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TRuoNc DH Su PHAM TP.HCM xA Her cH0 NGHIA vrET NAM
CONG HoA
Lv
KHOA vaT - Tp do - Hpnh phirc
DQc lflp
THI Kf,T THUC HQC PHAN
MOn: Vat ry nguy6n tft - Ly 2 - He Cir nhAn
Thdi gian: 90 philt
C0u 1: Stt lwgng tit h6o ctic ilgi lwgng ilQng lgc
Di6m tcnac Uiet cia li thuy6t i"qrg d ld su luqng h6a c6c d4i lugng dQng lpc.
ViQc giii phuong trinh Schrodinger e6i vOi nguy6n tt Hydro ddn t6i sU lJqng to hOu
ndng lugng, dO l6n cia momen qui d4o vd mQt thanh phAn cira momen qui d4o.
a) HEy trinh bdy v€ momen dQng lugng quy d4o vd momen tu cria electron
chuyiSn dQng quanh h4t nhdn.
b) TrOn co sd d6 hdy gidi thich hiQu 'tng Zeeman thudng tuong img vdi sg
chuy6n mric tir mr?c img v6i (. =l vr5 mfc img vdi I =0 .
c) 1": q""g ring tu mric c6 l, =2 v€ mric img vor {,= I thi tAn
chuy6n
\6u,sU
sO cua ciic v4ch phd c6 gi kh6c so vdi trudng hgp o cdu b.
Momen tlSng lrqng qui ilgo L crta ekctron
Cflu 2z
Xdc ilinh gi6 tri $omen dQng,lugng qui dqo I cria electron trong nguyOn tri
a)
Hydro o it4ng tfrai Uch ttricir Ui6i rin$ ndng luqng kich tliich-tru-y6n cho
nguy6n tir d trang thfi co b6n ld l2,09eV
:ne=!ramg_Aui_ da. 9_. *i. cug=gJsa&t]=
trong nguy€n tu hqp v6i phucrng cria tu trudng ngodi. Bi6t ring electron 0 trang
th6i d.
Cffu 3: HiQu irng Compton
Tia gamma c6 ndng lugng 8,3MeV bi t6n xa Compton vdo g6c 900 bdi c6c
It:'
electron ban dAu dimg y6n. X6c d!nh:
a) Ning lugng cta photon t6n x4
b) E0 l6n vd phucrng cria dQng lugng giAt liri cfia electron
Cho bii5t m" = 9,1.10-3'kg, h:6,625.10-3aJ.s, c: 3.108m/s.
Sinh vi1n kh6ng s* dqng tdi li7u.
Cdn b0 coi t_hi kh6ng gidi thich gi th1m!
fiul '
)A,-,trbo
nguon tai.lieu . vn
