A refracting telescope Animation Play

A refracting telescope Student activity Play

A spoon in a glass of water Animation Play

A virtual image in a mirror Animation Play

Adjusting sharpness Whiteboard exercise Play

Adjusting sharpness Simulation Play

Adjusting sharpness Student activity Play

An image formed by a concave mirror Animation Play

An image formed by a converging lens Animation Play

An image formed by a magnifying glass Animation Play

An image in a mirror Simulation Play

An image in a mirror Simulation Play

An image in a mirror Student activity Play

An image through a camera Animation Play

An object brought closer to the focal point Animation Play

An object brought closer to the mirror Animation Play

Analysis of photographs Slideshow Play

Application of convex mirrors Slideshow Play

Areas of images of figures under enlargement Student activity Play

Areas of images of figures under enlargement Whiteboard exercise Play

Areas under enlargement Animation Play

Binoculars Student activity Play

Centre of enlargement Student activity Play

Characteristic rays Animation Play

Composing transformations Student activity Play