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Time Period of Pendulum

A second's pe...

Question

A second's pendulum is placed in a space laboratory orbiting around the earth at a height 3R, where R is the radius of the earth. The time period of the pendulum is

A

Zero

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B

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C

4 sec

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D

Infinite

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Solution

The correct option is D
Infinite

In the given case effective acceleration $g_{e f f .} = 0 \Rightarrow T = \infty$

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