Light and Optics
Explore light and optics with interactive experiments. Guide lasers through mirror mazes, bend light through water and glass, form images with lenses, split white light into a rainbow and mix coloured light.
Light and Optics experiments
Shadow Theatre
Move the torch and objects to grow and shrink shadows.
Try it nowMirror Maze
Place mirrors to guide a laser to the target.
Try it nowBent Pencil
Shine a laser into water and glass to see refraction.
Try it nowFibre Optics
Trap light inside a fibre with total internal reflection.
Try it nowLens Lab
Move objects near a lens and watch images form.
Try it nowBuild a Telescope
Combine two lenses to see far away.
Try it nowRainbow Maker
Split white light with a prism.
Try it nowColour Mixer
Mix red, green and blue light and compare with paint.
Try it now
Key equations
angle in = angle outn₁ sin θ₁ = n₂ sin θ₂1/f = 1/u + 1/v