school4life110
30.05.2021 •
Physics
An echo is not heard in a small room.why ? give reason
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Ответ:
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.
hopw it helps
Ответ:
Ответ:
2= 4.50
hope i helped ! have an amazing day