Brownian Motion — MCQ Practice

Which of the following factors does NOT increase the vigor of Brownian motion?

Which of the following statements about Brownian motion is INCORRECT?

A student observes Brownian motion of pollen grains in water. If the student replaces the water with honey (a much more viscous liquid) at the same temperature, what change would be observed in the Brownian motion?

According to Einstein's theory, the mean square displacement ($langle r^2 \rangle$) of a Brownian particle is directly proportional to:

If the radius of a spherical Brownian particle is doubled, how would its diffusion coefficient ($D$) change, assuming all other factors remain constant?

Which of the following phenomena is NOT directly explained or evidenced by Brownian motion?