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If the distance between the centre of gr...

If the distance between the centre of gravity and point of suspension of a compound pendulum is l and the radius of gyration about the axis passing through its centre of gravity is k, its time period will be infinite if

A

`l = 0`

B

`l = oo`

C

`l = k`

D

`l = 2k`

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The correct Answer is:
A
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