Đang tải... (xem toàn văn)
Cuong d0 ddng quang diQn bdo hod tlngB. Khoing cdch gilra haikhe a:lmrn..[r]
(1)*s
Ciu 1: Chi6u rnQt birc x4 diQn tu co budc s6ng ), : 0,4pm vdo cat6t cria mdt td bao quang diQn
thi co hiQu ring quang di$n, Gi6 su hiQu suit quang diQn ln 20o/o , tirn cudng cl6 dong qrung Aiqn b6o hoa , bi6t c6ng su6t cria chum bric xq chi6u tdi cat6t ld 2W
A 0,15254 B" 0,1425A
C&ar 2: Trong thf nghigm Y6ng llglt0n la anh
ttri quang ph6 bac rQng :
A" lpc , vang , dd 'C" dd , luc , t[nt
c 0, 12884 E) 0,2 15A
sdng trdng dg rQng cira quang phO bac 3 la 1'Bnltn
A.2,7tnm B.3,6mm C.3,9mm D.2,4rnrn
Ciu 3: Di€u nAo sau ddy li ssi n6i d6n nhirng tet qua rfrt tr)' thi nghiQrn r,6i t6 bdo quang diOn ?
A Cuong dQ ddng quang dien b6o hoa kh6ng phrl thuQc vdo cudng <IQ churn irnh s6ng kich ;
thich ;
B Gi6 tri cira hiQu diqn th0 harn phq thuQc vdo budc s6ng cria 6nh s6ng kich thich C I{iQu diQn thtl gifra andt vi cat6t lu0n c6 gi6 trf drn khi dong quang diQn.triQt ti6u D Ddng qLlang diQn v5n t6n tqri cd khi hiQu diQn th6 gifia an6t va catOt bing kh6ng
Qfiu 4: Chi6u tia sdng hgp g6m.4 thdnh phAn don slc (do , vdng , lpc., tirn) vu6ng g6c vdi rnpt b€n AB cria ldng kinh ABC , th6r, tia 16 miu luc nim sdt rn{t bdn AC'cria ldng kinh ihi tia 16 kh6i m{t bOn AC cfia ldng kinh Ii c6c tia sau :
13 Vang , lpc , tinr 83" clo , vang luc , tfm
CAu 5: Hai vach dAu ti0n trong d6y Lairnan cta quang ph6 nguyOn trl Hidr6 c6 budc song Iuqt ld 4 = 0,122(tnt) vd 7, = 0,103( pm) thl budc s6ng cria v4ch I{ utrong ddy Banme ld :
A 0,225pm N3 A,628pm C" ,661 prrn & 0,019pun
Ciu 6: Trong thi nghiQrn vd giao thoa 6nh s6ng- kho6ng c6ch giD'a khe hep ld lrnrn , tir'2 k.he c16n rndn 6nh ld lm .Dirng 6nh sring c6 bu5'c song l : 0,75prm , khoing ci{ch tu vdn sing thri tu d6n vdn s6ng thir rnudi d ctrng phia so vdi vdn trung tam la :'
A., 3.6tntn H3.Z,Bnun C 5,Znlm W.4,5rnm
C0u 7: Trong thi nghidrn Young vC trign tugng giao tlioa 6nh s6ng vrii bri'c xa don sic c6 bu6c song Vin tdi thir c6ch vfln trung tdm Id 4,Ztntn Vdn sdng b6c 4 c6ch vdnlrung tdm rnQt
doan la bao nhieu ?
A.4,6rnm 13 4,8mln
CSu E: Neu irnh sang rlcrn silc di tu' mOi tn-rong thi co sg thay d6i gfra .
A" Van toc va tdn s0
C, I'An s0 vai brrryc sorlg
Cflu 9: Trong thi nghiCrn giao thoa irnh siurg c[ia l<lie Young cho bi€t SrSz:0,6nrrn, D:2m, )'=0.6/tm, khoing cdch tu'vdn siurg trung tim clOn diOm M tr0n rndn vAn lir x:9nrrn.'l'Ai
lAn
cliOrn M la:
A vdn sang b qc B" vdn t,Oi thir 5
{: 4.4rnm g} 3.6rnnr
A \ n r
trong su6t nay sang m6i truo'ng trong suot khac
Ij [JLro'c s6ng vd van toc
$ I(h0ng co gi thay cloi
(2)sfr (cg
*T* u
-Cf,u 10: MQt thi nghiQm vdi khe Young : a : Imm , D:2 m Anh^rs6ng ldm thi nghlQp: q6 budc song )" : 0,66 pun DQ rQng cira virng giao thoi tr6n mirn hirng dtlh ld 13,2 mm Sd vdn sang tr€n mdn Id :
A.t3 8.9 C 15 D ll
Cflu 1: MQt tia sting trdng chi6u xi0n g6c tu kh6ng khi tdi gflp phdn cdch kh6ng khi - nu6c bi khrlc xa thi : '(
'tt^[.;hil
khric xqr ld chtun hQi tu co miu cAu v6ng con di6rn hQi tu thi mdu tring C chirrn kh0c xa lir churn phdn ki c6 rndu ciu v6ng
D tia khirc xa lir tia sirng tring
Cfiu t2: MQt kim lo4i dung ldm cat5t c6 gifi han quang diQn ld 2 o , c6ng thodt ld A .N6u chi6u vdo no mQt 6nh s6ng c6 budc s6ng lit )":
ff tnidQng n[ng ban dAu cuc dai cria electron quang
cti$n la :
lu.3&lz W Al2
,
CGu 13: Hi(iu ctiQn thCI giira hai cp'c
I A ,i \ \
eo vfln tOc ban dfiu bflng kh6ng thi irtrriCIu ?
A.75,5.10-l2m ts.82,8.10'r0ttt C.75,5.10-l0n"r D.50,1.10-r2rn
Cf,u 14: Khi noi vA tinh chAt cria tia hdng ngoai vd tia ttr ngo4i, ph6t bi6u nAo sau ddy li sai ?
A Tia h6ng ngoqli vir tia tri ngo4i ddu co t6c dirng nhiQt
Ii Tia hdng neo+i vi tia tri ngo4i d0u ld c6c bri'c x4 kh6ng nhin th6y C Tia hdng ngo4i vd tia tri ngopi cung co b6n ch6t sring diQn tu
D T'ia h0ng ngoai c6 budc s6ng nh6 hon budc s6ng tia tt ngo4i
Cf,u 15: C6rrg tho6t electrOn cria kirn lopi ldrn cat6t cua mQt t6 bao quang dien ld 4,5eV Chitiu vio cat6t lArr lugt cdc bric x4 c6 bu6c s6ng ) : A)6 prfl , )"2: 0,2A pm, )"3: 0,25 pt'tr, I 4 :
0,30ptr1 ,1s:0,36pm,10:0,40 pm.Cdc bri'cx4 gdyradtrgchiQntucr.ngquangdipnld: A A3, 7q rLs 93 A , 7z C 72,Ls, A+ g) A, 1, 72, 13
Cf,u 16: Phirt bi0u nio sau ddy ln khhng itfing theo thuy6t lugng tir 6nh s6ng ?
A Khi 6nh s6ng truy6n di cfc photon khdng d6i, kh6ng phr,r thuQc vdo khodng c6ch d6n ngu6n sdng
B Cuong dQ churn 6nh s6ng ti lQ thuQn vdi s6 photon trong chim
C C6c photon c6 ndng lugng bing nhau vi ch0ng lan truyOn vdi t6c d6 bdng I) Chtrn 6nh s6ng ld rnQt chum hat, m5i hat duoc ggi li mQt photon mang ndng lugng
Cflu 17: Chgn cdu sai :
A V4n tdc cta irnh sdng don sic khdng php.thuQc viro,mdi tJudle truydn song
B V4n t6c 6nh s5.ng h'ong m6i tru<rng cdng_l6n nriu chi6t sr-r6t cria rndi truong d6 cing nh6 C D4i Joqng dac'inrng cho 6nh sdng clon s6c ld tAn sd
n Chi6t s;ufit ciia ch6t liuri llng kinh ddi vdi 6nh s6ng nh6 hon d6i vdi 6nh s6ng rnhu h,rc
Cfiu tr8: Thi nghiQrn giao thoa iinh sdng viri khe IAng, chi(iu d6ng thoi hai bric xA clcrn sic co biroc s6ng ?,1 :0,48prm vd )"2:0,64prn Ngucri ta thAy t4i vi trf vAn s6ng bqrc 4 oba b[rc xa ].1
cirng c6 v6n s6ng bflc k cua bfrc xa ]"2 trrJrng t4i do B4c k c16 ld:
A.5 8.3 C.2 D.4
Cfiu 19: Trong phdng kin , khi chi6u siing vrio tdm kinh <Io chirn sdng ving ( r6i tit ddn thip sdng ) , thi ta thiiy co rntiu gi ?
A Cam B Een C Ving D Eo
Ciiu 20: Chi6u cl0ng thoi hai brlrc xqr don sic 2, =0,64/tm vit 7, =0,481tm vito hai khe ldng ICroiing crich gi['a hai khe I]r lrnm, khclang c6ch tu hai khe d€n rndn lir l,25rn I(hoing c6ch tu vAn s6ng trurnf tflrn d6n vdn sfng cing rn.iu vivi no vi gAn n<i nh6t ki :
A.3,6mm B [,2mm C.2,4mtn l).4,8mtn c, 3A g)" 2A
, A -E-\ I t a /R,{ {)1,f t - -r Z] I 5r -c-\- '
(3)Cflu 21: Khi cudng dQ cta chtrm s6ng chi6u vao catot cria tti bdo quang A Cuong d0 ddng quang diQn bdo hod tlng
B Hiqu dipn th0 hdm tdng
C.VAn t6c ban dAu cuc d4i cria quahg electron tdng D Gidi hgn quang diQn cria kim lo4i tdng ",
diQn tdng thi : s
., sO elecetron $$n"c ra khoi
Cfiu 22: Cuo'ng d0 ctia dong quang diQn bflo hoa ln 20prA t0 bao qllang difn trong mQt gia)' 1A
;
A L2,5 1b'o electron EB | ,25 1 015 electrou C 125 I
CSu 23: Mu0n quang pho cua nguy6n tir hidr6 phat ra nguyen tft d6n trlu'c n[ng lugng
A.o B.M C"L
I{iQn ttrq.rng niro 1i0n qlran den hiQn tr-rgng giao thzro anh sang : e & I;IiI ;V ffi I ;V C tr; Il; trII, IV.
t
cat6t cira
Ciu 24: Nhan dlnh ndo dudi ddy vC tia tiOng ngoai ld khdng chinh xirc ?
A T6c ch;ng n6i bflt nh6t cria tia h6ng ngo4i ld tdc dpng nhiQt B Chi c6 nhtng vdt c6 nhiQt,dQ ttr6p mdi ph6t tia hiing ngo4i C Tia h6ng ngo4i c6 bin chdt li s6ng diOn tir
D Tia hdng ngo4i li nhftng br?c x4 kh6ng nhin thdy dugc, c6 budc song I(m hon budc s6ng cria 6nh s6ng
CAu 25: pC triet ti0u ddng quang diQn ta phii dirng hiQu diQn th6 hdm -3V Cho q" - *1,6.10-'eC
mn =9,1.10-'' kg V0n t6c ban diu cuc d4i cria electr6n quang diOn ld gid tri nio sau :
A" i, C3 I 05 m/s B" 1,03
' 106 m/s C, 2,A3 106 m/s
Cilv26z Trong c6c trudng hgp sau :HiQnrtugng cAu v6ng (I) ; Mdu sic s4c sO trOn bong bong xdL
phong (II);.Trdng c6 quAng GII); Mdu sic tr6n v6n ddu Ioang (I! Mnu sic s{c so thu dugc sau
te c6-d4t gAn cira sO t<t,i co 6nh s6ng m{t trdi chi6u vdo (V).
r4 electron
D I r25 I l4 electron
dugc 6 vach ph6 thi phAi kich thich & I.J
flB" II ; IV
Cdu27: Chgn cdu sai khi so sdnh hiQn tuErg quang diQn ngodi vd hi$n tugng quang di6n trong :
a DAu ldrn bri'c dlectron kh6i chdt bi chitlu s6ng -, r* B*6 s6ng cira
photon o hiQn tuong quang diQn ngoii thudng nh6 hon o hiQn tuong quang d19n
C M0 ra kh6 n[ng bi(!n ndng lu'gng 6nh s6ng thdnh di6n n[ng
D Phai c6 bu6c s6ng nh6 hon gi6i h4n quang di€n ho{c gi6i h4n quang d6n
Cdu 28: Trong hien tLrgng phft quang cria irnh sdng 6nh sdng ph6t quang c6 rniru lam, 6nh sdng
kich thich c6 miru :
A chdm B virng C da cam D d6
Cfiu 29: 'frong thi nghiQm giao thoa 6nh siing vcri khe Young ,.budc song dnh sdng dung trong tl nghignr )"=0,5pm Khoing cdch gilra haikhe a:lmrn T4i rnQt di0m M tr0n min c6ch vdn trung tdrn 5,0mm ta c6 vfln sdng b4c Ee tai d6 ld vdn s6ng bic 4 , pltiri doi mdn ht'ng vAn rnOt doan bao nhi€u ? theo chiiiu ndo ?
A Ra xa mflt ph6ng chria hai khe mQt do4n 0,l5rn
B Lai gAn mflt ph[ng ch&a hai khe mQt do4n 0,5m C Ra xa rnflt ph6ng chria.hai khe rnQt dopn 0,5m D L4i gdn rnqtt phdng cht'a hai khe mQt doan 0.1 5m Cf,u 30: Chgn cAu soi trong cdc cflu sau :
a OC thu duoc quang ptr6 trap thu,'nhi0t clQ ctia cliuir khi liay hoi hdp thLr phai I6n hon nhiet l
d6 c[la ngudn sirng phdt qlrang phd li6n tpc
B Quang ph6 v4ch phdt x4 ctacdc nguy6n t5 knac thi kh6c