Physics, asked by sahaniashishbhu786, 5 months ago

3. The minimum distance of a wall from a source of sound so that an echo is produced is 17 m

Answers

Answered by unknown5279

1

Answer:

if a wall is strate from sources of sound it's can be trevel to more distance

Answered by 1374866

0

Answer:

Cause u can hear an echo from the minimum distance of 17m

Explanation:

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