Across
- 2. Musical terms that explain about how loud a sound is
- 9. When the electric fields are aligned in the same direction
- 10. A single quantum of electromagnetic energy
- 11. Electromagnetic wave contains magnetic and ____ field
- 13. Lowest frequency in visible light spectrum
- 14. The other resonance frequencies
- 15. Frequencies lower than what humans can hear
- 16. Highest frequency in visible light spectrum
- 17. Unit of sound loudness
Down
- 1. The main resonance frequency
- 3. Frequencies higher than what humans can hear
- 4. Out-of-phase interference
- 5. Wave bending around openings
- 6. Phenomenon occur when two waves meet at the same place at the same time
- 7. When the light are in phase
- 8. Musical terms that describes the frequency of a sound
- 12. Separation of light based on wavelength