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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Acceleration Due to Gravity

  • question_answer
    At what height from the ground will the value of ?g? be the same as that in 10 km deep mine below the surface of earth                [RPET 1999]

    A) 20 km

    B)               10 km

    C)             15 km 

    D)             5 km

    Correct Answer: A

    Solution :

        Same change in the value of g can be observed at a depth x and height 2x given \[d=x=10\,km\,\,\,\,\therefore \,\,h=2x=20\,\,km\]


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