A ray incident at 15 on one refracting surface of a prism of angle 60 suffers a deviation of 55 What is the angle of emergence
(a) 95°                 (b) 45°                    (c) 30°                     (d) None of these

Dear Student ,Here A=60oδ=55oi=15oNow emergence angle e = A+δ-ie=100oSo option (d) is correct here .Regards

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