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Your right! Red has the longest wavelength of visible light. 6.5-7.0x10^-7 meters


If you would like to see wavelengths of the other colors click here

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You can use wavelengths to find the speed or frequency of a wave

v = f * (wavelength)
To see other wave formulas click here

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If a beam of light passes through the air, and water, and then enters a lucite block, in which direction will the beam bend?
Will the beam look like A or B ?


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