Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this?
- Dispersion
- Refraction
- Internal reflection
Select the correct Solution using the codes given below.
Detailed Explanation:
Refraction occurs when sunlight enters and exits the raindrop, bending light at air-water boundaries.
Dispersion separates white light into constituent colours as different wavelengths refract at different angles inside the droplet.
Internal reflection bounces the dispersed light off the rear inner surface of the raindrop back toward the observer, creating the visible rainbow arc.
All three phenomena—Dispersion, Refraction, and Internal Reflection—work together to form a rainbow.
Question 4 of 4 Light and Optics
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