Question

Explain Tyndall effect and Brownian movement. [2 Marks]​

Answer 1

i) Tyndall effect:​ The Tyndall effect is the phenomenon in which the particles in a colloid scatter the beams of light that are directed at them. [1 Mark]​ ​

ii) Brownian movement:​ The constant, random movement of the colloidal particles which occurs due to their collision with the particles of the fluid is known as Brownian movement of the particles. [1 Mark]​