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One large soap bubble of diameter D brea...

One large soap bubble of diameter D breaksinto 27 bubbles having surface tension T. The change in surface energy is

A

`2 pi TD^2`

B

`4 pi TD^2`

C

` pi TD^2`

D

`8 pi TD^2`

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SL ARORA-Mechanical Properties of fluids-Exercise
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  4. A mercury drop of radius 1 cm is broken into 10^6 droplets of equal si...

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  5. Two drops of equal radius coalesce to form a bigger drop. What is rati...

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  6. 8 mercury drops coalesce to form one mercury drop, the energy changes ...

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  7. If a mercury drop is divided into 8 equal parts, its total energy,

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  8. The excess pressure inside a soap bubble of radius 4 cm is 30 "dyne"//...

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  9. Pressure inside two soap bubble are 1.02 and 1.03 atm . Then ratio of ...

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  10. If a liquid does not wet glass, its angle of contact is

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  11. If a liquid does not rise or fall in a capillary tube , then its angle...

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  12. For different capillaries of radiusr,the condition of liquid rise (h) ...

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  13. In a capillary tube experiment, a vertical 30 cm long capillary tube i...

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  14. Given that the surface tension of water is 75 dyne/cm, its density 100...

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  15. Thrust of a liquid always acts to the surface of contact.

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  16. Pressure is a quantity and its SI unit is

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  17. Density is a quantity and its CGS unit is

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  18. of a substance is defined as the ratio of the density of the substance...

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  19. The density of pure water at 4^(@)C is ""

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  20. law deals with the transmission of fluid pressure.

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