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NEET UG PHYSICS MCQ: MECHANICAL PROPERTIES OF FLUIDS
1
Medium
1 of 1
Application
+4 | -1
The rate of flow of liquid through a capillary tube of radius is when the pressure difference across the two ends of the capillary is . If pressure is increased by 3 and radius is reduced to , then the rate of flow becomes
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Correct option: C
Option C () is correct because the rate of flow is proportional to the pressure difference and the fourth power of the radius, so increasing the pressure by a factor of 4 and halving the radius results in a flow rate that is 1/4 of the original.
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With the increase in temperature viscosity of a liquid -
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Reason R: A change in the pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and to the walls of its container.
In the light of the above statements, choose the most appropriate answer from the options given below. Hydraulic lifts and hydraulic brakes are based
on As the temperature of a liquid is raised, the coefficient of viscosity A horizontal pipe of cross-sectional diameter 5 cm carries water at velocity of . The pipe is connected to a smaller pipe with a cross-sectional diameter 4 cm. the velocity of water through the smaller pipe is If two soap bubble of different radii are connected by a tube
Assertion A: When you squeeze one end of a tube to get toothpaste out from the other end, Pascal's principle is observed.
Reason R: A change in the pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and to the walls of its container.
In the light of the above statements, choose the most appropriate answer from the options given below. Hydraulic lifts and hydraulic brakes are based
on As the temperature of a liquid is raised, the coefficient of viscosity A horizontal pipe of cross-sectional diameter 5 cm carries water at velocity of . The pipe is connected to a smaller pipe with a cross-sectional diameter 4 cm. the velocity of water through the smaller pipe is If two soap bubble of different radii are connected by a tube