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
- Place the cardboard on the projector so that the projector will emit a thin vertical line of light.
Script
- 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.
Additional Resources
References
- PIRA 6F30.10
Disclaimer
- Don't attempt this at home!
Last revised
- 2023
Technicals
Related AV
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