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Q: Who can be held responsible for the fact that the sun is visible 2 minutes before the actual sunrise and about 2 minutes after the actual sunset?
  • A. Atmospheric reflection
  • B. Internal reflection produced in atmospheric water droplets
  • C. Sunlight spreads by small drops of water present in the atmosphere
  • D. Atmospheric refraction
Correct Answer: Option D - Due to atmospheric refraction, the sun is visible to us about 2 minutes before the actual sunrise and about 2 minutes after the actual sunset. When rays of light penetrate from one transparent medium to another transparent medium, they distract out of their original direction. This phenomenon is called refraction of light
D. Due to atmospheric refraction, the sun is visible to us about 2 minutes before the actual sunrise and about 2 minutes after the actual sunset. When rays of light penetrate from one transparent medium to another transparent medium, they distract out of their original direction. This phenomenon is called refraction of light

Explanations:

Due to atmospheric refraction, the sun is visible to us about 2 minutes before the actual sunrise and about 2 minutes after the actual sunset. When rays of light penetrate from one transparent medium to another transparent medium, they distract out of their original direction. This phenomenon is called refraction of light