Physics, asked by samsung9203, 1 year ago

What is the minimum distance required to hear echo in air?

Answers

Answered by dwivedichirag96
3

The minimum distance to hear an echo is 17.2m and the velocity of sound dry minimum is 343m.

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Answered by VarunSengar
0

minimum distance for eco is 22.4m


Polarised: 17.2 m
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