Question

explain why we cannot hear the echo in a small room?
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Answer 1

Answer:

we can here in small room bro

Answer 2

Answer:

The phenomenon of reflection of sound from a surface is called echo. They can't hear an echo in small room because in it the sound can't be reflected back. For an echo of a sound to be heard,the minimum distance between the source of sound and the walls of the room should be 17.2 m

Explanation:

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