If the angle of incidence of a sound ray on a plane surface is decreased

PHYSICS · Single correct · CBSE · Physics · Sound · Sound

Problem

If the angle of incidence of a sound ray on a plane surface is decreased, what happens to the angle of reflection? (a) It increases by the same amount (b) It remains unchanged (c) It decreases by the same amount (d) It becomes 90∘90^{\circ}

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