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What is the effect of increasing tempera...

What is the effect of increasing temperature on surface tesion ?

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What is the effect of change in temperature on the Young's modulus ?

Statement-1: The angle of contact of a liquid decrease with increase in temeperature Statement-2: With increase in temperature the surface tension of liquid increase.

KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION-A Try Yourself (VSQs)
  1. Give the dimensional formula of surface tension.

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  2. On what the value of surface tension depends ?

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  3. What is the effect of increasing temperature on surface tesion ?

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  4. Define angle of contact .

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

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

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

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

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

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

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  11. Bubble in water have ….. Free surface

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  12. Bubble in air have …… free surface

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  13. Rain drop have ……. Free surface

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

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

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  16. What is capillary ?

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  17. Give two practical illustrations of caplilary.

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

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

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

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