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Please I really need the right answers for this question with all the correct steps, formulas,...

Please I really need the right answers for this question with all the correct steps, formulas, and units as soon as possible, please. Thank You.

1) A pinhole of diameter 0.20 mm is illuminated with 550-nmlight. Part A:- What is the width of the Airy disk on a screen 2.1 m away? Express your answer with the appropriate units.

Please I really need the right answers for this question with all the correct steps, formulas, and units as soon as possible, please. Thank You.

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