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Diffraction The change in direction of a wave when it encounters ans obstacle or edge.
Refraction The bending of waves as they pass from one medium to another 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 of interfering waves together that describe a new wave.
Beats Sounds produced by the interference of sound waves that are used to tune piano strings.
Interference The combination of two of more waves that results in a signal wave.
Nodes Points in a standing wave that have no vibration.
Sound
Pitch
Created by: 2026495IG
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