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A sonometer wire of 70cm length fixed at...

A sonometer wire of 70cm length fixed at one end has a solid mass M, hanging from its other end to produce tension in it. The wire produces a certian frequency. When the same mass 'M' hanging in water, it is found that the length of the wire has to be changed by 5 cm. in order to produce the same frequency. Then the density of the material of mass 'M' is

A

5 gm /c.c

B

1 gm/ c.c

C

`(169)/(27)gm// c.c`

D

`(196)/(27)gm//c.c`

Text Solution

Verified by Experts

The correct Answer is:
D
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