A light ray traveling in air is incident on one face of a right angle prism with index of refraction n = 1.50, as shown in Figure P22.54, and the ray follows the path shown in the figure. Assuming θ = 60.0° and the base of the prism is mirrored, determine the angle ? made by the outgoing ray with the normal to the right face of the prism.FIGURE P22.54

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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: