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Light of wavelength 1 = 554 nm passes through a single slit of width w = 2.6 um and illuminates a screen L = 1.5 m away. (a)

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Then for destructive or defraction minima to mo Wsina-my D m=- a) W sino Nombers W sin (90°) if m=n Afringe of dark fringes 2

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