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When wax is rubbed on cloth becomes wate...

When wax is rubbed on cloth becomes water proof, why?

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The capillaries formed in threads disappear when wax is rubbed on cloth.
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PRADEEP-PROPERTIES OF BULK MATTER-Very short answer questions
  1. What will be the effect on the angle of contact of a liquid if the tem...

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  2. what is the effect of impurities on the surface tension of liquid.

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  3. When wax is rubbed on cloth becomes water proof, why?

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  4. what is the effect of solute on the surface tension of liquid?

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  5. Water can rise up to a height of 10 cm in a capillary tube. If a capil...

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  6. A liquid of density rho and surface tension S rises to a height h in a...

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  7. Put a piece of chalk into water. The chalk will emit bubbles in all di...

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  8. How is the rise of liquid affected if top of the capillary is closed?

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  9. Why the tip of the nib of a pen is split?

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  10. What is the importance of wetting agents used by dyers?

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  11. What is the importance of water proofing agents?

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  12. A stirred liquid comes to rest after sometime. Why?

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  13. If water in one flask and castor oil in other area violently shaken an...

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  14. Out of friction force and viscous force which depends upon velocity.

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  15. Two liquids of densities rhp(1) and rho(2) coefficient of viscosity et...

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  16. The hotter liquid flows faster than the colder ones. Explain, why.

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  17. What are the SI unit and cgs unit of viscosity . Give the relation bet...

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  18. Why should the lubricant oil be of high viscosity?

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  19. What is the ac celeration of a body falling through a viscous medium a...

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  20. The diameter of Ballll A is twice of that of B. What will be the ratio...

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