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Surface tension of water is 0.07 N/m . ...

Surface tension of water is 0.07 N/m . The weight of water supported by the surface tension in a capillary tube of radius ` 1 xx 10^(-4)` m will be

A

`440 xx 10^(-6)` N

B

` 44 xx 10^(-6)`N

C

` 4.4 xx 10^(-6) N`

D

` 0.44 xx 1-0^(-6)`N

Text Solution

Verified by Experts

The correct Answer is:
B
`T = F/l :. F = Trho `
` F = 7 xx 10^(-2) xx 2 pi r `
` 7 xx 10^(-2) xx 2xx 22/7 xx 10^(-4) `
` = 44 xx10^(-6) ` N
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Expression for surface tension )
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  2. Pure water rises in a capillary tube upto a height of 8 cm . If surfa...

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  3. A capillary tube of internal radius 2 xx 10^(-3) m immersed vertic...

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  4. The capillary rises are found to be in the ration of 3:2 when two cap...

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  5. A narrow capillary tube when dipped in beaker containing water, the ri...

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  6. The U-tabe with limbs of diameters 5 mm and 2 mm contains water of sur...

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  7. Water rises to a height of 2 cm in a capillary tube . If its diameter ...

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  8. Surface tension of water is 0.07 N/m . The weight of water supported ...

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  9. If a capillary tube is 45^(@) and 60^(@) from the vertical then the ra...

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  10. Alcohol of density 8 xx 10^(4) kg//m^(3) and surface tension 22 xx 1...

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  11. When water rises in a capillary tube of radius r to height h, then its...

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  12. Water rises to a height h in a capillary tube when dipped vartically ...

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  13. Liquid drops are falling slowly one after the other from a vertical ca...

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  14. A capillary tube is placed vertically inside the beaker of water of s...

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  15. Water rises to a height of 10cm in a glass capillary tube. If the area...

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  16. 1000 small drops of water each of radius 'r' are joined together to f...

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  17. Two capillary tubes of diameters 1 mm and 2 mm are dipped in water . T...

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  18. Two capillary tubes of radius 0.5 mm and 1 mm when dipped in a liqui...

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  19. A clean plate of length 9.8 cm and thickness 0.2 m is in contact with...

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  20. A capillary tube of length 10 cm and diameter of the bore is 0.5 mm d...

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