https://wicri-demo.istex.fr/Wicri/SitDemIstex/V131/pool/index.php?action=history&feed=atom&title=File%3AEmission_spectrum-H.png 2026-04-27T07:26:45Z Revision history for this page on the wiki MediaWiki 1.31.10 https://wicri-demo.istex.fr/Wicri/SitDemIstex/V131/pool/index.php?title=File:Emission_spectrum-H.png&diff=15116&oldid=prev 2020-12-12T13:15:17Z

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<p>{{File imported from Commons |url=http://commons.wikimedia.org/w/index.php?title=File:Emission_spectrum-H.png&amp;oldid=22053976 }} {{File information |Description=* {{fi|Vedyn emissioviivaspektri, joka syntyy hehkuvan vetykasun säteillessä vain tiettyjä</p> <p><b>New page</b></p><div>{{File imported from Commons<br /> |url=http://commons.wikimedia.org/w/index.php?title=File:Emission_spectrum-H.png&amp;oldid=22053976<br /> }}<br /> {{File information<br /> |Description=* {{fi|Vedyn emissioviivaspektri, joka syntyy hehkuvan vetykasun säteillessä vain tiettyjä aallonpituuksia.}}<br /> {{en text|Visible lines in the [[hydrogen]] [[emission spectrum]]}}<br /> |Source=Created using the Balmer formula:<br /> :&lt;math&gt;\lambda\ = B\left(\frac{m^2}{m^2 - n^2}\right) = B\left(\frac{m^2}{m^2 - 2^2}\right)&lt;/math&gt;<br /> <br /> Where<br /> :&lt;math&gt;\lambda&lt;/math&gt; is the wavelength.<br /> :''B'' is a constant with the value of 3.6456×10&lt;sup&gt;-7&lt;/sup&gt; m or 364.56 nm.<br /> :''n'' is equal to 2<br /> :''m'' is an integer such that ''m'' &gt; ''n''.<br /> <br /> The lines &lt;math&gt;m=3,4,5,6&lt;/math&gt; are plotted horizontally and coloured to match their respective wavelengths.<br /> |Author=[[user:Merikanto|Merikanto]]<br /> |Date=<br /> |Permission={{PD-user-w|fi|Finnish Wikipedia|Merikanto}}<br /> }}<br /> <br /> [[Category:Hydrogen physics]]<br /> [[category:spectrum]]</div>

Jacques Ducloy