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The length of a second's pendulum at the...

The length of a second's pendulum at the equator is L. The length of second's pendulum at the North pole will be

A

`ltL`

B

`gtL`

C

L

D

`L//2`

Text Solution

Verified by Experts

The correct Answer is:
B
`l=(g)/(pi^(2))`
`lpropg`
`g_("pole")gtg_("equator")`
`g_("pole")gtl_("equator")`
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