If the man had been standing at a distance of 12m from the cliff would – InterviewSolution

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1.

If the man had been standing at a distance of 12m from the cliff would he have heard a clear echo?

Answer»

If man had been standing at a distance 12m then

t = 2d/v = 2 x 12/340 = 24/340 = 0.07sec.

which is less than 0.1sec.

Hence, man can not hear a clear echo.

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