| Question |
Answer |
| vibration |
a repeating back and forth motion at an equilibrum position |
| wave |
a disturbance that is transmitted from one place to the next without the transportation of matter |
| peroid |
the time of a back and forth swing |
| simple harmonic motion |
back and forth motion of a pendulum |
| sine curve |
a pictoral representation of a wave |
| crest |
high points on a wave |
| trough |
low points on a wave |
| amplitude |
the distance from the equilibrum position to hte trough or crest |
| wave length |
is the distance from one crest to another |
| frequency |
the number of waves per second |
| hertz |
the unit of frequency |
| transverse wave |
when the moition of the medium is at right angles to the direction in witch the wave is traveling |
| longitudinal waves |
when the medium and the direction of the wave are going the same way |
| interference pattern |
is a regular arrangement of places where wave effects are increasing decreasing or stay the same |