A) 2 l
B) 4 l
C) 4 l x
D) \[\frac{4l}{x}\]
Correct Answer: B
Solution :
\[T\propto \sqrt{l}\] Time period depends only on effective length. Density has no effect on time period. If length made 4 times then time period becomes 2 times.You need to login to perform this action.
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