[单选题]
13.27: Light of wavelength 600nm is tran3p.w 4xfb f)ybsmittev5on.za+sq13 if yho+/pq al+d from air into a piece of glass. Whico31.++z+ y /n5apvaolsiqhf q h one of the labeled arrows best indicates the path of the light ray after it enters the glass?