A plane mirror is tilted so that its surface makes an angle of with the horizontal floor
PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
A plane mirror is tilted so that its surface makes an angle of 15° with the horizontal floor. A light ray strikes the mirror, and the reflected ray is observed to travel vertically upward. Calculate the angle of incidence, measured from the normal to the mirror surface.