## Question

###### Light of 581 nm is incident on a pair of slits. A diffraction pattern appears on a projection screen 3 distance 1.2 m away from the slits. If the distance between the central maximum to the second maximum is 42 mm; what is the spacing between the slits in htn?

Light of 581 nm is incident on a pair of slits. A diffraction pattern appears on a projection screen 3 distance 1.2 m away from the slits. If the distance between the central maximum to the second maximum is 42 mm; what is the spacing between the slits in htn?

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