L10A
Electron orbits
The failure of classical physics
Bohr Atom
L10B
Atomic Spectra
Emission line spectra
Absorption line
Emission line spectra
Absorption line
L10C
Spectral series of a H atom
Energy Level and Spectra Nuclear Motion
Correspondence Principle
Energy Level and Spectra Nuclear Motion
Correspondence Principle
L10D
Atomic excitation
Photon absorption
