Across
- 3. Imaginary line perpendicular to reflecting surface
- 6. Allows all light through
- 7. Reflection from a rough surface
- 10. Absorbs or reflects all light
- 13. Light is a part of the _ Spectrum
- 14. Allows some light through
- 15. If light is not transmitted or reflected, it is
- 18. Lens that brings light rays together
- 19. Determines the type of electromagnetic radiation
- 20. The bouncing back of light
Down
- 1. The angle of incidence equals the angle of reflection
- 2. Can only be seen in a mirror
- 4. Color of light made up of all visible colors
- 5. Perfectly flat surface
- 8. Lens that spreads out light rays
- 9. The bending of light due to a change in its velocity
- 11. Can separate light into a rainbow
- 12. Color object that absorbs all other colors
- 16. Reflection from a smooth surface
- 17. A visible form of electromagnetic radiation