Frequency Condition

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Saachi_Kotia_4E
Posts: 68
Joined: Fri Sep 28, 2018 12:23 am

Frequency Condition

Postby Saachi_Kotia_4E » Mon Oct 22, 2018 10:59 pm

Instead of using this: En = - h R / n^2
Can we use this: frequency = R(1/n1^2 - 1/n2^2)

What's the difference? Prof Lavelle uses the first one but the textbook uses the second.

Jonathan Pai 2I
Posts: 121
Joined: Fri Sep 28, 2018 12:27 am

Re: Frequency Condition

Postby Jonathan Pai 2I » Mon Oct 22, 2018 11:02 pm

The second is a simplified version of the deltaE version of the first one. DeltaE being it is set up as final-initial. The first one shows how the energy is related to the concept, the second one does not.

anishathomas
Posts: 35
Joined: Fri Sep 28, 2018 12:25 am

Re: Frequency Condition

Postby anishathomas » Mon Oct 22, 2018 11:06 pm

You can use the second equation for sure. The second one is easier to use because it can help find the frequency or use a frequency you already found to use in the formula.


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