Across
- 4. works in medium or vacuum
- 8. particle motion perpendicular to direction
- 9. Area with lots of particles
- 10. maximum variation from mean
Down
- 1. cycles per second
- 2. lower density of particles
- 3. particle motion along the same direction
- 5. needs a medium
- 6. distance of one cycle
- 7. concentration of force per area