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Sunil is standing between two walls. The...

Sunil is standing between two walls. The wall closest to him is at a distance of 660 m. If he shouts, he hear the first echo after 4 s and another after another 2 seconds.
What is the velocity of sound in air?

Text Solution

Verified by Experts

The correct Answer is:
330 m/s ; 1650 m
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