An object is taken to height $2 R$ above the surface of earth, the increase in potential energy is $[R$ is radius of earth]

  • A

    $\frac{m g R}{2}$

  • B

    $\frac{m g R}{3}$

  • C

    $\frac{2 m g R}{3}$

  • D

    $2 m g R$

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