Lenses and magnification
Convex and concave lenses, ray diagrams, real and virtual images, and magnification = image height ÷ object height.
You will be able to
- Describe how convex and concave lenses refract light
- Use a ray diagram to find an image and say whether it is real or virtual
- Calculate magnification, with heights in mm or cm
25 minutes, 9 exam-style questions, with the Lenses simulation.