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A square wire fram of size L is dipped i...

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

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The correct Answer is:
8 TL
`4TL + 4TL = 8 TL`
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ICSE-PROPERTIES OF MATTER-MODULE 2(SURFACE TENSIONS) SELECTED PROBLEMS( FROM THE DEFINITION OF SURFACE TENSION)
  1. A wire ring of diameter 0.03m is dipped in a liquid and pulled out gen...

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  2. A square wire fram of size L is dipped in a liquid. On taking out a me...

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  3. A U-shaped wire is dipped in a soap solution, and removed. The thin so...

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  4. A wire 0.1m long is placed horizontally on the surface of water and is...

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  5. Calculate the force required to take away a flat circular plate of rad...

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  6. A ring of internal and external diameters 8.5 xx 10^(-2)m and 8.7 xx 1...

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  7. There is a soap film on a rectangular frame of wire of area 4 xx 4 cm^...

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  8. Calculate the work done in blowing a soap bubble of radius 0.1m surfac...

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  9. Assume that 64 water droplets combine to form a large drop. Determine ...

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  10. A spherical mercury drop of 10^(-3)m radius is sprayed into million dr...

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  11. Calculate the amount of energy evolved when 8 droplets of water ( surf...

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  12. A certain number of spherical drops of a liquid of radius r coalesce t...

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  13. If a number of small droplets off water each of radius r coalesce to f...

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  14. Workdone to blow a bubble of volume V is W. The workdone is blowing a ...

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  15. The work done in blowing a bubble of radius R is W. What is the work d...

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  16. A film of water is formed between two straight parallel wires each 10c...

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  17. What is the difference of pressure between the inside and outside of a...

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  18. Find the difference of pressure between inside and outside of a soap b...

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  19. What should be the diameter of a soap bubble in order that the excess ...

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  20. What is the pressure inside the drop of mercury of radius 3.00 mm at r...

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