A boy stands between the two walls and claps his hands as shown below: – InterviewSolution

1.	A boy stands between the two walls and claps his hands as shown below: If ‘x’ is less than 60m and the time between the first and the second echo is 0.25s, then calculate the value of ‘x’. (Velocity of sound in air is 344 ms−1)
Answer» A boy stands between the two walls and claps his hands as shown below: If ‘x’ is less than 60m and the time between the first and the second echo is 0.25s, then calculate the value of ‘x’. (Velocity of sound in air is 344 $m s^{- 1}$ )

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