Particle nature of radiation, atomic models (Bohr, Sommerfeld), wave-particle duality, and basic quantum mechanics. Chapters 7–11

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This paper provides an extensive review of the textbook Modern Physics authored by G. Aruldhas and P. Rajagopal. As the landscape of physics education evolves, the bridge between classical mechanics and quantum theory remains a critical hurdle for undergraduate students. This text is examined for its efficacy in bridging this gap, its pedagogical structure, the selection of topics, and its relevance to the contemporary undergraduate curriculum in the Indian subcontinent and beyond. The analysis focuses on the authors' approach to complex topics such as quantum mechanics, special relativity, and nuclear physics, highlighting the text’s emphasis on mathematical rigor combined with conceptual clarity.

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Week 6 — Angular momentum and spin

Rotational, vibrational, and electronic spectra of molecules, alongside Raman spectroscopy. 4. Nuclear and Particle Physics

: Crystal structures, Band theory of solids, Magnetic properties, and Superconductivity. Nuclear & Applied Physics