. (III) Two loudspeakers are 1.60 m apart. A person stands3.00 m from one speaker and 3.50 m from the other. (a) Whatis the lowest frequency at which destructive interference willoccur at this point if the speakers are in phase? (b) Calculatetwo other frequencies that also result in destructive interferenceat this point (give the next two highest). Let T = 20°C

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.