Across
- 2. process of magnifying something
- 4. when something repeats
- 11. spectrum the range of wavelengths or frequencies over which electromagnetic radiation extends
- 13. lens a lens thinner in the middle
- 14. intersecting a system of lines
- 15. distance between successive crests of a wave
Down
- 1. exterior angles
- 3. angles same relative position at each intersection
- 5. lens a lens thicker in the middle
- 6. light electromagnetic radiation with longer wavelengths
- 7. light shorter than a visible light
- 8. the fact or phenomenon of light, radio waves, etc.
- 9. throwing back by a body or surface of light
- 10. an intense beam of coherent monochromatic light
- 12. a particle representing a quantum of light