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How many free surfaces are there in a li...

How many free surfaces are there in a liquid film ?

A

one

B

two

C

three

D

infinite.

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-SURFACE TENSION-Exercise - 1 Objective Problems | NEET
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  2. When two soap bubbles coalesce to form a single bubble then its radius...

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

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  4. The number of free liquid surfaces in the air bubble inside a luquid i...

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  5. The volumes of three soap bubbles are in the ratio of 27:64:125. Then ...

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  6. The excess of pressure inside a water drop is P(d) and that inside an ...

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  7. The exess pressure inside a drop of soap solution is Pb and that insid...

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  8. What will be the difference of pressure inside and outside a drop of w...

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  9. What should be the pressure inside a small air bubble of 0.1mm radius ...

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  10. If r , V and P are respectively the radius, volume and excess of press...

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  11. Two soap bubbles are joined together so that they have a common surfac...

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  12. The excess pressure inside a soap bubble is

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  13. EXCESS PRESSURE IN AN AIR BUBBLE INSIDE LIQUID

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  14. The excess pressure inside an air bubble of radius r just below the su...

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  15. If a liquid does not rise or fall in a capillary tube , then its angle...

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  16. A liquid does not wet a solid surface if the angle of contact for the ...

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  17. The angle of contact for pure water and clean glass surface is

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  18. The value of the angle of contact for pure water and mercury with the ...

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  19. For which pair, out of the following is the angle of contact maximum-

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  20. The maximum value of angle of contact can be-

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