Chapter 9: Mechanical Properties of Fluids - Assertion-Reason Quiz

Assertion (A): Terminal velocity of a sphere falling through a viscous fluid is directly proportional to the square of the radius of the sphere. Reason (R): From Stokes' Law, the terminal velocity vt = 2a²(ρ−σ)g/(9η), which shows vt ∝ a².

Review the options below and lock in the strongest answer.