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Q: Rainbow is formed by ............ by drops of water.
  • A. reflection of light
  • B. refraction of light
  • C. reflection and refraction of light
  • D. diffusion of light
Correct Answer: Option C - Rainbow is caused by dispersion of sunlight by tiny water droplets, suspended in the atmosphere after a rainfall. Three phenomena of light responsible for the formation of rainbow in the sky. (i) Refraction (ii) Dispersion (iii) Total internal reflection of light
C. Rainbow is caused by dispersion of sunlight by tiny water droplets, suspended in the atmosphere after a rainfall. Three phenomena of light responsible for the formation of rainbow in the sky. (i) Refraction (ii) Dispersion (iii) Total internal reflection of light

Explanations:

Rainbow is caused by dispersion of sunlight by tiny water droplets, suspended in the atmosphere after a rainfall. Three phenomena of light responsible for the formation of rainbow in the sky. (i) Refraction (ii) Dispersion (iii) Total internal reflection of light