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      <title>Electromagnetic radiation  by LAILA AWAREK</title>
      <link>https://padlet.com/331504/vo2xsf05hdnp</link>
      <description>Made with joy</description>
      <language>en-us</language>
      <pubDate>2019-01-28 21:28:13 UTC</pubDate>
      <lastBuildDate>2026-02-12 23:35:38 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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         <title>12.far infrared</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325166446</link>
         <description><![CDATA[<div>Far infrared is a region in the infrared spectrum of electromagnetic radiation. Far infrared is often defined as any radiation with a wavelength of 15 micrometers to 1 mm, which places far infrared radiation within the CIE IR-B and IR-C bands. <a href="https://en.wikipedia.org/wiki/Far_infrared">https://en.wikipedia.org/wiki/Far_infrared</a><br><br></div>]]></description>
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         <pubDate>2019-01-28 21:29:46 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325166446</guid>
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      <item>
         <title>13.electromagnetic spectrum</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325166734</link>
         <description><![CDATA[<div>the range of wavelengths or frequencies over which electromagnetic radiation extends.<br><a href="https://www.merriam-webster.com/dictionary/electromagnetic%20spectrum">https://www.merriam-webster.com/dictionary/electromagnetic%20spectrum</a><br><br></div><div><br></div><div><br></div>]]></description>
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         <pubDate>2019-01-28 21:30:48 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325166734</guid>
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      <item>
         <title>1.gamma radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325167420</link>
         <description><![CDATA[<div>gamma rays.<br><a href="https://en.wikipedia.org/wiki/Gamma_ray">https://en.wikipedia.org/wiki/Gamma_ray</a><br><br></div><div><br></div><div><br></div>]]></description>
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         <pubDate>2019-01-28 21:33:15 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325167420</guid>
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      <item>
         <title>3.infrared radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325168443</link>
         <description><![CDATA[<div>Infrared radiation (IR), sometimes referred to simply as infrared, is a region of the electromagneticradiation spectrum where wavelengths range from about 700 nanometers (nm) to 1 millimeter (mm).Infrared waves are longer than those of visible light, but shorter than those of radio waves. <a href="https://searchnetworking.techtarget.com/definition/infrared-radiation">https://searchnetworking.techtarget.com/definition/infrared-radiation</a></div>]]></description>
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         <pubDate>2019-01-28 21:36:44 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325168443</guid>
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      <item>
         <title>2. microwave radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325168704</link>
         <description><![CDATA[<div>Microwaves are a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter; with frequencies between 300 MHz and 300 GHz. Different sources define different frequency ranges as microwaves; the above broad definition includes both UHF and EHF bands.<br><a href="https://en.wikipedia.org/wiki/Microwave">https://en.wikipedia.org/wiki/Microwave</a></div>]]></description>
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         <pubDate>2019-01-28 21:37:46 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325168704</guid>
      </item>
      <item>
         <title>5.near infrared</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325168872</link>
         <description><![CDATA[<div>pertaining to or being in the infrared spectrum that is closest to visible light; it is used for studying red dwarfs, red giants, and other celestial objects.<br><a href="https://en.wikipedia.org/wiki/Near-infrared_spectroscopy">https://en.wikipedia.org/wiki/Near-infrared_spectroscopy</a></div>]]></description>
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         <pubDate>2019-01-28 21:38:41 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325168872</guid>
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      <item>
         <title>4.photoelectric effect</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325169128</link>
         <description><![CDATA[<div>The photoelectric effect is the emission of electrons or other free carriers when light shines on a material. Electrons emitted in this manner can be called photo electrons. This phenomenon is commonly studied in electronic physics, as well as in fields of chemistry, such as quantum chemistry or electrochemistry. <a href="https://en.wikipedia.org/wiki/Photoelectric_effect">https://en.wikipedia.org/wiki/Photoelectric_effect</a></div>]]></description>
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         <pubDate>2019-01-28 21:39:39 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325169128</guid>
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      <item>
         <title> 6.picometer</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325169295</link>
         <description><![CDATA[<div><strong>picometer</strong> - a metric unit of length equal to one trillionth of a meter. micromicron, <strong>picometre</strong>. <a href="https://www.thefreedictionary.com/picometer">https://www.thefreedictionary.com/picometer</a></div>]]></description>
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         <pubDate>2019-01-28 21:40:17 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325169295</guid>
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      <item>
         <title>7.radio radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325169580</link>
         <description><![CDATA[<div>Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies as high as 300 gigahertz to as low as 30 hertz. At 300 GHz, the corresponding wavelength is 1 mm, and at 30 Hz is 10,000 km. <a href="https://en.wikipedia.org/wiki/Radio_wave">https://en.wikipedia.org/wiki/Radio_wave</a></div>]]></description>
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         <pubDate>2019-01-28 21:41:05 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325169580</guid>
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      <item>
         <title> 8.ultraviolet radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325169800</link>
         <description><![CDATA[<div>Ultraviolet radiation is electromagnetic radiation or light having a wavelength greater than 100 nm but less than 400 nm. ... Ultraviolet radiation has a wavelength longer than that of x-rays but shorter than that of visible light.<br><a href="https://www.thoughtco.com/definition-of-ultraviolet-radiation-604675">https://www.thoughtco.com/definition-of-ultraviolet-radiation-604675</a></div>]]></description>
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         <pubDate>2019-01-28 21:41:50 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325169800</guid>
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      <item>
         <title>9.visible light radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325169978</link>
         <description><![CDATA[<div>Visible light is a form of electromagnetic (EM)radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Generally,visible light is defined as the wavelengths that arevisible to most human eyes. This broad range of wavelengths is known as the electromagnetic spectrum.<br><a href="https://www.livescience.com/50678-visible-light.html">https://www.livescience.com/50678-visible-light.html</a></div>]]></description>
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         <pubDate>2019-01-28 21:42:32 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325169978</guid>
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      <item>
         <title>10. wave-particle duality</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325170264</link>
         <description><![CDATA[<div>Definition of Wave-Particle Duality. The behaviors of the electron does not allow for it to be observable as aparticle and as a wave. The two sided nature of the electron is known as the Wave-Particle Duality: The property of particles behaving as waves and the property of waves behaving as particles as well as waves.<br><a href="https://chem.libretexts.org/Bookshelves/.../Wave-Particle_Duality">https://chem.libretexts.org/Bookshelves/.../Wave-Particle_Duality</a></div>]]></description>
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         <pubDate>2019-01-28 21:43:30 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325170264</guid>
      </item>
      <item>
         <title>11.X-ray radiation</title>
         <author>331504</author>
         <link>https://padlet.com/331504/vo2xsf05hdnp/wish/325170457</link>
         <description><![CDATA[<div>Physics . Often x-rays. a form of electromagneticradiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases. such radiation having wavelengths in the range of approximately 0.1–10 nm.<br><a href="https://www.dictionary.com/browse/x-ray">https://www.dictionary.com/browse/x-ray</a></div>]]></description>
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         <pubDate>2019-01-28 21:44:08 UTC</pubDate>
         <guid>https://padlet.com/331504/vo2xsf05hdnp/wish/325170457</guid>
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