In a Double Slit Experiment,the Slit Separation Is Constructed to Be

Multiple Choice

In a double slit experiment,the slit separation is constructed to be exactly 4 times the wavelength of the light passing through the slits.At what angles from the center of the pattern will the third bright fringes on both sides of the central fringe occur?

A) ±48.6°
B) ±75.0°
C) ±67.5°
D) ±36.9°
E) ±43.0°