Across
- 3. highest frequency
- 4. source of the full spectrum of visible light
- 7. lies between the visible and microwave portion
- 9. characteristic of radio wave
- 11. flow of photons
Down
- 1. light Quanta
- 2. longest wavelength
- 5. bouncing of light
- 6. section in spectrum that is visible to human eye
- 8. he proved the existence of radio waves
- 10. bending of light