Edexcel IGCSE Physics · Spec 3.24
Lenses & Ray Diagrams
Converging and diverging lenses and how to draw ray diagrams.
Physics revision video
Lenses & Ray Diagrams
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Spec 3.24
What you need to know
- Describe what a converging lens does
- Draw a ray diagram to locate an image
- Describe the image formed
Active recall
Quick check
Answer each question before opening the answer.
What is the difference between a converging and a diverging lens?
A converging (convex) lens brings parallel rays to a focus; a diverging (concave) lens spreads them out.
What image does a magnifying glass (convex lens, object inside the focal length) produce?
A magnified, upright, virtual image.
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