1 A parallel beam of monochromatic light of wavelength 5000A

Last updated: 6/27/2023

1 A parallel beam of monochromatic light of wavelength 5000A is incident normally on a single narrow slit of width 0 001 mm The light is focussed by a convex lens on a screen placed in focal plane The first minimum will be formed for the angle of diffraction equal to a 0 b 15 1993 c 30 d 50