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Electromagnetic Waves (4-Visible light (Why visible ? specialized cells in…
Electromagnetic Waves
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6-X-rays
Features
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Medical imaging
It absorbs atoms that has larger atomic number, emit light, the image represent the shadow
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How are they produced ?
High energy strike a metal , electrons are decelerating , decelerated electrons will emit X-rays
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5-Ultraviolet
Features
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Fluorescent light
UV is emitted from mercury , fluorescent powder will emit visible light
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7-Gamma Rays
Features
Highest frequency , lowest wavelength
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