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JIPMER Jipmer Medical Solved Paper-2002

  • question_answer
    A particle having angular momentum A. The angular momentum becomes 4 A after 4 seconds. The torque applied is:

    A)  A/4                                       

    B)  \[\frac{3A}{4}\]                               

    C)         3A                         

    D)         4A

    Correct Answer: B

    Solution :

    As we know \[\tau =\frac{\Delta \,L}{t}\] where L is momentum \[=\frac{4A-A}{4}=\frac{3A}{4}\]


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