[填空题]
Monochromatic light uu4zt( 8*b6nv- ik:ohas w) xffalls on a slit that is5 95yv 0)cm iypip4rj. 9d8 ssxokuyi- wide. If the angle between the first dark fringes on either side of the central maximum is 35.0 (dark fringe to dark fringe), what is the wavelength of the light used? nm