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Edexcel International A Level · Physics

Thermodynamics, Radiation, Oscillations and Cosmology(Unit 5) revisionBuild it yourself.

Unit 5 covers 4 topics and 22 subtopics. Pick the ones you keep getting wrong and LOCKIN writes you an original exam-style paper, with a full mark scheme.

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What's in Unit 5

Every topic below can be selected on its own, or combined into one paper.

Thermodynamics

  • Specific heat capacity and latent heat
  • Internal energy and absolute temperature
  • The ideal gas equation
  • Kinetic theory

Usually 2–10 marks

Nuclear Decay

  • Binding energy and mass defect
  • Fission and fusion
  • Radiation types and background
  • Nuclear equations
  • Half-life and activity

Usually 2–11 marks

Oscillations

  • Simple harmonic motion
  • Period of spring and pendulum systems
  • SHM graphs and energy
  • Resonance, free and forced oscillations
  • Damping

Usually 2–10 marks

Astrophysics and Cosmology

  • Gravitational fields and Newton's law
  • Gravitational potential and field comparison
  • Orbital motion
  • Black body radiation, Stefan-Boltzmann and Wien
  • Luminosity and the inverse-square law
  • Parallax and standard candles
  • H-R diagrams and stellar evolution
  • Doppler shift, redshift and Hubble's law

Usually 2–10 marks

Other Physics units

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