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A square wire frame of side L is dipped ...

A square wire frame of side `L` is dipped in a liquid. On taking out , a membrane is formed if the surface tension of liquid is T, the force acting on the frame due to the membrane will be

A

2TL

B

4TL

C

8 TL

D

10 TL

Text Solution

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The correct Answer is:
C
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ERRORLESS -SURFACE TENSION-Exercise
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  2. When a shaving brush is taken out of water its hair cling together, wh...

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  3. A square wire frame of side L is dipped in a liquid. On taking out , a...

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  4. Water does not wet an oily glass because

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  5. A water drop takes the shape of a sphere in a oil while the oil drop s...

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  6. Which of the fact is not due to surface tension

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  7. In the glass capillary tube, the shape of the surface of the liquid de...

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  8. Force necessary to pull a circular plate of 5cm radius from water surf...

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  9. The property of surface tension is obtained in

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  10. The surface tension of a liquid with rise of temperature.

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  11. If two glass plates are quite nearer to each other in water, then ther...

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  12. On mixing the salt in water, the surface tension of water will

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  13. The maximum force, in addition to the weight required to pull a wire o...

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  14. Consider a liquid contained in a vessel. The liquid solid adhesive for...

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  15. At which of the following temperatures, the value of surface tension o...

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  16. If a glass rod is dipped in mercury and withdrawn out, the mercury doe...

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  17. Mercury does not wet glass, wood or iron because

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  18. Surface tension of a liquid is found to be influenced by

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  19. When a drop of water is dropped on oil surface, then

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  20. Two pieces of glass plate one upon the other with a little water betwe...

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