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A man standing unsymmetrical position between two mountains and fires a gun. He hears the first echo after 1.5 s and the second echo after 2.5 s. If the speed of sound in air is 340 m/s, then the distance between the mountains will be

A

400 m

B

520 m

C

640 m

D

680 m

Text Solution

Verified by Experts

The correct Answer is:
D
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