CourseCourseQuestionQuestion
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
23.1 Mass defect and nuclear binding energy
23.2 Radioactive decay
23.2.1—Fluctuations in count rate provide evidence for the random nature of
23.2.2—Radioactive decay is both spontaneous and random
23.2.3—Activity and decay constant, and recall and use A = λN
23.2.4—Half-life
23.2.5—Λ = 0.693 / t 1/2
23.2.6—The exponential nature of radioactive decay, and sketch and use the
24. Medical physics
25. Astronomy and cosmology
Practical assessment skills
Mathematical, data, formula and circuit-symbol skills
A-Level/CAIE/Physics//A2/Concept/23. Nuclear physics/23.2 Radioactive decay/23.2.1—Fluctuations in count rate provide evidence for the random nature of

23. Nuclear physics A2

Syllabus
9702–2028–2029
Section
23
Level
A2

Exam analysis

Most tested topics

  1. Mass defect and nuclear binding energy
  2. Radioactive decay