Energy levels in atoms and line spectra past paper questions

A2 Physics 9702 · Quantum physics. 1 understand that there are discrete electron energy levels in isolated atoms (e.g. atomic hydrogen) 2 understand the appearance and formation of emission and absorption line spectra 3 recall and use hf = E1 – E2

In Cambridge A Level A2 Physics 9702, Energy levels in atoms and line spectra came up in 9 of the 42 papers on Paperstreak, for about 5 marks a paper when it does. It last came up in October/November 2025.

Often set with Energy and momentum of a photon, Hubble’s law and the Big Bang theory.

9 questions, newest first

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

More in Quantum physics: Energy and momentum of a photon, Photoelectric effect, Wave-particle duality.

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