Across
- 5. a regular and repeating motion
- 6. block all the lights passing through
- 7. wave has the movement of particles in the medium the same dimensions as the direction of movement of the wave
- 9. the length of one wave cycle
- 10. light energy can travel through the substance
Down
- 1. The height of the wave
- 2. is the number of time a wave cycle in one second
- 3. transferred to particles inside the substance
- 4. any or substance that give their own light
- 8. a wave in which the medium moves right angles to the direction of wave