Question

A light ray is incident upon a prism in minimum deviation position and suffers a deviation of 34°.  If the shaded half of the prism is knocked off, the ray will

(a) Suffer a deviation of 34°

(b) Suffer a deviation of 68°

(c) Suffer a deviation of 17°

(d) Not come out of the prism

Answer

(c) Suffer a deviation of 17°

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