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Stack #4639408
| Question | Answer |
|---|---|
| Diffraction | the change of direction of a wave when it encounters and obstacle or edge |
| Refraction | the bending of waves as they pass from one medium to another at an angle |
| Standing wave | a pattern of vibration that resembles a stationary wave |
| Reflection | the bouncing back of a wave when it meets a surface or boundary |
| Constructive Interference | interference that increases amplitude |
| Destructive Interference | interference that decreases amplitude |
| Principle of Superposition | method of adding crests and troughs |
| Beats | sounds produced by the interference of sound waves that are used to tune piano strings |
| Interference | the combination of two or more waves that result in a single wave |
| Nodes | points in a standing wave that have no vibration due to destructive interference |