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n droplets of equal size of radius r coa...

n droplets of equal size of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to

A

`4piR^2T[n^(1/3)-1]`

B

`4pir^2T[n^(1/3)+1]`

C

`4piR^2T[n^(2/3)-1]`

D

`4pir^2T[n^(2/3)-1]`

Text Solution

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
  1. The surface tension of soap solution is 25 xx 10^-3 N//m. The excess o...

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  2. A liquid does not wet the sides of solid if angle of contact is..........

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  3. n droplets of equal size of radius r coalesce to form a bigger drop of...

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  4. Two bubbles A and B (A>B) are joined through a narrow tube, then

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  5. Radius of soap bubble is r. The surface tension of soap solution is T....

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  6. A capillary tube of radius r can support a liquid of weight 6.28 xx 10...

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  7. The pressure just below the meniscus of water.......

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  8. A square frame of length L is immersed in a soap solution and taken ou...

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  9. When NaCl is dissolved into water, then its surface tension

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  10. Water rises to capillary tube to a height of 4 cm. If radius of the tu...

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  11. A soap bubble has radius 2 cm. The work done to double the radius is (...

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  12. The surface tension of water at 0^@C is 72 dyne/cm, surface tension of...

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  13. The angle of contact between glass and mercury is

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  14. As the length of the capillary tube is insufficient the rise of liquid...

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  15. The correct relation is

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  16. Surface tension of soap solution is 2 xx 10^-2 N//m. The work done in ...

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  17. The angle of contact between glass and mercury is

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  18. Angle of contact varies between

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  19. Meniscus of Hg in capillary is

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  20. If the surface tension of liquid is T, the work required to increase, ...

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