In a Single-Slit Experiment,light of Wavelength 500 Nm Is Used $\times$

Multiple Choice

In a single-slit experiment,light of wavelength 500 nm is used to produce a diffraction pattern on a screen 4.0 m away.If the distance between both 3^rd order minima is 6.0 cm,what is the slit width?

A) 2.0 $\times$ 10^-4 m
B) 1.0 $\times$ 10^-4 m
C) 4.0 $\times$ 10^-4 m
D) 0.67 $\times$ 10^-4 m
E) 0.44 $\times$ 10^-4 m