Скачать или смотреть GATE Physics PYQs 2012–2025 | Rotational Vibrational & Raman Effect | POTENTIALG | Lalit Sir

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In this video, Lalit Sir solves and explains GATE Physics PYQs (2012–2025) from the topic Atomic and Molecular Physics, with special focus on Lasers and Spectroscopy.

This lecture covers both theory + numerical PYQs and is extremely useful for GATE Physics, CSIR NET, JEST, TIFR, and M.Sc / Ph.D entrance preparation.

📚 Topics Covered:
Spectra of one- and many-electron atoms
Spin-orbit interaction
LS and jj coupling schemes
Fine and hyperfine structures
Zeeman and Stark effects
Electric dipole transitions & selection rules
Rotational and vibrational spectra of diatomic molecules
Electronic transitions & Franck–Condon principle
Raman effect
EPR, NMR, ESR spectroscopy
X-ray spectra
Lasers: Einstein coefficients, population inversion, two- and three-level laser systems

All explanations are concept-based, exam-oriented, and fully aligned with GATE Physics PYQs (2012–2025).

👉 This session is part of the Atomic & Molecular Physics series on POTENTIALG by Lalit Sir.

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