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A layer of olive oil (n = 1.45) floats on top of the surface of some...

A layer of olive oil (n = 1.45) floats on top of the surface of some water (n = 1.33).

A ray of light hits the olive oil from air with an angle of incidence of 45 ∘∘. At what angle does the light emerge into the olive oil?

A ray of light hits the olive oil from air with an angle of incidence of 45 ∘∘. At what angle does the light emerge into the water?

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