Key term for OCR GCSE Physics A, used in Practical Activity Groups.
A measure of how much a medium slows down light; calculated as the ratio of the sine of the angle of incidence to the sine of the angle of refraction (n = sin i / sin r).
Refractive index appears in OCR GCSE Physics A revision content for Practical skills, especially Practical Activity Groups and Interactions of waves.
Create a free account to access OCR GCSE Physics A revision notes, track progress, and practise related key terms.
