Review light from a helium-neon laser (λ = 633 nm) is used to illuminate two narrow slits. the interference pattern is observed on a screen 3.5 m behind the slits. twelve bright fringes are seen, spanning a distance of 51 mm .what is the spacing (in mm) between the slits? express your answer using two significant figures. d =
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Review light from a helium-neon laser (λ = 633 nm) is used to illuminate two narrow slits. the inter...
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