Emission
or transmission of energy propagating through space or any other
medium, in the form of waves of the electromagnetic field and
consists of tiny elementary particles called photons that contains
the quantum of the electromagnetic field. EMR consists of EM waves
which are synchronized oscillations of electric field and magnetic
field. In vacuum, EM waves travel at the speed of light and the
oscillations of the two fields are perpendicular to each other and
also perpendicular to the direction electromagnetic radiant energy
and wave propagation. The wave propagation of EM wave are
perpendicular to the synchronized oscillations of two perpendicular
fields, that made an EM wave to form a transverse wave; which means a
transverse wave is a moving wave whose oscillations are perpendicular
to the direction of the propagation of the wave. The position of an
electromagnetic wave within the electromagnetic spectrum can be
characterized by either its frequency of its oscillation or its
wavelength.
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