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      <pubDate>2025-08-19 11:21:02 UTC</pubDate>
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         <title>소개</title>
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         <description><![CDATA[<p>이름: 성다은</p><p>학교: 포산중학교</p><p>좋아하는 것: 집에 있는 것, 커피(라떼)</p><p>특징: 공부 잘 못 함</p><p>꿈: 로또 1등, 중졸하고 주식으로 부자되기</p>]]></description>
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         <title>러더퍼드의 원자모형의 특징과 한계점</title>
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         <title>톰슨 모둠 포스터</title>
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         <author>m_s_yuga2411023</author>
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         <title>원자</title>
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         <title>무거운 물체와 가벼운 물체 무엇이 먼저 떨어질까?</title>
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         <pubDate>2025-08-25 00:13:06 UTC</pubDate>
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         <title>MBL 센서로 중력가속도 측정하기</title>
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         <title>뉴턴 제3법칙</title>
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         <title>뉴턴의 제2법칙</title>
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         <title>김세령</title>
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         <title>중력 가속도 측정</title>
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         <title>중력 가속도 측정</title>
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         <title>중력가속도 실험을 통해 알게 된 것</title>
         <author>phypjg1</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558555285</link>
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         <pubDate>2025-08-28 10:34:04 UTC</pubDate>
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         <pubDate>2025-08-28 10:35:40 UTC</pubDate>
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         <pubDate>2025-08-28 10:35:59 UTC</pubDate>
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         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558558385</link>
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         <pubDate>2025-08-28 10:36:18 UTC</pubDate>
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         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558558706</link>
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         <pubDate>2025-08-28 10:36:38 UTC</pubDate>
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         <pubDate>2025-08-28 10:37:00 UTC</pubDate>
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         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558559739</link>
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         <pubDate>2025-08-28 10:37:34 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558559817</link>
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         <pubDate>2025-08-28 10:37:39 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558559817</guid>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558560122</link>
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         <pubDate>2025-08-28 10:37:58 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558560122</guid>
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      <item>
         <title>가속도 측정</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558560432</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-08-28 10:38:15 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558560716</link>
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         <pubDate>2025-08-28 10:38:36 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558561659</link>
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         <pubDate>2025-08-28 10:39:22 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558561659</guid>
      </item>
      <item>
         <title>가속도 측정</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558564121</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-08-28 10:41:17 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558564121</guid>
      </item>
      <item>
         <title>오늘 중력가속도 실험에서 오차는 어디서 발생했을까?</title>
         <author>phypjg1</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558568412</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-08-28 10:45:31 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3558568412</guid>
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      <item>
         <title>물이 왜 얼면 부피가 커질까?</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3568698102</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-09-04 09:54:21 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3568698102</guid>
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      <item>
         <title>세령</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3568698292</link>
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         <pubDate>2025-09-04 09:54:33 UTC</pubDate>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3568698297</link>
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         <pubDate>2025-09-04 09:54:33 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3568698297</guid>
      </item>
      <item>
         <title>파동이란?  소리 기초 실험</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579478886</link>
         <description><![CDATA[<p>소리 수업 자료 1  미리 올려봅니당</p>]]></description>
         <enclosure url="https://www.vlabon.re.kr/play/6b99849af3acdc35d8d18cd19cc79c4a" />
         <pubDate>2025-09-11 04:31:54 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579478886</guid>
      </item>
      <item>
         <title>최진우</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579933939</link>
         <description><![CDATA[<p>파동은 한 지점에서 발생한 진동이 매질(물질)이나 공간을 통해 다른 곳으로 에너지를 전달하는 현상입니다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 09:01:18 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579933939</guid>
      </item>
      <item>
         <title>최진우</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579946547</link>
         <description><![CDATA[<p>2 파원은 파동이 처음 발생하여 만들어지는 지점을 의미하며, 매질은 파동을 전달하는 물질을 뜻합니다.</p><p>3.마루는 파동의 가장 높은 지점, 골은 가장 낮은 지점을 의미하며, 진폭은 진동의 중심에서 마루 또는 골까지의 거리를 나타냅니다.</p><p>4.파장은 파동이 퍼져나갈 때 한 번의 파동이 진행하는 공간적 거리, 진동수는 1초 동안 매질이 진동하는 횟수, 그리고 주기는 매질이 한 번 진동하는 데 걸리는 시간을 의미합니다. </p><p>5.횡파는 파동의 진행 방향과 매질의 진동 방향이 서로 수직인 파동이며, 종파는 이 두 방향이 서로 평행(나란)한 파동입니다.</p><p>6.파동의 속력은 v = 진동수x파장 = 파장/주기 공식으로 나타낼 수 있으며, 진동수(f)와 파장(λ), 그리고 주기(T)를 곱하거나 나누어 구할 수 있습니다.</p>]]></description>
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         <pubDate>2025-09-11 09:10:29 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579946547</guid>
      </item>
      <item>
         <title>성다은-파동 복습</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579948953</link>
         <description><![CDATA[<ol><li><p><strong>파동</strong>이란?</p><p>물질의 한 곳에서 생긴 진동이 주위로 전달되는 것</p></li><li><p><strong>파원</strong>:<strong> </strong>파동이 처음 발생한 지점<br>매질: 동을 전달하는 물질</p></li><li><p><strong>마루</strong>: 파동에서 가장 높은 곳</p><p><strong>골</strong>: 파동에서 가장 낮은 곳</p><p><strong>진폭</strong>: 진동의 중심에서 마루나 골까지의 거리</p></li><li><p><strong>파장</strong>: 이웃한 마루에서 마루 또는 골에서 골까지의 거리</p><p><strong>진동수</strong>: 파동이 진행할 때 매질이 1초 동안 진동하는 횟수 (단위: Hz)</p><p><strong>주기</strong>: 매질의 한 점이 한 번 진동하는 데 걸리는 시간 (단위: s)</p></li><li><p><strong>횡파</strong>: 매질의 진동 방향과 파동의 진행 방향이 수직인 파동</p><p><strong>종파</strong>: 매질의 진동 방향과 파동의 진행 방향이 나란한 파동</p></li><li><p><strong>파동의 속력</strong>: 이동 거리/시간=파장/주기</p><p>=진동수*파장</p></li></ol>]]></description>
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         <pubDate>2025-09-11 09:12:09 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579949942</link>
         <description><![CDATA[<ol><li><p>파동: 어떤 진동이 퍼져나가는 현상</p></li><li><p>파원: 파동이 시작되는 지점</p><p>매질: 어떤 파동을 한 곳에서 다른 곳으로 전달해 주는 매개체</p></li><li><p>마루: 파동에서 가장 높은 부분(좌표계에서는 주기함수의 최댓값)</p><p>골: 파동에서 가장 낮은 부분(좌표계에서는 주기함수의 최솟값)</p><p>진폭: 진동의 중심으로부터 극댓값이나 극솟값까지의 거리</p></li><li><p>파장: 마루에서 다음 마루 또는 골에서 다음 골까지의 거리</p><p>(주기함수의 주기)</p><p>진동수: 1초동안 진동을 하는 횟수(주기와 역수관계, 단위는 Hz)</p><p>주기: 1번 진동할 때 걸리는 시간(진동수와 역수관계)</p></li><li><p>횡파: 파동의 진행방향과 매질의 진동방향이 수직인 파동</p><p>종파: 파동의 진행방향과 매질의 진동방향이 나란한 파동</p></li><li><p>파동의 속력(v) = fλ</p><p>(단, 소리의 속력은 매질에 따라 바뀜)</p></li></ol>]]></description>
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         <pubDate>2025-09-11 09:13:01 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579950341</link>
         <description><![CDATA[<p>1) 한 곳에서 시작된 진동이 매질이나 공간을 통해 퍼져나가는 현상</p><p><br/></p><p>2) 파동을 내보내는 시작점(근본 원인), 진동을 전달하는 물질</p><p><br/></p><p>3) 파동에서 양의 방향으로 변위가 가장 큰 점, 음의 방향으로 변위가 가장 큰 점, 파동의 중심에서 마루나 골 까지의 거리</p><p><br/></p><p>4) 파동에서 같은 위치에 있는 점 사이의 거리, 파동이 진행할 때 매질이 1초 동안 진동하는 횟수, 매질의 한 점이 한번 진동하는데 걸리는 시간</p><p><br/></p><p>5) 파동의 진행방향과 매질의 진동 방향이 수직, 파동의 진행방향과 매질의 진동방향이 수평</p><p><br/></p><p>6) 파장<em>* 진동수 (1초 동안 파장의 길이 </em>* 진동수 만큼 이동한다.)</p><p><br/></p>]]></description>
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         <pubDate>2025-09-11 09:13:16 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579950341</guid>
      </item>
      <item>
         <title>파동 복습 </title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579950899</link>
         <description><![CDATA[<p>파동이란 한 점에서 일어난 물리적 변화가 둘레에 퍼져가는 현상이다.</p><p>파원은 파동이 가장 먼저 일어난 곳이고 매질은 파동을 다른 곳으로 옮겨주는 매개물이다.</p><p>마루는 파동에서 양의 방향으로 가장 큰 변화가 일어난 점, 골은 음의 방향으로 가장 큰 변화가 일어난 점,진폭은 평행 위치에서 최대 변위까지 이동하는 거리이다.</p><p>파장은 같은 위상의 서로 이웃한 점 사이의 거리이고, 진동수는 단위시간당 파동이 일어나는 횟수를 의미한다. 주기는 한번의 파동이 반복되는 데 걸리는 시간이다.</p><p>횡파와 종파는 각각 매질의 진동방향과 파동의 진행방향이 수직인 파동과 나란한 파동을 의미한다.</p><p>파동의 속력은 파동이 매질이나 공간을 따라 이동하는 속도를 의미한다.</p>]]></description>
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         <pubDate>2025-09-11 09:13:35 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579950899</guid>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579953543</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-09-11 09:15:39 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579953543</guid>
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         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579955105</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4219554270/c1d5a1e4995014a13ced95f123685609/20250911_181521.jpg" />
         <pubDate>2025-09-11 09:16:43 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579955105</guid>
      </item>
      <item>
         <title>파동</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579957555</link>
         <description><![CDATA[<p>1. <strong><mark>파동</mark></strong>은 <strong><mark>한 곳에서 생긴 물질의 흔들림이 다른 곳으로 전파되는 현상</mark></strong>이다.</p><p><br/></p><p>2. <strong><mark>파원</mark></strong>은 <strong><mark>파동이 처음 생긴 곳</mark></strong>이며, <strong><mark>매질</mark></strong>은 <strong><mark>파동을 전달하는 물질</mark></strong>이다. <strong><mark>매질은 제자리에서 진동만 한다</mark></strong>는 특징이 있다.</p><p><br/></p><p>3. <strong><mark>마루</mark></strong>는 <strong><mark>파동에서의 위로 볼록한 꼭대기 점</mark></strong>을(마치 사인함수의 극대처럼), <strong><mark>골은 파동에서의 아래로 오목한 골짜기 점</mark></strong>을(마치 사인함수의 극소처럼) 의미하며, <strong><mark>진폭</mark></strong>은 <strong><mark>마루와 골 사이의 중앙점에서 마루 또는 골까지의 거리</mark></strong>를 의미한다(즉, 진폭은 마루에서 골까지의 거리의 1/2배이다).</p><p><br/></p><p>4. <strong><mark>파장</mark></strong>은 <strong><mark>파의 길이</mark></strong>를 의미하며, <strong><mark>한 마루에서부터 그 다음 마루까지의 거리 또는 한 골에서부터 그 다음 골까지의 거리</mark></strong>를 뜻한다. 비슷하게, 주기는 매질의 각 점이 1회 왕복하는데 걸리는 시간이며, 이는 마치 수학에서의 사인함수의 주기와 흡사하다. 진동수는 1초 동안 진동하는 횟수를 의미한다.</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 09:18:49 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579957555</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579964887</link>
         <description><![CDATA[<p>파동:매질에 의해 진동이 전달되는 현상<br> 파원:파동이 시작되는 곳<br> 매질:파동이 퍼지는데 필요한 물질<br> 마루:횡파에서 가장 높게 올라간 부분<br> 골:횡파의 진동이 가장 아래로 내려간 부분<br> 진폭:흔들리지 않았을때의 기준선에서 마루나 골까지의 거리</p><p> 파장:파동이 한번 진동하는 길이<br> 주기:파동이 한번 진동하는데 걸리는 시간<br> 횡파:진행 방향과 매질의 진동 방향이 서로 수직인 파동</p><p>종파:파동의 진행 방향과 매질의 진동방향이 같은 파동<br> 파동의 속력:파동이 이동하는 빠르기 </p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 09:24:34 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579964887</guid>
      </item>
      <item>
         <title>파동</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579967087</link>
         <description><![CDATA[<p><br/></p><p>점</p><p>점에</p><p>점에서</p><p>점에서퍼</p><p>점에서퍼져</p><p>점에서퍼져나</p><p>점에서퍼져나간</p><p>점에서퍼져나간다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 09:26:32 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3579967087</guid>
      </item>
      <item>
         <title>와인잔</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580005142</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4351839346/6aa210ae32649648761f8e631d84264c/______2025_09_11_185652.png" />
         <pubDate>2025-09-11 09:57:25 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580005142</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580006345</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352151854/a2a79f319099eb62526888cabd5db0f0/Screenshot_20250911_185643_KakaoTalk.jpg" />
         <pubDate>2025-09-11 09:58:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580006345</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580010627</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4351851102/af39c697240b650c442e9b5d80e525f6/IMG_4392.jpeg" />
         <pubDate>2025-09-11 10:01:41 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580010627</guid>
      </item>
      <item>
         <title>소리 실험 결과 올리기(파형분석)</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580038163</link>
         <description><![CDATA[<p>싱이볼, 와인잔, 소리굽쇠의 파형캡쳐를 올리세요.</p><p>(각팀의 팀장 한명이 올려도 됩니다.)</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 10:28:51 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580038163</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580039359</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352285068/9766a7d97dc77d32c7c1dfb1fdc9daaf/20250911_192730.mp4" />
         <pubDate>2025-09-11 10:30:05 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580039359</guid>
      </item>
      <item>
         <title>와인잔에서 소리내는 원리는?</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580039447</link>
         <description><![CDATA[<p>손가락으로 와인잔 소리를 내는 원리를 적어봅시다. 채로 두드릴때 소리와 어떻게 다를까요?</p><p>물을 넣은 잔과 넣지 않은 잔은 어떻게 다른가요?</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 10:30:12 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580039447</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041259</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352298254/3bb2e72f8e8e22c1d9acfb7ffeb7836b/20250911_193053.jpg" />
         <pubDate>2025-09-11 10:31:34 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041259</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041722</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352298254/52900b4ec6e2265c518e365f34f60332/20250911_193050.jpg" />
         <pubDate>2025-09-11 10:31:49 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041722</guid>
      </item>
      <item>
         <title>소리를 눈으로 확인하기</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041861</link>
         <description><![CDATA[<p>스스로 낸 소리로 만든 레이져 패턴을 사진으로 찍어서 올리고 어떤 소리를 냈을때 그렇게 되었는지 확인합니다.</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 10:31:53 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041861</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041988</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4219554270/4801b75ffb57a9ece08090299af95bd3/20250911_192907.mp4" />
         <pubDate>2025-09-11 10:32:00 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580041988</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580044391</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352308646/4fb40f4c0d20e854b11f8c76295a804b/20250911_193246.jpg" />
         <pubDate>2025-09-11 10:34:06 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580044391</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580046151</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352315210/eb68f5c3a6ba44adacf0b6490a69eb3e/20250911_193433.mp4" />
         <pubDate>2025-09-11 10:36:05 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580046151</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580048609</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352326515/89111f53432d1d8bcd37a91a542d3f21/IMG_3365.jpeg" />
         <pubDate>2025-09-11 10:38:33 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580048609</guid>
      </item>
      <item>
         <title>소리굽쇠</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580050193</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352312451/7db4d394d5a5f25607ea0dffaaf3395b/______2025_09_11_193852.png" />
         <pubDate>2025-09-11 10:40:02 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580050193</guid>
      </item>
      <item>
         <title>싱잉볼</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580050595</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352312451/cc0f31a0835643ed91e2661f513003ef/______2025_09_11_193902.png" />
         <pubDate>2025-09-11 10:40:23 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580050595</guid>
      </item>
      <item>
         <title>레이저 포인터</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580073216</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/2885807551/0476be9d9d17f939d9c77318d131d988/20250911_193841.mp4" />
         <pubDate>2025-09-11 11:02:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580073216</guid>
      </item>
      <item>
         <title>CDEF</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580077421</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352312451/eb64dc67ff3265fb394dac07032c118a/______2025_09_11_200429.png" />
         <pubDate>2025-09-11 11:06:31 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580077421</guid>
      </item>
      <item>
         <title>GABC</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580077511</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352312451/8594797c08236f975115f006a9b76ec4/______2025_09_11_200424.png" />
         <pubDate>2025-09-11 11:06:35 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580077511</guid>
      </item>
      <item>
         <title>와인잔에서 소리내는 원리</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580078868</link>
         <description><![CDATA[<p>물을 넣은 잔의 소리가 넣지 않은 잔의 소리보다 높이가 낮다.</p><p><br/></p>]]></description>
         <enclosure url="" />
         <pubDate>2025-09-11 11:07:48 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580078868</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580079881</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352444048/409f59f653d88cfca75fa628392feff8/20250911_200729.jpg" />
         <pubDate>2025-09-11 11:08:52 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580079881</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580081842</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352312451/20f7d975c59f5e9256453afb9f2a3f1f/1000014833.jpg" />
         <pubDate>2025-09-11 11:10:30 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580081842</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580082065</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-09-11 11:10:47 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580082065</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580083234</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352450308/60f555f52917528d181175fea9d97085/20250911_200858.jpg" />
         <pubDate>2025-09-11 11:11:44 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580083234</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580084887</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352450308/299da848dc8a4888f34cb164074589a4/20250911_200841.jpg" />
         <pubDate>2025-09-11 11:12:44 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580084887</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580085240</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352450308/da5ebcd89dc3467174ddb94fc8838d65/20250911_200826.jpg" />
         <pubDate>2025-09-11 11:13:08 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580085240</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580085528</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4352450308/1d137458469d2a32a62e143cb6da4684/20250911_200756.jpg" />
         <pubDate>2025-09-11 11:13:25 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580085528</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580089574</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4219554270/a233d80e99e7ad35de8dfa14ac92fcdf/20250911_201641.jpg" />
         <pubDate>2025-09-11 11:17:54 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3580089574</guid>
      </item>
      <item>
         <title>시험</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3623028509</link>
         <description><![CDATA[<p>시험 기간이 온다</p><p>심장이 떨린다</p><p><br></p><p>시험을 친다</p><p>심장이 더 떨린다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-08 05:27:18 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3623028509</guid>
      </item>
      <item>
         <title>빛</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3628308030</link>
         <description><![CDATA[<p>뉴턴이 그랬다</p><p>빛은 입자라고</p><p>빛은 질량을 가진 빛이라고</p><p><br/></p><p>그러나 토머스 영의 이중틈새 간섭실험으로</p><p>빛은 파동이 된다</p><p>입자처럼 질량을 가지지 않고</p><p>입자의 흐름이며 상쇄와 상보를 함께한다</p><p>마루와 마루, 골과 골이 만나면 상보적 파동이 되어 밝아지고</p><p>마루와 골, 골과 마루가 만나면 상쇄적 파동이 되어 어둠으로 남는다</p><p><br/></p><p>정리된 이론은 빛은 모두를 가진다</p><p>입자성과 파동성 모두를</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-12 14:43:27 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3628308030</guid>
      </item>
      <item>
         <title>2002</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3633897054</link>
         <description><![CDATA[<p>한 파원에서 파동이 퍼져나갔다.</p><p>그 파동의 마루는</p><p>마치 우리의 염원을 담은 듯이</p><p>하늘과 뚫을 만큼 거셌으며</p><p>파동의 파장은</p><p>우리가 열심히 노력했던 것처럼</p><p>느리지만 확실하게 퍼져나갔다.</p><p>그리고 그 파동에끝엔 </p><p>우리의 희망이 담겨져있었다.</p><p><br/></p><p>"꿈☆은 이루어진다."</p><p><br/></p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-15 14:33:21 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3633897054</guid>
      </item>
      <item>
         <title>.</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3634541589</link>
         <description><![CDATA[<p>파원에서 파동이 퍼지기 시작했다</p><p>멀리, 저 멀리까지</p><p>너와 닮았다</p><p>저 멀리까지 영향을 주는 게 닮았다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-15 23:08:03 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3634541589</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635461876</link>
         <description><![CDATA[<p>전자는 원자 주위를</p><p>빙글빙글 돈다</p><p><br/></p><p>나의 하루도</p><p>전자처럼 돌아간다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-16 08:18:11 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635461876</guid>
      </item>
      <item>
         <title>전자</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635470485</link>
         <description><![CDATA[<p>전자는 뭐가 그리 바쁜지 계속 움직인다</p><p>멈춘다는 선택지는 없다</p><p>우리의 인생 같다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-16 08:25:15 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635470485</guid>
      </item>
      <item>
         <title>빛의 종류와 특징 각 팀별 완성작품을 사진으로 찍어서 올려주세요</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635506501</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2025-10-16 08:54:53 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635506501</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635568220</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570782513/c7970ba1aa2b29307745d69007570c1a/20251016_183943.jpg" />
         <pubDate>2025-10-16 09:40:46 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635568220</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635588033</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570858699/776cf10d78a1cb15ac50ca20598ab711/20251016_183959.jpg" />
         <pubDate>2025-10-16 09:56:54 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635588033</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635588174</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570859962/be8cb19f3c1374d605a70a2b936cd148/20251016_184009.jpg" />
         <pubDate>2025-10-16 09:57:01 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635588174</guid>
      </item>
      <item>
         <title>세령</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635597712</link>
         <description><![CDATA[<p>빨간색 판은 붉은빛을, 흰색 판은 모든 색 빛을, 파란색 판은 파란색 빛 만을 반사하기 때문에 붉은색과 흰색 판에 비해 검정색 판과 파란색 판이 붉은색 레이저를 덜 반사한다</p>]]></description>
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         <pubDate>2025-10-16 10:05:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635597712</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635598362</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570904126/d3a551f7cfe54741fad169bea4c88ace/20251016_190330.jpg" />
         <pubDate>2025-10-16 10:06:10 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635598362</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635598790</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570904126/5e13329c815cdc08c8ac74f10c3767a5/20251016_190204.jpg" />
         <pubDate>2025-10-16 10:06:35 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635598790</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635599272</link>
         <description><![CDATA[<p>양쪽 레이저 끝의 길이가 같다</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570902650/38c2a78b95649ceee559a0e39cabb019/1760609165385171250462422598128.jpg" />
         <pubDate>2025-10-16 10:07:03 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635599272</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635599452</link>
         <description><![CDATA[<p>빛이 지나가는 매질의 종류는 색과 무관하기 때문에 파장과 진동수는 일정하기 때문에 길이가 같다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570904784/8376e8d8d86ebda09095dc700de9efb3/20251016_190551.jpg" />
         <pubDate>2025-10-16 10:07:12 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635599452</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635603847</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570885868/fe428074edce48923a5cb543e8db1335/20251016_190336.jpg" />
         <pubDate>2025-10-16 10:11:29 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635603847</guid>
      </item>
      <item>
         <title>난반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635604760</link>
         <description><![CDATA[<p>난반사는 표면이 거칠기 때문에 각 빛의 입사각과 반사각의 크기가 달라진다. 즉, 빛이 여러 방향으로 분산되기 때문에 반사가 한 방향으로 보이지 않는다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570904784/f2f3ca7815426657816448a2d3ddac5e/20251016_190946.jpg" />
         <pubDate>2025-10-16 10:12:10 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635604760</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635604930</link>
         <description><![CDATA[<p>어두운 곳에서 빛이 잘 안보이는걸 보면 어두운 색에서 빛이 흡수 되는것 같다</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570897752/89297df8342e73a7a0b96d3aea8cbbd6/20251016_190319.jpg" />
         <pubDate>2025-10-16 10:12:22 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635604930</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635605100</link>
         <description><![CDATA[<p>정반사는 반사면이 매끄러워 깔끔히 반사되지만 난반사는 반사면이 울퉁불퉁해 빛이 퍼진다</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570902650/ed290c070c563a031190e7888548d54a/IMG_20251016_191057454.jpg" />
         <pubDate>2025-10-16 10:12:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635605100</guid>
      </item>
      <item>
         <title>정반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635606406</link>
         <description><![CDATA[<p>어느 표면에 빛을 쏘더라도 입사각과 반사각이 항상 같은 빛의 반사이다. 즉, 빛이 한 방향으로 반사되기 때문에 빛이 반사되어 잘 보인다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570904784/9fa6f5711a60c9f56bb902b10f6723b7/20251016_191035.jpg" />
         <pubDate>2025-10-16 10:13:40 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635606406</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635608852</link>
         <description><![CDATA[<p>차이가 없어 보인다</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570903718/8bfb7995bde43d66af7fbe7e0995f10a/20251016_190135.jpg" />
         <pubDate>2025-10-16 10:15:22 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635608852</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635609352</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570949338/08c3fed40ec212dfce17ab5b9d16bd81/20251016_191438.jpg" />
         <pubDate>2025-10-16 10:15:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635609352</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635610942</link>
         <description><![CDATA[<p>정반사는 레이저가 그대로 반사되지만</p><p>난반사는 주변에 모든곳으로 빛을 보낸다</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570897752/5220fb38db48ad0a91cbe6c67c8051d2/20251016_191519.jpg" />
         <pubDate>2025-10-16 10:16:51 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635610942</guid>
      </item>
      <item>
         <title>세령세령</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611095</link>
         <description><![CDATA[<p>난반사는 울퉁불퉁한 표면에 빛이 굴절되어 모든 방향으로 퍼져 주변이 붉고 정반사는 반사만 되어 입사각과 반사각이 명확이 보인다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570890686/c16b3a18b61c53965c724f3e3fdb007f/IMG_3485.jpeg" />
         <pubDate>2025-10-16 10:16:58 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611095</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611195</link>
         <description><![CDATA[<p>정반사는 면이 평평해 면 어디에 비추어도 입사각과 반사각이 같아 발생한다.</p><p>난반사는 면이 울퉁불퉁해 면 위치마다의 입사각이 달라 발생한다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570885868/5e8abadbb09dfa39a92012e7d98a7b4b/20251016_191209.jpg" />
         <pubDate>2025-10-16 10:17:03 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611195</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611231</link>
         <description><![CDATA[<p>정반사는 빛이 온 그대로 반사된다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570947235/a22ade084221b21062a63d32983b2a42/20251016_191033.jpg" />
         <pubDate>2025-10-16 10:17:05 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611231</guid>
      </item>
      <item>
         <title>정반사와 난반사</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611362</link>
         <description><![CDATA[<p>레이저 포인터가 매질에 부딪혀 반사가 될 때, 입사각과 반사각이 같으면 정반사, 입사각과 반사각이 같지 아니하면 난반사이다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/2885807551/41840d7209600ccee7a943b6edea370f/20251016_191538.jpg" />
         <pubDate>2025-10-16 10:17:13 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611362</guid>
      </item>
      <item>
         <title>정반사와 난반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611413</link>
         <description><![CDATA[<p>정반사는 입사각과 반사각의 크기가 같고</p><p>난반사는 입사각과 반사각의 크기가 다르다</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570903718/e0e250bb4cc96c671e634fced5d40f07/20251016_191205.jpg" />
         <pubDate>2025-10-16 10:17:17 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635611413</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635612509</link>
         <description><![CDATA[<p>난반사는 빛이 사방으로 퍼진다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570947235/882042928018cbc3ed23188697420692/20251016_190945.jpg" />
         <pubDate>2025-10-16 10:18:23 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635612509</guid>
      </item>
      <item>
         <title>볼록 거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635620641</link>
         <description><![CDATA[<p>가운데 지점의 빛은 법선과 같은 입사광선이므로 그대로 반사광선이 같은 방향으로 나간다. 그리고 가장자리 지점이 가운데 부분보다 가늘어서 가장자리 지점에서의 빛은 바깥 방향으로 반사된다. 고로, 빛은 퍼지게 된다.</p>]]></description>
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         <pubDate>2025-10-16 10:26:03 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635620641</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635620744</link>
         <description><![CDATA[<p>[정반사]</p><p>거울처럼 매끈한 면을 경계로 일어나는 반사</p><p>/물체의 모습이 비춰짐(평면 거울)</p><p>[난반사]</p><p>고르지 않은 표면에서 빛이 여러 방향으로 반사</p><p>/물체가 모든 방향에서 보임(영화관 화면)</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-16 10:26:08 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635620744</guid>
      </item>
      <item>
         <title>오목 거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635632022</link>
         <description><![CDATA[<p>가운데 지점은 법선과 같은 입사광선이므로 반사광선도 같다. 볼록 거울과는 다르게 오목 거울은 가장자리 지점이 가운데 부분이 두꺼워서 반사할 때 하나의 초점에서 만나게 된다.</p>]]></description>
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         <pubDate>2025-10-16 10:36:42 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635632022</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635643082</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 10:46:20 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635643082</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635643497</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570885868/5c0f68c67ce412389e5e5bc3abbf8df9/20251016_194555.jpg" />
         <pubDate>2025-10-16 10:46:43 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635643497</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635644443</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570885868/f1e345efccd75aa6ad6fb8c7c73193a9/20251016_194519.jpg" />
         <pubDate>2025-10-16 10:47:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635644443</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635644715</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570885868/230cacf4a5e465ce9f5c13da530f3b30/20251016_194506.jpg" />
         <pubDate>2025-10-16 10:47:42 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635644715</guid>
      </item>
      <item>
         <title>볼록 렌즈</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635646348</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 10:49:04 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635646348</guid>
      </item>
      <item>
         <title>오목 렌즈</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635646696</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 10:49:22 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635646696</guid>
      </item>
      <item>
         <title>오목렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635655535</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571143957/b6b404991e58917601555daa2e1777a5/20251016_194952.jpg" />
         <pubDate>2025-10-16 10:56:29 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635655535</guid>
      </item>
      <item>
         <title>오목 거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635656366</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571143957/a194eb4db8da188a59737b94651c50dc/20251016_195009.jpg" />
         <pubDate>2025-10-16 10:57:11 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635656366</guid>
      </item>
      <item>
         <title>볼록 렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635656820</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571143957/2649ec806f00599e41c3c98a0560d2a2/20251016_195019.jpg" />
         <pubDate>2025-10-16 10:57:38 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635656820</guid>
      </item>
      <item>
         <title>임계각보다 작을 때</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635657152</link>
         <description><![CDATA[<p>빛이 <strong><mark>굴절</mark></strong>이 됨을 알 수 있다.</p>]]></description>
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         <pubDate>2025-10-16 10:57:48 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635657152</guid>
      </item>
      <item>
         <title>임계각일 때</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635658292</link>
         <description><![CDATA[<p>빛이 <strong><mark>더 이상 굴절되지 아니하</mark></strong>고, 또한 그 때 <strong><mark>빛의 입사각</mark></strong>이 <strong><mark>약 42(deg)</mark></strong>이므로, <strong><mark>임계각</mark></strong>이 <strong><mark>약 42(deg)</mark></strong>임을 측정할 수 있다.</p>]]></description>
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         <pubDate>2025-10-16 10:58:36 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635658292</guid>
      </item>
      <item>
         <title>볼록거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635658680</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571143957/f1ae40dc5c896f4c3c0e0062bc5a9974/20251016_195029.jpg" />
         <pubDate>2025-10-16 10:58:52 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635658680</guid>
      </item>
      <item>
         <title>임계각보다 클 때</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635659914</link>
         <description><![CDATA[<p>빛이 <strong><mark>굴절되지 아니하</mark></strong>고, <strong><mark>전반사</mark></strong> 됨을 알 수 있다.</p>]]></description>
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         <pubDate>2025-10-16 10:59:57 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635659914</guid>
      </item>
      <item>
         <title>볼록 렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635664775</link>
         <description><![CDATA[<p>볼록 렌즈는 가운데 부분이 가장 자리 부분보다 두껍기 때문에 빛은 가장 자리에서 가운데 부분으로 굴절 하기 때문에 하나의 초점에서 만난다.</p>]]></description>
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         <pubDate>2025-10-16 11:04:33 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635664775</guid>
      </item>
      <item>
         <title>오목 렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635665274</link>
         <description><![CDATA[<p>오목 렌즈는 가운데 부분이 가장 자리 부분보다 두껍기 때문에 가장 자리 부분이 바깥 방향으로 반사되기 때문에 빛이 사방으로 퍼진다. 이때 굴절된 빛을 직선으로 그으면 하나의 점에서 만나는데 이를 허초점이라고 한다.</p>]]></description>
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         <pubDate>2025-10-16 11:04:51 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635665274</guid>
      </item>
      <item>
         <title>굴절각 &lt; 90°</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635665861</link>
         <description><![CDATA[<p>일부의 빛의 일부 표면에서 반사되고 대부분은 굴절해 나간다. 이때 속도는 물체가 공기보다 빠르기 때문에 굴절각은 입사각보다 커진다. 그래서 아래로 꺾인다.</p>]]></description>
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         <pubDate>2025-10-16 11:05:27 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635665861</guid>
      </item>
      <item>
         <title>굴절각 = 90° (임계각 &gt; 굴절각)</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635666449</link>
         <description><![CDATA[<p>임계각은 굴절각이 90°일 때의 입사각의 크기이다. 이때 굴절각이 90°가 되면, 굴절광선은 서로 다른 매질의 경계와 일치하게 되어 완전히 반사를 한다. 이를 전반사라고 한다.</p>]]></description>
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         <pubDate>2025-10-16 11:06:01 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635666449</guid>
      </item>
      <item>
         <title>전반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667007</link>
         <description><![CDATA[<p>전반사란, 굴절각이 90°이어서 서로 다른 매질의 경계에서 완전히 반사하게 되는 현상이다. 만약 전반사가 일어나지 않을 때는, 굴절광선은 전반사로 인한 반사광선보다 적은 빛에너지를 가진다. 왜냐하면 전반사로 인한 반사광선은 굴절을 하지 않기 때문에 입사광선의 빛에너지와 같다.</p>]]></description>
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         <pubDate>2025-10-16 11:06:20 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667007</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667123</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:06:26 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667123</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667332</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:06:37 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667332</guid>
      </item>
      <item>
         <title>볼록 거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667408</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570902650/ef60779eb699a29e73ccc5b4f0ce9ddf/IMG_20251016_192110315.jpg" />
         <pubDate>2025-10-16 11:06:40 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667408</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667542</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570885868/f4254589e01e8759f5e8651627002bc4/20251016_200528.jpg" />
         <pubDate>2025-10-16 11:06:49 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667542</guid>
      </item>
      <item>
         <title>1</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667771</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571196551/772eca6e0780d2e32f776288ac3c611a/20251016_200512.jpg" />
         <pubDate>2025-10-16 11:07:03 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667771</guid>
      </item>
      <item>
         <title>오목 거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667775</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570902650/3afba525702659b4ccd1534469009519/IMG_20251016_192125094.jpg" />
         <pubDate>2025-10-16 11:07:04 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667775</guid>
      </item>
      <item>
         <title>전반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667904</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4570947235/18c6fc048a516ea6f713d8c5c2655a4b/20251016_200037.jpg" />
         <pubDate>2025-10-16 11:07:12 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635667904</guid>
      </item>
      <item>
         <title>볼록 렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668091</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:07:23 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668091</guid>
      </item>
      <item>
         <title>2</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668269</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571196551/7564c2364786132e7c2d5c11a8c5fc7d/20251016_200552.jpg" />
         <pubDate>2025-10-16 11:07:32 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668269</guid>
      </item>
      <item>
         <title>오목 렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668349</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:07:38 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668349</guid>
      </item>
      <item>
         <title>3</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668777</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571196551/c455f4960d13d3004b4e35a1aeaac195/20251016_200602.jpg" />
         <pubDate>2025-10-16 11:08:05 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635668777</guid>
      </item>
      <item>
         <title>임계각과 전반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635669054</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:08:23 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635669054</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635670602</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:09:58 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635670602</guid>
      </item>
      <item>
         <title>공기 - 물: 입사각 &gt; 굴절각</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635671917</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:11:10 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635671917</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672408</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:11:35 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672408</guid>
      </item>
      <item>
         <title>공기 - 물: 임계각 &gt; 굴절각</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672499</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:11:40 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672499</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672698</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:11:44 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672698</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672749</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:11:46 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672749</guid>
      </item>
      <item>
         <title>임계각보다 작을 때(물)</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672819</link>
         <description><![CDATA[<p><strong><mark>물이 없을 때와 마찬가지</mark></strong>로 빛이 <strong><mark>굴절</mark></strong>됨을 알 수 있다.</p>]]></description>
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         <pubDate>2025-10-16 11:11:50 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672819</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672935</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:11:56 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635672935</guid>
      </item>
      <item>
         <title>물 1</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635673992</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571226236/44ddf7f542771a120287458f1529574a/20251016_201022.jpg" />
         <pubDate>2025-10-16 11:12:48 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635673992</guid>
      </item>
      <item>
         <title>물 2</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635674399</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571226236/f115a54f8575296851dd8e8391a3815c/20251016_201039.jpg" />
         <pubDate>2025-10-16 11:13:13 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635674399</guid>
      </item>
      <item>
         <title>물 3</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635674936</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571226236/08b2f350a57fbaeb4260d10a8541662d/20251016_201058.jpg" />
         <pubDate>2025-10-16 11:13:36 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635674936</guid>
      </item>
      <item>
         <title>임계각일 때(물)</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635675050</link>
         <description><![CDATA[<p><strong><mark>물이 없을 때와 마찬가지</mark></strong>로, 더 이상 빛이 <strong><mark>굴절되지 아니한</mark></strong>다. 이 때의 임계각은 <strong><mark>물이 없을 때와 다르게</mark></strong> <strong><mark>약 52(deg)</mark></strong>임을 알 수 있다.</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/2885807551/283b527d1443565d8b9d20720a6496d0/20251016_201035.jpg" />
         <pubDate>2025-10-16 11:13:42 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635675050</guid>
      </item>
      <item>
         <title>임계각보다 클 때(물)</title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635676023</link>
         <description><![CDATA[<p><strong><mark>물이 없을 때와 마찬가지</mark></strong>로, 빛이 <strong><mark>굴절되지 아니하</mark></strong>고 <strong><mark>전반사</mark></strong> 됨을 알 수 있다.</p>]]></description>
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         <pubDate>2025-10-16 11:14:36 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635676023</guid>
      </item>
      <item>
         <title>오목거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635684718</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571270996/ced0a3c3808b41cc5aa3633dd067a956/IMG_3488.jpeg" />
         <pubDate>2025-10-16 11:21:53 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635684718</guid>
      </item>
      <item>
         <title>볼록거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635685208</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571270996/223d418044c4da88ae71f48a40cd4650/IMG_3489.jpeg" />
         <pubDate>2025-10-16 11:22:18 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635685208</guid>
      </item>
      <item>
         <title>볼록랜즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635685592</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-16 11:22:33 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635685592</guid>
      </item>
      <item>
         <title>오목랜즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635686243</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4571270996/49ed905546ef74aba660f9776a2930ee/IMG_3490.jpeg" />
         <pubDate>2025-10-16 11:22:59 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635686243</guid>
      </item>
      <item>
         <title>전반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635849346</link>
         <description><![CDATA[<p>입사각이 커져 굴절된 레이저 빛이 서로 다른 두 매질의 경계에서 모두 반사되었다 (임계각 이상의 각도). 반사된 빛이 경계면 안쪽에서 나타나고 바깥쪽으로 통과되는 빛은 없다.</p>]]></description>
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         <pubDate>2025-10-16 13:15:20 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635849346</guid>
      </item>
      <item>
         <title>정반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635852780</link>
         <description><![CDATA[<p>물을 통과하여 들어가는 빛이 공기와의 경계면에서 매질에 따른 속도차에 의해 굴절되었다. (반사되어 나온 빛도 일부 있다.) 굴절되어 나온 레이저 빛은 선명하다.</p>]]></description>
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         <pubDate>2025-10-16 13:17:24 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3635852780</guid>
      </item>
      <item>
         <title>볼록거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646088665</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-22 22:35:12 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646088665</guid>
      </item>
      <item>
         <title>오목거울</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646088797</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-22 22:35:29 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646088797</guid>
      </item>
      <item>
         <title>볼록렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646088917</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-22 22:35:43 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646088917</guid>
      </item>
      <item>
         <title>오목렌즈</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089005</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4608273511/01153a66c80f7c3e985ce88033ec7cc4/____.jpg" />
         <pubDate>2025-10-22 22:35:54 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089005</guid>
      </item>
      <item>
         <title>굴절 광선</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089352</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4608273511/d85460e5108fa9a4a40424e049bda036/__.jpg" />
         <pubDate>2025-10-22 22:36:22 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089352</guid>
      </item>
      <item>
         <title>임계각</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089442</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4608273511/092566d040754b2636e673b8d6a05ddf/___.jpg" />
         <pubDate>2025-10-22 22:36:32 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089442</guid>
      </item>
      <item>
         <title>전반사</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089737</link>
         <description><![CDATA[<p>빛이 굴절률이 큰 매질에서 작은 매질로 진행할 때, 입사각이 임계각보다 크면 굴절하지 않고 전부 반사하는 현상</p>]]></description>
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         <pubDate>2025-10-22 22:37:02 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3646089737</guid>
      </item>
      <item>
         <title>펄스파의 합성</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647082363</link>
         <description><![CDATA[<p>합성된 파동의 사진 혹은 영상을 올려주세요</p><p><br/></p>]]></description>
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         <pubDate>2025-10-23 08:48:50 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647082363</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647089985</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611143800/e0be807cea805e48c495503dec797048/20251023_175037.mp4" />
         <pubDate>2025-10-23 08:54:28 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647089985</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647090811</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 08:55:07 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647090811</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647096437</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 08:59:33 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647096437</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647120997</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611107187/4097c13e03a2a762ae440e57e9ed41eb/20251023_181550.jpg" />
         <pubDate>2025-10-23 09:17:44 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647120997</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647121071</link>
         <description><![CDATA[<p>우리 눈으로 봤을때는 파동이 멈추는것 처럼 보이지만 동영상으로 봤을때는 움직이는것 처럼 보이는걸 보면 우리눈의 프래임 속도와 파동의 진동 속도가 딱 맞아서 그렇게 보이는것 같다</p>]]></description>
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         <pubDate>2025-10-23 09:17:49 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647121071</guid>
      </item>
      <item>
         <title>1</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647124202</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:20:04 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647124202</guid>
      </item>
      <item>
         <title>2</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647124793</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:20:37 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647124793</guid>
      </item>
      <item>
         <title>3</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647125407</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:21:02 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647125407</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647126177</link>
         <description><![CDATA[<p>어두운 곳이 골, 밝은 곳이 마루</p><p>(수정) 어두운 곳이 마루, 밝은 곳이 골</p><p><br/></p><p>파원에서 시작한 진동이 퍼져나가 플라스틱 벽에 부딪혀 다시 돌아오고 돌아오는 파동과 나가는 파동의 속도가 어찌저찌 잘 맞으면 서로 상쇄되고 보강되며 정지한 것 처럼 보인다…?</p>]]></description>
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         <pubDate>2025-10-23 09:21:45 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647126177</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647128633</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611107187/08d43de9756591573264ae343d8a3169/20251023_181928.mp4" />
         <pubDate>2025-10-23 09:23:27 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647128633</guid>
      </item>
      <item>
         <title>파동이 정지하는 이유</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647132714</link>
         <description><![CDATA[<p>파동의 속력의 변화량의 크기가 시간의 변화량에 따라 갑자기 커질 때, 즉 가속도의 크기가 변화함에 따라 가속도가 0이 되면 파동은 정지하게 되고 가속도의 방향이 음수이면 반대로 가게 될 것이거다.</p><p>그리고 빛은 마루에서 어두워졌고, 골에서는 빛의 색이 밝아졌다. 즉, 마루에서는 파동이 오목 렌즈 역할을 하여 빛이 분산되며 어두워지고, 골에서는 파동이 볼록 렌즈 역할을 하여 빛이 초점으로 모여서 밝아진다.</p>]]></description>
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         <pubDate>2025-10-23 09:26:36 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647132714</guid>
      </item>
      <item>
         <title>점파원 1개</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647133032</link>
         <description><![CDATA[<p>밝은 곳이 골일 것이다. 밝다는 것은 빛이 눈에 많이 들어오는 것이다. 빛이 나오는 곳에서 골은 볼록렌즈일 것이다. 그러면 초점에 모이게 되어 밝아 보이는 것 같다.</p>]]></description>
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         <pubDate>2025-10-23 09:26:52 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647133032</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647133129</link>
         <description><![CDATA[<p>어두운 쪽=골, 밝은 쪽=마루일 것 같다</p><p>진동수가 매우 커서 우리 눈에는 멈춰있는 것처럼 보이는 것 같다</p>]]></description>
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         <pubDate>2025-10-23 09:26:57 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647133129</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647138615</link>
         <description><![CDATA[<p>어두운곳은 마루 밝은 곳은 골이다.</p><p>마루는 빛 기준 오목렌즈가 되어 빛이 수면에서부터 산란하는 반면 골은 빛 기준 볼록렌즈가 되어 초점부터 산란한다. 수면과 초점의 거리차이로 인한 확산의 차이때문에 빛의 모여있는 정도가 차이가 나서 밝은 곳과 어두운곳이 생긴다.</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-23 09:30:59 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647138615</guid>
      </item>
      <item>
         <title></title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647139478</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:31:38 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647139478</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647140322</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:32:17 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647140322</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647153859</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:44:04 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647153859</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647155033</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:45:12 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647155033</guid>
      </item>
      <item>
         <title>파동의 간섭</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647155643</link>
         <description><![CDATA[<p>파동은 어두운 곳(마루) 또는 밝은 곳(골)과 어두운 곳(마루) 또는 밝은 곳(골)가(복호동순) 만나면 진폭이 더 커지고(보강 간섭), 이게 아닌 그 외의 경우는 진폭이 0이 된다.(상쇄 간섭) 그래서 보강 간섭과 상쇄 간섭이 반복되는 무늬가 나타나게 된다.</p>]]></description>
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         <pubDate>2025-10-23 09:45:49 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647155643</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647156555</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:46:42 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647156555</guid>
      </item>
      <item>
         <title>점파원 2개</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647157310</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:47:21 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647157310</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647161594</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:50:50 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647161594</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647161797</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:51:02 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647161797</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647162163</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:51:25 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647162163</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647163075</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611390327/f523de5d098531cf92a33bad45ede182/20251023_184848.jpg" />
         <pubDate>2025-10-23 09:52:12 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647163075</guid>
      </item>
      <item>
         <title>회절</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647163338</link>
         <description><![CDATA[<p>중간에 하나의 슬릿을 넣어 좁은 틈을 넣어 주면, 파동이 좁은 틈으로 들어가면서 보강 간섭이 일어난다. 그러고는 다시 넓어진 틈을 통해 파동이 퍼져나간다.</p>]]></description>
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         <pubDate>2025-10-23 09:52:30 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647163338</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647165761</link>
         <description><![CDATA[<p>파동이 틈 사이를 지나가면서 좁은 틈 안에 에너지가 몰렸다가 틈의 가장자리를 따라 퍼져나가며 물결파가 형성되는 것 같다</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-23 09:54:56 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647165761</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647165827</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:55:00 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647165827</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647166011</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:55:13 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647166011</guid>
      </item>
      <item>
         <title>회절   슬릿 작음</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647166071</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611246265/0a31d68c26fe74e7624fe46685b41261/20251023_185238.jpg" />
         <pubDate>2025-10-23 09:55:17 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647166071</guid>
      </item>
      <item>
         <title>회절 슬릿 큼</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647166867</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611246265/ff8a4cdc2b88aa90daf4f2979cc4b5b8/20251023_185420.jpg" />
         <pubDate>2025-10-23 09:55:59 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647166867</guid>
      </item>
      <item>
         <title></title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647167162</link>
         <description><![CDATA[<p>슬릿 사이의 간격이 <strong><mark>좁으면</mark></strong> 파동의 회절성이 <strong><mark>강해진다</mark></strong>.</p>]]></description>
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         <pubDate>2025-10-23 09:56:16 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647167162</guid>
      </item>
      <item>
         <title>두개</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647167609</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-10-23 09:56:43 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647167609</guid>
      </item>
      <item>
         <title>면</title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647168803</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/4611416819/eeadbf0e73e5f9ef77bbba8aea4bea72/20251023_185150.mp4" />
         <pubDate>2025-10-23 09:57:50 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647168803</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647168993</link>
         <description><![CDATA[<p>회절 때문에 파동이 좁은 틈을 지날 때 판 뒤쪽으로 다시 퍼진다…?</p>]]></description>
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         <pubDate>2025-10-23 09:58:02 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647168993</guid>
      </item>
      <item>
         <title></title>
         <author>m_s_yuga2411023</author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647169452</link>
         <description><![CDATA[<p>슬릿 사이의 간격이 <strong><mark>넓으면</mark></strong> 파동의 회절성이 <strong><mark>약해진다</mark></strong>.</p>]]></description>
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         <pubDate>2025-10-23 09:58:26 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647169452</guid>
      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647173015</link>
         <description><![CDATA[<p>회절 : 소리, 빛, 전파 등 모든 파동이 장애물이나 좁은 틈을 만났을 때, 그 뒤편의 그림자 영역까지 퍼져나가는 현상</p>]]></description>
         <enclosure url="" />
         <pubDate>2025-10-23 10:01:41 UTC</pubDate>
         <guid>https://padlet.com/phypjg1/ni36hxjhb02xvyvn/wish/3647173015</guid>
      </item>
      <item>
         <title>파원 2개</title>
         <author></author>
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         <description><![CDATA[<p>회절: 직진하는 파동이 장애물의 가장자리에서 휘어져 나오는 것</p><p>간섭: 두 개 이상의 파동이 같은 공간에서 만나서 겹칠 때, 서로의 진폭이 더해지거나(강해지거나) 서로 상쇄되는(약해지는) 현상</p>]]></description>
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         <description><![CDATA[<p>파동이 지나갈 공간이 넓을때는 파동이 지나갈 공간이 넓어서 그냥 지나가지만 쫍으면 수압이 더 쎄서 모양이 바뀌는것 같다</p>]]></description>
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