Which phenomenon causes a rainbow to form after rainfall?
A
Reflection only
B
Diffraction only
C
Refraction and dispersion
D
Polarization
Correct Answer: Option C — Refraction and dispersion
Explanation:
Rainbows form when sunlight enters raindrops, refracts, reflects internally, and disperses into its component colors as it exits. This combi...
Rainbows form when sunlight enters raindrops, refracts, reflects internally, and disperses into its component colors as it exits. This combination of refraction and dispersion separates white light into the familiar spectrum of colors.