Across
- 2. two waves are out of phase
- 3. caused by relative
- 4. product of frequency time of wavelength
- 10. radiation traveling in waves
- 11. bouncing wavefront back to original medium
- 13. change in direction of a passing wave
- 15. number of waves passed
- 16. distance between crests of a wave
Down
- 1. maximum of two waves add together
- 5. spreading of waves around obstacles
- 6. of the observer and the wave source
- 7. distribution of electromagnetic radiation according to frequency or wavelength
- 8. maximum displacement or movement
- 9. substance that transfers energy or light from on to another
- 12. elastic compression of medium
- 14. wave vibrating at right angles