Waves Unit Vocabulary

2. the time required for one complete cycle of vibration to pass a given point.
4. particle Duality, the concept in quantum mechanics.
6. a vibrating system forces another system around it to vibrate with greater amplitude.
7. effect, an increase or decrease in the frequency.
9. the change in direction of a wave passing from one medium to another
11. a point along a standing wave where the wave has minimum amplitude.
12. the sensation of a frequency.
14. Wave, a wave vibrating at right angles to the direction of its propagation.
15. Interference, a pair of light or sound waves pass through each other.
19. the repetitive variation.
21. the number of occurrences of a repeating event per unit of time.
22. the maximum displacement or distance moved by a point.
25. Interference, when two waves superpose to form a resultant wave.
26. the spreading out of waves as they pass through an aperture or around objects.

1. simply a point along a medium which undergoes maximum displacement.
3. Interference, the net effect of the combination of two or more wave trains.
5. the distance over which the wave's shape repeats.
8. the point on a wave with the greatest positive value or upward displacement in a cycle.
10. a region in a longitudinal wave where the particles are closest together.
13. the change in direction of a wavefront at an interface between two different media
16. the lowest point below the rest position.
17. the reduction of an item's density.
18. the matter that a wave travels through.
20. Wave, a wave vibrating in the direction of propagation.
23. a bundle of electromagnetic energy.
24. Pulse, a special non-periodic waveform that typically has one major crest.