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Surface tension of soap solution is 2 xx...

Surface tension of soap solution is `2 xx 10^-2 N//m`. The work done in producing a soap bubble of radius 2 cm is,

A

`64pixx10^-6 J`

B

`32pixx10^-6 J`

C

`16pixx10^-6 J`

D

`8pixx10^-6 J`

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
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  2. The correct relation is

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  3. Surface tension of soap solution is 2 xx 10^-2 N//m. The work done in ...

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  4. The angle of contact between glass and mercury is

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  5. Angle of contact varies between

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  6. Meniscus of Hg in capillary is

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  7. If the surface tension of liquid is T, the work required to increase, ...

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  8. The surface tension of water in C.G.S. units is 30 dyne/cm. Its S.I. u...

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  9. The height of water in a capillary tube of radius 2 cm is 4cm. What sh...

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  10. For tap water and clean glass, the angle of contact is

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  11. When there are no external forces, the shape of a liquid drop is deter...

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  12. A capillary tube when immersed vertically in a liquid records a rise o...

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

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  14. Water rises in a capillary tube to a certain height such that the upwa...

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  15. What is the change in surface energy, when a mercury drop of radius R ...

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  16. The dimensions of surface tension are

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  17. If W is the work done to blow a bubble of volume V, that to blow a bub...

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  18. The work done in breaking a spherical drop of a liquid of radius R int...

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  19. A hydraulic lift is designed to lift heavy objects of maximum mass 200...

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  20. Two capillary tubes of radii 0.3cm and 0.6 cm are dipped in the same l...

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