Electromagnetic radiation and associated energy levels

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Aishwarya Kosgi 1F
Posts: 95
Joined: Wed Sep 30, 2020 10:00 pm

Electromagnetic radiation and associated energy levels

Postby Aishwarya Kosgi 1F » Tue Oct 20, 2020 10:38 pm

Hi! I had a question about what energy levels were associated with which parts of the electromagnetic spectrum. I think Dr. Lavelle mentioned that the UV region was n=1 and visible light was n=2, and what is the the association for the infrared region? Would it be that any energy level changes to level n=3 and greater is associated with the infrared region? I would appreciate some clarification on that! Thanks!

Stuti Pradhan 2J
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Re: Electromagnetic radiation and associated energy levels

Postby Stuti Pradhan 2J » Tue Oct 20, 2020 11:01 pm

The Paschen, Brackett, and Pfund series are all in the infrared region. I believe that their lowest energy levels are n=3, n=4, and n=5, respectively. I am assuming we will not be required to know these though.

Hope this helps!

Lorraine Jiang 2C
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Re: Electromagnetic radiation and associated energy levels

Postby Lorraine Jiang 2C » Wed Oct 21, 2020 12:55 am

Hi! The infrared region is n=3 and it is called the Paschen series. I think in our tests we only need to perform calculations related to the Lyman series and the Balmer series.

Hope it helps!

Ariel Guan 1H
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Re: Electromagnetic radiation and associated energy levels

Postby Ariel Guan 1H » Wed Oct 21, 2020 10:44 am

n=1 - Lyman Series, UV region
n=2 - Balmer Series, visible region
n=3 - Paschen Series, infrared region

I think we only need to know lyman and balmer, though.

Rob Tsai 2F
Posts: 94
Joined: Wed Sep 30, 2020 10:09 pm

Re: Electromagnetic radiation and associated energy levels

Postby Rob Tsai 2F » Wed Oct 21, 2020 3:07 pm

For now, I'm fairly certain we only need to know (n=1), which is the Lyman series, and (n=2), which is the Balmer series.


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