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Explain molecular range and surface film...

Explain molecular range and surface film ?

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MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
  1. What is meant by angle of contact, in which case it is acute or obtuse...

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  2. Why some liquid wet the solids while others do not?

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  3. Explain molecular range and surface film ?

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  4. Define surface tension. Give examples how liquid surface behaves as a ...

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  5. Deduce an expression for excess of pressure. Differentiate it in case ...

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  6. What is capillarity? Explain the phenomenon of concave and convex meni...

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  7. Why a needle may float on clear water but sink when some detergent is ...

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  8. Explains why particles of camphor exhibit vigorous movement on the sur...

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  9. Explain how glue works?

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  10. In terms of molecular forces what difference do you find between solde...

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  11. From where the energy come when liquid rises against gravity in a capi...

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  12. What are the factors affecting surface tension?

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  13. Why is it not wise to the touch the inner surface of an umbrella while...

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  14. Explain how a pond skater can walk on water but but a person cannot.

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  15. Distinguish between cohesion and adhesion.

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  16. Distinguish between surface tension and surface energy.

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  17. Explain why a small piece of soap fixed to the back of a card board th...

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  18. A water drop has a diameter of 2 xx 10^-5m. Calculate the excess press...

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  19. What is the nature of inter-molecular forces at short distance and at ...

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  20. Explain why water spreads but not the mercury on clean glass plate.

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