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The property by virtue of which a liquid opposes relative motion between its different layers is called
- a)Surface tension
- b)Cohesion
- c)Viscosity
- d)Capillarity
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The property by virtue of which a liquid opposes relative motion betwe...
From the definition of viscosity, viscosity is the resistance offered by the one layer of fluid on another layer and opposes relative motion between.
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The property by virtue of which a liquid opposes relative motion betwe...
Viscosity
Viscosity is the property of a fluid that opposes relative motion between its different layers. It is also known as the internal friction of a fluid. This property arises due to the cohesive forces between the molecules of the fluid.
Explanation:
Viscosity is a measure of the resistance of a fluid to flow. It is caused by the interaction of the molecules of the fluid with each other. The intermolecular forces between the molecules in a fluid cause them to stick together, which makes it difficult for them to slide past each other.
The resistance to flow of a fluid is directly proportional to its viscosity. A fluid with high viscosity flows more slowly than a fluid with low viscosity.
Examples:
- Honey has a high viscosity, which is why it flows slowly.
- Water has a low viscosity, which is why it flows quickly.
Importance:
Viscosity is an important property of fluids that has many practical applications. For example, it affects the performance of lubricants, paints, and adhesives. It also plays a role in the flow of blood and other bodily fluids.
Measurement:
Viscosity can be measured using various instruments, such as a viscometer or a rheometer. These instruments apply a shear stress to the fluid and measure the resulting deformation. The viscosity of the fluid can then be calculated from the measured data.
Conclusion:
Viscosity is an important property of fluids that arises due to the cohesive forces between the molecules of the fluid. It is measured using various instruments and has many practical applications.
Viscosity is the property of a fluid that opposes relative motion between its different layers. It is also known as the internal friction of a fluid. This property arises due to the cohesive forces between the molecules of the fluid.
Explanation:
Viscosity is a measure of the resistance of a fluid to flow. It is caused by the interaction of the molecules of the fluid with each other. The intermolecular forces between the molecules in a fluid cause them to stick together, which makes it difficult for them to slide past each other.
The resistance to flow of a fluid is directly proportional to its viscosity. A fluid with high viscosity flows more slowly than a fluid with low viscosity.
Examples:
- Honey has a high viscosity, which is why it flows slowly.
- Water has a low viscosity, which is why it flows quickly.
Importance:
Viscosity is an important property of fluids that has many practical applications. For example, it affects the performance of lubricants, paints, and adhesives. It also plays a role in the flow of blood and other bodily fluids.
Measurement:
Viscosity can be measured using various instruments, such as a viscometer or a rheometer. These instruments apply a shear stress to the fluid and measure the resulting deformation. The viscosity of the fluid can then be calculated from the measured data.
Conclusion:
Viscosity is an important property of fluids that arises due to the cohesive forces between the molecules of the fluid. It is measured using various instruments and has many practical applications.
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The property by virtue of which a liquid opposes relative motion between its different layers is calleda)Surface tensionb)Cohesionc)Viscosityd)CapillarityCorrect answer is option 'C'. Can you explain this answer?
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