IGCSE Physics · 5.2 Radioactivity
Radioactivity for IGCSE Physics
Radioactivity is mapped to 5.2 Radioactivity in the Cambridge IGCSE Physics pathway. Use this public guide to see exactly where the concept fits, what to master, and which GioPhysics resource continues the study sequence.
Where this fits
5.2 Radioactivity
- Curriculum
- Cambridge IGCSE Physics
- Theme or group
- Nuclear physics
- Current framework
- Examinations in 2026–2028 · Version 2 (December 2025)
Decay types and equations, then half-life and activity, are Chapter 46 lessons 24.2 and 24.3.
Mastery checklist
Know what success looks like.
- 01
State the physical model and the evidence or observation it explains.
- 02
Track energy, momentum, charge, and nucleon number through the process where applicable.
- 03
Interpret the relevant spectrum, decay, probability, or binding-energy representation.
Exam lens
Build, apply, check.
5.2 Radioactivity sits inside Nuclear physics. Build the concept first, then practise selecting a model, showing working, and checking the final result.
Teaching sequence
5.2 Radioactivity
This curriculum row maps directly to one GioPhysics concept guide.
- 01RadioactivityCurrent guide