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QuestionAnswer
Diffraction - the change in direction of a wave when it encounters an 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 of interfering waves together to 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 or more waves that results in a single wave.
Nodes - point in a standing wave that have no vibration due to destructive interference
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