Question

state Newton's law of viscosity hence define coefficient of viscosity. write its S.I. unit and dimension​

Answer 1

Answer:

Newton’s viscosity law’s states that, the shear stress between adjacent fluid layers is proportional to the velocity gradients between the two layers.

The ratio of shear stress to shear rate is a constant, for a given temperature and pressure, and is defined as the viscosity or coefficient of viscosity.

the SI Unit of viscosity is Pascal second

Dimensional Formula of Coefficient of viscosity (η)=[M1L

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Answer 2

Answer:

The coefficient of viscosity of a liquid is defined as the viscous force acting tangentially per unit area of a liquid layer having a unit velocity gradient.

Explanation:

Newton's viscosity law's states that, the shear stress between adjacent fluid layers is proportional to the velocity gradients .