Across
- 2. the separation of light into colors arranged according to frequency
- 3. bending of a wave as it crosses the boundary of 2 media
- 8. the return of a wave back to its original medium
- 9. the angle of incidence at which light is refracted at an 90 degrees
- 12. when walls are too reflective, the sound becomes garbled
Down
- 1. the reflection of light through a rough surface
- 4. the angle between the reflected ray and the normal
- 5. having an outline caved inward like an interior of a cirle
- 6. an optical image formed from the divergent light rays
- 7. the angle between the incidence ray and the normal
- 10. a distorted image
- 11. having an outline curved like an exterior of a circle