![]() ![]() This means that line spectra can be used to identify elements.Ĭontinuous spectra are produced by electrons being shared between many atoms, giving a huge range of possible frequencies, as shown below. This is particularly relevant in astronomy and is discussed in the next section. One means by which a continuous spectrum can be produced is by thermal emission from a black body. Simple examples in the visible wavebands are shown below. As a result each produces photons with different energy and so the line spectra for different elements will be different. Spectra can be simplified to one of three basic types. This is not a continuous spectrum as only light of specific frequencies and specific colours are produced.ĭifferent types of atoms have different energy levels. This causes line emission spectra to be produced, as shown below. This means that each electron transition will produce a photon of a different frequency and hence a different colour. \(f\) is the frequency of light producedĪs the energy levels have different values, each of the possible electron transitions within an atom will produce a photon with a different energy.If an electron moves from level \(E_\) the energy of the photon can be worked out using the following: Difference between Continuous Spectrum and Line Spectrum, atomic physics.Our Mantra:Information is Opportunity.Knowledge is Power.Be Informed - Be Pow. A continuous spectrum contains many different colors. absorption spectra, and emission spectra. Continuous Spectrum: A continuous spectrum contains all wavelengths of light in a certain range. The energy of the photon can be worked out using the equation As noted, different absorption or emission line patterns are unique for different elements. J3:55PM (EDT) Permissions Content Use Policy Download Options Full Res, 1600 X 872, PNG (335.40 KB) Caption Scientists often classify spectra based on the key lightmatter interactions they represent and how they are used. The amount of energy it loses will be equal to the difference in the energy levels it moves between. If an electron is in an excited state it can return to a lower energy level. ![]()
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