Physics, asked by Anonymous, 1 year ago

What are the minimum conditions necessary to hear an echo ?

Explain briefly .

Answers

Answered by devanshoza23
3

Answer:The conditions necessary for hearing the echo. The distance between the sound source and the reflecting surface must not be less than 17 metres where the time period between hearing the original sound and its echo should not be less than 0.1 of a second .

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