The light of wavelength 600 nm is incident normally on a slit of width 3 mm.
The light of wavelength 600 nm is incident normally on a slit of width 3 mm. The linear width of central maximum on a screen kept 3 m away from the slit : –
(a) 1.2 mm
(b) 4.68 mm
(c) 2.1 mm
(d) 6.75 m
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