When monochromatic light from two slits arrive at a point on a screen out of phase,
A)a dark region is produced.
B)a bright region is produced.
C)two different colors of light are observed.
D)a region of polarized light is produced.

Question

Quizplus · Accepted Answer

When the two waves from the two slits are out of phase, they will interfere destructively, resulting in a cancellation of their amplitudes at that point on the screen, leading to the formation of a dark region called a "dark fringe."

When Monochromatic Light from Two Slits Arrive at a Point