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Explain why water wets glass....

Explain why water wets glass.

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MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
  1. Explain what happens to the energy used to blow a soap bubble ?

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

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  3. Explain why water wets glass.

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  4. The radius of soap bubble is increased to double its initial size. Cal...

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  5. Show graphically the nature of intermolecular forces when the distance...

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  6. If the radius of capillary tube is doubled, what changes will take pla...

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  7. Explain why the shape of a small mercury drop is spherical.

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  8. State the Archimedes principle.

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  9. A big mercury drop is broken into n identical smaller droplets. Assumi...

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  10. A mercury drop does not wet glass whereas a water drop sticks to glass...

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  11. Explain surface energy. How it is connected with surface tension?

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  12. Find the work done in doubling the diameter of soap bubble.

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  13. Water rises to a height h in a glass capillary tube when dipped vertic...

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  14. Why does soap help cleaning clothes?

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  15. Calculate the excess inside a soap bubble of radius 5mm, given surface...

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  16. Why is it the needle may float on clean water but will sink when some ...

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  17. The capillary rise in a tube is 12cm, when dipped in a given liquid, w...

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  18. Define surface tension. Show that this is a molecular phenomenon.

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  19. Explain surface energy. How it is connected with surface tension?

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  20. Derive an expression for the capillary rise of a liquid.

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