Physics Doubt

physics

physics

by souryadeep deb -
Number of replies: 1

A liquid does not wet the sides of a solid, if the angle of contact Select one:

acute 
Zero
Obtuse

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The liquid which do not wet the solid have obtuse angle of contact. For mercury and glass, the angle of contact is .

The correct answer is: Obtuse

In reply to souryadeep deb

Re: physics

by Abhishek Kumar -
If the contact angle is obtuse then the cohesive forces are more dominant than the adhesive forces.
Therefore, the property shown by the fluid is non wetting in nature.