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light - Fun Physics You Can See Lasers Holograms and...

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Fun Physics You Can See Lasers, Holograms and Spectroscopy Visit www.worldofteaching.com For 100’s of free powerpoints
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The Inside Scoop on Light Light is a wave , kind of like a wave in the ocean These light waves carry energy . This energy can do many interesting things, like help grow a plant, produce electric currents, or cause chemical reactions. Light carries a different amount of energy depending on its wavelength .
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Wavelength: the Secret to the Rainbow Light that has a longer wavelength appears more red, and light that has a shorter wavelength appears blue. The shorter the wavelength, the higher the energy carried by the wave. You may have heard of ultraviolet ” or “ infrared ” light. That is light at either extreme of wavelength, very short (ultraviolet) or very long (infrared). Our eyes cannot always detect light if the wavelength is very long or very short.
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Diffraction Gratings: The Bending of Light A wave is bent when it hits a rough
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