14 please help

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 cut in half? It will become four times as large. O It will become eight times as large. O It will be cut to one-quarter its original size. O It will be cut in half. O It will double