The height at which the acceleration due to gravity becomes 4 g (where g = the acceleration due to gravity on the surface of the earth) in terms of R, the radius of the earth, is :-

Question

The height at which the acceleration due to gravity becomes 4 g ​ (where g = the acceleration due to gravity on the surface of the earth) in terms of R, the radius of the earth, is :-

TestHub · Accepted Answer

g g ′ ​ = ( R + h ) 2 R 2 ​ = 4 1 ​ , so R + h = 2R, giving h = R. Ans (B)

Question with Solution

Options:

Doubts & Discussion