[单选题]
Incident light of wavelength 600 kaw m-/0g:hew0 3wj dwnm way r(6cm mi dw9zz1j6lw9ro39ek.: nis emitted towards two slits separated by 1 μm. The interference pattern is observed on a wall. The distance between two adjacent maxima is 1.2 m. What is the distance of the w16ni9 z9ljray6c(wwok:wm r d zm. 39eall from the slits?
