Question

Which of the following phenomena is primarily responsible for the formation of a rainbow?

  1. Reflection
  2. Refraction
  3. Dispersion
  4. Interference

Answer:

Option C: Dispersion

Detailed Solution:

The correct answer is “Dispersion”.

Rainbows are formed primarily due to dispersion, which is the splitting of white light into its constituent colors as it passes through water droplets. Refraction and reflection also play a role.