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The cohesive force between the molecules...

The cohesive force between the molecules of liquid is more than the cohesive force between the molecules of plate then angle of contact obtain is …..(acute /obtuse) and free surface has shape ….. (concave/convex)

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The cohesive force between the molecules of liquid is less than the cohesive force between the molecules of plate then angle of contact obtain is …. (acute /obtuse) and free surface has shape ….(concave/convex)

If a liquid does wet the surface ,its angle of contact is acute or obtuse ?

Liquid is stick to the glass then angle of contact for liquid glass will be obtain …..(acute /obtuse)

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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