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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 I t I f, CAu 1 : Hdy trinh bAy nQi dung thi nghi$rn Malux. CAu 2 : VC duong dflc trung ph6 ph6t xa cta vflt den theo quan eli€m luo. ng tfr cta Planck: l. Biri tfio: Ciu 1 : Gi6i han c16 trong hi6n tugng quang tliQn d6i v6i x€zi le l" 0: 0.653 x 10-6 m. x6c dinh ^ -A a t , I I : r :A I : r i vdn tOc cuc tlai cua cluang electron khi chii5u xdzi b[ng 6nh s6nh tim c6 budc s6ng l,= 0.4 x 10-6 m. Cho lt:6,6253.10-34Js, m6:9,1.1031 Kg, c: 3.108m/s, e: 1,6.10-le c Cffu 2 : Hai 15ng kinh bing Th4ch Anh ghdp nhu hinh ve. Hai ldng kinh c6 cring g6c 0 dinh ln 300. Hai truc quang hgc cria chring thing g6c vdi nhau. Trong 16ng kinh ABC, t4rc quang hgc song song vdi mit vdo Ae vi thing g6c v6i catrh a ctia llng kinh .Trong lhrg kinh ADC, h'uc quang hgc song song vdi c4nh c cui l5ng kinh. Chi6u thang g6c vio mdt AB mQt chim tia sing song sollg don sic. Ap dung c6ch vE Huyghens ,vE dubng di cia c6c chrim tia sang qua hQ Crdng. l"^e,c <iinh piruo;rg cirAn ctra c6e chiilntia 16; (Sinh vi€n khOng dugc sir dsng tni HQU) D -* c 4 {€ . xdzi b[ng 6nh s6nh tim c6 budc s6ng l,= 0.4 x 1 0-6 m. Cho lt:6,6253 .1 0-3 4Js, m6:9 ,1. 10 31 Kg, c: 3 .10 8m/s, e: 1, 6 .10 -le c Cffu 2 : Hai 15 ng kinh bing Th4ch Anh ghdp nhu hinh ve tfr cta Planck: l. Biri tfio: Ciu 1 : Gi6i han c16 trong hi6n tugng quang tliQn d6i v6i x€zi le l" 0: 0.653 x 1 0-6 m. x6c dinh ^ -A a t , I I : r :A I : r i vdn tOc. Vat Li pB Trr u6N QUANG ( L6p cu'NHAN ) Hqc kj'II N6m 200 6-2 007 ( Ee thi ldn II) Thdi gian 12 0 phirt I t I f, CAu 1 : Hdy trinh bAy nQi dung thi nghi$rn Malux. CAu