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6 Written questions

5 Multiple choice questions

  1. can be used in medicine, art, and engineering
  2. any surface that can reflect light to form an image, a picture, or an object
  3. are given off by people and police may use them to track criminals
  4. the only electromagnetic wave that is visible to the human eye
  5. has a flat surface

5 True/False questions

  1. lensproduce a thin beam of light that is only one color


  2. smoothlight bounces off this kind of surface in the opposite direction from which it came


  3. roughlight bounces off this type of surface in all directions


  4. concave mirrorcurves inward and makes things close to it look larger


  5. gamma rayscan be used in medicine, art, and engineering


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