If two identical waves with a phase difference of 3π are added, the result is
A) a wave with the same frequency but twice the amplitude.
B) a wave with the same amplitude but twice the frequency.
C) a wave with zero amplitude.
D) a wave with an intensity equal to the sum of the intensities of the two waves.
E) This problem cannot be solved without knowing the wavelengths of the two waves.

Question

Quizplus · Accepted Answer

When two identical waves with a phase difference of 3π are added, they will interfere destructively and cancel each other out, resulting in a wave with zero amplitude.

If Two Identical Waves with a Phase Difference of 3π