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The excess pressure inside a soap bubble...

The excess pressure inside a soap bubble P and the radius R of the bubble are related as

A

`p prop 1//R`

B

`P prop R`

C

`P prop R^(2)`

D

`P prop 1//R^(2)`

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The correct Answer is:
A
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Excess pressure due to surface tension )
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  9. An air bubble of radius 0.1 mm is ready to leave the surface of a lake...

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  10. The excess pressure inside a soap bubble of diameter 2 cm of soap solu...

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  11. In case of a liquid which does not wet a solid surface , the force of ...

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  12. The work done in increasing the radius of a soap bubble from R to 3 R ...

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  13. Select the correct statement , if a liquid surface is curved

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  14. If a drop of mercury , 2 mm in diameter is broken up into 1000 small s...

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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. Two capi'' ary tubes , A and B are dipped into a liquid which rises 8 ...

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  17. The force due to surface tension is

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  18. How many free surfaces are there in a liquid film ?

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  19. Calculate the force required to separate the glass plates of area 10^(...

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  20. A wooden stick 2m long is floating on the surface of water. The surfac...

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