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Questions  

A simple pendulum has a time period T1 when on the earth's surface and T2 when taken to a height R above the earth's surface, where R is the radius of the earth. The value of T2/T1 is:

a
1
b
2
c
4
d
2

detailed solution

Correct option is D

T=2πlg⇒T2T1=g1g2=gg/4=2

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