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Summary of photon emission and absorption by an atom. Comparison of absorption and emission spectra and study of the energy level diagram of the hydrogen atom. 00:00 - Comparison of spectra 00:28 - Emission of a photon 00:53 - Absorption of a photon All videos on this topic are grouped in this playlist: • 🔷 1st year of specialization - Light: waves and parti... Video explaining energy diagrams - Emission of a photon • Emission of a photon - Quantification... Video on the absorption of a photon and explanation of the absorption spectrum: • ABSORPTION of a photon - Quantification... High school program - 1st year of specialization in physics and chemistry: 📝Theme: Waves and signals Sub-theme: 2. Light: images and colors, wave and particle models ✔️ List the order of magnitude of the frequencies or wavelengths of electromagnetic waves used in various fields of application (medical imaging, visible optics, wifi signals, microwaves, etc.). ✔️ Use the expression giving the energy of a photon. Find other videos and methodological sheets to download for free: https://eprofs.fr Twitter: / e_profs Instagram: / e_profs_physique_chimie Facebook: / e-profs-467482426970398