TRU0NC tH SU'Pr{aM TP.. HCMKt{oA vaT Lv oet KU cONG noa xA ruol cntr ncnia vrET NAM DQc lip.
Trang 1TRU0NC t)H SU'Pr{aM TP HCM
Kt{oA vaT Lv
oet
KU
cONG noa xA ruol cntr ncnia vrET NAM
DQc lip Tg do - IIirnh phric
DE TTII HET HQC PHAN CO HQC LUqNG TTIUAIT HQC 2008-2009
(Thdi gian ldm bai 90 phrit kh6ng te tncri gian phrit dd)
cnu r a) c:hri'g minn giao ho6n'ru: tr,;;i=",ir$-ir1) n d6 dp clq,ng ti'h
[n,o,,].
b) cho toiln rtr L, = ib, - 2by.Hay tinh c6c giao ho6n ftU:,i,f ,dlrt,L,f . Cii'u II Mrit electron trong nguyen tir hidro c6 trang th6i dugc m6 t6 bang; hdm sting da chuAn h6a
nr,,1r1=(+); _
t'_
2a^
"', d0=
trat
-v
7
I
I
I
a) tinh c6c gid tri trung binh (r), (p) iiu electron <r rr4ng th6i rr€n, b)'Iinr giri tritrung binh m6 men d6ng lucrng <L>.
Cho cds hdm cdu ),oe =
Cffu III N{Qt h4t trong tr5 tne mQt chi6u c6 thdnh cao v6
han, b€ n)ng a c6 th6 nhi6u lo4n U(x) = ).(a- x) tinfr v(x
b6 chinh ndng lugng d6n bQc 2 cho c6c muc n6ng
luqng
Cho hd.rn ridng vd ph6 ndng lu.crng ctra hat
6
t vn@)=llsinn4l, E,,=#,
Vt(r.0,q)= -L.R,,, 8'l r -'(t) + 3
ffi coso ll"'(r)'
rrong c16 R2e(r) =(+)1(r-ft)t*,
bdrr kinh gohr thri nhAt.
t'
a0
*2
tI ,, )la mee:
Chti !,: khdng ttngc sth dgng tdi liQu
t-C4%6*e^d