Across
- 4. a wave caused by a disturbance in electric and magnetic fields and doesn't require a medium.
- 6. is a wiggle or movement in time
- 8. a wave that requires a medium though wich to travel.
- 9. the time it takes for a complete vibration
- 10. a wiggle in space in time
Down
- 1. Vibration is in the direction of travel
- 2. the number of to-and-fro vibrations in a given time.
- 3. is the returning of a wave to the medium through which it came when it encounter a reflective surface
- 5. Vibration is at right angles to wave travel.
- 7. describes how fast the disturbance moves through the medium.