NEET Physics Mathematical Tools, Units & Dimensions Question Bank Dimensions

  • question_answer
    The dimensional formula for the modulus of rigidity is                     [MNR 1984; IIT 1982; MP PET 2000]

    A)             \[M{{L}^{2}}{{T}^{-2}}\]          

    B)             \[M{{L}^{-1}}{{T}^{-3}}\]

    C)             \[M{{L}^{-2}}{{T}^{-2}}\]         

    D)             \[M{{L}^{-1}}{{T}^{-2}}\]

    Correct Answer: D

    Solution :

                    Modulus of rigidity = \[\frac{\text{Shear}\ \text{stress}}{\text{Shear}\ \text{strain}}=\] \[[M{{L}^{-1}}{{T}^{-2}}]\]


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