Contents

1.  Interference          

Objectives, Introduction, Superposition, Basics of Interference, Young’s Double Slit Experiment, Fresnel’s Biprism, Determination of Thickness of Thin Transparent Sheet (Displacement of Fringes), Interference by Division of Amplitude, Newton’s Rings, Michelson’s Interferometer, Application of Interference, Revision at a Glance, Review Questions, Numericals, Polarisation, 2. Objectives, Introduction, Experiment Verifying Polarisation (Optical Method), Some Important Definitions, Methods of Production of Polarised Light, Law of Malus, Nicol Prism, Huygen’s Theory of Double Refraction, Phase Retardation Plate, Elliptically and Circularly Polarised Light, Experimental Arrangement to Produce Elliptically, Detection and Analysis of Polarised Light, Distinction Between Quarter wave Plate, Optical  Activity, Polarimeter, Illustrative Examples, Revision at a Glance, Review Questions, Numericals.

3. Diffraction             

Objectives, Introduction, Fraunhofer’s Diffraction Due to Single Slit, Intensity Distribution of Diffraction Pattern, Diffraction Pattern, Width of Central Maximum, Fraunhofer’s Diffraction at Circular Aperture, Plane Transmission Grating, Formation of Spectra by a Grating, Determination of Wavelength of Light by, Resolving Power, Rayleigh Criteria of Resolution, Resolving Power of a Telescope, Resolving Power of a Plane Diffraction Grating, Diffraction of X–Rays, Bragg’s Law, Illustrative Examples, Revision at a Glance, Review Questions, Numericals.

4. Quantum Mechanics

Objectives, Introduction, Blackbody Radiation, Compton Effect, de Broglie’s Hypothesis and Matter Waves, Heisenberg’s Uncertainty Principle, Wave Packets, Physical Significance of Wave Function (), Schrödinger’s Equation, Free Particle in a one Dimensional Box, Illustrative Examples, Revision at a Glance, Review Questions, Numericals.

5. Special Theory of Relativity