Across
- 3. Distance from crest to crest or compression to compression.
- 4. An optical device that uses refraction to separate white light into its component colors, forming a spectrum.
- 7. Always curve outward.
- 11. The amount of bend the mirror or lens has.
- 12. Gives the degree of refraction and relation between the angle of incidence, the angle of refraction and refractive indices of a given pair of media.
- 13. An image formed where light rays appear to diverge from, but do not actually converge.
- 14. A back and forth movement around a central point.
Down
- 1. A wave that oscillates perpendicularly (up and down) to the direction of the wave's advance.
- 2. Waves which oscillate in the direction which is parallel (back and forth) to the direction in which the wave travels and displacement of the medium.
- 5. Always curve inward.
- 6. A substance through which a wave can be transmitted.
- 8. A unique point on mirrors or lenses where parallel rays converge to a particular point; concave is in front of the mirror; conves is behind the mirror.
- 9. The redirection of a wave as it passes from one medium to another.
- 10. Collection of focus points actually made by converging/diverging rays.
- 13. A volume empty of matter.