Question

Define the following terms:

(a) Brownian movement:

Answer 1

The definition of the Brownian movement:

• The zig-zag movement of particles suspended in air or water of colloidal solution.
• Robert Brown was the scientist who first discovered the Brownian movement
• He suspended some pollen gains in water and watched their movement under a microscope
• He found that pollen grains were moving in a zig-zag direction.