Key term for OCR GCSE Physics A, used in Electromagnetic spectrum.
Photoreceptors in the retina that are highly sensitive to low light levels but cannot distinguish colours.
Rods appears in OCR GCSE Physics A revision content for Waves in matter, especially Electromagnetic spectrum and Visible spectrum detection.
Create a free account to access OCR GCSE Physics A revision notes, track progress, and practise related key terms.
