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How to calculate u0 in Frank Hertz's experiment?
Frank-Hertz experiment proves that there are discrete steady-state energy levels in the internal structure of atoms. This fact directly proves that the mercury atom has the "completely determined and separated energy state" envisaged by Bohr, which is the first decisive evidence of Bohr's atomic quantization model.
In this experiment, we can observe the quantization phenomenon of energy transfer when electrons collide with mercury vapor atoms, and measure the first excitation potential of mercury atoms, thus deepening the understanding of the concept of atomic energy level.
Frank-Hertz experiment provides direct evidence for the existence of energy levels and is a strong support for Bohr's atomic theory. He is good at the experimental study of low-voltage physical discharge. 19 13 collaborated with G. Hertz at the university of Berlin to study the relationship between ionization potential and quantum theory. The method used is the reverse voltage method, from which they obtained a series of gases.
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