Question

Give two practical applications of multiple reflectionof sound waves.

Answer 1

Answer:

Two practical applications of reflection of sound waves: (i) Hearing aid: It is a device used by the people who are hard of hearing. Here the sound waves, which are received by the hearing aid are reflected into a narrower area leading to the ear. (ii) Sound boards: Curved surfaces can reflect sound waves.

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Answer 2

Answer:

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