Physics, asked by Strife2340, 8 months ago

An echo is returned in 3 sec. at 22ºC in a hall. What will be the
The distance of reflecting surface from the source.

Answers

Answered by aparna1372

0

Answer:

Speed of sound(v) =342m/s

Echo returns in time=3s

Distance travelled by sound= v×t

342×3

1026

As echo travels double distance. So the distance is 1026/2

513m

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