If $V$ is the gravitational potential due to sphere of uniform density on its surface, then its value at the centre of sphere will be: (1) $\frac { 4 } { 3 } V$ (2) $\frac { V } { 2 }$ (3) $V$ (4) $\frac { 3 V } { 2 }$
If $V$ is the gravitational potential due to sphere of uniform density on its surface, then its value at the centre of sphere will be:\\
(1) $\frac { 4 } { 3 } V$\\
(2) $\frac { V } { 2 }$\\
(3) $V$\\
(4) $\frac { 3 V } { 2 }$