If orbital velocity of planet is given by $v = {G^a}{M^b}{R^c}$, then

  • A

    $a = 1/3,\,b = 1/3,\,c = - 1/3$

  • B

    $a = 1/2,\,b = 1/2,\,c = - 1/2$

  • C

    $a = 1/2,\,b = - 1/2,\,c = 1/2$

  • D

    $a = 1/2,\,b = - 1/2,\,c = - 1/2$

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