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6 Written questions

5 Multiple choice questions

  1. used to treat some kinds of cancer
  2. has a flat surface
  3. radar and cellular phones use these waves
  4. a piece of glass or other transparent object that refracts light and produces an image
  5. curves inward and makes things close to it look larger

5 True/False questions

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

          

  2. mirrorthe only electromagnetic wave that is visible to the human eye

          

  3. radio wavesused for radio and television broadcasting

          

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

          

  5. convex mirrorcurves inward and makes things close to it look larger