![]() ![]() It includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays. In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, propagating through space, carrying electromagnetic radiant energy. ![]() The electric field ( blue arrows) oscillates in the ± x-direction, and the orthogonal magnetic field ( red arrows) oscillates in phase with the electric field, but in the ± y-direction. A linearly polarized sinusoidal electromagnetic wave, propagating in the direction + z through a homogeneous, isotropic, dissipationless medium, such as vacuum.
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