General Science • PhysicsEasy
Which of the following phenomena is responsible for the formation of a rainbow in the sky after rainfall?
A. Only reflection
B. Only refraction
C. Dispersion, refraction, and total internal reflection✓ Correct Answer
D. Scattering and diffraction
💡 Solution & Explanation
Rainbow formation is an optical phenomenon driven by the combined refraction, dispersion, and total internal reflection of white sunlight as it enters and exits spherical raindrops. Simple reflection or scattering alone fails to split the light into its distinct spectral component colours in this manner.
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