If Two Identical Waves with a Phase Difference of 3π

question 85

Multiple Choice

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.

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