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NEET Physics Mathematical Tools, Units & Dimensions Question Bank Dimensions

  • question_answer
    The quantities \[A\]and \[\times \] are related by the relation, \[[ML{{T}^{-1}}]\], where \[m\] is the linear density and \[A\] is the force. The dimensions of \[B\] are of

    A) Pressure          

    B) Work

    C) Latent heat     

    D) None of the above

    Correct Answer: C

    Solution :

        \[m\] = linear density = mass per unit length = \[\left[ \frac{M}{L} \right]\] A= force =\[[ML{{T}^{-2}}]\ \]\ [B]=\[\frac{[A]}{[m]}=\frac{[ML{{T}^{-2}}]}{[M{{L}^{-1}}]}\]\[=[{{L}^{2}}{{T}^{-2}}]\] This is same dimension as that of latent heat.


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