- fine structure of spectrum lines
- Physicsநிறமாலைக்கோடுகளினுண்ணமைப்பு
English-Tamil dictionary. 2014.
fine structure of spectrum lines
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fine structure — noun the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements the fine structure results from slightly different energy levels • Hypernyms: ↑spectrum line • Part Holonyms: ↑atomic spectrum … Useful english dictionary
Near edge X-ray absorption fine structure — NEXAFS (Near Edge X ray Absorption Fine Structure) is an element specific electron spectroscopic technique which is highly sensitive to bond angles, bond lengths and the presence of adsorbates. It is widely used in surface science and has also… … Wikipedia
hyperfine structure — /huy peuhr fuyn , huy /, Physics. the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom. Cf. fine structure. [1925 30; HYPER + FINE1] * * * ▪ physics in spectroscopy, the splitting of… … Universalium
atomic spectrum — noun (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑spectrum • Part Meronyms: ↑ … Useful english dictionary
Emission spectrum — The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted by the element s atoms or the compound s molecules when they are returned to a lower energy state. Each element s … Wikipedia
Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The … Wikipedia
magnetic resonance — Absorption or emission of electromagnetic radiation by electrons or atomic nuclei in response to certain magnetic fields. The principles of magnetic resonance are used to study the atomic and nuclear properties of matter; two common laboratory… … Universalium
Stark effect — The Stark effect is the shifting and splitting of spectral lines of atoms and molecules due to the presence of an external static electric field. The amount of splitting and or shifting is called the Stark splitting or Stark shift. In general one … Wikipedia
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
