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The rate of flow of water in a capillary...

The rate of flow of water in a capillary tube of length l and radius r is V. The rate of flow in another capillary tube of length 21 and radius 2 r for same pressure difference would be

A

16 V

B

9 V

C

8 V

D

2 V

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SL ARORA-Mechanical Properties of fluids-Exercise
  1. The rate of flow of liquid in a tube of radius r, length l, whose ends...

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  2. Two capillary of length L and 2L and of radius R and 2R are connected ...

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  3. The rate of flow of water in a capillary tube of length l and radius r...

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  4. An object is moving through the liquid. The viscous damping force acti...

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  5. A body of density D1 and mass M is moving downward in glycerine of den...

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  6. A steel ball is dropped in oil, then

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  7. A sphere of mass M and radius R is falling in a viscous fluid. The ter...

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  8. The ratio of the terminal velocities of two drops of radii R and R//2 ...

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  9. The radii of two drops are in the ratio of 3 : 2, their terminal veloc...

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  10. Two rain drops of same radius r falling with terminal velocity v merge...

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  11. Which one is not a dimensional number ?

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  12. The Reynold's number for fluid flow in a pipe is independent of

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  13. What is meant by critical velocity of a liquid?

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  14. The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-...

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  15. While studying about fluid mechanics, the equations and postulates sta...

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  16. Bernoulli's equation is conservation of

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  17. An aeroplane gets its upward lift due to a phenomenon described by the

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  18. Water flows along horizontal pipe whose cross-section is not constant....

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  19. The rate of flow of liquid through an orifice of a tank does not depen...

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  20. In a container, filled with water upto a height h, a hole is made in t...

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