A parallel beam of monochromatic light of wavelength `5000�
Channel: Doubtnut
Date: 19/01/2020

A parallel beam of monochromatic light of wavelength `5000�` is incident normally on a single narrow slit of width `0.001mm`. The light is focused by a convex lens on a screen placed on the focal plane. The first minimum will be formed for the angle of diffraction equal to