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In melde's experiment, the tuning fork w...

In melde's experiment, the tuning fork was arranged in parallel position and the string was stretched by a weight of `4xx10^(-3)` kg and mass per unit length of the string is `9.8xx10^(-5) kg//m` . If 4 loops were formed on a length 80cm of the string, then the frequency of the fork will be

A

50Hz

B

100Hz

C

10Hz

D

25Hz

Text Solution

Verified by Experts

The correct Answer is:
B
`N=P/lsqrt(T/m) = (4)/(0.8) sqrt((4xx10^(-3) xx9.8)/(9.8xx10^(-5)))`
= 100Hz
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