How the angular width of the single slit central maximum changes with slit width

The same question, asked 3 times: May 2022 S1, 10 May 2024 S2, 11 May 2024 S1. Every wording below, oldest first.

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Question 1
May 2022 S1
34 $A parallel beam of monochromatic light falls normally on a single narrow slit. The angular width of the central maximum in the resulting diffraction pattern$
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Question 2
10 May 2024 S2
14 $A parallel beam of monochromatic light falls normally on a single narrow slit. The angular width of the central maximum in the resulting diffraction pattern$
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Question 3
11 May 2024 S1
32 $In the experiment of diffraction due to a single slit, if the slit width is decreased, the width of the central maximum$
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Question 1