Laser light passes through a circular aperture. If the brightness of the light is increased, the width of the central dark fringe will
A) increase.
B) decrease.
C) oscillate.
D) remain unchanged.
E) There is not enough information to determine what will happen.

Question

Quizplus · Accepted Answer

The width of the central dark fringe in a diffraction pattern is determined by the aperture size and wavelength, not the brightness of the light.

Laser Light Passes Through a Circular Aperture