Question

what are the illustrations of viscosity​

Answer 1

$\Large \text{ILLUSTRATIONS\: OF\: VISCOSITY}$

⚘ If we pour honey and water (they must be of same temperature)on a smooth surface, the honey will travel small distance compared to water. This is because, Honey is high viscous than water.

⚘ When a liquid in a vessel is stirred, the liquid comes to rest after sometime due to viscocity.

⚘ We can talk faster in air but not in water. This is because water is viscous than air .

Answer 2

The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness": for example, syrup has a higher viscosity than water.

The result is that liquids show a reduction in viscosity with increasing temperature. With high temperatures, viscosity increases in gases and decreases in liquids, the drag force will do the same.

The coefficient of viscosity is a measure of resistance to flow of the fluid. Dynamic viscosity μ is used in Darcy's law to calculate the rate of fluid flow in porous media. The relationship between viscosity and flow rate defines the rheology of the fluid.

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