Testing your knowledge

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Across
  1. 3. the light coming from behind the mirror
  2. 6. an object that light doesn't pass through
  3. 8. describing images
  4. 9. originating ray of light
  5. 10. a surface that reflects light
  6. 14. when light somewhat passes through something
  7. 16. how many parts are there to the reflection law
  8. 17. the line directly vertical to the mediums surface
  9. 18. the angle between the normal and incident ray
  10. 19. the resulting ray of a reflection
Down
  1. 1. when light bounces off a medium
  2. 2. The image “behind” the mirror
  3. 4. the angle between the normal and the reflected ray
  4. 5. name of a flat mirror
  5. 7. the horizontally reversed image in a plane mirror
  6. 11. when light is bouncing off the surface of the plane mirror the angles are ___
  7. 12. a reflection of an unclear surface
  8. 13. when light passes through an object
  9. 15. without interference light travels in ___ lines