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A square wire frame of L is dipped in a ...

A square wire frame of L is dipped in a liquid, on taking out a membrane is formed. If the surface tension of liquid is T, force acting on the frame will be

A

2TL

B

4TL

C

8TL

D

10 TL

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SL ARORA-Mechanical Properties of fluids-Exercise
  1. The unit of surface tension in SI system is

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  2. The water droplets in free fall are spherical due to

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

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

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  5. A wire of length L metres, made of a material of specific gravity 8 is...

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  6. One large soap bubble of diameter D breaksinto 27 bubbles having surfa...

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  7. A mercury drop of radius 1 cm is broken into 10^6 droplets of equal si...

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  8. Two drops of equal radius coalesce to form a bigger drop. What is rati...

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  9. 8 mercury drops coalesce to form one mercury drop, the energy changes ...

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  10. If a mercury drop is divided into 8 equal parts, its total energy,

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  11. The excess pressure inside a soap bubble of radius 4 cm is 30 "dyne"//...

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  12. Pressure inside two soap bubble are 1.02 and 1.03 atm . Then ratio of ...

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  13. If a liquid does not wet glass, its angle of contact is

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

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  15. For different capillaries of radiusr,the condition of liquid rise (h) ...

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  16. In a capillary tube experiment, a vertical 30 cm long capillary tube i...

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  17. Given that the surface tension of water is 75 dyne/cm, its density 100...

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  18. Thrust of a liquid always acts to the surface of contact.

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  19. Pressure is a quantity and its SI unit is

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  20. Density is a quantity and its CGS unit is

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