Light of Wavelength 418 Nm Is Incident on a Slit

Multiple Choice

Light of wavelength 418 nm is incident on a slit of width 0.35 mm,and a diffraction pattern is produced on a screen that is 2.4 m from the slit.What is the distance of the second dark fringe from the center of the bright fringe? (1 nm = 10−⁹ m)

A) 2.9E-7 m
B) 5.7E-3 m
C) 1.6E-3 m
D) 1.4E-6 m
E) 1.1E-6 m