If two sources emit waves that are of the same frequencies and are in phase, the interference fringes produced will appear to the human eye to be
A) stationary in space.
B) stationary in time.
C) Both of the first two responses are valid.
D) Neither of the first two responses is valid.

Question

Quizplus · Accepted Answer

When two sources emit waves of the same frequency and are in phase, they produce interference fringes that are stationary in space and time, as the pattern does not change position or oscillate over time.

If Two Sources Emit Waves That Are of the Same