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Superposition and stationary waves
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Superposition in a snapshot

Superposition in a snapshot

Superposition diagram showing in-phase upward pulses adding to double amplitude and antiphase pulses cancelling to zero

Displacement is the signed distance from equilibrium at one instant, while amplitude is the maximum possible displacement.

Superposition and stationary waves Lesson

  1. A Level
  2. /Physics
  3. /Superposition and stationary waves

Step-by-step lessons on Edexcel A Level Physics Superposition and stationary waves. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons