RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    If the kinetic energy of a body increase by 0.1% then the percentage increase in its momentum will be:

    A)  0.05%                  

    B)         0.1%,                   

    C)  1.0%                    

    D)         10%

    Correct Answer: A

    Solution :

    Momentum \[{{p}^{2}}=2mE\] \[\frac{\Delta p}{p}=\frac{1}{2}\frac{\Delta E}{E}=\frac{1}{2}\times 0.1=0.05%\]


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