JEE Physics · Hard

Fluid Mechanics: Reynold's Number MCQ

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

Timer-based practiceDetailed answer reviewMobile-friendly flow
Reynold's NumberHardQuestion 30954

Question

Blood flow in large arteries remains laminar even at high speed because blood has high:
  1. A
    Density
  2. B
    Surface tension
  3. C
    Viscosity
    Correct
  4. D
    Pressure

Correct answer

Viscosity

Explanation

High viscosity increases the denominator in Re = ρvD/η, keeping Re low and flow laminar.