# A body of mass m is placed on the earth surface is taken to a height of h= 3R …

Q: A body of mass m is placed on the earth surface is taken to a height of h = 3R m then, change in gravitational potential energy is

(a) $\displaystyle \frac{m g R}{3}$

(b) $\displaystyle \frac{3 m g R}{5}$

(c) $\displaystyle \frac{3 m g R}{4}$

(d) $\displaystyle \sqrt{3 m g R}$

Ans: (c)