Across
- 2. law relationship between the angles of incidence and refraction
- 4. mirror has a reflecting surface that is recessed inward
- 5. image plane of light ray
- 7. a body or surface of light
- 11. the transparent layer forming the front of the eye
- 13. the white outer layer of the eyeball
- 14. see through clear
- 15. not able to be seen through
- 16. the action of interfering or the process of being interfered with.
- 17. an opening, hole, or gap
Down
- 1. frequency of a disease
- 3. an oval yellowish area
- 6. radio waves
- 8. mirror a mirror with a curved reflecting surface
- 9. shift a change in frequency due to the Doppler effect
- 10. a beam of light
- 12. light, but not detailed shapes