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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
Two in-phase loudspeakers are 3.0 m apart. They emit sound with a frequency of 490 Hz. A microphone is placed half-way between the speakers and then moved along the line joining the two speakers until the first point of constructive interference is found. At what distance from that midpoint is that first point? The speed of sound in air is 343 m/s.
A) 0.18 m
B) 0.35 m
C) 0.50 m
D) 0.70 m
E) There is no point in that line where constructive interference occurs.
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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Chery Author
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#2
7 years ago
I needed this so much, thanks
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