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6 Written Questions

5 Multiple Choice Questions

  1. curves outward and makes things look smaller
  2. are given off by people and police may use them to track criminals
  3. used for radio and television broadcasting
  4. has a flat surface
  5. radar and cellular phones use these waves

5 True/False Questions

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

          

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

          

  3. gamma raysused to treat some kinds of cancer

          

  4. roughthe only electromagnetic wave that is visible to the human eye

          

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

          

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