Which phenomenon is responsible for the blue color of the sky?

Practice Questions

Q1
Which phenomenon is responsible for the blue color of the sky?
  1. Refraction
  2. Reflection
  3. Scattering
  4. Polarization

Questions & Step-by-Step Solutions

Which phenomenon is responsible for the blue color of the sky?
  • Step 1: Understand that sunlight is made up of many colors, like a rainbow.
  • Step 2: Know that when sunlight enters the Earth's atmosphere, it interacts with tiny particles in the air.
  • Step 3: Learn about Rayleigh scattering, which is when shorter wavelengths of light (like blue) are scattered more than longer wavelengths (like red).
  • Step 4: Realize that because blue light is scattered in all directions, we see a blue sky during the day.
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