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Physics, 31.10.2019 01:31 milkshakegrande101

Anarrow single slit is illuminated with angle infrared laser with λ = 1152 nm. the center of the tenth dark band (minimum) lies at the angle of 6° off the central axis.
(a)- what is the width of the slit?
(b)-how does this angle change if we immerse the whole experiment in water? (n = 1.33).

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