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- Trudng Dai Hqc Su Pharn Tp.HCM
Khoa Vat Li
pB Trr u6N QUANG ( L6p cu'NHAN )
Hqc kj'II N6m 2006-2007 ( Ee thi ldn II)
Thdi gian 120 phirt
CAu 1 : Hdy trinh bAy nQi dung thi nghi$rn Malux.
CAu 2 : VC duong dflc trung ph6 ph6t xa cta vflt den theo quan eli€m luo. ng tfr cta Planck:
l. Biri tfio:
x
Ciu 1 : Gi6i han c16 trong hi6n tugng quang tliQn d6i v6i x€zi le l" 0: m. x6c dinh
0.653 10-6
a t , II: r :A I :ri
-A
vdn tOc cuc tlai cua cluang electron khi chii5u xdzi b[ng 6nh s6nh tim c6 budc s6ng
^
c: 3.108m/s, e:
x
l,= m. Cho lt:6,6253.10-34Js, m6:9,1.1031 Kg, 1,6.10-le c
0.4 10-6
Cffu 2 : Hai 15ng kinh bing Th4ch Anh ghdp nhu hinh ve. Hai ldng kinh c6 cring g6c 0 dinh ln
kinh ABC, t4rc quang hgc
thing g6c vdi nhau. Trong
300. Hai truc quang hgc cria chring 16ng
mit vdo Ae vi thing g6c v6i catrh a ctia llng kinh .Trong lhrg kinh ADC, h'uc
song song vdi
quang hgc song song vdi c4nh c cui l5ng kinh. Chi6u thang g6c vio mdt AB mQt chim tia sing
sic. Ap dung c6ch vE Huyghens ,vE dubng di cia c6c chrim tia sang qua hQ
song sollg don
I
ctra c6e chiilntia 16;
Crdng. l"^e,c
nguon tai.lieu . vn
