AFMC AFMC Solved Paper-2011

  • question_answer
    The dimensions of Planck's constant is same as that of

    A) angular momentum       

    B) linear momentum

    C) work                                     

    D)  coefficient of viscosity

    Correct Answer: A

    Solution :

    Dimensions of Planck's constant \[h=\]Dimension of \[\frac{E}{V}\] \[=\frac{[M{{L}^{2}}{{T}^{-2}}]}{[{{T}^{-3}}]}=[M{{L}^{2}}{{T}^{-1}}]\] Dimensions of angular momentum h = Dimension of mvr \[=[ML{{T}^{-1}}][L]\] \[=[M{{L}^{2}}{{T}^{-1}}]\]


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