velength  de Broglie’s Wavelength - Extended to Accelerated Electron 3. Heisenberg’s Uncertainty Principle and Applications  Statement with three equations  Application of Heisenberg’s Uncertainty Principle (Non-confinement of the Electrons in the Nucleus) 4. Schrodinger’s Time Independent Wave Equation 5. Applications of Schrodinger’s Wave Equation  Particle in an One Dimensional Potential Well of Infinite Height  Eigen Values, Eigen Function & Probability Density for Ground State & First Two Excited States 6. Wave Function  Statement  Physical Significance (Probability Density-Max Born Interpretation & Normalization)  Properties of Wave Function 7. Numerical Problems II. LASER 1. Review of Spontaneous & Stimulated Processes 2. Energy Density Using Einstein’s Coefficients 3. Requisites of a Laser System 4. Condition for Laser Action 5. Principle, Construction & Working of CO2 Laser 6. Principle, Construction & Working of Semiconductor Laser 7. Applications of Lasers  Laser Range Finder (Defense)  Data Storage (Engineering) 8. Numerical Problems.