Question

Diffusion of light in the atmosphere takes place due to:

  1. Carbon dioxide
  2. Dust particles
  3. Helium
  4. Water vapours

Answer:

Option B: Dust particles

Detailed Solution:

The correct answer is “Dust particles”.

Diffusion of light in the atmosphere takes place due to dust particles.

Diffusion is the net fluctuation of anything (for example, atoms, ions, molecules, energy) from a region of higher concentration to a region of lower concentration.