Across
- 2. 300,000,000 m/s
- 6. EM
- 8. Shortest wavelength
- 9. A beam of light being spread
- 11. The return of light, heat, or sound
- 12. A disturbance or variation that transfers energy
Down
- 1. A oscillate with one or more orientation
- 2. Vibration of a substance
- 3. Stimulates sight
- 4. Tendency to oscillate with greater amplitude
- 5. Longest wavelength
- 7. Waves combining
- 10. Change in direction of a propagation