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Ray diagrams allow us to investigate the properties of light. Drawing them correctly is an important scientific skill.

Draw a perfect ray diagram which fulfills the following criteria

  • it is drawn using a protractor, ruler, pencil
  • the mirror, prism or glass block is drawn correctly
  • there are labelled normal lines at every interface (dashed)
  • lines are plotted with crosses and completes with a straight lines
  • arrows indicate the direction of light
  • label the incident and reflected or refracted rays
  • label the angles to the normal in degrees

Your diagram should perfectly demonstrate hat light travels in straight lines. No wobbles. No kinks.


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