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A somoneter wire resonates with a given ...

A somoneter wire resonates with a given tuning fork forming standing waves with five antindoes between the two bridges when a mass of 9 kg is suspended from the wire. Resonates with the same tuning fork forming three antindoes for the same postions of the bridges. the value of M is

A

`25 kg`

B

`5 kg`

C

`12.5 kg`

D

`(1//25) kg`

Text Solution

Verified by Experts

The correct Answer is:
A
`f_(0) = (5)/( 2l) sqrt((9 g)/(mu)) = (3)/(2 l) sqrt((M g)/(mu))`
`:. M = 25 kg`
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