Question

The distance between the source and the reflecting surface for a distinct echo to be heard is​

Answer 1

Answer:

17.2meter

Explanation:

Let the distance between the reflecting surface and the source of sound production remains the same. Do you hear echo sound on a hotter day? Answer: The minimum distance (d) for the distinct echo to be heard (say at 22°C) is 17.2 m (as 2d = vt = 344 x 0.1 = 34.4 m ).

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