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