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If R is the radius of a soap bubble and ...

If R is the radius of a soap bubble and S its surface tension, then the excess pressure inside is

A

`(2S)/(R)`

B

`(3S)/(R)`

C

`(4S)/(R)`

D

`(S)/(R)`

Text Solution

Verified by Experts

The correct Answer is:
C
If R is the radius of a soap bubble and S its surface tension, then the excess pressure inside is `(4S)/(R)`.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SURFACE TENSION -Exercise 1
  1. Match the following columns.

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  2. Find the difference of air pressure between the inside and outside of ...

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  3. If R is the radius of a soap bubble and S its surface tension, then th...

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  4. The excess pressure inside one soap bubble is three times that inside ...

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  5. There is a small bubble at one end and bigger bubble at other end of a...

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

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  7. A thread is tied slightly loose to a wire frame as shown in the figure...

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  8. If two soap bubbles of different radii are connected by a tube

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  9. The figure shows three soap bubbles A, B and C prepared by blowing the...

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  10. Two very wide parallel glass plates are held vertically at a small sep...

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  11. When two soap bubbles of radius r(1) " and " r(2)(r(2) gt r(1)) coales...

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  12. A soap bubble A of radius 0.03 m and another bubble B of radius 0.04 m...

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  13. If two soap bubbles of equal radii r coalesce then the radius of curva...

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  14. A liquid will not wet the surface of a solid if the angle of contact ...

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  15. Angle of contact of a liquid with a solid depends on

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  16. Two capillary tubes of same diameter are put vertically one each in tw...

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  17. A capillary tube (A) is dipped in water. Another identical tube (B) is...

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  18. A 20 cm long capillary tube is dipped in water. The water rises up to ...

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  19. A vessel whose bottom has round holes with diameter of 1 mm is filled...

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  20. T(LA), T(SA) and T(SL) be the value of surface tension at liquid-air, ...

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