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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Self Evaluation Test - Gravitation

  • question_answer
    The height of the point vertically above the earth's surface, at which acceleration due to gravity becomes 1 % of its value at the earth's surface is (Radius of the earth = R)

    A) 8 R      

    B) 9 R  

    C) 10 R

    D) 20 R

    Correct Answer: B

    Solution :

    [b] \[\frac{g'}{g}={{\left( \frac{R}{R+h} \right)}^{2}}\Rightarrow \frac{1}{100}={{\left( \frac{R}{R+h} \right)}^{2}}\]


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