An echo is not heard in a small room.why ? give reason Question An echo is not heard in a small room.why ? give reason in progress 0 Physics Ngọc Khuê 4 years 2021-07-29T20:48:40+00:00 2021-07-29T20:48:40+00:00 2 Answers 25 views 0
Answers ( )
The room is too small it has to be ag least 17.2 meters for the noise to bounce
Answer:
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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