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The excess pressure due to surface tensi...

The excess pressure due to surface tension in a spherical liquid drop of radius r is directly proportional to

A

r

B

`r^(2)`

C

`r^(-1)`

D

`r^(-2)`

Text Solution

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The correct Answer is:
C
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ERRORLESS -SURFACE TENSION-Exercise
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  5. If the surface tension of a soap solution is 0.03 MKS units, then the ...

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  6. The excess pressure inside a soap bubble is

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  7. The pressure of air in a soap bubble of 0.7 cm diameter is 8 mm of wat...

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  8. Pressure inside two soap bubbles are 1.01 and 1.02 atmospheres. Ratio ...

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  9. A capillary tube of radius r is dipped in a liquid of density rho and...

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  10. Two spherical soap bubbles of radii r1 and r2 in vacuume coalesce unde...

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  11. The adjoining diagram shows three soap bubbles, A , B and C prepared b...

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  12. When a large bubble rises from the bottom of a lake to the surface its...

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

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  14. The volume of an air bubble becomes three times as it rises from the b...

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  15. Excess pressure inside one soap bubble is four times that of other. Th...

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

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  17. If pressure at half the depth of a lake is equal to 2//3 pressure at t...

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  18. If the radius of a soap bubble is four times that of another, then the...

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  19. A spherical drop of water has 1mm radius. If the surface tension of wa...

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