A light ray falls normally on a plane mirror

PHYSICS · Single correct · GCSE · Physics · Waves · Waves

Problem

A light ray falls normally on a plane mirror. What is the angle of reflection? (a) 90∘90^{\circ} (b) 30∘30^{\circ} (c) 0∘0^{\circ} (d) 180∘180^{\circ}

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