Define VISCOSITY?????????????????
and write it's formula
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Viscosity, resistance of a fluid (liquid or gas) to a change in shape, or movement of neighbouring portions relative to one another.
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Viscosity of Water in SI Units
The rate of flow of the viscous liquid is proportional to the fourth power of the inner radius of the tube and inversely proportional to the viscosity of the liquid and the length of the tube. The formula for the coefficient of viscosity of water is given by, η = π P ໗ ^ 4 / 8 Ⅴ l.
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