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JEE Main & Advanced Physics Mathematical Tools, Units & Dimensions Question Bank Self Evaluation Test - Physical World, Units and Measurements

  • question_answer
    The physical quantity that has no dimensions is

    A)  Strain 

    B)  angular velocity

    C)  Angular momentum

    D)  linear momentum

    Correct Answer: A

    Solution :

    [a] \[Strain=\frac{Change\,in\,length}{Original\,length}\] Hence no dimension.


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