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The surface tension for pure water in a ...

The surface tension for pure water in a capillary tube experiment is

A

`2/(hrrhog)`

B

`(rrhog)/(2h)`

C

`(hrrhog)/2`

D

`(rhog)/(2hr)`

Text Solution

Verified by Experts

The correct Answer is:
C
`T = (rhrhog)/(2 cos theta )`
For pure water `theta=0^(@)`
` :. T = (rhrhog)/2`
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MARVEL PUBLICATION-SURFACE TENSION -MULTIPLE CHOICE QUESTIONS . (STANDARD LEVEL)
  1. The angle of contact at the interface of water glass is 0^(@) ethylalc...

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  2. A liquid rises to a height of 1.8 cm in a glass capillary A another g...

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  3. The surface tension for pure water in a capillary tube experiment is

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  4. A square frame of side L is dipped in a soap solution .When it is take...

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  5. The surface tension soap solution is 3 xx 10^(-2) N/m then then the w...

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  6. Work done in increasing the size of a soap bubble from a radius of 3cm...

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  7. If T is the surface tension of soap solution, the amount of work done ...

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  8. If T is the surface tension of soap solution, the amount of work done ...

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  9. A soap bubble of radius 1//sqrtpi "cm" is expanded to radius 2//sqrtpi...

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  10. The radii of two soap bubbles are r(i) and r(2). In isothermal conditi...

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  11. Work done in forming a liquid drop of radius R is W(1) and that of rad...

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  12. A sheet can be made water proof by coating it with a substance that ch...

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  13. Work W is required to form a bubble of volume V from a given solution....

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  14. A spherical drop of water has a diameter of 2 mm . If the surface tens...

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  15. The excess pressure inside a soap bubble of volume V(1) is twice the e...

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  16. Air is pushed in a soap bubble to increase its radius from R to 2R . I...

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  17. At critical temperature, the surface tension of a liquid

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  18. If the excess pressure inside a soap bubble of radius 5 mm is equal to...

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  19. When a soap bubble is charged :-

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  20. If the radius of a soap bubble is four times that of another, then the...

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