A simple pendulum has a time period 
when on the earth’s surface and 
when taken to a height R above the earth’s surface, where R is the radius of the earth. The value of 
is
A
1
B
C
4
D
2
Text Solution
Verified by ExpertsThe correct answer is:
D
If acceleration due to gravity is g at the surface of earth then at height R it value becomes
∴ ∴ 
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