The angle between the tangent to a liquid and the solid is the:
AAngle of descent
BAngle of contact
CAngle of repose
DAngle of friction
Answer & Solution
Correct answer: B. Angle of contact
1. The tangent is drawn at the point where the surfaces meet.
2. The angle is measured to the solid surface inside the liquid.
3. This is called the angle of contact.
_Source: NCERT Class 11 Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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