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 Share with your friends Share 4 Deepak Kumar answered this Dear Student ,Here A=60oδ=55oi=15oNow emergence angle e = A+δ-ie=100oSo option (d) is correct here .Regards 5 View Full Answer