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6 Written Questions

5 Multiple Choice Questions

  1. any surface that can reflect light to form an image, a picture, or an object
  2. cause some material to glow and are used to find unsafe bacteria in food
  3. the only electromagnetic wave that is visible to the human eye
  4. a piece of glass or other transparent object that refracts light and produces an image
  5. used for radio and television broadcasting

5 True/False Questions

  1. convex mirrorcurves outward and makes things look smaller

          

  2. infrared wavesused for radio and television broadcasting

          

  3. x-rayscan be used in medicine, art, and engineering

          

  4. electromagnetic wavesare given off by people and police may use them to track criminals

          

  5. microwavesradar and cellular phones use these waves

          

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