| Standardization field | Electrical engineering
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| Technical committee | BAS/TC 30- Electric cables |
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| Term (EN) | light ray |
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| Definition (EN) | The path which is tangential at each point to the direction of propagation of the radiant energy at this point.
Notes.
1 — The concept of a ray is the basis of geometric optics.
2 — Several rays may exist between two points.
3 — In an isotropic medium the ray is normal to the wavefront. |
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| Term (FR) | |
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| Definition (FR) | |
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| Term (DE) | |
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| Definition (DE) | |
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| Term (BS) | |
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| Definition (BS) | |
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| Term (HR) | |
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| Definition (HR) | |
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| Term (SR) | svjetlosni zrak |
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| Definition (SR) | Put koji je tangentan u svakoj tački na pravac prostiranja energije zračenja u toj tački.
Napomene
1 – Pojam zraka je osnova geometrijske optike.
2 - Nekoliko zraka može da postoji između dvije tačke.
3 - Kod izotropnog medijuma zrak je normalan na talasni front. |
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| Date | 2017-08-09 |
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| Standards | BAS IEC 60050-731:2017 |
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