Amonochromatic light passes through a narrow slit and forms a diffraction pattern on a screen behind the slit. as the slit width increases, the diffraction pattern:
o becomes dimmer.
o shrinks with all the fringes getting narrower.
o spreads out with all the fringes getting alternately wider and then narrower.
o remains unchanged.
o spreads out with all the fringes getting wider.

shrinks with all the fringes getting narrower

Explanation:

As the light passes through the slit, the diffraction pattern shrinks, as the waves have more opening to penetrate, and the fringes becomes more narrow as a result of that, The opposite happens as the conditions are reversed.

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