# A light ray enters a water layer that is on top of a thick piece of...

###### Question:

A light ray enters a water layer that is on top of a thick piece of glass. The ray enters the water at an angle of 37.0°. The water layer is 5.0mm thick and the glass is 15.0mm thick. The index of refraction of the water is 1.333 and that of the glass is 1.571. What is the angle at which the light ray is travelling in the glass? 1e

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