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Ch. 11 vocab
waves
| Term | Definition |
|---|---|
| amplitude | the maximum displacement from equilibrium |
| anti-node | a point in a standing wave, halfway between two nodes |
| complete destructive interference | occurs when two pulses completely cancel each other out |
| constructive interference | interference in which individual displacements on the same side of equilibrium are added together to form a resultant wave larger that the individual waves |
| crest | the highest point on a wave |
| destructive interference | interference in which individual displacements on opposite sides of equilibrium are combined to form a resultant wave |
| frequency | the number of cycles or vibrations per unit of time |
| longitudal wave | a wave whose particles vibrate parallel to the direction of wave motion |
| mechanical wave | a wave that requires a material medium |
| medium | the material through which a disturbance travels |
| node | a point in a standing wave that undergoes complete destructive interference and therefore is stationary |
| period | the time it takes to complete a cycle of motion |
| periodic wave | a wave whose source is some form of periodic motion |
| pulse wave | a single non-periodic disturbance |
| transverse waves | a wave whose particles vibrate perpendicular to the direction of wave motion |
| trough | the lowest point of a wave |
| wavelength | the distance from crest to crest or from trough to trough |
Created by:
accident_prone
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