Shane Tucker Lights and Lasers crossword

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Across
  1. 4. light an electromagnetic radiation with a wavelength from 10 nm to 400 nm
  2. 6. a device that generates an intense beam of coherent monochromatic light
  3. 7. the fact or phenomenon of light, radio waves, etc., being deflected in passing obliquely through the interface between one medium and another
  4. 9. lens lenses that are thinner in the middle
  5. 12. the action or process of magnifying something or being magnified, especially visually
  6. 13. a particle representing a quantum of light or other electromagnetic radiation
  7. 15. exterior angles two angles that are on the exterior
Down
  1. 1. angles the angles that occupy the same relative position at each intersection where a straight-line crosses two others
  2. 2. spectrum the range of wavelengths or frequencies over which electromagnetic radiation extends.
  3. 3. the throwing back by a body or surface of light, heat, or sound without absorbing it
  4. 5. the number of occurrences of a repeating event per unit of time
  5. 8. intersecting a system of lines
  6. 10. lens lenses that are thicker in the middle
  7. 11. the distance between successive crests of a wave
  8. 14. light a type of electromagnetic radiation