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DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    A point mass is placed inside a thin spherical shell of radius \[H\] and mass \[M\] at a distance R/2 from the centre of the shell. The gravitational force exerted by the shell on the point mass is.

    A) \[\frac{GM}{2{{R}^{2}}}\]

    B)  \[\frac{GM}{2{{R}^{2}}}\]

    C)  zero

    D)  \[\frac{GM}{4{{R}^{2}}}\]

    Correct Answer: C

    Solution :

     Intensity due to spherical shell inside the surface \[I=0\] Gravitational field \[F=\operatorname{Im}\] \[F=0\times m=0\] \[F=0\]


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