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I know that the Shrodinger equation on the equation sheet is V=R (1/n(final) - 1/n(initial)). But when I use this way I get a negative number, but we don't include the negative in our answer? Why is the negative not included? If the answer is positive can I switch the n(final) and n(initial) to get a positive answer? I tried this on some problems and got the same answer just without the negative. Is the negative important?
i believe it is valid to switch the n final and n initial, because i think that term represents the difference between the two, so it should matter. I would do the higher one minus the lower one to ensure a positive answer.
I believe what you are referring to is the Rydberg equation. V=R (1/n(final) - 1/n(initial)) will always give you a positive number. Think about it in terms of fractions, final will always be smaller than the initial. The larger a denominator, the smaller the fraction. Hence, 1/small - 1/large will always be positive!
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