1 A monochromatic light source s of wavelength 440 nm is

Last updated: 5/29/2023

1 A monochromatic light source s of wavelength 440 nm is placed slightly above a plane mirror M as shown Image of s in M can be used as a virtual source to produce interference fringes on the screen The distance of sources from o is 20 0 cm and the distance of screen from o is 100 C cm figure is not to scale If the angle 0 50 x 10 radius the width of the interference fringes observed on the screen is a 2 20 mm b 2 64 mm c 1 10 mm d 0 55 MIT So 50 0 cm Screen