(a) What is meant by ‘reflection of sound’? What type of surfaces are the best for reflecting sound?
(b) Name any two objects which are good reflectors of sound.
(c) State the laws of reflection of sound.

(a). When a sound bounces back from any surface, it is known as the reflection of the sound. And hard surfaces are best for reflecting the sound waves.

(b). Walls and cliffs are the two objects which are good reflectors of sound. 

(c). Laws of reflection of sound: (i). The incident sound wave, the reflected sound wave, and the normal at the point of incidence always lie in the same plane.

(ii). The angle of incidence of a sound wave is always equal to the angle of reflection of the sound wave.

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Updated on: 10-Oct-2022

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