Question

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.

Answer 1

Answer: (B)

$g_{inside}=\left(\frac{GM}{R^3}\right)r$
$g_{surface}=\frac{GM}{R^2}$
$g_{outside}=\frac{GM}{r^2}$