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

  • question_answer
    In equation\[r={{m}^{2}}sin\pi t\] , where t represents time. If the unit of m is N, then the unit of r is

    A) N

    B) \[{{N}^{2}}\]  

    C)  Ns

    D)  \[{{N}^{2}}s\]

    Correct Answer: B

    Solution :

    [b] Trigonometric ratio are a number and hence dimensionless


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