Two loudspeakers are placed 3.00 m apart, as shown. They emit 430 Hz sounds in phase. A microphone is placed 3.15 m distant from a point midway between the two speakers, where an intensity maximum is recorded. (a) What minimum distance must the speaker on the left be moved away from the microphone to change the intensity max into a min? (b) What minimum distance must the speaker on the right be moved to the right to change the intensity max to a min?
Two loudspeakers are placed 3.00 m apart, as shown. They emit 430 Hz sounds in phase. A microphone is placed 3.15 m distant from a point midway between the two speakers, where an intensity maximum is recorded. (a) What minimum distance must the speaker on the left be moved away from the microphone to change the intensity max into a min? (b) What minimum distance must the speaker on the right be moved to the right to change the intensity max to a min?
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B3
Transcribed Image Text:Two loudspeakers are placed 3.00
m apart, as shown. They emit 430
Hz sounds in phase. A microphone
is placed 3.15 m distant from a
point midway between the two
speakers, where an intensity
maximum is recorded. (a) What
minimum distance must the speaker
on the left be moved away from the
microphone to change the intensity
max into a min? (b) What minimum
distance must the speaker on the
right be moved to the right to
change the intensity max to a min?
3.00 m
3.20 m
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