Physics, asked by divina5140, 1 year ago

The minimum distance to hear an echo (at 22 deg celsius in air) from a sound reflecting surface is

Answers

Answered by mohanasiddharth

0

The minimum distance between to hear echo is 2× D

D=distance between source and reflecting surface

Answered by priyanshubedi00

0

17.2m is the minimum distance

mohanasiddharth: How??

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