Physics A-Level
Propagation through vacuum at c
What Propagation through vacuum at c means in Physics A-Level, as defined for OCR.
Definition of Propagation through vacuum at c
Check what you remember
Read the wording for your board, then hide it and explain Propagation through vacuum at c in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
All regions travel through a vacuum at c = 3.00 × 10⁸ m s⁻¹.
Topics that use Propagation through vacuum at c
- Electromagnetic waves (OCR A-Level)
Related terms
- Critical angle
- Orders of magnitude across the spectrum
- Refraction
- Refraction in rectangular blocks
- Refractive index
- Shared wave behaviours and differing photon energies
- sin C = 1/n
- Spectrum ordering by wavelength and frequency
Using Propagation through vacuum at c 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