## Fundamental and Quantum Review #6 [ENDORSED]

H-Atom ($E_{n}=-\frac{hR}{n^{2}}$)

keyaluo4C
Posts: 54
Joined: Fri Sep 28, 2018 12:17 am

### Fundamental and Quantum Review #6

Could someone explain the question #6 to me in UA Mr Ronald Yang's review problems and how he got to his solution again?

Emily Kennedy 4L
Posts: 57
Joined: Fri Sep 28, 2018 12:25 am
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### Re: Fundamental and Quantum Review #6  [ENDORSED]

So we are solving for the final energy level. We know the initial value is in the ultraviolet region, therefore n=1 initially. the final value must be greater than n=1 and if we use En=-hR/n^2 Because we know the wavelength of the final observed hydrogen line we can find the change in energy and therefore we can find the final value of n.