A ray of light is incident at an angle of on one face of a prism of angle

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

A ray of light is incident at an angle of

60^\circ

on one face of a prism of angle

30^\circ

. The emergent ray makes an angle of

30^\circ

with the incident ray. The angle made by the emergent ray with the second face of the prism is: (1)

30^\circ

(2)

90^\circ

(3)

0^\circ

(4)

45^\circ