The friction which exists between two layers of liquid in...
The friction which exists between two layers of liquid in relative motion is called
capillarity
surface tension
viscosity
cohesion
Correct answer is C
No explanation has been provided for this answer.
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Which of the following statements about solid friction is/are correct? I. Friction depends on the...
A beam of light is incident from air to water at an angle of 30o. Find the angle of refraction ...