1.The change in the gravitational potential energy when a body of mass mmm is raised to a height nRnRnR above the surface of the earth is (here RRR is the radius of the earth):a.nn+1mgR\frac{n}{n+1} mgRn+1nmgRb.nn−1mgR\frac{n}{n-1} mgRn−1nmgRc.nmgRn mgRnmgRd.mgRn\frac{mgR}{n}nmgRLogin to continueOnly logged in users canattempt or see the solution.