1.

According to Newton, the viscous force acting between liquid layers of area A and velocity gradient \[\Delta v/\Delta z\] is given by \[F=-\eta A\frac{\Delta v}{\Delta z}\] where \[\eta \] is constant called coefficient of viscosity. The dimension of \[\eta \] are?                                                                                [JIPMER 2001, 02]

A.             \[[M{{L}^{2}}{{T}^{-2}}]\]        
B.             \[[M{{L}^{-1}}{{T}^{-1}}]\]
C.             \[[M{{L}^{-2}}{{T}^{-2}}]\]       
D.             \[[{{M}^{0}}{{L}^{0}}{{T}^{0}}]\]
Answer» C.             \[[M{{L}^{-2}}{{T}^{-2}}]\]       


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