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The splash of sound was heard 5.35 s aft...

The splash of sound was heard `5.35 s` after dropping a stone into a well 122.5 m deep. Velocity of sound in air is

A

350 cm/s

B

350 m/s

C

392 cm/s

D

0 cm/s

Text Solution

Verified by Experts

The correct Answer is:
B
`t = sqrt((2h)/(g)) + (h)/(v_("sound"))`
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