A beam of light consisting of two wavelengths 500 nm and 400

Last updated: 6/8/2023

A beam of light consisting of two wavelengths 500 nm and 400 nm is used to obtain interference fringes in Young s double slit experiment The distance between the slits is 0 3 mm and the distance between the slits and the screen is 1 5 m Compute the least distance of the point from the central maximum where the bright fringes due to both the wavelengths coincide