Question

Define eco can we hear eco in a small room ? State reason

Answer 1

A sound caused by the reflection of sound waves from a surface back to the listener

Answer 2

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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.

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