Waves and Particle Nature of Light Notes - A Level Physics Edexcel

Revision posters for Topic 5 - Waves and Particle Nature of Light for the Edexcel A Level Physics course (2015 specification)

It covers:

• Nature of waves
  Transverse and longitudinal waves
  Definitions
  The wave equation
  The EM spectrum

• Wave behaviour
  Transmission of longitudinal and transverse waves
  Intensity of radiation equation
  Law of reflection
  Refraction
  How to find the value of n for a material
  Total internal reflection

• Lenses
  Converging / convex lenses
  Diverging / concave lenses
  Power of a lens
  Magnification
  The lens equation

• Polarisation
  Plane polarised waves
  LCD screens
  Stress analysis

• Superposition
  Definitions for wavefront, coherence, path difference, phase, superposition and constructive and destructive interference
  Path difference
  Standing waves
  Speed of transverse wave on a string equation

• Diffraction
  Diffraction
  Huygen’s construction
  Diffraction gratings
  Diffraction patterns

• Wave-particle duality
  Wave particle duality in light and electrons
  De Broglie equation
  Photoelectric effect
  Energy Levels

  On a seperate document, there is an explanation of pulse-echo techniques