i. ii /'=q /1 ''0ffi.9 .tti\ ''+ bir>- /// ./ ./ CQng lroi X[ hQi Uhii mghier V-iEt *ont 't ^ ,. , Di '['FII I\'tONr ciiu TRuc NGU]'IIN Tu 'LAP ' ct'NnAnt v4r LV Tlrdi gian trrm bii: 120 Phtit r . , -4 -:' ' i.,,A- +'-'' I'irlrn l.Sukht'rsrrybi6ntrongciutrirctirrht6ciirrnguy6ntfrlriclro ct-bitit do b6 chinh ctra cdc '*i;;;i;:;it"1''g d'dt nguy.n tir lriclro clo'iQLr irng ttrong i ooi tintr cltro'c tinht o, - [ ,.t ' 3l l' i l ' i . LE,,,=?t,,lJ.vr-41 !' n rrong d6, a =!1137 fA hi'g ,O'"eu tr'c tinh t" , 7J+i ve E1 cltro-c tinlt : €ua ngqydn'tir heli. " '.'" ' Ji i\ .'i:l ' l 2.V.ii5tntc.ic6c:;0hqlrgpll6 zr:r|([.),,.ilacitaeiutri.rc.i"!.t.i" thii co bin vi d hai trqng thii. kich thich diu tidn' ' - - .: I III.TuangtaeJpin_quyd3otrongnguy6ntrinhi6uelectron cho biiSt do bo chinh cira "a"g itidgHiG"g tdc spin' qu! dqro trong nguy€n ffr nhi€u etectron duo c tinh boi : AE =f,eO,S>[-11-r + l) - L(L+ 1) - S(S + 1)l ' trong d6' A(1"9) li mOt hing s0 gia sir duong trong bAi to6n dang ?r l. Tinh Ua""su,,.UTen "ira ,nOi -** t't*'(I), tuong irng vdi s6 hqng z's*t(I)' Cic m(rc ndng rusng;;il"ut "n,1"t gi6 tr!nio cna S- ve Ls€ kh6ng b! s'v.!i6n ? ciai thich' 2. Tinh tIQ dich chuy6n nn=L,q&,fl[J(J+l)-I(r+l)-s(s+l)l cira c6c m(tc cita s6 hang 3p . Bidu.diEn c6c dich chury6n niy tr€n mq do tli: . '" """ot. crJr"e i"i"r, qr',v,i. nrro.iii;a;: T":u ,.rnttd's inten'at nile) .: tE(J)-AE(./-11{/1r"s}'/' - -_r\ Hdy ndu irng clpng quan trqngrihit cira quy-tic niy' iir"'r{ f ) , - ndt- Ghi chfr: . Thi sinh kh6ng ittft/c si? dtlng tiri liQtt .Thi r#;;;d sfi'tlgng rcc-t qui cfra cf,u tron dd trri lb'i caic cflu ddd'i' t '- t_ ( I i= En+A€"'j TRLJONG DLIsP'l-P. ttO cHi lvllNtl E": -13'61 n2 1ev1 ' l.Vi6tc6cs6l'3ngplr63.,*'(l).,tuo.ngringvriin:l;n=2;rr=3cti1nguy€n: :]'.1." 2'Tinhgi6tris5.c[radQb6chinhAE,,',ciac6cmucn[ng.luo.ngn=l;n=2.V€tr€nscl dti c6c mfic nlng lugng vir c6c d0 b'5 chinh niry' .' 3. T(nh ei6 tri so qira c6c bt"t" ;l;;ir0ng cic dlch chrry6n tir r = ? vi 'n: I trong tliy ' i Lyman.Sos6nh",6i;"l;so,.gctioai"r,ii,, i6,:i,,iyi.''g.dtrtrtrctl.r6so(1;l.o.s.sstnrcture), II.cics6h4rrgptr6otr4nqttrriicorrinvicictr4ngtlr6ikichtlriclrciranguy6rrtii' heli'.u',,'"u""e",',.,'electronciratr4ngtrriiicobirnvictiahaitrrrngthirikichthiclrcliuti6n ov . nile) .: tE(J)-AE(. / -1 1{/1r"s}'/' - -_ r Hdy ndu irng clpng quan trqngrihit cira quy-tic niy' iir"'r{ f ) , - ndt- Ghi chfr: . Thi sinh kh6ng. nguy€n ffr nhi€u etectron duo c tinh boi : AE =f,eO,S> [ -1 1-r + l) - L(L+ 1) - S(S + 1) l ' trong d6' A (1& quot;9) li mOt hing s0 gia sir duong trong bAi to6n. DLIsP'l-P. ttO cHi lvllNtl E": -1 3' 61 n2 1ev1 ' l.Vi6tc6cs6l'3ngplr63.,*'(l).,tuo.ngringvriin:l;n=2;rr=3cti1nguy€n: :]' .1. " 2'Tinhgi6tris5.c[radQb6chinhAE,,',ciac6cmucn[ng.luo.ngn=l;n=2.V€tr€nscl dti