Last Equation on Equation Sheet

$H_{\psi }=E_{\psi }$

1-D: $E_{TOTAL}\psi (x)=E_{k}\psi (x)+V(x)\psi(x)=-\frac{h^{2}}{8\pi ^{2}m}\frac{d^{2}\psi(x)}{dx^{2}}+V(x)\psi(x)$

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Anh Trinh 1B
Posts: 69
Joined: Wed Sep 30, 2020 9:55 pm
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Last Equation on Equation Sheet

I was looking at the equation sheet on Dr. Lavelle’s website and I got confused on the last equation. I don’t remember if I saw this equation in lectures but I’m wondering what this equation is solving for? Also, since it’s on the equation sheet, would we use this on the midterm? Thank you!
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Sophia Stewart 2G
Posts: 43
Joined: Wed Sep 30, 2020 9:48 pm

Re: Last Equation on Equation Sheet

It looks like that has something to do with quantum numbers, which are not going to be on this midterm. I bet its just on there so we can use the same reference sheet for the whole quarter.

Hannah_Kim_1I
Posts: 42
Joined: Wed Sep 30, 2020 9:56 pm
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Re: Last Equation on Equation Sheet

Yeah we definitely haven't gone over that equation in class so I wouldn't worry about it.

Vince Li 2A
Posts: 45
Joined: Wed Sep 30, 2020 9:37 pm

Re: Last Equation on Equation Sheet

Yeah, if there are equations on the Equation Sheet that we haven't gone over, then I wouldn't worry about it. However, if he happens to include a question involving this equation, I am sure he will give us all of the numbers we need to solve the problem.

emilyyribarren1k
Posts: 39
Joined: Wed Sep 30, 2020 10:10 pm
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Re: Last Equation on Equation Sheet

I think that the equation sheet is the same one we'll be allowed to use for the midterm and final, so we will probably cover this later in the quarter. It wouldn't be fair to ask us to use an equation if we don't know what they are, so just ignore it for now.

Christine Ma 3I
Posts: 41
Joined: Wed Sep 30, 2020 9:35 pm

Re: Last Equation on Equation Sheet

That's Schrodinger's equation, except the side of the equation that we learned as Hψ is expanded to show the double derivative and potential energy terms. I doubt we'll need to use it for the midterm though. Hope this helps!

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