Find at what angle to the normal does the ray leave the slab

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Suppose the ray, in air with n = 1.00, enters a slab with n = 2.37 at a 37.4° angle with respect to the normal, then exits the bottom of the slab into water, with n = 1.33. At what angle to the normal does the ray leave the slab?

Reference no: EM13551801

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