To demonstrate the phenomenon of interference of light using bi-prism and to understand the concept of interference, image formation width of fringes. It consists of 1 1/2 meter long stainless steel double rod optical bench with following accessories.Biprism holder having fine radial motion by screws. Adjustable slit with ground ss jaws Micrometer Eye Piece Ramsden’s 10x, carried on a slider which moves along a micrometer screw.Automatic lens holder with spring action for equal opening and closing of both ends
