6F30.10 Dispersion of a Prism

Concepts

Index of refraction, dispersion

Overview

A thin beam of white light from an overhead projector goes into a prism, dispersing the colours into a rainbow.

Details

Equipment

  • [1] Overhead projector
  • [1] Prism
  • [2] Sheet of thick cardboard

Classroom Assembly

  1. Place the cardboard on the projector so that the projector will emit a thin vertical line of light.

Script

  1. Turn on the projector.
  2. Hold the prism by the parallel flat faces, with one of the points of the triangle facing the projector lens.
  3. Make minor adjustments until a rainbow appears.

 

Additional Resources

References

  • PIRA 6F30.10

Disclaimer

  • Don't attempt this at home!

Last revised

  • 2017

Technicals

Related AV

Related demos

  • ?

 

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.