A) \[T\sqrt{n}\]
B) \[T/\sqrt{n}\]
C) nT
D) T
Correct Answer: B
Solution :
When spring is cut into n equal parts then spring constant of each part will be nk and so using \[T\propto \frac{1}{\sqrt{k}},\] time period will be \[T/\sqrt{n}.\]
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