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In an experiment with bar pendulum havin...

In an experiment with bar pendulum having four holes, the same time period is recorded when it is suspended at distances `21cm, 24cm, 40cm` nad `52cm` respectively form one end. The length of bar pendulum is

A

`84 cm`

B

`72 cm`

C

`64 cm`

D

`60 cm`

Text Solution

Verified by Experts

The correct Answer is:
C
Holes should be at equal distance from either end to have same time period.
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