Two ideal slits S and S are at a distance d apart and

Last updated: 6/10/2023

Two ideal slits S and S are at a distance d apart and illuminated by light of wavelength passing through an ideal source slit S placed on the line through S2 as shown The distance between the planes of slits and the source slit is D A screen is held at a distance D from the plane of the slits The minimum value of d for which there is darkness at O is S S S DD 3XD 2 1 2 VAD 3 XD 4 3XD 0