Maxwell's Laws and the Propagation of Light

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Scientific Paper
Title Maxwell\'s Laws and the Propagation of Light
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Author(s) Viraj Fernando
Keywords {{{keywords}}}
Published 2012
Journal Proceedings of the NPA
Volume 9
No. of pages 2
Pages 160-161

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Abstract

Maxwell's theory of propagation of electromagnetic waves is based on the Biot-Savart's law together with its converse law acting simultaneously. That is, it is supposedly based on the formation of a magnetic field by the passage of an electric current and the formation of an electric field by a changing magnetic field. Therefore in order that this model holds, and for the waves to perpetuate (without dissipating in a short interval as water waves do), the magnetic field would need to fluctuate on a continuous basis, while the electric current created by the changing magnetic field moves outwards in a spherical wave. One of the chief difficulties of Maxwell's model is to account for how and why the magnetic field fluctuates.