Across
- 4. light deflected
- 5. throwing back No Absorbing
- 8. maximum extent of a vibration or oscillation
Down
- 1. apparent difference between the frequency at which sound or light waves leave a source
- 2. ripples in water surface
- 3. beam of light or other system of waves is spread out
- 6. distance traveled waves
- 7. substance or material that carries the wave