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J & K CET Engineering J and K - CET Engineering Solved Paper-2012

  • question_answer
    The flux density of mass is defined as the amount of mass crossing unit area per unit time. The dimensions of this quantity is

    A)  \[[M{{L}^{-2}}{{T}^{-1}}]\]

    B)  \[[M{{L}^{2}}{{T}^{-1}}]\]

    C)  \[[ML{{T}^{-1}}]\]   

    D)  \[[{{M}^{-1}}{{L}^{-2}}T]\]

    Correct Answer: A

    Solution :

    Flux density of mass \[=\frac{Amount\,\,of\,\,mass}{Area\times time}\] \[=\frac{[M]}{[{{L}^{2}}][T]}\] \[=[M{{L}^{-2}}{{T}^{-1}}]\]


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