Mirror & Lens

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Across
  1. 2. Beam of light
  2. 4. lens that curves inwards
  3. 6. An image that can be projected on a screen
  4. 9. The ray that comes from a light source and strikes the surface is known as what?
  5. 11. object that allows light to pass through
  6. 14. The scientific study of light and its behavior
  7. 15. When the angle of reflection equals the angle of incidentce, this is known as......of reflection?
  8. 18. A line perpendicular to a plane
  9. 20. Special type of lens that makes upright and virtual images
  10. 21. A straight line that represents the path of a beam of light
Down
  1. 1. An image that cannot be projected on a screen
  2. 2. is the process when light strikes a surface an bounces back off that surface
  3. 3. place where images are formed
  4. 5. light amplification by stimulated emission of radiation
  5. 7. A piece of glass or other transparent substance with curved sides for concentrating or dispersing light rays.
  6. 8. An image on a screen but you can see the image when you look in the mirror
  7. 10. Special type of lens that often makes inverted and real images
  8. 12. Bending of light
  9. 13. What travels at 300000km/s
  10. 16. An imaginary flat surface
  11. 17. lens with a center that comes out
  12. 19. An object that reflects images