Visible Spectrum & Existence of IR Light
![](https://alomshaha.com/wp-content/uploads/2020/11/Visible-Spectrum.png)
Andreas Tober shows how to produce a clear spectrum of visible light, and how to use modern school apparatus to demonstrate Herschel’s experiment showing the existence of infrared radiation.
If you’re a teacher and you want to try this yourself, you might find these notes by Dr Carol Davenport useful: