Physics · Class 12 Part II

Optics and Modern Physics in 5 chapters — from “Ray Optics and Optical Instruments” to “Semiconductor Electronics: Materials, Devices and Simple Circuits”.

Chapters

  1. Ray Optics and Optical Instruments
    • Introduction
    • Reflection of Light by Spherical Mirrors
    • Refraction
    • Total Internal Reflection
    • Refraction at Spherical Surfaces and by Lenses
    • Refraction Through a Prism
    • Optical Instruments
    • Summary
    • Points to Ponder
    • Exercises
  2. Wave Optics
    • Introduction
    • Huygens Principle
    • Refraction and Reflection of Plane Waves using Huygens Principle
    • Coherent and Incoherent Addition of Waves
    • Interference of Light Waves and Young’s Experiment
    • Diffraction
    • Polarisation
    • Summary
    • Points to Ponder
    • Exercises
  3. Dual Nature of Radiation and Matter
    • Introduction
    • Electron Emission
  4. Atoms
    • Introduction
    • Alpha-particle Scattering and Rutherford’s Nuclear Model of Atom
    • Atomic Spectra
    • Bohr Model of the Hydrogen Atom
    • The Line Spectra of the Hydrogen Atom
    • de Broglie’s Explanation of Bohr’s Second Postulate of Quantisation
    • Summary
    • Points to Ponder
    • Exercises
  5. Semiconductor Electronics: Materials, Devices and Simple Circuits
    • Introduction
    • Classification of Metals, Conductors and Semiconductors
    • Intrinsic Semiconductor
    • Extrinsic Semiconductor
    • p-n Junction
    • Semiconductor Diode
    • Application of Junction Diode as a Rectifier
    • Summary
    • Points to Ponder
    • Exercises