If the gravitational acceleration at surface of Earth is $g$, then increase in potential energy in lifting an object of mass $m$ to a height equal to half of radius of earth from surface will be
If the gravitational acceleration at surface of Earth is $g$, then increase in potential energy in lifting an object of mass $m$ to a height equal to half of radius of earth from surface will be
- A
$\frac{{mgR}}{2}$
- B
$\frac{{2mgR}}{3}$
- C
$\frac{{mgR}}{4}$
- D
$\frac{{mgR}}{3}$
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