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Phase Difference

Edexcel A-level PhysicsSimple Harmonic MotionLesson 2 of 9

Imagine two pendulums swinging with a time period T for one complete cycle of 2 seconds. If one pendulum is 0.5 seconds behind the other one then the phase difference is a quarter of a cycle. Since one cycle is 2π radians, the phase difference will be ½π or (0.5/2.0) × 2π

Diagram

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