Two plane mirrors and are inclined to each other at

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

Two plane mirrors

M_1

and

M_2

are inclined to each other at

70^\circ

. A ray incident on mirror

M_1

at an angle

\theta

falls on

M_2

and is then reflected parallel to

M_1

for (1)

\theta=45^\circ

(2)

\theta=50^\circ

(3)

\theta=55^\circ

(4)

\theta=60^\circ