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| Q.99 | The phenomenon of rise or fall of liquid level in a capillarity tube is called as capillarity. In non-wetting liquids (e.g. mercury), what is the relation between cohesion of mercury and adhesion between mercury and capillary tube? | |
| Ans | 1. No relation between cohesion and adhesion. | |
| 2. Cohesion is lesser than adhesion. | ||
| 3. Cohesion is equal to adhesion. | ||
| 4. Cohesion is greater than adhesion. |
Correct Ans: 4
