Electromagnetic waves and optics

Maxwell's prediction and the electromagnetic spectrum, then reflection, refraction, mirrors and lenses, the eye and optical instruments, and the interference, diffraction and polarisation of light.

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  • 正面 aberration
    背面 failure of rays to converge at one focus because of limitations or defects in a lens or mirror
  • 正面 amplitude modulation (AM)
    背面 a method for placing information on electromagnetic waves by modulating the amplitude of a carrier wave with an audio signal, resulting in a wave with constant frequency but varying amplitude
  • 正面 astigmatism
    背面 the result of an inability of the cornea to properly focus an image onto the retina
  • 正面 axis of a polarizing filter
    背面 the direction along which the filter passes the electric field of an EM wave
  • 正面 birefringent
    背面 crystals that split an unpolarized beam of light into two beams

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Creative Commons Attribution 4.0 International CC-BY-4.0
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Source : https://openstax.org/books/college-physics/pages/preface — Licence : Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/)
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OpenStax — College Physics (first edition)
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科学
语言
English
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3
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