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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Gravitation Potential

  • question_answer
    A particle falls towards earth from infinity. It?s velocity on reaching the earth would be                                   [Orissa JEE 2003]

    A) Infinity

    B)               \[\sqrt{2gR}\]

    C)             \[2\sqrt{gR}\]  

    D)             Zero

    Correct Answer: B

    Solution :

                    This should be equal to escape velocity i.e.\[\sqrt{2gR}\]


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