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

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

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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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