Eight slits equally separated by 0.149 mm is uniformly illuminated by a monochromatic light at λ = 523 nm. What is the width of the central principal maximum on a screen 2.35 m away?

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Eight slits equally separated by 0.149 mm is
uniformly illuminated by a monochromatic light
at λ = 523 nm. What is the width of the central
principal maximum on a screen 2.35 m away?
Transcribed Image Text:Eight slits equally separated by 0.149 mm is uniformly illuminated by a monochromatic light at λ = 523 nm. What is the width of the central principal maximum on a screen 2.35 m away?
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