Physics, asked by Anonymous, 5 months ago

What is the minimal condition for the echo to be produced?

Answers

Answered by gauribharsakle69

3

Answer:

Sound absorbing material must not be present.

Answered by bhavanij0705

1

The conditions necessary for hearing the echo:

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 .

hope it helps you

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