(a)  Two loudspeakers A & B emit sound waves in phase.  The frequency of waves emitted by each speaker is 660 Hz.  A is located at the origin and B is located on the y axis at y= 3 m.  A person is standing at position P of coordinate ( 4 m, 3 m).  Determine the path difference of sound waves reaching the person.  What kind of interference occur at P?Speed of sound in air =330 m/s

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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.