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6 Written questions

5 Multiple choice questions

  1. used for radio and television broadcasting
  2. are given off by people and police may use them to track criminals
  3. radar and cellular phones use these waves
  4. light bounces off this kind of surface in the opposite direction from which it came
  5. any surface that can reflect light to form an image, a picture, or an object

5 True/False questions

  1. convex mirrorcurves outward and makes things look smaller


  2. ultraviolet rayscause some material to glow and are used to find unsafe bacteria in food


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


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


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


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