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Wave-particle duality past paper questions

A2 Physics 9702 · Quantum physics. 1 understand that the photoelectric effect provides evidence for a particulate nature of electromagnetic radiation while phenomena such as interference and diffraction provide evidence for a wave nature 2 describe and interpret qualitatively the evidence provided by electron diffraction for the wave nature of particles 3 understand the de Broglie wavelength as the wavelength associated with a moving particle 4 recall and use λ = h / p

In Cambridge A Level A2 Physics 9702, Wave-particle duality came up in 12 of the 42 papers on Paperstreak, for about 6 marks a paper when it does. It last came up in May/June 2025.

Often set with PET scanning, Field of a point charge, Radioactive decay.

12 questions, newest first

1. 9702/41/M/J/25 Question 8 parts (a) (b) · 3 marks
2. 9702/43/M/J/25 Question 8 parts (a) (b) · 3 marks
3. 9702/42/O/N/24 Question 9 · 9 marks
4. 9702/41/M/J/23 Question 7 · 9 marks
5. 9702/43/M/J/23 Question 7 · 9 marks
6. 9702/42/M/J/22 Question 8 · 8 marks
7. 9702/42/F/M/22 Question 8 · 7 marks
8. 9702/41/O/N/21 Question 10 · 9 marks
9. 9702/43/O/N/21 Question 10 parts (a(i)) (a(ii)) (b(i)) (b(ii)) (c(ii)) · 7 marks
10. 9702/41/M/J/21 Question 6 part (b) · 2 marks
11. 9702/43/M/J/21 Question 6 part (b) · 2 marks
12. 9702/42/M/J/20 Question 11 part (b) · 4 marks

More in Quantum physics: Energy and momentum of a photon, Photoelectric effect, Energy levels in atoms and line spectra.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.