A scientist wishes to deflect a light beam through by rotating a plane mirror while…

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

Problem

A scientist wishes to deflect a light beam through 40∘40^{\circ} by rotating a plane mirror while keeping the incident beam fixed. Calculate the angle through which the mirror must be rotated to achieve the required deflection.

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