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If the molecules of body repel to each o...

If the molecules of body repel to each other then the area of surface …… and surface energy ……(increases decreases write proper word)

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If the molecules of substance attracts each other then the area of surface and ….. And surface energy ……(increases / decreases , write proper word)

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KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION-A Try Yourself (VSQs)
  1. A surface of one liquid , is in contact with other liquid or surface o...

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  2. If the molecules of substance attracts each other then the area of sur...

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  3. If the molecules of body repel to each other then the area of surface ...

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  4. Explain surface tension in the context of potential energy.

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  5. Explain surface tension in the context of potential energy.

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  6. Write two units of surface tension .

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  7. Show that ("Joule")/("metre")=("Newton")

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  8. Give the dimensional formula of surface tension.

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  9. On what the value of surface tension depends ?

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

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  11. Define angle of contact .

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

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

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

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

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

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

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  18. Bubble in water have ….. Free surface

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  19. Bubble in air have …… free surface

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  20. Rain drop have ……. Free surface

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