Across
- 2. the substance that carries a wave from one location to another
- 4. the lowest part of a wave
- 5. the abrupt change in the wave's propagation direction
- 6. reflection, refraction, and dispersion
- 7. object that does not let light pass through
- 10. a wave vibrating in the direction of propagation
- 11. allows some frequencies of visible light to pass through
- 12. distance between identical points
Down
- 1. the change in direction of a wave passing from one medium to another caused by its change in speed
- 3. the highest part of a wave
- 8. maximum distance moved by a point
- 9. a wave of compression and rarefaction
- 11. a wave vibrating at right angles to the direction of its propagation