Derive an expression for the intensity distribution due to Fraunhofer diffraction at a single slit and show that relative intensities of successive maxima are nearly 1:4/9 : 4/25 : 4/49.
Explain the formation of interference fringes using Fresnel biprism when a monochromatic source of light is used. Derive an expression for the fringe width and explain how the wavelength of light is determined using this method.
Explain unpolarized, polarized, and partially polarized light with the help of diagrams. Describe the construction and working principle of a Nicol Prism. Explain how it can be used as a polarizer and an analyzer.
