Aug 16, 2019 · Bohr predicts that, in a star or in a vacuum tube containing hydrogen and helium and under proper conditions of excitation, the resulting spectrum will appear as in Figure 4. The heavy …

Jul 8, 2019 · Introduction Most readers acquainted with the hydrogen spectrum will be familiar with the set of lines in the visible spectrum representing transitions of electrons from energy levels 3,4,5 and …

Aug 11, 2012 · Wait, the absorption spectrum of what is similar to the H atomic emission spectrum? Afaik, the absorption spectrum of Hydrogen gas (Isn't that all molecular?) has lines which correspond …

Nov 29, 2009 · Does anybody know if there has ever been an emission spectrum of Earth recorded by one of our spacecraft s after launch from outer space? When we directly image extrasolar planets we …

May 11, 2009 · The discussion revolves around the origin of a strong red line observed in the sodium emission spectrum, which is not part of the well-known yellow doublet or diffuse series. Participants …

Jul 31, 2006 · From this I have calculated wavelengths for the 1st and 2nd order lines of the three brightest visible colors, which were Blue/Violet, Green, and Orange. To complete my lab I am …

Apr 14, 2016 · Hello, I'm looking for a free copy of Wien's seminal paper "On the division of energy in the emission-spectrum of a black body", in which he introduces his important blackbody approximation.

Dec 31, 2005 · I'm confused So the atoms becaome excited by absorbing energy, like from a hot flame, so this energy makes an electron (or is it all electrons) in the...

Sep 17, 2020 · In the emission spectrum of hydrogen, visibly there is no green line. This is because when an electron falls down between two energy levels and leaves the excited state the energy is re …

Jan 8, 2013 · The discussion centers on the accuracy of deuterium emission spectrum figures sourced from a commercial product site, specifically wavelengths of 410.07, 433.93, 486.01, and 656.11 nm. …