Light and Colour

Watch the Video and answer the following questions in your own comment.

  1. What is a photon?
  2. How does the narrator explain why we see bands of color when white light passes through a prism?
  3. What is the difference between reflection and refraction of light?
  4. From the diagram of the light doubly refracted by the raindrop, can you predict where an observer needs to be with respect to the Sun in order to see a rainbow?
  5. At what times of day is it possible to see rainbows?

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