lines in electromagnetic spectrum

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RenuChepuru1L
Posts: 58
Joined: Thu Jul 27, 2017 3:00 am

lines in electromagnetic spectrum

Postby RenuChepuru1L » Fri Oct 13, 2017 12:20 pm

I was a little confused about what prof. Lavelle was saying today about how an electron when it falls or jumps an energy level has its energy emitted as a photon

Mika Sonnleitner 1A
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Joined: Fri Sep 29, 2017 7:04 am
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Re: lines in electromagnetic spectrum

Postby Mika Sonnleitner 1A » Fri Oct 13, 2017 1:56 pm

When a light source is shined on a hydrogen sample, it has the potential to excite the electron from its ground state to an excited state. Or, the incoming energy from the photon can bring an electron down from an excited state to a less excited state (ex. n=4 energy level to n=2 energy level). An electron will only move from a ground state to an excited state if the incoming energy from the photon exactly matches the energy difference between the specified energy levels. If an electron moves up energy levels (ex. n=1 energy level to n=3 energy level), then it will absorb energy. However, if the electron moves down energy levels (ex. n=4 energy level to n=2 energy level), then it will emit energy in the form of light (photons).

Basically, if an electron jumps up energy levels, it absorbs energy. If it jumps down energy levels, it emits energy. The difference in energy is given off as a photon.


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