Physics, asked by aayushisolanki436, 11 months ago

what is the least distance at which echo will be heared​

Answers

Answered by MediocreMin
1

Answer:

Hey mate !

17.2 m is the least distance .

Answered by agumyahonest
1

Answer:

17.2m

Explanation:

it becoz the velocity of sound in dry air is 343m/s

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