Unit of coefficient of dynamic viscosity is

N m s^{- 2}

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N m^{- 2} s

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N m^{2} s^{- 2}

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N m s^{- 1}

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Solution

The correct option is C $N m^{- 2} s$
The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress.
It is given as $\frac{F / A}{\nabla v} = \frac{F / A}{v / y}$
The units for the corresponding terms are
$U n i t_{v i s c o s i t y} = \frac{N / m^{2}}{(m / s) / m}$ $= N m^{- 2} s$

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Similar questions

What is SI unit of viscosity coefficient $(η)$ ?

(a) Pascal (b) $N s m^{- 2}$ (c) $k m^{- 2} s$ (d) $N m^{- 2}$

18 {kmh}^{- 1}

5 m

η = 10^{- 3} Pa.s

{(\frac{n^{m}}{n^{n}})}^{l} \times {(\frac{n^{n}}{n^{l}})}^{m} \times {(\frac{n^{l}}{n^{m}})}^{2} = 1

20 m

10 m s^{- 1}

N m^{- 2}

= 10^{- 3}

N m s^{- 1}

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