Question

The diagram showing the variation of gravitational potential of earth with distance from the centre of earth is

• A.
• B.
• C.
• D.

Answer 1

The correct option is C

$V_{in}=\frac{-Gm}{2R}[3-{\left(\frac{r}{R}\right)}^2],V_{surface}=\frac{-GM}{R},V_{out}=\frac{-GM}{r}$