Two sound waves of the same frequency and amplitude are broadcast from speakers at opposite ends of a theater. In the middle of the theater, you hear a sound 6 dB louder than that from either speaker. Which of the following is true?
A. the two waves are in phase in the middle of the theater
B. the two waves are 45 degrees out of phase in the middle of the theater
C. the two waves are 90 degrees out of phase in the middle of the theater
D. the two waves are 180 degrees out of phase in the middle of the theater
Stacey Warren - Expert brainly.com
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I think it would be A.
I think that in the middle of the theatre we have a constructive interference
okay! so what does that mean? they are are in phase? or are they out of phase? :/