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NEET Sample Paper NEET Sample Test Paper-85

  • question_answer
    The kinetic energy of a body becomes four times its initial value. The new momentum will be

    A) same as initial value

    B) twice the initial value

    C) thrice the initial value

    D) four times the initial value

    Correct Answer: B

    Solution :

    [b] \[K=\frac{{{p}^{2}}}{2m}\]\[\Rightarrow \]\[P=\sqrt{2\,\,Km}\] as K is made four times P will become two times.


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