A Second's pendulum is placed in a space laboratory orbiting around the earth at a height 3R from the earth's surface where R is earth's radius. The time period of the pendulum will be
A
Zero
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B
2√3
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C
4sec
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D
Infinite
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Solution
The correct option is BInfinite The second pendulum placed in a space laboratory orbiting around the earth is in a weightlessness state. Hence g=0 so T=∞