Subjects / LC Physics / Modern physics
Models of the atom, energy levels and emission spectra (2025 spec)
Thomson, Rutherford and Bohr models, energy levels, E2 − E1 = hf, line spectra, and mass defect and binding energy. Added for the revised specification (students starting 5th year from September 2025).
5th Year6th Year HigherOrdinary
Helps to know first:
The electron: thermionic and photoelectric emission, X-rays
15practice questions
Match the pairs: 2 · Multiple choice: 6 · Numeric answer: 4 · Put in order: 2 · Short answer: 1
Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.
Practise this topic