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.
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.
Revise this topic with flashcards: A Level Physics Flashcards, with mark scheme answers for Anki and Quizlet.