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Explain surface energy. Establish its re...

Explain surface energy. Establish its relation with surface tension.

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PRADEEP-PROPERTIES OF BULK MATTER-Short Answer Questions
  1. State the various units of atmospheric pressure.

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  2. Describe a simple experiment for measuring the surface tension of a li...

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  3. Explain surface energy. Establish its relation with surface tension.

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  4. Show that there is always an excess pressure on the concave side of th...

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  5. What do you understand by angle of contact? On what factors does it de...

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  6. What is surface tension? Define angle of contact of a liquid with a so...

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  7. What happens when a capillary tube of insufficient length is dipped in...

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  8. Discuss the effect of presence of impurities and the temperature on th...

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  9. How dirty clothes can be cleaned using a detergent in hot water?

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  10. Write two factors affecting viscosity. Which one is more viscous : Pur...

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  11. Under a constant pressure head, the rate of streamlined volume flow o...

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  12. Explain the difference between solid friction and viscosity.

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  13. Explain the effect of (i) density (ii) temperature and (iii) pressu...

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  14. Two capillaries of same length and radius in the ratio of 1:2 are conn...

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  15. A small ball of mass m and density rho is dropped in a viscous liquid ...

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  16. Give an example for a force proportional to velocity . Prove that term...

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  17. Two equal drops of water are falling through air with a steady velocit...

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  18. The cloud's are seen floating in the sky. Why?

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  19. How will the weight of a body be affected, when it falls with its term...

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  20. The velocity of fall of a man jumping with a parachute first increases...

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