NEET Sample Paper NEET Sample Test Paper-32

  • question_answer 31) If the increase in kinetic energy of a body is 21 % then the increase in the momentum is:-

    A)  22 %         

    B)  44%

    C)  10%            

    D)  300%

    Correct Answer: C

    Solution :

    \[\frac{{{P}_{2}}-{{P}_{1}}}{{{P}_{1}}}=\frac{\sqrt{{{E}_{2}}}-\sqrt{{{E}_{1}}}}{\sqrt{{{E}_{1}}}}\]

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