Question

how are multiple reflection of sound helpful to doctors and engineers??​

Answer 1

Answer:

In the stethoscope the sound of the patient's heart beat reaches the doctor's ears by multiple reflections and by amplifying sound. Moreover, for the engineers. The ceilings of concert halls, meeting halls, and cinema halls are built in such a manner that sound enters all the parts of the building upon contemplation

Explanation:

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Answer 2

Explanation:

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