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At which of the following temperatures t...

At which of the following temperatures the value of surface tension of water is minimun?

A

`4^0C`

B

`25^0`C

C

`50^0C`

D

`75^0C`

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The correct Answer is:
D
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BINA LIBRARY-PROPERTIES OF FLUIDS-EXERCISE
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  2. Water is flowing steadily through a horizontal pipe of non- uniform cr...

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  3. At which of the following temperatures the value of surface tension of...

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  5. What change of surface energy will be noticed when a drop of radius R ...

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  6. The capillary rise in a tube of diameter 1mm when surface tension of w...

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  7. The capillary tubes of radii of 0.2 cm and 0.4 cm are dipped in the sa...

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  8. Small liquid drops assume sherical shape because

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  9. Why does soap or detergent clean the cloths better?

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  10. Ball pen functions on the principle of

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  11. The value of surface tension depends upon

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  12. Surface tension is due to

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  13. When two capillary tubes of different diameters are dipped vertically ...

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  14. When two water drops merge to form a large drop

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  15. A spherical liquid drop of radius R is divided into eight equal drople...

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  16. A number of small drop of mercury coalesce adiabatically to form a sin...

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  17. Excess pressure inside a bubble is

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  18. Due to capillary action a liquid will rise in a tube if the angle of c...

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  19. When the temperature is increased the angle ofs contact of a liquid

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  20. The clouds float in the atmosphere because of

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