What should echo the dimensions any the shape of the classrooms so that no echo can be produced there. ?
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The classroom's length and width should both be lesser than 16.5 meters.
As the human brain can only perceive 2 successive sounds when they have a gap of 0.1 second.
Speed of sound=2 times the distance / time
330 m/s = 2d mete/0.1 sec
33 = 2d
16.5 = d
Hope this helps......
As the human brain can only perceive 2 successive sounds when they have a gap of 0.1 second.
Speed of sound=2 times the distance / time
330 m/s = 2d mete/0.1 sec
33 = 2d
16.5 = d
Hope this helps......
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