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A string of length L is fixed at one end...

A string of length `L` is fixed at one end and carries a mass `M` at the other end. The string makes `2//pi` revolution per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is.

A

`ML`

B

`2ML`

C

`4ML`

D

`16ML`

Text Solution

Verified by Experts

The correct Answer is:
D
`omega=2piN=2pi((2)/(pi))=4rad//s`
As in the previous solution, `T=Momega^(2)L=16ML`
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