We cannot hear echo produced in classrooms
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Because the room is too small for echo to be produced .And for echo the minimum time for sound to be reflected back is 0.l sec ,if you were in a large place surround by hills or something like that you will surely hear an echo of multiple reflection ie many times .
lavleenghotra:
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Answered by
7
Because the room is too small for echo to be produced .And for echo the minimum time for sound to be reflected back is 0.l sec ,if you were in a large place surround by hills or something like that you will surely hear an echo of multiple reflection ie many times .
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