The change in potential energy, when a body of mass m is raised to a height nR from the earth's surface is (R = Radius of earth) [MP PMT 1996]

The change in potential energy, when a body of mass m is raised to a h

1.	The change in potential energy, when a body of mass m is raised to a height nR from the earth's surface is (R = Radius of earth) [MP PMT 1996]
A.	\[mgR\frac{n}{n-1}\]
B.	nmgR
C.	\[4\times {{10}^{-3}}\,N\]
D.	\[mgR\frac{n}{n+1}\]
Answer» E.