[填空题]
A single slit 1.0 mm wide is il:ifeat;78qc s*o00bsi6 l yx0,ygxxt;qyxv) lumii :h854yplfu m mdri.n +4kat/nated by 450-nm light. What is the width of the central maximum (in cm) in the diffraction pattpind4l +tk4farum :y8/mh5.iern on a screen 5.0 m away? cm