Franck-Hertz Experiment
Supervisor: Dr. Jürgen Vogt, Wolfram Fritzsche
The
experiment separates into three
parts: besides a Franck-Hertz tube filled with mercury one uses a
sending tetrode filled with mercury for the measurements. The emission
spectrum of a mercury lamp is measured additionally with help of an
optical arrangement.
The following exercises are to be solved:
- Determination of the contact potential
- Measurement of the ionisation voltage
- Velocity distribution of electrons
- Determination of the excited levels
- Comparison of the results with the emission spectrum and the term scheme of mercury
description of this experiment