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Find the work done in blowing a soap bub...

Find the work done in blowing a soap bubble of radius 5cm.Surface tension of soap solution is 25 dyne/cm.

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
  1. When glass capillary tube of radius 0.4 mm is dipped into mercury, the...

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  2. Surface tension of water at 0^@C is 75 dyne/cm, find the surface tensi...

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  3. Find the work done in blowing a soap bubble of radius 5cm.Surface tens...

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  4. A capillary tube of uniform bore is dipped vertically in water which r...

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  5. Compare the amount of work done in blowing two soap bubbles of radii i...

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  6. A drop of mercury 2 mm in diameter breaks into a million small spheric...

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  7. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

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  8. A liquid of density 800 kg//m^3 flowing steadily in a tube of varying ...

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  9. Water is flowing continously from a tap having a base of internal diam...

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  10. Find the terminal velocity of a steel ball bearing of radius 0.1cm whe...

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  11. Select and write the most appropriate answer from the alternatives giv...

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  12. The spherical shape of rain-drop is due to.........

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  13. Absorption of ink by filter paper is due to.......

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  14. The surface tension of liquid is 5 N//m. If a thin film of area 0.04 m...

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  15. The surface tension of liquid is 4N//m. If a thin film of area 0.02 m^...

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  16. At critical temperature, the surface tension of a liquid is......

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  17. The surface-tension of a liquid is T. The increase in its surface ener...

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  18. Water rises to a height of 2 cm in capillary tube held vertically. Whe...

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  19. The surface tension of soap solution is 25 xx 10^-3 N//m. The excess o...

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  20. A liquid does not wet the sides of solid if angle of contact is..........

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