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      <title>My stellar shelf by Zalfa Rashieka</title>
      <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35</link>
      <description>Made with the strength to succeed</description>
      <language>en-us</language>
      <pubDate>2020-04-21 23:57:59 UTC</pubDate>
      <lastBuildDate>2023-02-17 09:55:04 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Pengertian</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521633649</link>
         <description><![CDATA[<div>Getaran adalah gerak bolak-balik suatu partikel secara periodik di sekitar titik keseimbangannya</div>]]></description>
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         <pubDate>2020-04-22 00:05:44 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521633649</guid>
      </item>
      <item>
         <title>Jenis-Jenis Gelombang</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521661607</link>
         <description><![CDATA[<div>1. Gelombang Mekanik dan Gelombang Elektromagnetik</div><ul><li>Gelombang Mekanik : Gelombang yang menggunakan medium untuk memindahkan energi</li><li>Gelombang Elektromagnetik : Gelombang yang tidak menggunakan medium untuk memindahkan energi</li></ul><div>2. Gelombang Transversal dan Gelombang Longitudinal</div><ul><li>Gelombang Transversal : Gelombang yang getarannya tegak lurus terhadap arah perambatan gelombang</li><li>Gelombang Longitudinal : Gelombang yang getarannya sejajar dengan arah perambatan gelombang</li></ul>]]></description>
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         <pubDate>2020-04-22 00:31:31 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521661607</guid>
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      <item>
         <title>Frekuensi</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521679914</link>
         <description><![CDATA[<div>Jumlah gelombang yang terjadi pada sebuah titik tiap sekon<br><strong>Keterangan : <br></strong>f = frekuensi gelombang (Hz)<br>n = jumlah gelombang<br>t = waktu</div>]]></description>
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         <pubDate>2020-04-22 00:47:58 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521679914</guid>
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      <item>
         <title>Periode</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521688634</link>
         <description><![CDATA[<div>Waktu yang diperlukan sebuah partikel pada medium untuk melakukan satu getaran penuh <br><strong>Keterangan :<br></strong>T = periode gelombang (s)<br>t = waktu (s)<br>n = jumlah gelombang</div>]]></description>
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         <pubDate>2020-04-22 00:55:55 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521688634</guid>
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      <item>
         <title>Cepat Rambat Gelombang</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521692065</link>
         <description><![CDATA[<div><strong>Keterangan : <br></strong>v = kecepatan rambat gelombang (m/s)</div>]]></description>
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         <pubDate>2020-04-22 00:58:59 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521692065</guid>
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      <item>
         <title>Pengertian</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521723824</link>
         <description><![CDATA[<div>Suatu gelombang dimana setiap titik yang dilalui oleh gelombang tersebut bergetar harmonis dengan amplitudo yang sama besar</div>]]></description>
         <pubDate>2020-04-22 01:25:18 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521723824</guid>
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      <item>
         <title>Bentuk Umum Persamaan</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521740221</link>
         <description><![CDATA[<div>y = A sin (ωt – kx + θ<sub>0</sub>)<br><strong>Keterangan :</strong><br>ω = frekuensi sudut<br>t = lama titik asal setelah bergetar<br>x = jarak titik dari asal getaran<br>k = bilangan gelombang (bukan konstanta pegas)<br>θ<sub>0 = </sub>sudut fase awal</div>]]></description>
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         <pubDate>2020-04-22 01:39:20 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521740221</guid>
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      <item>
         <title>Sudut Fase Gelombang</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521744381</link>
         <description><![CDATA[]]></description>
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         <pubDate>2020-04-22 01:42:52 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521744381</guid>
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      <item>
         <title>Fase Gelombang</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521751565</link>
         <description><![CDATA[<div>Titik-titik yang berjarak nλ pada gelombang fasenya sama (n = 0, 1, 2, 3, ...)</div><div><br>Titik-titik yang berjarak n.1/2λ pada gelombang fasenya berlawanan (n = 1, 3, 5, ...)</div>]]></description>
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         <pubDate>2020-04-22 01:49:02 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521751565</guid>
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      <item>
         <title>Beda Fase</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521760304</link>
         <description><![CDATA[<div>Apabila pada tali terdapat 2 titik, tititk A berjarak X<sub>1 </sub>dari titik asal getaran dan titik Q yang berjarak X<sub>2</sub> dari titik asal getaran, maka beda fase antara P dan Q</div>]]></description>
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         <pubDate>2020-04-22 01:56:19 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521760304</guid>
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      <item>
         <title>Pengertian</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521775182</link>
         <description><![CDATA[<div>Hasil paduan 2 gelombang yang mempunyai frekuensi dan amplitudo yang sama, tetapi arah rambat berlawanan</div>]]></description>
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         <pubDate>2020-04-22 02:09:13 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521775182</guid>
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      <item>
         <title>Akibat Pantulan Ujung Bebas</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521783028</link>
         <description><![CDATA[<div>Tidak ada perloncatan fasa, fasa gelombang datang = fasa gelombang pantul, maka :</div><ul><li><strong>Amplitudo gelombang</strong></li></ul><div>A<sub>p</sub> = 2A cos 2π (x/λ ) = 2A cos kx</div><ul><li>x adalah jarak dari titik pantul, bukan dari asal getaran</li><li><strong>Titik perut terjadi bila </strong>x = (bilbul).1/2λ --&gt; x = 0, 1/2λ , λ , 3/2λ , ...</li><li><strong>Titik simpul terjadi bila</strong> x = (bil. ganjil).1/4λ --&gt; x = 1/4λ , 3/4λ , 5/4λ , ...</li></ul>]]></description>
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         <pubDate>2020-04-22 02:16:04 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521783028</guid>
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      <item>
         <title>Akibat Pantulan Ujung Tetap</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521813014</link>
         <description><![CDATA[<div>Terjadi perloncatan fase sebesar 1/2, fase gelombang datang dengan gelombang pantul berbeda sebesar π, maka :</div><ul><li><strong>Amplitudo tergantung pada x</strong></li></ul><div>yp = 2A sin 2π (x/λ ) cos 2π (t/T - l/λ)<br>yp = 2A sin kx cos (ωt – kl)</div><ul><li><strong>Titik perut terjadi bila x = (bil ganjil).1/4λ</strong> --&gt; x = 1/4λ, 3/4λ, 5/4λ, ...</li><li><strong>Titik simpul terjadi bila x = (bilbul).1/2λ</strong> --&gt; x = 0, 1/2λ, λ, 3/2λ, ...</li><li>x adalah jarak dari titik pantul, bukan dari asal getaran</li></ul>]]></description>
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         <pubDate>2020-04-22 02:42:20 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521813014</guid>
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      <item>
         <title>Pembiasan (Refraksi)</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521841472</link>
         <description><![CDATA[<div>Pembelokan arah lintasan geelombang karena melalui dua medium yang berbeda</div>]]></description>
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         <pubDate>2020-04-22 03:10:12 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521841472</guid>
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      <item>
         <title>Pelenturan (Difraksi)</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521853056</link>
         <description><![CDATA[<div>Perubahan arah gelombang ketika melewati sebuah celah atau sebuah penghalang</div>]]></description>
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         <pubDate>2020-04-22 03:21:24 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521853056</guid>
      </item>
      <item>
         <title>Pemantulan (Refleksi)</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521855597</link>
         <description><![CDATA[<div>Perubahan arah rambat gelombang saat bertemu dengan bidang batas 2 medium</div>]]></description>
         <enclosure url="" />
         <pubDate>2020-04-22 03:23:59 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521855597</guid>
      </item>
      <item>
         <title>Penguraian (Dispersi)</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521856464</link>
         <description><![CDATA[<div>Penguraian warna polikromatik (putih) menjadi monokromatik saat seberkas cahaya dilewatkan melalui prisma</div>]]></description>
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         <pubDate>2020-04-22 03:24:55 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521856464</guid>
      </item>
      <item>
         <title>Interferensi</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521858148</link>
         <description><![CDATA[<div>Mengganggu gelombang lain</div>]]></description>
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         <pubDate>2020-04-22 03:26:26 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521858148</guid>
      </item>
      <item>
         <title>Polarisasi</title>
         <author>zalfarashiekas25</author>
         <link>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521859156</link>
         <description><![CDATA[<div>Terserapnya sebagian arah getar gelombang</div>]]></description>
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         <pubDate>2020-04-22 03:27:09 UTC</pubDate>
         <guid>https://padlet.com/zalfarashiekas25/vyarypd00hdjrr35/wish/521859156</guid>
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