Viscosity Fluid mechanics || viscosity in hindi || viscosity Class 11 || Viscosity derivation Hindi

In this video i have explained about viscosity definition and derivation

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What is Viscosity
What is Viscosity in hindi
Viscosity In hindi
Define Viscosity
Define Viscosity in hindi
Definition of Viscosity
Definition of Viscosity in hindi
Hindi mein Viscosity
Viscosity Kya hota hai
Viscosity Class 11 physics
Class 11 physics Viscosity in hindi
Viscosity Class 11 physics

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.[1]

Viscosity can be conceptualized as quantifying the internal frictional force that arises between adjacent layers of fluid that are in relative motion. For instance, when a fluid is forced through a tube, it flows more quickly near the tube's axis than near its walls. In such a case, experiments show that some stress (such as a pressure difference between the two ends of the tube) is needed to sustain the flow through the tube. This is because a force is required to overcome the friction between the layers of the fluid which are in relative motion: the strength of this force is proportional to the viscosity.

A fluid that has no resistance to shear stress is known as an ideal or inviscid fluid. Zero viscosity is observed only at very low temperatures in superfluids. Otherwise, the second law of thermodynamics requires all fluids to have positive viscosity;[2][3] such fluids are technically said to be viscous or viscid. A fluid with a high viscosity, such as pitch, may appear to be a solid.he state of being thick, sticky, and semi-fluid in consistency, due to internal friction.
"cooling the fluid raises its viscosity"
a quantity expressing the magnitude of internal friction in a fluid, as measured by the force per unit area resisting uniform flow.
plural noun: viscosities
"silicone oils can be obtained with different viscosities"
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Viscosity Fluid mechanics || viscosity in hindi || viscosity Class 11 || Viscosity derivation Hindi

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