A) 4.8 hours
B) \[48\sqrt{2}\] hours
C) 24 hours
D) \[24\sqrt{2}\] hours
Correct Answer: B
Solution :
\[T\propto {{r}^{3/2}}\]. If r becomes double then time period will becomes (2)3/2 times. So new time period will be \[24\times 2\sqrt{2}\ hr\]i.e. \[T=48\sqrt{2}\]
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