PART I: ATOMIC PHYSICS 1: Structure of the Atom 2: Photoelectric Effect and Planck's Quantum Theory PART II: QUANTUM MECHANICS 3: Wave Properties of Particles 4: Schrödinger Equation and its Applications 5: Quantum Theory of the Hydrogen Atom 6: Operator Formalism of Quantum Mechanics 7: Identical Particles and Spin 8: Scattering Theory PART III: NUCLEAR PHYSICS 9: Introduction to the Nucleus 10: Radioactivity 11: Nuclear Fission and Fusion PART IV: LASERS 12: Lasers LAB EXPERIMENTS Introduction to Lab Experiments 1: Measurement of Planck's constant using a Photo-Electric Cell 2: Characteristic Curves of a Photoelectric Cell 3: Determination of Work Function of Material of Filament of Directly Heated Vacuum Diode 4: Determination of Planck's constant Using LEDs 5: Emission Spectrum of Hydrogen (Determination of the Wavelength of H-alpha Emission Line of Hydrogen Atom) 6: Determination of Ionisation Potential of Mercury 7: Absorption Spectrum of Iodine Vapour Using Spectrometer 8: Specific Charge (e/m) of Electron-Magnetic Focusing Method 9: Determination of e/m for the Electron 10: Determination of the Electronic Charge: Millikan's Oil-drop Method 11: Tunnel Diode 12: Measurement of Wavelength of Laser Source Using Single Slit Diffraction 13: Wavelength and Angular Spread of He-Ne Laser Using Plane Diffraction Grating 14: Determination of the Excitation Potential of Mercury/Argon by Franck-Hertz Experiment Index