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Fluid Mechanics: Viscosity MCQ

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

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ViscosityMediumQuestion 30967

Question

Which has higher viscosity at room temperature?
  1. A
    Water
  2. B
    Glycerine
    Correct
  3. C
    Alcohol
  4. D
    Mercury

Correct answer

Glycerine

Explanation

Glycerine (glycerol) has η ≈ 1.5 Pa·s at 20°C, far higher than water (10⁻³ Pa·s), alcohol (~10⁻³), or mercury.

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