BRAINCAKE

Interference

AQA AS-level PhysicsWavesLesson 16 of 24

Interference is the name given to the cancellation a reinforcement that occurs when two waves meet and superpose on each other. The cancellation and reinforcement happen at the same point when the waves overlap if the waves are coherent.

Diagram

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Key terms in this lesson

Phase difference
The difference, measured in radians or degrees, between the phases of two oscillating points or waves.

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