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A water proofing agent chages the angle ...

A water proofing agent chages the angle of contact from

A

obtuse to acute value

B

acute to obtuse value

C

obtuse to `pi//2`

D

acute to ` pi//2`

Text Solution

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The correct Answer is:
B
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Angle of contact )
  1. A liquid will not wet the surface of a solid if the angle of contact ...

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  2. When liquid does not rises in a capillary tube , the angle of contact...

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  3. The angle of contact is obtuse when liquid

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  4. The meniscus of mercury in the capillary tube is

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  5. The angle of contact for pure water and clean glass surface is

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  6. The angle of contact between liquid and solid does not depend upon

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  7. A capillary tube of radius r is placed in a liquid I the angle of con...

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  8. The angle of contact between a solid and a liquid is a characteristic...

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  9. A water proofing agent chages the angle of contact from

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  10. Which one of the following represents correctly the variations of surf...

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  11. Nature of meniscus for liquid having angle of contact as 0^@ is

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  12. A liquid rises in a capillary tube when the angle of contact is:

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  13. When a cylindrical tube is dipped vertically into a liquid the angle o...

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  14. If the lower end of a capillary tube touches a liquid whose angle of...

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  15. The liquid meniscus in a capillary tube will be convex, if the angle o...

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  16. If a glass rod is dipped in mercury and withdrawn out, the mercury doe...

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  17. Angle of contact varies between

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  18. A glass plate is partly dipped vertically in the mercury and the angle...

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  19. The temperature of a liquid in a vessel is gradually raised the angl...

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  20. An imaginary line is a drawn in a liquid surface . At what angle with ...

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