A) increases by 50%
B) increases by 100%
C) decreases by 50%
D) decreases by 25%
Correct Answer: B
Solution :
As, frequency, \[f=\frac{1}{2l}\,\sqrt{\frac{T}{\mu }}\] and \[f'=\frac{1}{2\times 0.55l}\,\,\sqrt{\frac{1.21\,T}{\mu }}\,=\frac{1}{l}\,\sqrt{\frac{T}{\mu }}=2f\]You need to login to perform this action.
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