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A man is standing between two parallel c...

A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes after 1.5 s and 3.5s respectively, the distance between the cliffs is (Velocity of sound in air `= 340 ms^(–1)` )

A

1190 m

B

850 m

C

595 m

D

510 m

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