Show that two successive reflections of a ray from two plane mirrors inclined at an…
PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
Show that two successive reflections of a ray from two plane mirrors inclined at an angle θ to each other are equivalent to a single rotation of the ray through an angle 2θ. Hence write the expression for the net deviation produced after the two reflections.