IB Physics E.2 Quantum physics: practice questions and video explanations

What you need to know for E.2 Quantum physics

• Explain the photoelectric effect with Einstein’s equation
• Use threshold frequency, work function and stopping potential
• Calculate the de Broglie wavelength of particles
• Describe electron diffraction and Compton scattering

E.2 Quantum physics questions in the question bank

Exam-style questions

30

Multiple choice (Paper 1A style)

24

Structured (Paper 1B and 2 style)

6

Free to try

3

Every question has a mark scheme. Multiple-choice answers are marked instantly, and for structured questions you open the mark scheme part by part and award yourself the marks you earned. Most questions also have a step-by-step video explanation presented by an IB teacher or a former IB student.

Practising E.2 Quantum physics needs Premium. Topic A (Space, time and motion) and uncertainties are free with a free account.

Try a free E.2 Quantum physics question

Real questions from the question bank. Choose an answer and check it, then see the mark scheme and the video explanation.

More from theme E: Nuclear and quantum physics

• E.1 Structure of the atomSL and HL (with HL extension)
• E.3 Radioactive decaySL and HL (with HL extension)
• E.4 FissionSL and HL
• E.5 Fusion and starsSL and HL

Full practice papers

When you have practised by topic, sit a full SL or HL mock exam with Paper 1A, Paper 1B and Paper 2, or see every IB Physics topic.