Light is incident in air at an angle θ1 on the upper surface of a transparent plate, the surfaces of the plate being plane and parallel to each other. (a) Prove that θ1 = θ´1. (b) Prove that the lateral displacement d (≡ of the emergent beam is given by the relationship (hint: define L ≡ and setup two equations with two unknowns involving d) where t is the thickness of th

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Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: