Introduction To Modern Physics: Vol. 1

Contents: Unit-I: The Special Theory of Relativity. Unit-II: Quantum of Mechanics. 1. Origin of Quantum Concepts. 2. Wave Nature of Material Particles. 3. Schrödinger Equation. 4. Potential Barrier Problems. 5. Eigen Values of L^2 and L^Z Axiomatic Formulation of Quantum Mechanics. 6. Particle in a Box . 7. Harmonic Oscillator. 8. Rigid Rotator. 9. Particle in a Central Force Field. Unit-III: Statistical Mechanics: 1. Preliminary Concepts. 2. Phase Space. 3. Ensemble Formulation of Statistical Mechanics. 4. Distribution Functions. 5. Applications of Quantum Statistics. 6. Partition Function. 7. Application of Partition Function. Unit-IV: Atomic Spectra: 1. Atomic Spectra-I. 2. Atomic Spectra-II. 3. Atomic Spectra-III . 4. Magneto-optic and Electro-optic Phenomena. 5. X-Rays and X-Ray Spectra. Unit-V: Molecular Spectra of Diatomic Molecules: 1. Rotational Spectra of Diatomic Molecules. 2. Vibrational Spectra of Diatomic Molecules. 3. Vibration-Rotation Spectra of Diatomic Molecules. 4. Electronic Spectra of Diatomic Molecules. 5. Raman Spectra. 6. Lasers and Masers.

This edition of the book has been designed to meet the latest requirements of undergraduate students preparing for bachelor`s degree in physical sciences of Indian Universities. The author has been very careful in selecting the topics laying their sequence and style of presentation to make it easier to understand intrigue concepts. A large number of  solved problems are given in each unit. The sequence of units adopted for Volume I are Unit I-Special Theory of Relativity Unit II-Quantum Mechanics Unit III-Statistical Mechanics Unit IV-Atomic Spectra and Unit V-Molecular Spectra of Diatomic Molecules.