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Two small drops of mercury, each of radi...

Two small drops of mercury, each of radius `R`, coalesce to form a single large drop. The ratio of the total surface energies before and after the change is

A

`1:2^(1//3)`

B

`2:^(1//3):1`

C

`2:1`

D

`1:2`

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The correct Answer is:
B
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MOTION-SURFACE TENSION-Exercise - 3 | Section- A Previous Year Problems | NEET/Other
  1. The surface tension of which of the following liquid is maximum?

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  2. Two small drops of mercury, each of radius R, coalesce to form a singl...

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  3. The surface tension of a liquid at its boiling point is

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  4. At critical temperature, the surface tension of a liquid

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

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  6. A capillary tube, made of glass is dipped into mercury. Then

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  7. Two soap bubbles each of radius r are touching each other. The radius ...

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  8. If the lower end of a capillary tube touches a liquid whose angle of...

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

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  10. Water rises in a capillary upto a height h. If now this capillary is t...

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  11. If the surface tension of water is 0.06 Nm^(-1), then then the capilla...

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  12. Two soap bubbles have radii in the ratio of 2:1 The ratio of the exces...

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  13. A big drop of radius R is formed by 1000 small droplets of water, then...

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  14. At which temperaure, he surface tension of water has a minimum value?

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  15. A liquid drop of diamtere D breaks into 27 tiny drops. The resultant c...

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  16. There are two liquid drops of different radii. The excess pressure ins...

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  17. If a capillary of radius r is dipped in water the height of water that...

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

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  19. Which of the following property of water can be used to explain the sp...

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  20. In a capillary tube, water rises by 1.2mm. The height of water that wi...

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