In a ray diagram, a converging lens is drawn as a vertical line with outward facing arrows to indicate the shape of the lens. Key point The focal length f of a converging lens is defined as the ...

Learn about and revise lenses, magnifying lenses, images and ray diagrams with this GCSE Bitesize Physics revision guide for OCR Gateway.

Derivations, formulas, ray diagrams, and important concepts from ray optics and optical instruments are vital for scoring high marks in Class 12 Physics.