Two plane mirrors are inclined at to each other

PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

Two plane mirrors are inclined at

60^{\circ}

to each other. A ray strikes the first mirror making an angle of

30^{\circ}

with the mirror surface. Calculate the angle between the original incident ray and the final emergent ray after the two successive reflections.