At the first minima on either side of the central bright spot in a double-slit experiment, light from each opening arrives
A)in phase.
B)45° out of phase.
C)90° out of phase.
D)180° out of phase.
E)none of the given answers

Question

Quizplus · Accepted Answer

At the first minima in a double-slit experiment, the light from each slit arrives 180° out of phase, causing destructive interference and resulting in a dark fringe.

At the First Minima on Either Side of the Central