when to use which formula

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Samantha Hoegl Roy 2C
Posts: 81
Joined: Fri Sep 28, 2018 12:15 am

when to use which formula

Postby Samantha Hoegl Roy 2C » Tue Oct 16, 2018 6:08 pm

when would you use En = - hR / n^2 or En = h^2n^2/8mL^2?

ChathuriGunasekera1D
Posts: 78
Joined: Fri Sep 28, 2018 12:17 am

Re: when to use which formula

Postby ChathuriGunasekera1D » Tue Oct 16, 2018 10:07 pm

I think you use the first equation when finding the energy change from one energy level to another, and the second equation when the question specifically mentions a side length, or something like "box".


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