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# Calculating frequency Watch

1. I don't get how you calculate the frequency of spectral line B by just looking at that diagram, can anyone help me out, it question 5a part i, here's the link to the paper:

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2. (Original post by Jimmy20002012)
I don't get how you calculate the frequency of spectral line B by just looking at that diagram, can anyone help me out, it question 5a part i, here's the link to the paper:

Posted from TSR Mobile
The transition A emits this line, it says so in the question. . .
3. (Original post by Jimmy20002012)
I don't get how you calculate the frequency of spectral line B by just looking at that diagram, can anyone help me out, it question 5a part i, here's the link to the paper:

Posted from TSR Mobile
All the info is in the question:

Spectral line B refers to the transition A given in figure 4.

Given that simple calculation, all you need is Plancks constant and the correct formula given at the front of the paper.

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Updated: May 12, 2013
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