We have already learned that viscosity (also called absolute or dynamic viscosity) is the property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid. In other words, viscosity is the property of a liquid which controls its rate of flow. The viscosity of a liquid is due to cohesion and interaction between particles.
In SI units, the unit of viscosity is Ns/m2 and in CGS units, it is expressed in poise, such that
1 poise = 0.1 Ns/m2
We have also discussed that the ratio of dynamic viscosity to the density of the liquid is called kinematic viscosity. In SI units, the unit of kinematic viscosity is m2/s and in CGS units, it is expressed in stoke, such that
![](data:image/png;base64,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)
In SI units, the unit of viscosity is Ns/m2 and in CGS units, it is expressed in poise, such that
1 poise = 0.1 Ns/m2
We have also discussed that the ratio of dynamic viscosity to the density of the liquid is called kinematic viscosity. In SI units, the unit of kinematic viscosity is m2/s and in CGS units, it is expressed in stoke, such that
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