Absorption Spectra


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Tauhid Islam- 1H
Posts: 24
Joined: Fri Aug 02, 2019 12:15 am

Absorption Spectra

Postby Tauhid Islam- 1H » Sat Oct 12, 2019 6:43 pm

Hello! I'm having trouble understanding what exactly an Absorption Spectra is. I know that its related to spectroscopic experiments which analyzes the relationship between electromagnetic radiation and matter like how light refracts when passing through a prism, but the connections between these experiments and an absorption spectrum for different EMR's is still confusing to me.

Ryan 1K
Posts: 75
Joined: Fri Aug 09, 2019 12:15 am

Re: Absorption Spectra

Postby Ryan 1K » Sat Oct 12, 2019 7:51 pm

In absorption spectroscopy, light excites the electrons of a gas, causing them to jump to higher energy levels. The electrons are not as stable at higher energy levels, so they drop back down to their original energy level, releasing the energy in the form of light. Depending on the element, the absorption spectrum will be different because atoms absorb/emit unique frequencies of light, depending on their structure. As a result, these experiments produce absorption/emission spectra for different gases.


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