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Cambridge International AS & A Level Physics (9702)

12. Motion in a circle

13. Gravitational fields

14. Temperature

15. Ideal gases

16. Thermodynamics

17. Oscillations

18. Electric fields

19. Capacitance

20. Magnetic fields

21. Alternating currents

22. Quantum physics

23. Nuclear physics

24. Medical physics

24.1 Production and use of ultrasound

24.2 Production and use of X-rays

24.3 PET scanning

24.3.1—A tracer is a substance containing radioactive nuclei that can be introduced

24.3.2—That a tracer that decays by β+ decay is used in positron emission

24.3.3—Annihilation occurs when a particle interacts with its antiparticle and that

24.3.4—That, in PET scanning, positrons emitted by the decay of the tracer

24.3.5—The energy of the gamma-ray photons emitted during the annihilation of an

24.3.6—The gamma-ray photons from an annihilation event travel outside the body and

25. Astronomy and cosmology

Practical assessment skills

Mathematical, data, formula and circuit-symbol skills

A-Level/CAIE/Physics//A2/Concept/24. Medical physics/24.3 PET scanning/24.3.4—That, in PET scanning, positrons emitted by the decay of the tracer

24. Medical physics A2

Syllabus: 9702–2028–2029
Section: 24
Level: A2

Exam analysis

Most tested topics

Production and use of ultrasound
Production and use of X-rays
PET scanning