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MGIMS WARDHA MGIMS WARDHA Solved Paper-2012

  • question_answer
    A satellite of mass m, revolving round a planet of mass Min a circular orbit of radius r, then orbital velocity of the satellite is

    A)  \[\frac{mg}{r}\]                                              

    B)  \[\sqrt{\frac{GM}{r}}\]

    C)  \[\sqrt{\frac{2GM}{r}}\]                             

    D)  \[\frac{GM}{r}\]

    Correct Answer: B

    Solution :

                    Orbital velocity\[{{v}_{o}}=\sqrt{\frac{GM}{r}}\]where,\[r=\]radius of circular path.


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