Question: a For a given wavelength a wider single slit will

(a) For a given wavelength, a wider single slit will give (1) a greater, (2) a smaller, (3) the same minimum angle of resolution as a narrower slit, according to the Rayleigh criterion.
(b) What are the minimum angles of resolution for two point sources of red light (λ = 680 nm) in the diffraction pattern produced by single slits with widths of 0.55 mm and 0.45 mm, respectively?

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