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Mechanical Properties of Fluids — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsMechanical Properties of Fluids2 Marks
Question
Define coefficient of viscosity. State its formula and S.I. units.
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Answer

The coefficient of viscosity is defined as the viscous force per unit area per unit velocity gradient.
Formula: \(\eta=\frac{f}{A\left(\frac{d v}{d x}\right)}\)
SI unit: \(Ns / m ^2\)

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