# Franck–Hertz experiment

> experiment confirming quantisation of energy levels

**Wikidata**: [Q726406](https://www.wikidata.org/wiki/Q726406)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Franck–Hertz_experiment)  
**Source**: https://4ort.xyz/entity/franck-hertz-experiment


## References

1. Freebase Data Dumps. 2013