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A soap bubble of radius 'a' is blown so ...

A soap bubble of radius 'a' is blown so that it's diameter is doubled. If T is surface tension of water, the energy required to do this at constant temperature, calculate?

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A water drop of radius R is split into n smaller drops each of radius r. IF T is the surface tension of water, then what the work done in this process.

MBD PUBLICATION-MECHANICAL PROPERTIES OF FLUID (LIQUID AT REST)-QUESTION BANK
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  7. On what fators angle of contact depends?

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  8. Why the angle of contact is zero, less than 90^@, equal to 90^@ and gr...

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  10. A tube of insufficient length is dipped in a liquid, does the liquid o...

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  14. Explain pressure difference across the surface of a film?

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  15. Why oil spreads the surface of water?

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  16. Explain jurin's law in flow of liquid in capillary tube?

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  17. What are drawbacks of the capillary rise method?

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  18. Why farmers plough their fields in summer?

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