Question

wht is coefficient viscosity..

Answer 1

coefficient of viscosity. n. pl. coefficients of viscosity. The degree to which a fluid resists flow under an applied force, measured by the tangential friction force per unit area divided by the velocity gradient under conditions of streamline flow.

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Answer 2

Coefficient of viscocity is n ( pronounced as eta )
SI unit of viscosity is poiseulle pi
n = FL /vA