A plane electromagnetic wave of frequency 20 GHz moves in the positive y-axis direction such that its electric field is pointed along the z-axis. The amplitude of the electric field is 10 V/m. The start of time is chosen so that at t
When an electric field interacts with a magnetic field, electromagnetic waves are created. Therefore, they are referred to as "electromagnetic" waves. An electromagnetic wave's electric field and magnetic field are perpendicular to one another (at right angles).
An electromagnetic spectrum is a group of waves with similar characteristics to electromagnetic waves. All electromagnetic waves are transverse waves, capable of moving through a vacuum, and moving at the same speed in a vacuum, which is 300,000,000 times the speed of light.
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