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What is capillary ?...

What is capillary ?

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Explore conceptually related problems

Water rises in a capillary upto a height h . If now this capillary is tilted by an angle of 45^(@) then the length of the water column in the capillary becomes-

Water rises to a height of 20 mm in a capillary . If the radius of the capillary is made (1)/(3) rd of its previous is made then what is the new value of the capillary rise ?

If meniscus is convex then liquid ……. In capillary and it is concave then liquid …… in capillary . (depressed/rising up)

When the capillary is kept in water , water ….. In capillary while it kept in mercury ,the mercury …. In capillary. (write proper word : depressed /rising up

Water rises to a height h in a capillary at the surface of earth. On the surface of the moon the height of water column in the same capillary will be-

Water rises to height h' in capillary tube .If the length of capillary tube above the surface of water is made less than 'h' then ……..

Why does the mercury fall in a capillary tube ?

Under a constant pressure, the rate of flow of liquid through capillary is V. if the length of capillary is doubled and the diameter of the bore is halved, the rate of flow would be ……

Water rises to a height of 10cm in a glass capillary tube. If the area of cross section of the tube is reduced to one fourth of the former value what is the height of water rise now?

The rate of flow of liquid through a capillary tube in an experiment to determine the viscosity of the liquid increases

KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION-A Try Yourself (VSQs)
  1. What is the effect of increasing temperature on surface tesion ?

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  2. Define angle of contact .

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  3. Give reason : Wing of duck cannot wet in water

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  4. Liquid is stick to the glass then angle of contact for liquid glass wi...

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  5. The angle of contact between mercury and glass is ……. Angle

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  6. The cohesive force between the molecules of liquid is more than the co...

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  7. The cohesive force between the molecules of liquid is less than the co...

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  8. A large pressure exerted on the surface of liquid having shape of …….....

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  9. Bubble in water have ….. Free surface

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  10. Bubble in air have …… free surface

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  11. Rain drop have ……. Free surface

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  12. Write the equation of excess pressure (pressure difference) for the bu...

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  13. At a depth of 1000m in an ocean (a) What is the absolute pressure? (b)...

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  14. What is capillary ?

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  15. Give two practical illustrations of caplilary.

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  16. When the capillary is kept in water , water ….. In capillary while it ...

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  17. Write the formula for height of liquid column in capillary .

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  18. Smaller the radius of the capillary tube ,….. The height of the colum...

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  19. If meniscus is convex then liquid ……. In capillary and it is concave t...

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  20. Give reason : Lighting of lamp is due to wick of lamp .

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