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Concepts Of Physics MCQ Edition [Volume 1]PhysicsSome Mechanical Properties of Matter

Viscosity is a characteristic of

Options

  1. Aliquids only
  2. Bsolids and liquids only
  3. Csolids only
  4. Dliquids and gases only

Correct answer

D. liquids and gases only

Step-by-step solution

Viscosity is the property of a fluid by virtue of which an internal frictional force comes into play when the fluid is in motion, opposing the relative motion between its different layers. Since both liquids and gases are classified as fluids and have the ability to flow, viscosity is a characteristic property of both liquids and gases. Solids do not flow, so they do not exhibit viscosity.

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