A rainbow is formed when sunlight is incident on water droplets suspended in the air due to
A
interference
B
refraction
C
dispersion
D
diffraction
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Dispersion occurs when different wavelengths of light are refracted by different amounts as they pass through the water droplets, causing the light to spread out into its constituent colors, thereby creating a rainbow.
Source: Myschool Past Questions Archive (Record #50006)