The phenomenon of rainbow formation by water droplets involves:
- A. single refraction of sunlight.
- B. one internal reflection of sunlight.
- C. two internal reflections of sunlight.
- D. both refraction and internal reflection of sunlight. ✓
Correct Answer: D. both refraction and internal reflection of sunlight.
Explanation
A rainbow is formed by a combination of dispersion, refraction, and internal reflection of sunlight within water droplets[cite: 1].
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