JEE Main & Advanced Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Conservation of Energy and Momentum

  • question_answer
    Two masses of 1kg and 16kg are moving with equal K.E. The ratio of magnitude of the linear momentum is                         [AIEEE 2002]

    A)                 1 : 2       

    B)                 1 : 4

    C)                 \[1\,:\,\sqrt{2}\]              

    D)                 \[\sqrt{2}\,:\,1\]

    Correct Answer: B

    Solution :

                        \[P=\sqrt{2mE}.\] \[P\propto \sqrt{m}\]\ \[\frac{{{P}_{1}}}{{{P}_{2}}}=\sqrt{\frac{1}{16}}=\frac{1}{4}\]


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