6A46.16 Rainbow Dust (Glassbow)

Concepts

Dispersion of light, refraction, reflection

Overview

A light is shone onto a board with many small glass beads attached. Reflection, refraction and dispersion of light in the beads results in the appearance of a "rainbow."

Details

Equipment

  • [1] Table lamp
  • [1] Board with beads

Classroom Assembly

  1. Place the lamp on the table.
  2. Lean the board against the wall in front of the lamp.

Script

  1. Turn off the room lights.
  2. Turn on the table lamp. Adjust the position of the lamp as necessary.

 

Additional Resources

References

  • PIRA 6A46.16

Disclaimer

  • Don't attempt this at home!

Last revised

  • 2022

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.