Huygens-principle meaning

hīgənz
The principle that any point on a wave front of light may be regarded as the source of secondary waves and that the surface that is tangent to the secondary waves can be used to determine the future position of the wave front.
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The principle that any point on a wave front may be regarded as a source of spherical or circular wavelets. The sum of all such wavelets emanating from the front is same as the wavefront itself. This principle can be used to derive the laws of reflection and refraction.
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(physics) The assumption that each point on a wavefront may be regarded as a source of secondary waves and that the position of the wavefront at a later time is determined by the envelope of these secondary waves; proposed in order to explain the fact that light travels in a straight line and casts sharp shadows.
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Origin of huygens-principle

  • After Christiaan Huygens

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Christiaan Huygens, Dutch physicist.

    From Wiktionary