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The volumes of three soap bubbles are in...

The volumes of three soap bubbles are in the ratio of 27:64:125. Then ratio excess pressures in then is

A

`3:4:5`

B

`5:4:3`

C

`20:15:12`

D

`12:15:20`

Text Solution

Verified by Experts

The correct Answer is:
C
`r_(1):r_(2):r_(3)=1/(P_(2)):1/(P_(2)):1/(P_(3))=1/3:1/4:1/5=20:15:12`
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Excess pressure due to surface tension )
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  14. If a small air bubble of radius 0.1 mm is formed just below the surfac...

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

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  17. The excess pressure inside a soap bubble P and the radius R of the bub...

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