[填空题]
When violet light of wave ttv1e4ls,b bz7s :hl(length 415 nm falls on z6k76m x og2r dkkpt8ljg7*9ia single slit, it creates a central diffraction peak that is 9.20 cm wide on a screen that is 2.55 m away. How wide9gd l6gkjkpz*x2i m o 776trk8 is the slit? mm
