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added by Hà Linh Chi May 2, 2013, 1:50 p.m.
The rainbow is violet on the inside of its arc. What color is it on the outside?
blue
green
yellow
red
Visible light spans from red to violet. It is easy to remember, since wavelengths just outside the visible range are called infrared and ultraviolet.
Hà Linh Chi
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Correct this question
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Very interesting!
reach: rather globalcolorslightnatureopticsphysicsrainbow

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