[填空题]
When violet light of wavelengtyx u 2fnkkl,*r-i mxv67o- 4onh zm8x o4 dd (w5j8qc:k+e-tve ; qjz7ap415 nm falls on a single slit, it creates a central diffraction peak that is 9.20 cm wide on a screen that is 2.55 m 5q4: tmo8ae cjv87j e- qwzd (d+xz;pkaway. How wide is the slit? mm
