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Which of the following is the unit of kinematic viscosity ?
- a)pascal
- b)poise
- c)stoke
- d)faraday
- e)none of the above
Correct answer is option 'C'. Can you explain this answer?
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Which of the following is the unit of kinematic viscosity ?a)pascalb)p...
The correct answer is option 'c) stoke'.
Kinematic viscosity is a measure of a fluid's resistance to flow under the influence of gravity. It is defined as the ratio of dynamic viscosity to density. The unit of kinematic viscosity is obtained by dividing the unit of dynamic viscosity by the unit of density.
Dynamic viscosity is a measure of a fluid's resistance to shear or flow. It is defined as the ratio of the shearing stress to the rate of shear deformation. The unit of dynamic viscosity is the poise, which is equal to dyne-second per square centimeter (dyn·s/cm²).
Density, on the other hand, is a measure of the mass per unit volume of a substance. The unit of density is typically kilograms per cubic meter (kg/m³) in SI units.
Therefore, to obtain the unit of kinematic viscosity, we divide the unit of dynamic viscosity (poise) by the unit of density (kg/m³). This gives us the unit of poise divided by kilogram per cubic meter (poise/(kg/m³)).
In the SI system, the unit of kinematic viscosity is called the stoke (symbol: St), named after the British physicist George Gabriel Stokes. One stoke is equal to one square centimeter per second (cm²/s).
So, the correct answer is option 'c) stoke'.
Kinematic viscosity is a measure of a fluid's resistance to flow under the influence of gravity. It is defined as the ratio of dynamic viscosity to density. The unit of kinematic viscosity is obtained by dividing the unit of dynamic viscosity by the unit of density.
Dynamic viscosity is a measure of a fluid's resistance to shear or flow. It is defined as the ratio of the shearing stress to the rate of shear deformation. The unit of dynamic viscosity is the poise, which is equal to dyne-second per square centimeter (dyn·s/cm²).
Density, on the other hand, is a measure of the mass per unit volume of a substance. The unit of density is typically kilograms per cubic meter (kg/m³) in SI units.
Therefore, to obtain the unit of kinematic viscosity, we divide the unit of dynamic viscosity (poise) by the unit of density (kg/m³). This gives us the unit of poise divided by kilogram per cubic meter (poise/(kg/m³)).
In the SI system, the unit of kinematic viscosity is called the stoke (symbol: St), named after the British physicist George Gabriel Stokes. One stoke is equal to one square centimeter per second (cm²/s).
So, the correct answer is option 'c) stoke'.
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Which of the following is the unit of kinematic viscosity ?a)pascalb)p...
Unit of kinematics viscosity is stoke while unit of dynamic viscosity is N-S/m²
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Which of the following is the unit of kinematic viscosity ?a)pascalb)poisec)stoked)faradaye)none of the aboveCorrect answer is option 'C'. Can you explain this answer?
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