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NEET Sample Paper NEET Sample Test Paper-52

  • question_answer
    If 'g' is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass 'm' raised from the surface of the earth to a height equal to the radius 'R' of the earth is-

    A) \[2\text{ }mgR\]            

    B) \[1/2mgR\]

    C) \[1/4\text{ }mgR\]                      

    D) \[mgR\]

    Correct Answer: B

    Solution :

    \[\Delta U=\frac{mgh}{1+\frac{h}{R}}\]


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