Across
- 1. Range of wavelengths or frequencies of light.
- 7. Device that emits coherent light
- 8. Property of waves maintaining a fixed phase relationship.
- 12. Flow of electric charge.
- 14. Component that stores electric charge.
- 15. Reflective surface used in optical systems.
- 18. Quantum of electromagnetic radiation.
- 19. Semiconductor device that allows current in one direction.
- 20. Relative position in a wave cycle.
Down
- 2. Object that redirects light or radio waves.
- 3. Electrical potential difference.
- 4. Branch of physics dealing with light.
- 5. Smallest discrete unit of physical quantity.
- 6. Negatively charged subatomic particle.
- 9. Bending of light as it passes through different media.
- 10. Capacity to do work.
- 11. Semiconductor used for amplification and switching.
- 13. Distance between successive peaks of a wave.
- 16. Medium used for high-speed optical communication.
- 17. Circuit that increases signal strength.