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The fundamental frequency of a sonometer...

The fundamental frequency of a sonometer wire increases by ` 6 Hz` if its tension is increased by ` 44 %` , keeping the length constant . Find the change in the fundamental frequency of the sonometer wire when the length of the wire is increased by `20 %` , keeping the original tension in the wire constant.

A

4Hz

B

7Hz

C

5Hz

D

3Hz

Text Solution

Verified by Experts

The correct Answer is:
C
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