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NEET UG PHYSICS MCQ: MECHANICAL PROPERTIES OF FLUIDS
1
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Two capillaries P and Q are dipped in water. The height of water level in capillary P is 2/3 to the height in Q capillary. The ratio of diameter is
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Correct option: B
0.126388889
Answer A (0.085416667) is incorrect. Answer B (0.126388889) is correct because the height of the water level is inversely proportional to the radius (or diameter) of the capillary tube.
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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