6F30.10 Colour Dispersion Through a Prism
Index of refraction, dispersion
A thin beam of white light from an overhead projector goes into a prism, dispersing the colours into a rainbow.
-  Overhead projector
-  Prism
-  Sheet of thick cardboard
- Place the cardboard on the projector so that the projector will emit a thin vertical line of light.
- Turn on the projector.
- Hold the prism by the parallel flat faces, with one of the points of the triangle facing the projector lens.
- Make minor adjustments until a rainbow appears.
- PIRA 6F30.10
- Don't attempt this at home!
If you have any questions about the demos or notes you would like to add to this page, contact Ricky Chu at ricky_chu AT sfu DOT ca.