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Hint: A liquid is a nearly incompressible fluid that conforms to its container's shape while maintaining a constant volume regardless of pressure. It is one of the four fundamental states of matter, and the only one having a set volume but no set shape.
Complete answer: Viscosity - The viscosity of a fluid is a measurement of its resistance to flow. Internal friction of a moving fluid is described by this term. Because of its molecular makeup, a fluid with a high viscosity opposes motion because it has a lot of internal friction. When a fluid has a low viscosity, it moves readily because its molecular nature causes very little friction.
Pascal seconds are used to test viscosity (Pa s). The viscosity will increase as the sphere's speed decreases. The higher the viscosity of a fluid, the greater resistance it provides to any item moving through it. Although all liquids have a certain viscosity, the viscosity of liquids is often classified as high or low, with the viscosity of water serving as a reference point.
Unit of viscosity can be written as $dyne{\kern 1pt} {\kern 1pt} s{\kern 1pt} {\kern 1pt} c{m^{ - 2}}$ .
So, the final answer is option(B) i.e. $dyne{\kern 1pt} {\kern 1pt} s{\kern 1pt} {\kern 1pt} c{m^{ - 2}}$ .
Note:
The principle of viscosity is as follows: When a layer of liquid is moved across a surface or another layer of the same liquid, the fluid particles tend to resist the movement; this resisting force is known as viscosity.
Complete answer: Viscosity - The viscosity of a fluid is a measurement of its resistance to flow. Internal friction of a moving fluid is described by this term. Because of its molecular makeup, a fluid with a high viscosity opposes motion because it has a lot of internal friction. When a fluid has a low viscosity, it moves readily because its molecular nature causes very little friction.
Pascal seconds are used to test viscosity (Pa s). The viscosity will increase as the sphere's speed decreases. The higher the viscosity of a fluid, the greater resistance it provides to any item moving through it. Although all liquids have a certain viscosity, the viscosity of liquids is often classified as high or low, with the viscosity of water serving as a reference point.
Unit of viscosity can be written as $dyne{\kern 1pt} {\kern 1pt} s{\kern 1pt} {\kern 1pt} c{m^{ - 2}}$ .
So, the final answer is option(B) i.e. $dyne{\kern 1pt} {\kern 1pt} s{\kern 1pt} {\kern 1pt} c{m^{ - 2}}$ .
Note:
The principle of viscosity is as follows: When a layer of liquid is moved across a surface or another layer of the same liquid, the fluid particles tend to resist the movement; this resisting force is known as viscosity.
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