| 词汇 | incident-ray |
| 释义 | incident ray noun[ C ] physics specializeduk /ˈɪn.sɪ.dənt ˌreɪ/ us /ˈɪn.sɪ.dənt ˌreɪ/ in physics, a ray of light that hits a surface入射线（物理中，照射到表面的光线） Compare reflected ray Light backlight backlighting beam brilliance candlelight coruscation fluorescence helio- illumination infrared moonbeam opalescence phosphene phosphorescence photo shininess starlight sun sunshine torchlight Examples of incident rayincident ray Given the value a for the incidentray, 2a is the azimuth of the zero order light, in specular reflection. If the incidentray is precisely at the critical angle, the refracted ray is tangent to the boundary at the point of incidence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The angle of incidence is the angle between the incidentray and the surface normal (an imaginary line perpendicular to the surface). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like reflections the incidentray, the refracted ray and the normal all lie in the same place however the angle of refraction is always less than the angle of incidence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Corner reflectors retroreflect light, producing reflected rays that travel back in the direction from which the incident rays came. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A white body is one with a rough surface that reflects all incident rays completely and uniformly in all directions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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