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If a glass rod is dipped in mercury and ...

If a glass rod is dipped in mercury and withdrawn out, the mercury does not wet the rod because

A

the angle of contact is small

B

cohesive force is greater than the adhesive force

C

cohesive force is less than the adhesive force

D

density of mercury is higher than that of glass

Text Solution

Verified by Experts

The correct Answer is:
B
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (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 If a glass rod is dipped in mercury and withdrawn out, the mercury doe...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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