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JEE Physics · Hard

Fluid Mechanics: Terminal Velocity MCQ

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Terminal VelocityHardQuestion 30952

Question

Terminal velocity of a sphere is proportional to r². If radius doubles, terminal velocity:
  1. A
    Doubles
  2. B
    Quadruples
    Correct
  3. C
    Halves
  4. D
    Stays same

Correct answer

Quadruples

Explanation

v_t ∝ r². If r → 2r, v_t → 4v_t.

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