An incident laser beam strikes a stationary plane mirror and is reflected in a…

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

Problem

An incident laser beam strikes a stationary plane mirror and is reflected in a certain fixed direction. If the mirror is then rotated by

5^{\circ}

about an axis perpendicular to the plane of incidence, through what angle will the reflected beam deviate from its original direction?