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Q: Which of the following is an example of scattering of light?
  • A. Blue colour of the sky
  • B. Twinkling of stars
  • C. Splitting of white light through a glass prism
  • D. Rainbow
Correct Answer: Option A - When light passes through atmosphere, it is first absorbed by air molecules, dust particles, smoke and water droplets and then re-radiated in various directions. This phenomenon is called scattering of light. Some examples of scattering to light are: The Sun looks red at sunset and sunrise, sky looks dark to astronomers, blue colour of the sky. Within the visible range of light, red light waves are scattered the least and blue light waves are scattered the most by atmospheric gas molecules.
A. When light passes through atmosphere, it is first absorbed by air molecules, dust particles, smoke and water droplets and then re-radiated in various directions. This phenomenon is called scattering of light. Some examples of scattering to light are: The Sun looks red at sunset and sunrise, sky looks dark to astronomers, blue colour of the sky. Within the visible range of light, red light waves are scattered the least and blue light waves are scattered the most by atmospheric gas molecules.

Explanations:

When light passes through atmosphere, it is first absorbed by air molecules, dust particles, smoke and water droplets and then re-radiated in various directions. This phenomenon is called scattering of light. Some examples of scattering to light are: The Sun looks red at sunset and sunrise, sky looks dark to astronomers, blue colour of the sky. Within the visible range of light, red light waves are scattered the least and blue light waves are scattered the most by atmospheric gas molecules.