General Science • PhysicsMedium
Which of the following phenomena is responsible for the formation of a rainbow in the sky?
A. Only reflection of light
B. Only refraction of light
C. Dispersion, refraction and total internal reflection of light✓ Correct Answer
D. Scattering of light by dust particles
💡 Solution & Explanation
The formation of a rainbow involves the combined effects of refraction, dispersion, and total internal reflection of sunlight inside spherical water droplets suspended in the atmosphere. Scattering is responsible for the blue color of the clear sky rather than rainbows. Water droplets act like tiny prisms that split white light into its constituent spectral colors.
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