Physics A-Level
Interference and diffraction
What Interference and diffraction means in Physics A-Level, as defined for AQA.
Definition of Interference and diffraction
Check what you remember
Read the wording for your board, then hide it and explain Interference and diffraction in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Phenomena the wave model handles naturally but the particle model does not.
Topics that use Interference and diffraction
- Newton’s corpuscular theory of light (A-level only) (AQA A-Level)
Related terms
- Theory change in physics
- Authority in science
- Corpuscles
- Huygens’ construction
- Scientific method and evidence
- The aether and the medium for light
Using Interference and diffraction in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge