Sommerfeld atomic model, relativistic correction, hydrogen alpha transition The Universe always mesmerizes us with full of mysteries. It poses exciting questions to humans whenever one solves one question. Even today, it grabs our attention to unsolvable mysteries. And it excites science lovers with complex puzzles. One such curious puzzle is the appearance of fine structures in the hydrogen alpha spectral line of the Balmer series. The Bohr-Sommerfeld model solved it. Atom is the fundamental constituent of the Universe. Hence, the study of atomic structure has much significance in spectroscopy that solved the complexities of astronomy. Today's blog article discusses the drawbacks of the Bohr atomic model. And it depicts Sommerfeld's extension to overcome the limitations of the Bohr atomic theory. The Sommerfeld atomic model A brief introduction to the Sommerfeld atomic model Bohr's atomic model interpreted the electronic structure in the atom with stationary energy levels...