💡 Hydrogen Atom Photon Emission: Bohr Levels, Balmer and Lyman Lines

Drop the electron of a Bohr hydrogen atom between levels and watch the emitted photon fly to a spectrum screen. Energy-level diagram, Rydberg formula, Lyman, Balmer and Paschen lines, a random cascade and the reduced-mass correction, checked against tabulated wavelengths.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install