How does the width of central maxima depend on the width of the slit?

Dear Student ,
Here is a link for the first question which will help you to get the answer .
https://www.meritnation.com/ask-answer/question/a-parallel-beam-of-monochromatic-light-falls-normally-on-a-n/wave-optics/10020469

Kindly ask different question for different posts .
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