CourseCourse QuestionQuestion

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

22.1 Energy and momentum of a photon

22.2 Photoelectric effect

22.2.1—Photoelectrons may be emitted from a metal surface when it is illuminated by

22.2.2—The terms threshold frequency and threshold wavelength

22.2.3—Photoelectric emission in terms of photon energy and work function energy

22.2.4—Hf = Φ + 1/2 mvmax 2

22.2.5—Why the maximum kinetic energy of photoelectrons is independent of

22.3 Wave–particle duality

22.4 Energy levels in atoms and line spectra

23. Nuclear physics

24. Medical physics

25. Astronomy and cosmology

Practical assessment skills

Mathematical, data, formula and circuit-symbol skills

A-Level/CAIE/Physics//A2/Concept/22. Quantum physics/22.2 Photoelectric effect/22.2.4—Hf = Φ + 1/2 mvmax 2

22. Quantum physics A2

Syllabus: 9702–2028–2029
Section: 22
Level: A2

Exam analysis

Most tested topics

Energy and momentum of a photon
Photoelectric effect
Wave–particle duality
Energy levels in atoms and line spectra