Question

define echo ? can we here an echo in a small room ? give reason​

Answer 1

Echo:-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.

Answer 2

Answer:

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

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