A Single-Slit Diffraction Pattern Is Formed on a Distant Screen

Multiple Choice

A single-slit diffraction pattern is formed on a distant screen. Assuming the angles involved are small, by what factor will the width of the central bright spot on the screen change if the
Wavelength of the illuminating light is doubled?

A) It will be cut in half.
B) It will be cut to one-quarter its original size.
C) It will become eight times as large.
D) It will become four times as large.
E) It will double.