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Discrete energy levels

Discrete energy levels

Energy level diagram with levels n=1 to n=4 and a downward transition from n=3 to n=2 emitting a photon labelled hf = E_1 - E_2

Energy levels and photon emission Lesson

  1. A Level
  2. /Physics
  3. /Energy levels and photon emission

Step-by-step lessons on AQA A Level Physics Energy levels and photon emission. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks 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