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

  • question_answer
    If the radius of the earth shrinks by 1.5% (mass remaining same), then the value of acceleration due to gravity changes by                                  [BHU 1997]

    A) 1%      

    B)             2%

    C)             3%      

    D)             4%

    Correct Answer: C

    Solution :

                    \[g\propto \frac{1}{{{R}^{2}}}\] Percentage change in g = 2(percentage change in R)                                                  \[=2\times 1.5=-3%\]


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