TRUONG EHSP TP.HCM
KHoA vdr lf
ot, rnr KET THUC nnON Hgc
nnox: vAr r,f xcuytN rU
tdp:Li2cN
NAtrt 2oo9 - LAn r
Thli gian: 90 pht'it
Cffu I (2 tt): Trinh bdy nguy€n tic ho4t dQng cria Ong ph6ng tia X. N€u phuong
6n xhc dinh budc s6ng nh6 nh6t trong phd tia X.
CAu 2 (3 tt): Dr/a vio ctinh luQt b6o todn ndng lrrgng vi b6o toin ctQng lrrqng
trong qu6 trinh tdn x4 chtm tia X l6n electron trong nguy€n tt?, chimg minh
h
c6ng thtl'c tdn x4 Compton: Al, = l.' - l. = -_ (l - cosO)
IIIoC '
u 3 (3 tI): Mfiu nguyOn tfr theo lf thuy5t N.Bohr
a. Sr} dpng lf thuy€t Bohr, h6y x6c clinh bdn kinlh6y x6c clinh bdn kinh a11qu! cl4o thf nh6t cfia
Ciu 3 (3 iI): Mfiu ng
electron vd vfn tdc vs cria n6 tr€n qu! d4o ndy.
b. Cric vgch ph6 ndo sE xulSrt hiQn khi kich thich nguy€n tti Hidro
electron ndng luqmg 12.5eV.
Cffu 4 (2 d): H0 thr'lc t6t ainn Heisenberg
X6c <linh clQ bdt dinh cgc ti€u vC vi tri cta mQt photon c6 budc s6ng
0,
50001 n€u bi€t bu6c song chinh x6c d€n phdn triQu.
Sinh vi€n khdng srl dgng tiri liQu
cto\i-, J 4tt(L
tt3 3
-)4"lr'Ub^W