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GummyLizard
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Homework Statement
Determine what colors of visible light would be absorbed by electrons in an infinite well, N = 3.1 nm. The effective mass for an electron in GaAs is one-fifteenth of the standard electron mass.
Homework Equations
En = πh2/[2*N2*me/15]*n2
L = nλ/2
Ψ = √(2/L)sin(nπx/L)
The Attempt at a Solution
En = 5.4624*10-27*n2 ...but the units do not look correct, and I don't know how to go about the rest of the problem. I thought it had something to do with eventually finding the wavelength.