Starting from the centre of the earth having radius R, the variation… | Variation of g with distance from the centre

Starting from the centre of the earth having radius R, the variation of g (acceleration due to gravity) is shown…

33 2016 Phase II Gravitation Variation of g with distance from the centre Easy

Starting from the centre of the earth having radius R, the variation of g (acceleration due to gravity) is shown by:

A -

B -

C -

D -

Explanation

Linear inside, $1/r^2$ outside.

$g = \left(\frac{GM_e}{R_e^3}\right)r$ for $0 < r \le R_e$ (increases linearly)
$g = \frac{GM_e}{r^2}$ for $r \ge R_e$ (decreases as $1/r^2$)