Question

Explain why echoes cant be heard in a small room.

Answer 1

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For hearing echo , there should be atleast a diatance of 17 m between the source of sound and the body from which sound is reflected.

In small rooms this is not tye case , so they are not heard.

Thanks!

Answer 2

●Echoes cant be heard in a small room.

●Because in it the sound can't be reflected back.

●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.