Question: A light ray is incident on a prism at an angle as shown in Fig. 8-33 (P8.17). The ray is refracted at the first surface

A light ray is incident on a prism at an angle as shown in Fig. 8-33 (P8.17). The ray is refracted at the first surface and again at the second surface. In terms of the apex angleof the prism and its index of refraction n, determine the smallest value of for which the ray will emerge from the other side. Find this minimum for n = 4 and = 60o.

82

82

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