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A 45°−90°−45° prism is constructed from a synthetic resin. As shown in the figure, a light...

A 45°−90°−45° prism is constructed from a synthetic resin. As shown in the figure, a light beam that enters the prism at the midpoint of the long side and parallel to the base exits the prism at an angle of 59° below the horizontal. What is the index of refraction of this prism?

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