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Alisha Vira edited The_discrete_energy_levels_can__.tex
over 8 years ago
Commit id: 417030bade2aed83670bb792730b0c43a503d7f6
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where $\lambda$ is the mean free path, $L$ is the distance between accelerating grid and control grid, $\Delta E(n)$ is the spacing between two minima in Franck Hertz experiment, $n$ is the minimum order and $E_{a}$ is the lowest excitation energy.
In this lab, Ne atoms have only been excited to the second energy level and Ar atoms mainly stay in the first energy level. According to the NIST Atomic Spectra Database, the first excitation energy of Ne I is 16.62eV, and the second excitation energy level is 18.38eV. For
Ar, Ar I, the four sub levels within the first energy level are 11.55eV, 11.62eV, 11.72eV and 11.83eV respectively.
(INCLUDE DIAGRAM)
More stuff to discuss...
\begin{itemize}