Could i please get some help with this, it would mean a lot, thank you !!

F 0. [Knight Problem 33.25) A (LEOmmdiemeter hole is illumi nated by light of wavelength 550 um. 'Whet is the width {in min) of the centrai maximum on a. screen 2.0 in behind the slit? [Answer: 54 1n1n.] [Knight Problem 33.31] Moving mirror M; of a Michelson interferometer a. distance of 100 pm causes 500 brightdark bright fringe shifts. 'What is the wavelength of the light? [Answer 400 nm.] [Knight Probiem 34.5) A light ray leaves point A in FIC URE EXScLFJ, reflects from the mirror, and reaches point B. How far below the top edge does the ray strike the mirror? [Answer 9.0 an] 5cm - Jcm 15 um Mirror FIGURE 53:34.5 'A . [Knight Problem 34.9) It is 155 cm from your eyes to your toes. You're standing 200 cm in front of a tali mirror. How far is it from your eyes to the image of your toes? [Answerr 433 em.]