Spec J249
Revise OCR GCSE Physics 5.3.3 Convex and concave lenses with the question bank and revision guides.
use ray diagrams to illustrate reflection, refraction and the similarities and differences between convex and concave lenses (qualitative only); Practical (PAG P4 Measuring waves): use concave and convex lenses to investigate how they alter the path of light, and how the image of a light bulb varies with its distance from a convex lens.
