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Q: The friction in liquids is called :
  • A. Rigidity
  • B. Viscosity
  • C. Morbidity
  • D. Rancidity
Correct Answer: Option B - The property of liquids due to which they oppose the relative motion between their different layers, is called viscosity and the force between the two layers opposing the relative motion, is called viscous force. Thus, viscosity is the internal friction of the fluid in motion
B. The property of liquids due to which they oppose the relative motion between their different layers, is called viscosity and the force between the two layers opposing the relative motion, is called viscous force. Thus, viscosity is the internal friction of the fluid in motion

Explanations:

The property of liquids due to which they oppose the relative motion between their different layers, is called viscosity and the force between the two layers opposing the relative motion, is called viscous force. Thus, viscosity is the internal friction of the fluid in motion