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Calculate the angular positions of given numbers of minima

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Reference no: EM131552782

Question: A single slit of width b = 0.2 mm is illuminated with 633nm light from a helium-neon laser.

(a) Calculate the angular positions of the first 3 minima.

(b) Is the small-angle approximation valid for these angles?

(c) If the interference pattern is projected on a screen 2m away, how far apart are the dark fringes?

Reference no: EM131552782

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