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- DictionarySpec·tral/ˈspektrəl/
adjective
- 1. of or like a ghost: "a spectral, menacing face"
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SPECTRAL meaning: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. Learn more.
Spectral definition: of or relating to a specter; ghostly; phantom.. See examples of SPECTRAL used in a sentence.
Definition of spectral adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
- What Are Spectral lines?
- Table of Contents
- Emission Spectral Lines
- Absorption Spectral Lines
- Spectral Lines of Hydrogen Atom
- Spectral Line Broadening and Shift
A spectral lineis a dark or bright line in an otherwise uniform and continuous spectrum, resulting from the emission or absorption of light in a narrow frequency range, compared with the nearby frequencies. Spectral lines are often used to identify atoms and molecules. A spectral line may be observed either as an emission line or an absorption line...
This spectrum of radiation emitted by electrons in the excited atoms or molecules is known as an emission spectrum.Emission spectra are noticed when the radiation emitted from a source is passed through a prism and then received in the photographic plate.When white light passes through a slit and then through a glass prism,it splits into seven bands of colours. These colours are a continuousspectrum.Emission spectrum is also noticed when the vapour of some volatile substances are allowed to fall on the flame of a bunsen burner some specific colour appears on the photographic plate which are di...When white light having all the wavelengths of the visible region is passed through and the transmitted light dispersed by the prism, a few dark lines are obtained in the continuous spectrum. These...The absorption spectral lines are the dark line on the bright background.These dark lines indicate that the radiation corresponding to them is absorbed by the substance from the white light.When an electric discharge is passed through hydrogen gas enclosed in a discharge tube under low pressure, a bluish light is emitted. When a ray of light is passed through a prism, a discontinuous...All the spectral lines observed in the hydrogen spectrum can be classified into different series: Lyman, Balmer, Paschen, Brackett andPfund series.The colour of the light emitted by the hydrogen atoms does not depend greatly on the temperature of the gas in the tube. When the emitted light is passed through a prism, only a few narrow lines, w...The light emitted by hydrogen atoms is red because, of its four characteristic lines, the most intense line in its spectrum is in the red portion of the visible spectrum, at656 nm.Several other effects can cause the spectral lines we observe to become broader than we would predict due to the Uncertainty Principle. These include:
Define Spectral. Spectral refers to anything that is related to or pertaining to a spectrum. It can be used to describe the range of colors that make up a rainbow or the range of frequencies that make up electromagnetic radiation. In physics, spectral is often used to describe the energy levels of atoms and molecules.
SPECTRAL meaning: 1 : of, relating to, or suggesting a ghost ghostly; 2 : of, relating to, or made by a spectrum
Oct 14, 2021 · Introduction to Spectroscopy. Spectroscopy is a complex art - but it can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy is producing light, how fast it is moving, and even what elements it is made of. A spectrum is simply a chart or a graph that shows the intensity of light being ...
