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

  • question_answer
    If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be [MNR 1998]

    A) g/2

    B)               4g

    C)             g/4      

    D)             2g

    Correct Answer: B

    Solution :

                    \[g=\frac{GM}{{{R}^{2}}}.\] If radius shrinks to half of its present value then g will becomes four times.


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