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# Test2solution - Name: ID: Test #2 (Closed book, Calculator...

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Name: ID: Test #2 (Closed book, Calculator allowed) Phys 113B Quantum Mechanics Mon l0l3ll20ll Problem 1: Problem 2: Problem 3: Problem 4: Bonus: Total: lt0 lts ns lt0 ls (Total 7 pages, 4 problems) ls0

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Problem 1 Answer the following question for Li (Lithium, 3 electrons), Mg (Magnesium, 12 electrons) and Ge (Germanium, 32 electrons) (a) Electron configuration (5pts) /-t lat : ( lPt) (ryoI 2 9z ( 9o )D fo { /S) ' (rE)' , w Ltl.z1PD' . (tq" Gsf Cnu Gs1" ur fNo.l (:s)' ' (ls)' ("s)' (ry)r (- 4 s)- ?f)t 64' B d)' kff or L A 11 Jd'o +s' +f. (4vt (b) Ground state (term symbol) (5pts) /; , l=e. 9=), -T_ t ,- U * Ny' /-=O. S-A, J=o S=l , P=! , J=o + + + (' l'' ) L"r*A ( ryw>
Problem 2 Two particles of mass m are placed in a l-dimensional quantum well, in the lowest energy state compatible with the conditions described below. The potential is zero inside the well and infinite outside. Calculate the energy and wave function under the following conditions: @igenf.rnction & enigenenergy of 1-D quantum well:

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## This note was uploaded on 12/13/2011 for the course PHYS 113B taught by Professor Staff during the Fall '11 term at UC Irvine.

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Test2solution - Name: ID: Test #2 (Closed book, Calculator...

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