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JEE Main & Advanced Sample Paper JEE Main Sample Paper-3

  • question_answer
    The correct graph between the gravitational potential \[({{V}_{g}})\]due to a hollow sphere and distance from its centre will be

    A)                                   

    B)

    C)                                

    D)

    Correct Answer: C

    Solution :

     Inside the sphere, V is constant and is equal to that on the surface of the sphere. Outside the sphere it comes out to be, \[\text{V=-Gm/r}\] i.e. \[|\text{V}|\propto 1/r.\] Hence the graph [c] is correct.


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