Across
- 2. An example of chemiluminescence.
- 5. Unparallel reflected rays bounce off an uneven surface.
- 8. Light passed through a semiconductor.
- 10. Images seen in a plane mirror appear backwards.
- 11. Lowest frequency light wave.
- 13. A curved mirror that causes light rays to converge.
- 15. Light that can take medical pictures.
- 16. Light that causes sunburns.
- 17. Material that transmitts some light.
- 18. Some telescopes are placed here to collect all radiation.
- 20. An image that appears trapped in the mirror.
- 21. Parallel rays reflect off a smooth surface.
Down
- 1. Light produced from heat.
- 3. The ray of incoming light.
- 4. Phosphorescence is commonly known as____.
- 6. No image will form here.
- 7. An image that can be captured on a screen.
- 9. All types of radiation.
- 12. The "A" in SALT.
- 14. A curved mirror that is used for security.
- 19. Highest frequency radiation.