A converging image, x < f Student activity Play

A converging lens Animation Play

A converging lens Animation Play

A converging lens Animation Play

A lens Class activity Play

A lens Whiteboard presentation Play

A mirror and a light bulb Student activity Play

A mirror and a light bulb Animation Play

An image formed by a converging lens Animation Play

Converging and diverging lenses Student activity Play

Converging and diverging lenses Simulation Play

Converging and diverging lenses Whiteboard exercise Play

Converging lens Animation Play

Converging lens, f < x < 2f Whiteboard exercise Play

Converging lens, f < x < 2f Simulation Play

Converging lens, f < x < 2f Student activity Play

Converging lens, x < fower Whiteboard exercise Play

Converging lens, x > 2f Whiteboard exercise Play

Converging lens, x > 2f Student activity Play

Focal length and the shape of a lens Student activity Play

Focusing of rays Student activity Play

Glasses Whiteboard exercise Play

Glasses Student activity Play

Glasses Simulation Play

Lenses Whiteboard presentation Play