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Discuss the effect of presence of impuri...

Discuss the effect of presence of impurities and the temperature on the surface tengion of a liquid.

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PRADEEP-PROPERTIES OF BULK MATTER-Short Answer Questions
  1. What is surface tension? Define angle of contact of a liquid with a so...

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

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

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

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

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

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  7. Explain the difference between solid friction and viscosity.

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

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

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

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

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

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

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

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

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  16. A small sphere of mass 'm' is dropped from a great height. After it ha...

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  17. A parachute is advised to be used by a person, while jumping out of an...

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  18. What happens when the velocity of the liquid flowing through a horizon...

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  19. The velocity of water in a river is less on the bank and large in the ...

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  20. Deep water runs slow. Explain.

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