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diffraction    音標拼音: [dɪfr'ækʃən]
n. 衍射

衍射

diffraction
繞射

diffraction
n 1: when light passes sharp edges or goes through narrow slits
the rays are deflected and produce fringes of light and
dark bands

Diffraction \Dif*frac"tion\, n. [Cf. F. diffraction.] (Opt.)
The deflection and decomposition of light in passing by the
edges of opaque bodies or through narrow slits, causing the
appearance of parallel bands or fringes of prismatic colors,
as by the action of a grating of fine lines or bars.
[1913 Webster]

Remarked by Grimaldi (1665), and referred by him to a
property of light which he called diffraction.
--Whewell.
[1913 Webster]

{Diffraction grating}. (Optics) See under {Grating}.

{Diffraction spectrum}. (Optics) See under {Spectrum}.
[1913 Webster]

76 Moby Thesaurus words for "diffraction":
amplitude, antinode, attenuation, broadcast, broadcasting,
circumfusion, crest, de Broglie wave, deflection, deflexure,
diffusion, dilution, dispensation, dispersal, dispersion,
dissemination, dissipation, distortion, distribution, divergence,
electromagnetic radiation, electromagnetic wave, evaporation,
expansion, flection, flexure, fragmentation, frequency,
frequency band, frequency spectrum, guided wave, in phase,
interference, light, longitudinal wave, mechanical wave, node,
out of phase, peppering, period, periodic wave, propagation,
publication, radiation, radio wave, ray, refraction, reinforcement,
resonance, resonance frequency, scatter, scattering, scatterment,
seismic wave, shock wave, shotgun pattern, skewness, sound wave,
sowing, spattering, splay, spread, spreading, sprinkling, strewing,
surface wave, tidal wave, torsion, transverse wave, trough,
volatilization, wave, wave equation, wave motion, wave number,
wavelength

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英文字典中文字典相關資料:
  • Diffraction - Wikipedia
    Diffraction is the deviation of waves from straight-line propagation due to an obstacle or through an aperture, without any change in their energy
  • Diffraction | Definition, Examples, Types, Facts | Britannica
    Diffraction, the spreading of waves around obstacles Diffraction takes place with sound; with electromagnetic radiation, such as light, X-rays, and gamma rays; and with very small moving particles such as atoms, neutrons, and electrons, which show wavelike properties
  • Diffraction: Definition, Physics, Equation, and Formula
    Diffraction is the bending or spreading of light waves around an obstacle The obstacle can be an aperture or slit whose size is approximately the same as the wavelength of light
  • 17. 1 Understanding Diffraction and Interference - OpenStax
    The bending of a wave around the edges of an opening or an obstacle is called diffraction Diffraction is a wave characteristic that occurs for all types of waves If diffraction is observed for a phenomenon, it is evidence that the phenomenon is produced by waves
  • What Is Diffraction? The Physics of Spreading Waves
    Diffraction is the phenomenon where waves bend, spread, or interfere when they encounter an obstacle or pass through a narrow opening The effect is subtle yet profound
  • 26. 2: Diffraction - Physics LibreTexts
    As we explained in the previous paragraph, diffraction is defined as the bending of a wave around the edges of an opening or an obstacle The double-slit experiment, also called Young’s experiment, shows that matter and energy can display both wave and particle characteristics
  • DIFFRACTION Definition Meaning - Merriam-Webster
    The meaning of DIFFRACTION is a modification which light undergoes especially in passing by the edges of opaque bodies or through narrow openings and in which the rays appear to be deflected; also : a similar modification of other waves (such as sound waves) or of moving particles (such as electrons)
  • Diffraction of light - GeeksforGeeks
    Diffraction describes a specialized case of light scattering in which an object with regularly repeating features (such as a diffraction grating) produces an orderly diffraction of light in a diffraction pattern
  • Diffraction | Light Bending Around An Object - A-Level Physics
    Diffraction is defined as the spreading of a wave into regions where it would not be seen if it moved only in straight lines after passing through a narrow slit or past an edge
  • Diffraction
    The phenomenon of diffraction results when a wave interacts with an object or aperture whose size is comparable to the wavelength of the wave interacting with it





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