Inside The Frank-Hertz Experiment Setup
The Frank-Hertz experiment is a fundamental physics experiment that demonstrates the quantization of energy levels in atoms. Conducted by James Franck and Gustav Hertz in 1914, the setup involves a vacuum tube containing low-pressure mercury vapor. Electrons are accelerated through a potential difference and collide with mercury atoms, resulting in energy transfer that leads to excitation of the atoms. The experiment showcases discrete energy levels as evidenced by the current-voltage characteristics observed, where peaks correspond to specific energy transitions of the mercury atoms.
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