When dust particles collide randomly in a beam of Sunlight, the phenomenon observed is known as?

A. Brownian movement.
B. Dialysis
C. Diffusion
D. Osmosis
E. Tyndall effect

Correct Answer:

Option E – Tyndall effect

Explanation

The Tyndall Effect is the effect of light scattering in colloidal dispersion while showing no light in a true solution. This effect is used to determine whether a mixture is a true solution or a colloid.