What are the practical application of reflection of sound?
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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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stethoscope is a medical instrument used for listening to sounds produced within the body.
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