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What are the differences between constructive and destructive interference?
Constructive: Wave displacements in the same direction, larger amplitude | Destructive: Wave displacements in opposite directions, smaller amplitude.
What happens when two waves with the same phase meet?
Constructive interference occurs, resulting in a larger amplitude.
What happens when two waves with opposite phases meet?
Destructive interference occurs, resulting in a smaller amplitude or cancellation.
What causes beats to occur?
The superposition of two waves with slightly different frequencies.
What happens when two waves with slightly different frequencies superpose?
Beats are produced, resulting in periodic amplitude fluctuations.