OCR A Level Physics B (Advancing Physics)

OCR A Level Physics B (Advancing Physics) Waves and Quantum Behaviour Exam Questions

Free OCR A Level Physics B (Advancing Physics) exam questions on Waves and Quantum Behaviour, with mark schemes. Covers superposition, interference, path difference, photons, phasors and quantum behaviour.

Waves and Quantum Behaviour exam questions

These packs of real past exam questions cover the whole of Module 4: Understanding Processes, including Waves and Quantum Behaviour. Work through every question on this sub-topic, then mark your answers against the mark scheme.

Module 4: Understanding Processes exam questions for OCR A Level Physics B (Advancing Physics)Questions and mark scheme
A Level Physics Flashcards StemUp mark scheme flashcards A Level Physics Flashcards Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page. View flashcards

About OCR A Level Physics B (Advancing Physics) Waves and Quantum Behaviour

This sub-topic covers waves and the quantum picture of light and electrons.

What you need to know

  • Superposition Interference, path difference and stationary waves.
  • Diffraction Double slits and gratings.
  • Photons E = hf and the photoelectric effect.
  • Quantum behaviour Phasors, probability and electron diffraction.

Common mistakes in Waves and Quantum Behaviour

  • Confusing path and phase difference.
  • Treating photons as classical particles only.

Try three Waves and Quantum Behaviour exam-style questions

1. Find the energy of a photon of frequency 6.0 x 10¹⁴ Hz. (1 mark)

Show the mark scheme answer

4.0 x 10⁻¹⁹ J.

2. State the condition for constructive interference. (1 mark)

Show the mark scheme answer

Path difference is a whole number of wavelengths.

3. State what electron diffraction shows. (1 mark)

Show the mark scheme answer

Electrons behave as waves.

Waves and Quantum Behaviour FAQs

What does this cover?

Waves, superposition and quantum behaviour.

What are phasors?

Rotating arrows representing phase used to add amplitudes.

Which practical links here?

Measuring wavelength with a grating.