A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 505 nm. Determine the angle that locates the…

A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 505 nm. Determine the angle that locates the first dark fringe when the width of the slit is (a) 4.0 × 10-4 m and (b) 4.0 × 10-6 m.