Physics A-Level
White light
What White light means in Physics A-Level, as defined for AQA.
Definition of White light
Check what you remember
Read the wording for your board, then hide it and explain White light in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Light whose wavelengths each produce their own pattern, so the central maxima overlap to give a white centre while the secondary maxima spread into coloured fringes.
Topics that use White light
- Diffraction (AQA A-Level)
Related terms
- Central maximum
- Constructive interference
- Diffraction grating equation
- Experimental control of diffraction variables
- Monochromatic light
- Order of the maximum
- Path difference
- Secondary maxima
Using White light 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