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A uniform string of length 20m is suspen...

A uniform string of length `20m` is suspended from a rigid support. A short wave pulse is introduced at its lowest end. It starts moving up the string. The time taken to reach the support is :
(take `g = 10ms^(-2)`)

A

2 s

B

`2 sqrt(2) s`

C

`sqrt(2) s`

D

`2pi sqrt(2) s`

Text Solution

Verified by Experts

The correct Answer is:
B
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