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Question 30985
JEE Physics · Hard

Fluid Mechanics: Viscosity Advanced MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Viscosity AdvancedHardQuestion 30985

Question

Non-Newtonian fluid has viscosity that:
  1. A
    Is constant
  2. B
    Depends on shear rate or stress
    Correct
  3. C
    Is always zero
  4. D
    Increases with temperature

Correct answer

Depends on shear rate or stress

Explanation

Newtonian fluids have constant η. Non-Newtonian fluids (ketchup, blood, cornstarch in water) have viscosity that changes with applied shear rate or stress.

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