NEET Physics Mathematical Tools, Units & Dimensions Question Bank Dimensions

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    Dimensions of coefficient of viscosity are [AIIMS 1993; CPMT 1992; Bihar PET 1984; MP PMT 1987, 89, 91; AFMC 1986;  CBSE PMT 1992; KCET 1994; DCE 1999; AIEEE 2004; DPMT 2004]

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

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

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

    D)             \[MLT\]

    Correct Answer: C

    Solution :

                    \[F=-\eta \,.\,A\frac{dv}{dx}\Rightarrow [\eta ]\,=\,[M{{L}^{-1}}{{T}^{-1}}]\]


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