Edexcel IGCSE Physics 4PH1: Top 10 Most Frequently Tested Topics
Methodology
This list is based on analysis of Pearson Edexcel IGCSE Physics 4PH1 past papers (2019–2025), examiner reports, mark schemes and specification. The specification has 8 main sections; topics are ranked by frequency.
Top 10 most frequently tested topics
1. Forces and motion
Evidence: Motion, forces, momentum. Core to Papers 1P and 2P. Examiner reports note working and units.
Covers: speed, velocity, acceleration; forces; Newton’s laws; momentum.
2. Electricity
Evidence: Circuits, current, voltage, resistance. Appears in almost every paper.
Covers: series and parallel; Ohm’s law; power; mains electricity.
3. Waves
Evidence: Wave properties, electromagnetic spectrum, light, sound. Examiner reports note terminology.
Covers: wave properties; EM spectrum; reflection; refraction; sound.
4. Energy resources and transfers
Evidence: Energy, work, power, efficiency. Core topic.
Covers: energy types; conservation; work; power; efficiency; energy resources.
5. Solids, liquids and gases
Evidence: Density, pressure, gas laws. Examiner reports note particle model and pressure.
Covers: density; pressure; kinetic theory; change of state.
6. Magnetism and electromagnetism
Evidence: Magnetic fields, electromagnetism, induction. Examiner reports note motor effect.
Covers: magnetism; electromagnets; motor effect; electromagnetic induction.
7. Radioactivity and particles
Evidence: Alpha, beta, gamma; half-life. Examiner reports note radioactivity errors.
Covers: types of radiation; half-life; uses; nuclear fission and fusion.
8. Light and optics
Evidence: Reflection, refraction, lenses. Ray diagrams.
Covers: reflection; refraction; lenses; ray diagrams.
9. Motion and kinematics
Evidence: Equations of motion; graphs. Examiner reports note graph interpretation.
Covers: equations of motion; distance-time; velocity-time graphs.
10. Astrophysics (extended)
Evidence: Motion in universe; stellar evolution. Extended content.
Covers: satellites; stellar evolution; cosmology.
Revision priority
Forces and motion and electricity carry the most marks. Show working and include units. See common mistakes.
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Sources: Edexcel past papers 2019–2025, examiner reports, specification.
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