shaalaa.com | Wave Optics Introduction
- Wave front and Huygen's principle; reflection and refraction of plane wave at a plane surface using wave fronts. Proof of laws of reflection and refraction using Huygen's principle. Interference;
- Young's double slit experiment and expression for fringe width, coherent sources and sustained interference of light; diffraction due to a single slit; width of central maximum ; resolving power of microscope and astronomical telescope, polarisation; plane polarised light;
- Brewster's law; uses of plane polarised light and Polaroids.