TS EAMCET · Physics · Mechanical Properties of Fluids
The angle of contact is \(120^{\circ}\) when a cylindrical rod is vertically placed in a liquid. If the same rod is placed horizontally in the liquid, then the angle of contact is
- A \(60^{\circ}\)
- B \(30^{\circ}\)
- C \(90^{\circ}\)
- D \(120^{\circ}\)
Answer & Solution
Correct Answer
(D) \(120^{\circ}\)
Step-by-step Solution
Detailed explanation
Angle of contact is one of the characteristics of interaction of a liquid with a solid body. So, it does not depend on the inclination of the capillary tube. So, angle of contact will be \(120^{\circ}\).
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