02-05-2018
Physics

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Explain how internal reflection plays an important part in the making of a rainbow.

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alexis6464 alexis6464

02-05-2018

In the formation of a rainbow, Total Internal Reflection occurs at the rear of the raindrop - the water-to-air interface. Therefore, in order for a rainbow to be visible, the angle of incidence at that interface must be greater than the critical angle.

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