1.

According to Newton, the viscous force acting between liquid layers of area A and velocity gradient (Deltav)/(Delta z)is given by F = - eta A (dv)/(dz) , where eta is constant called coefficient of viscosity. The dimensional formula of is

Answer»

`[ ML^(-2) T^(-2)]`
`[M^(0) L^(@) T^(@)]`
`[ML^(2)T^(-2)]`
`[ML^(-1) T^(-1)]`

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