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Q: A rainbow is observed due to refraction of the sunlight through rain drops. This implies that:
  • A. Sunlight is monochromatic
  • B. Sunlight is polychromatic
  • C. refractive index of rain drop is 1
  • D. rain drops are not spherical in shape
Correct Answer: Option B - A rainbow is observed due to refraction of sunlight through rain drops because sunlight is polychromatic and when it refract through rain drops it disperse into 7 colour.
B. A rainbow is observed due to refraction of sunlight through rain drops because sunlight is polychromatic and when it refract through rain drops it disperse into 7 colour.

Explanations:

A rainbow is observed due to refraction of sunlight through rain drops because sunlight is polychromatic and when it refract through rain drops it disperse into 7 colour.