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A liquid drop of diameter ‘D’ breaks int...

A liquid drop of diameter ‘D’ breaks into 27 tiny droplets. Find the resultant change in surface energy if T is the surface tension of the liquid.

A

`2piTD^(2)`

B

`4piTD^(2)`

C

`piTD^(2)`

D

none of these

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A
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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 1 (Surface Tension)
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  2. The radius of soap bubble is R and surface tension of soap solution is...

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  3. A liquid drop of diameter ‘D’ breaks into 27 tiny droplets. Find the r...

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  4. The adjoining diagram shows three soap bubbles A, B and C prepared by ...

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  5. Pressure inside two soap bubbles is 1.01 and 1.02 atmosphere. Ratio be...

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  6. An air bubble is lying just below the surface of water. The surface te...

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  7. If two soaps bubble of equal radii r coalesce, then the radius of curv...

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  8. A soap bubble in vacuum has a radius of 3 cm ad another soap bubble in...

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  9. Shape of menuscus of a liquid of zero angle of contact is

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  10. If a water drop is kept between two glass plates, then its shape is

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  11. If a wax coated capillary tube is dipped in water, then water in it wi...

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  12. Water rises to a height 'h' in capillary tube. If the length of capill...

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  13. Two capillary tubes of same diameter are put vertically one each in tw...

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

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  15. Water rises to a height of 16.3 cm in a capillary of height 18 cm abov...

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  16. The height to which water rises in a capillary will be

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  17. Water rises in a capillary tube to a height 4 cm. If the tube is incli...

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  18. When a capillary tube is immersed in a liquid, then liquid of mass M r...

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  19. Force required to separate two glass plates of area 100 cm^2 with a ...

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  20. A vessel, whose bottom has round holes with diameter of 0.1 mm , is fi...

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