The unit of the coefficient of viscosity i

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The unit of the coefficient of viscosity in $S.I.$ system is

A

$m/kg{\rm{ - }}s$

B

$m{\rm{ - }}s/k{g^2}$

C

$kg/m{\rm{ - }}{s^2}$

D

$kg/m{\rm{ - }}s$

The unit of the coefficient of viscosity in $S.I.$ system is

$[\eta ] = M{L^{ - 1}}{T^{ - 1}}$ so its unit will be $kg/m-sec.$