Question:
c Both of these d None of these 42 A parallel beam of
Last updated: 6/8/2023
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c Both of these d None of these 42 A parallel beam of monochromatic light of wavelength 5000A 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 minima will be formed for the angle of diffraction equal to a 0 b 15 c 30 d 60