A) 4 kg wt
B) 8 kg wt
C) 12 kg wt
D) 16 kg wt
Correct Answer: D
Solution :
\[n=\frac{1}{2l}\sqrt{\frac{T}{m}}\]Þ \[n\propto \sqrt{T}\] For octave, \[{n}'=2n\] Þ \[\frac{{{n}'}}{n}=\sqrt{\frac{{{T}'}}{T}}=2\]Þ\[{T}'=4T=16kg\text{-}wt\]You need to login to perform this action.
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