If R is radius of the earth, the height above the surface of the earth where the weight of a body is `36%` less than its weight on the surface of the
If R is radius of the earth, the height above the surface of the earth where the weight of a body is `36%` less than its weight on the surface of the earth is
A. 4 R/5
B. R/5
C. R/6
D. R/4
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Correct Answer - d
`mgg=mg((R)/(R+h))^(2) therefore (R)/(R+h)=(8)/(10)`
`10R=8R+8h" "therefore h=(R)/(4)`
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