If W is the weight of a body on the surface of the earth, its weight at a height equal to radius of the earth would be
A. W/2
B. 2 W
C. W/4
D. 4 W

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1 Answers

Correct Answer - c
`(F_(2))/(F_(1)) =(g_(2))/(g_(1))=((R)/(R+n))^(2)=((R)/(2R))^(2)=(1)/(4)`
`F_(2)=(F_(1))/(4)=(W)/(4).`

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