The angle of contact for the liquid which wets the walls of the vessel is

Zero

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90^o

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Obtuse

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Acute

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Solution

The correct option is D
Acute

When adhesive force is greater than cohesive force, the liquid wets the solid surface and the angle of contact between the liquid and the walls is acute.

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Similar questions

Q. Explain why the angle of contact is acute for kerosene-glass pair and is obtuse for mercury-glass pair.

Q. Which of the following is correct?
1. The sum of two acute angles is always an obtuse angle
2. The difference between an obtuse angle and a right angle is an acute angle
3. The sum of two acute angles can be acute, right or an obtuse angle

Explain why

(a) The angle of contact of mercury with glass is obtuse, while that of water with glass is acute.

(b) Water on a clean glass surface tends to spread out while mercury on the same surface tends to form drops. (Put differently, water wets glass while mercury does not.)

(d) Water with detergent dissolved in it should have small angles of contact.

(e) A drop of liquid under no external forces is always spherical in shape

Q. If a liquid wets a solid surface, the angle of contact is ________.

Question 11
If the sum of two angles is greater than $180^{\circ}$ , then which of the following is not possible for the two angles?
a) One obtuse angle and one acute angle
b) One reflex angle and one acute angle
c) Two obtuse angles
d) Two right angles

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The angle of contact for the liquid which wets the walls of the vessel is

The correct option is D Acute When adhesive force is greater than cohesive force, the liquid wets the solid surface and the angle of contact between the liquid and the walls is acute.

The correct option is D
Acute

When adhesive force is greater than cohesive force, the liquid wets the solid surface and the angle of contact between the liquid and the walls is acute.