Wavelength
What Wavelength means in Physics A-Level, as defined for AQA, OCR.
Definitions of Wavelength
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Wavelength in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
For a transverse wave, the distance between successive crests; for a longitudinal wave, the distance between successive compressions.
The distance between two successive points in phase, such as crest to crest.
The distance between successive points in phase.
Topics that use Wavelength
- Progressive waves (AQA A-Level)
- Wave motion (OCR A-Level)
Related terms
- Frequency
- Phase difference
- Amplitude
- Compressions and rarefactions
- Diffraction and gap-to-wavelength ratio
- Displacement
- Displacement–distance graph
- Frequency as a source-determined property
Using Wavelength 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge