so crAo nqc ve oAo rAoviNnr-oNc of cHfun rntlc n.. dao d$ng nh6 cria con lic tlon KHONG phu thuQc: A.. kh6i luqng vft nlng cua con lic.. ti s6 giiia trgng luqng vd kh6i luqng cria con li
Trang 1so crAo nqc ve oAo rAo
viNnr-oNc
of cHfun rntlc
n roJz e. B 10 A
A 2 cm B 1 cm
rci rm rHtl THpr eu6c crAN.{M 2ots
lrdu: vdr r,f
c 10\6 A
C 30cm
C 3 cm
D 1OG A
D.40cm
D 23 cm
n u=uocos(ot-#)v
Thdi gian ldm bdi: 9.0 phrtt (kh6ng ke thdi gian giao cti);
(DE c6 50 cdu, Strang)
Hg, t€n thi sinh: Ldp:
Cho biilt: hiing sd fhng n 16,625 Itial.s: tld tdn itiQn tich nguy€n tii e : 1,6 .lTreC; tijc cU dnh sdng trong chdn kfuingc:3.If m/s: luc' = 931,5 MeV
Ciu l: Chu Ic! dao d$ng nh6 cria con lic tlon KHONG phu thuQc:
A kh6i luqng vft nlng cua con lic B ti s6 giiia trgng luqng vd kh6i luqng cria con lic.
C chiOu dai driy treo cria con lic D gia t6c trgng lgc noi con l6c dao d6ng
CAu 2: Ddng <liQn xoay chiAu c6 biiSu thric i = l0Gcos(lO0nt) (A) Gi6 trl hiQu dpng cria ddng ttiQn ndy ld
CAu 3: Tr6n bA mat chAt l6ng c6 hai ngudn k6t hqp AB c6ch nhau 40cm dao tlQng cung pha Bi5t s6ng
do m6i ngu6n ph6t ra c6 Lin s6 Fl0(Hz), v4n t6c truy6n s6ng 2(m/s) Gqi M ld mQt di€m nim tr6n dudng vu6ng g6c v<fi AB t?i A, dao ilQng voi bi€n dQ cyc <lpi Dop AM c6 gi6 tri lon nhdt ld :
CAu 4: MQt v$t thyc hiQn ddng thdi hai dao tlQng didu hod cirng phuong, cung tAn si5 c6 bi6n <g 6n luqt
li 9 cm vi 12 cm Bi6n tlQ dao ilQng t6ng hqp c6 th€ li
CAu 5: Khi ttit tliQn 6p xoay chi6u vdo hai ttiu tliQn trd thuin R mec n5i ti6p vdi tu tliQn C thl bi6u thr?c cuong tiQ ddng cliQn c6 d4ng i, = tocos(rot + 1)A .tr4ic n5i ti6p cuQn d,iy L rdi mic vdo ttiQn 6p xoay
6'
chiAu n6i tr€n thi bii5u thrtc ddng tliQn c6 d4ng i: =Iocos(ort-l)A BiiSu thrtc tli6n 6p d hai tliu tloan
t
m4ch c6 d4ng
,q, u=uocos(rot+#)V
"
u=uocos(r,rt-f,)V .
CAu 6: M$t s6ng dm c6 bi6n d0 0,2mm c6 cudng ttQ am bang 3Wm2 H6i s6ng dm cung tAn s6 s6ng tt6
nhmg bi6n tl$ bdng 0,4mm sd c6 cu^dng ttQ Am blng bao nhi6u?
CAu 7: Trong thi nghiQm l-ang vd giao thoa rinh sring, ngudn S pbrit ra inh siing tlon sic c6 bu6c s6ng tAn tuqt D: 0,4 pm (mitn tim),0,48 pm (miu lam), 0,72 pm (mfu tl6) Gita hai v6n srturg li6n ti6p c6 mdu gi6ng mdu cria vAn s6ng fung tiim c6 bao nhi6u v6n c6 miu tlon sic lam, bao nhi6u vdn c6 mdu tlon s[c tl6:
A I I vAn lam, 5 vdn ti6 B 9 vdn lam, 5 vAn d6
C l0 vin lam,4 vin tl6 D 8 vin lam,4 vdn d6
CAu 8: Trong qu6 trinh lan truy6n s6ng tliQn tir, vdcto E vd vecto E lu6n lu6n
A dao tlQng cing pha vcri nhau
B dao tlQng nguo c pha v6i nhau
C ciug phuong vd w6ng g6c vcii phuong truydn s6ng.
D bi6n thi6n tudn hoAn theo kh6ng gian, kh6ng tuin hoan theo thdi gian
CAu 9: D4i lugng nio sau cl6y tl{c tnmg cho tinh chdt ai5i cnidu nfrann hay chim cua mQt dao tlQng diAu hda?
Trang l/5 - Me d6 thi 132
Me d0 rhi 132
B Gia t5c C Vin ti5c.
Trang 2Ciu 10: M$t mpch dao tt6 ng Ii tudng tlang c6 dao.dQng ar,e1
1ir
tu do voi tAn s6 goc o' Gqi qol} ttign
i"n * aii.rr";Ot uan tu dien thi
"uilg ab aong aiQn c*c tl4i trong m4ch la
D' Io = Qoo'
Ciu 11: Khi n6i ve hien nrqng quanC phil qy*.Cfllt bi6u n?o sau tl6v ihing?
-i niQTilq'e ran qu-e
"r'i *av iu ua ci3 9tr6t,1211Ja
cnat mi
Bc
gi$:Iii
,i 6"h s6ng kich thich thi rinh sring hulnh quang chua tat ngav mi cdn k6o dii mQt khoang
thdi gian nua
CAu-t2: Nang tuqng vit dao ttQng diAu hda:
"-i ;i"-;;t th6 rieng c'ira vit kIi vit c6 li tto cuc
'iai'
B ti lC voi biCn d0 dao tlQng'
"c.'i;,ri*
t,li tlQng ntrng cira vit khi vit c6 li tlQ cgc,tl4i'
Ciu 13: D[t tliQn 6p u = u."os znn ivj ueo nui tiu {9an lacfr chi c6 tu ttiQn thi cuong ttQ ddng tliQn tuc thoi ch4v trong m4ch ld r' i ffi;\;& ffiph6t bi6u nio tau eay uA quatt nQ gita i vd u ld ilung?
A i ch$m pha d2 so voi u' B' u ch'im pha n /2 so v6i i'
A: iffi;;'t"n; pha so vdi u' D' u 1u6n cirng pha so voi i'
cau 14: M.t chat diiim itao rt.ng diau hda_T1i thoi tfi6m h c6 li <10 3cm thi t6c d0 ,u 60J3
""y5' rai
#;;;; ";;;;;f ; #;uo.E "t' ," ,nin diiim b c6 ri d0 3s cm tni t6c trQ rd:
A.60 cm/s u
o' s0'E cmls'
CAu 15: Trong m4ch tliQn xoav "nfa" gi- n' l' C micn6i ti6p' Cho L' C' o kh6ng d6i' Thay d6i R cho tt6n khi R = tu thi P.'* Kht di,;;;;;oit'g'tie" r'ie" au"g trong m4ch c6 bidu thuc ld:
n.,= * ".t= ,io" " c'-_ h " t= *
cau re, rrlng nguy.n tu hidro, c6c mtc neng rugng img voi c6c tr4ng thii dimg dugc x6c dinh bnng
116
c6ng thrlc: g =-f:ev; trong d6 n= l'2'3""Nguy6n tu hidro tlang tdn tei d trang thii coi b6n'
mu6nchuyAnl6ntr.angthnidungLthiphnihApthpmQt.photonc6nanglugngbing:
A 12,1 eV B'i;:;v' '" ' 'c' j'+"v D' 8'5 eV' !
Ciu 17: Cho ldng kinh c6 goc ;hi6t q"ang e dft trong kh6-ng khi' Chi6u 6nh sring tton slc miu luc thgo phuong w6ng 96 uot .+t u!n"ti*i'i,ii ii" io ," lioi En;-il; nim s6t m4t ben tnu t'ui' N6u chi€u
tia sring g6m r aoh ,aog a*"lill.#'ll#.ii- "t;;;k?JA;; phuong nhu trcn thi tia 16 ra kh6i hng ki;h d m6t benrhrl_hai li:
B Gdm hai tia chim vir tim.
A Chi c6 tia mdu cam'
C Gdm hai tia carn vd tim' D' Chi c6 tia miu tim'
Ciu 18: Cho ttoan mach xoay chiAu nhu hinh €'gu9.n eY lir thuin cirn' cric 'r rTl
uon # nnCt c6 ttiQn trd rdt rc" "riii
il"" r' aong vi khi m4'ffTJi"',ftu' L
"G":.;t
.:,-':
,*i ll."X',:, '* 'r "T:|f:ilfi iJ"?aii^,X" .a
"n' u,
-
i 33:liV:l*E:a'"'fff:*'* il:::''T'li'ffix"5,.;ft1: *"
CAu 19: Dat tliQn 6p u = U"cos(ot+f) {V) neo nui dAu cuOn thuin cim thi ddng ttiQn qua cuOn thudn
cim li i = I"cos(<ot+<p) (A) Gi6 tri cua <c ld :
B,-tl
2
c.+
J
D.*
A
J
Tratg}l' - Me dA thi 132
Trang 3CAu 20: Con lic ld xo dao tlpng diAu hda, ld xo c6 tlQ cring 36N/m, treo v{t c6 ktr6i tuqng 1009, cho
n'= 10 D$ng nnng cia con llc bi6n thi6n v6i tin s6
CAu 21: Eo?n m4ch <liQn xoay chidu tan s5 fr = 60 Hz
khing cua tu ti6n teng them 20% TAn s5
A.3Hz.
A I >1.o B l, < L.
Ciu 25: Bu<ic s6ng ld:
A 100v
A 0,169s
C M4ch ph6t s6ng tliQn tt .
o
A Htnh 2.
Hinh 1
B A,9 = (2n+l)zt . C L(p =zn6 .
D.l2Hz.
chi c6 mgt tu <li9n N6u an s6 U fz thi d"ng
o tp=(zn+\fi.
Ciu 22: Trong qu6 trinh giao thoa s6ng Ggi Ap ln tlQ lQch pha cria hai s6ng thAnh phAn Bi6n tlQ dao tlQng t6ng hqp t4i M trong midn giao thoa tl4t gi6 hi cgc it4i khi (vr5,i n:0,1, 2, ) :
A L,9=Qn+\L.
CAu 23: MQt chAt diiim clao tt$ng ttidu hda v<ii chu ki T Khoang thoi gian trong mQt chu ki d6 vft c6 clQ
,I
l<5n gia t6c l6n hon -i= gia l6c cgc tl4i li :
iz
Cdu 24: Goi )'.ld bu6c s6ng 6nh sring chi6u vio t6m tim toai alit c6 l4p; )'o ld git5,i han quang tti6n cta
kim lo4i tl6 Di6u kiQn xiy ra hi€n tugng quang tliQn li:
A khoing cdch gita hai didm.gAn nhau nh6t tr6n ctng mQt phuong truyAn s6ng
B quing cludng md s6ng truy6n dugc trong mQt chu k| s6ng
C khoing cich gita hai gon s6ng
D khoang c6ch gita hai tli6m tr6n s6ng dao tlQng cirng pha v<iri nhau
CAu 26: Dlt vdo hai dAu mach diQn RLC n5i d6p mQt diQn 6p xoay chiAu c6 giri tri hiQu dpng l.Jr6ng tl6i
thi tli6n 6p hi6u dung tr6n c6c phan tu R, L, C ldn luO beng 30V; 50V: 90V Khi thay qr C bnng q C' d6 m4ch c6 cQng hudmg tiiQn thi tliQn 6p hi6u dgng hai tldu tti6n tro blng
Ciu 27: M6t 6ng ten parabol tfr t?i m6t di6m O tren m4t dAt ,ph6t ra m6t s6ng truydn theo phuong lim
vdi mnt phing ngang g6c 45" hu<rng l6n vQ tinh tlia tinh V Coi trii dAt ld hinh cdu brin kinh R:6380km
Ve tinh dia tinh 6 rtQ cao 35.8001cn so vdi mdt dAt S6ng niy truydn tir O d6n V mdt thoi gian
Ciu 2E: Trong so dd kh6i cira mriy phrit s6ng v6 tuy6n don gidn kh6ng c6 bQ phin ndo duoi tldy :
A M4ch tdch s6ng B M4ch bi6n tliQu .
Ciu 29: Khi khAo s6t m6i li€n h6 gita lugng tu ndng lugng e cia ph6ton theo tAn sr5 f, ta ve duo.,c dd thi
e(f) nhu hL:h v6 Chan dd thi dring
1
f
I,
Hinh 2 f
t
VHinh 3 f LHinh 4 f
Ciu 30: Anh sring tlon sic:
A kh6ng bi t6n sic khi qua llng kinh B.bi khric x4 khi d6n m6t ph6n c6ch hai m6i trudng trong su5t
C bi tiin sic khi qua hng kinh D giao thoa vri,i nhau
CAu 3l: Cho c6c tia hdng ngo4i, h.r ngoli, tia Ronghen vd rinh sring nhin thAy Tia kh6 quan s6t hiQn tugng giao thoa nhdt ld tia:
A tia hdng ngoai B tia Ronghen C tia tu ngoai D rinh sring nfrin thiy.
c, ), < ),, D l, = lo.
B,0,147s C.0,125 s. D.0,1l9s.
D M4ch khu6ch tlai .
B Hinh 4. C Hinh l. D Hinh 3.
Trang 3/5 - Me de thi 132
Trang 49i" 3?:,Ml le+ nhan di€u tri ung ttru bang tia gama lan dau tien ttidu tri trong l0 phfit Sau 5 tuan :t".": ,T-o"r."9 cung nguon ph6ng xa ban tliu Hdi trong lAn 2 phni chi6u xa rong thoi gian bao ldu
oe De nn.rn nndn dugc tla gama nhu lan tliu ti6n cho chu k! b6n re r =70 ngay vi coi at << T
CAu 33: Tim ph6t bi6u dring.vd hiQn tuong ph6ng xa?
A xiy ra cdng nhanh d diau kiQn-6p .uf,t cuo -
B kh6ng phg thugc vdo itidu kiQn m6i trudng
C suy giim khi nhiet d0 phdng thi nghiQm gidm D, chi xiiry ra trong c6c w n6 h?i nhan
cau 34: Khi chi6u [6n tuc m6t tia fil ngoai vao tdm kEm tich di6n am g;n tr€n mot dien nghiQm thi hai
16 cua tliQn nghiQm s€:
A Cpp b& lai B, Xde th6m ra C Xde th€m rdi cup lai D Cup lpi rdi xde ra
CAu 35: Chon cdu il6ng
A Kh6i luqng cua proton nh6 hon kh6i lugng cia notron
B Trolg h4t nhdn s6 proton lu6n lu6n bing s5 notron
C Kh6i luong cua h?t nhan blng tdng kh6i luong cria c6c nuclon
D H4t nhan cang bAn khi <t6 hut kh6i cang ldm.
Cil36,: S6ng truyAn tu M d6n N c6ch M 4,5 cm, voi budc s6ng l = 6 cm H6i dao tlQng s6ng tai N c6 tinh chAt nio sau tlf,v?
C0u 37: Con lic tl6ng hd c6 chu kj 2s vft ning con lic m:1kg dao tl0ng tai noi 5l0m/s2 Bi6n rlQ g6c ban <liu ld 50 Do c6 lyc cdn kh6ng d6i h 4:O,0l lN n6n n6 dao dQng tit dAn odng h6 niy dirng loai pin c6 su6t dien dQng 3V, kh6ng c6 dien trd trong tt6 bii sung ning luqng cho con lic, hi€u sudt cria qu6
trinh b6 sung ld 25% DiQn ticb ban dAu cua pin li Qo = l0' C D6ng h6 chay khoring bao lAu thi phii
thay pin
A 40 ngdy <l6m B 74 ngiy tl6m C 46 ngiy tl€m D 23 ngiy tl6m
CAu 38: Ph6t bi6u nio sau d.4y ld KHONG dung Trong mph tliQn xoay chidu kh6ng phdn nh6nh ta c6 th6 tpo ra tliQn 6p hiQu dpng gita hai <tdu
A cuQn cim ldn hon <tiQn 6p hiQu dpng gita hai diu tlo4n m4ch
B tU diQn ldn hon di€n 6p higu dUng gita hai diu do4n m4ch
C tliQn trd LJn hon tliQn 6p hiQu dung gita hai tlAu tloan mach
D tU dieD btug di6n 6p hiQu dgng gita hai tl6u cuQn cim.
CAu 39: X6t phan ung lo + ]o -+ I,T + p Ph6t bi6u nio sau ddy ld SAI?
A Chfun pha hon s6ng t4i M g6c 3nl2
C Cung pha voi s6ng t4i M
A, 3 cm B.4 cm
B S6m pha hon s6ngtaiM g6c 3n/2
D Ngugc pha v<5ri s6ng tai M
C.4,5 cm D.6 cm
A H?t ?D ddng vi cua hidr6 B Phan img niy rat kh6 xey ra
C r6ng kniii luqng cria hat 1T vA h?t proton nh6 hon t6ng hai hat iD D H4t fn bdn hon h4t 3,r CAu 40: Nguy6n hr md h4t nhin c6 s5 pr6ton vd s5 notron tuong rlng bing s6 notron vd s6 pr6ton c6 trong h4t nh6n nguyen tu jHe ld nguy6n tu:
A heli B liti. C trid D dotori
C0u 41: S6ng FM cua tlii ti6ng n6i Vi6t Nam c6 tin sii f : tOO UUz Bu6c s6ng md etdi thu dugc c6 gi6
dln
A ?"= 30 m B l" : 300 m. C ),: 0.3 m. D l,=3m.
Clu 42: MQt v$t dao tlQng diAu hda voi bi6n tiQ 6 cm Miic th6 nlng d vf tri cnn bnng Khi vft c6 tlQng ,tr
nlng blng : l6n co ndng thl vat cAch vi tri can bing mQt doan
dpng chri y6u.hi$n nay li
A giim ti6t di$n d6y
C tnng chi6u dAi tludng d6y
CAu 43: Trong quri trinh truy6n tai iliQn n6ng, biQn phep giim hao phi tr6n dudng d6y tai tliQn tlugc sri
B giim c6ng sudt truy6n tai .
D tiing <liQn 6p trudc khi truy6n tii.
Tratg4lS - Me dA thi 132
Trang 5C0u 44r X6t 3 so ct6 tliQn xoay chidu sau: Mach (RL) (so dd 1); m4ch RC (so dd 2); vd mach LC (so tt6 3) Cho R = l" = 2Zc, hn luqt thuc hiQn c6c thi nghiQm sau :
Thi nghiQm 1 : t ttii hai dAu m4ch vio ngu6n ttiQn kh6ng d6i thi kh6ng c6 ddng ttiQn qua m4ch
Thi nghi€m 2: N6i hai dAu m4ch vdo ngudn diQn xoay chidu c6 bii5u thric u:l00cos<ot(V) thi ddng ttiQn tuc t{di ch4y qua do?n 64"1t Ay c6 bi6u thuc ld i = 5cos(<ot - 0,5n)(A).So tt6 m4ch tliQn ndo tluo c sri dlng d6ng thdi 2 thi nghiQm tr€n ?
A s; dd t B so td 1.
C So tl6 l. D Kh6ng c6 so dd ndo th6a diAu kign thi nghiQm
A 16 cm B 14 cm C l8 cm D 12 cm
CAu 45: Dung h1t a lim ttan bin vdo nh6m dang tlirng y6n giy ra phan rmg ct+ l]Al-+ l!P+n DC phdn img niy xdy ra cin mQt luong ning luqng ld 2,7MeV vi.cho rnng hai h4t sinh ra h'ong phdn img c6
;ilr; ;# t6i, l-'Ay ktr6i tuqog tn; c6c-hat-gL Uing s6 tn6i cria chung tinh theo don vi l*4r6i lusng nguydn hr DQng nlng cta b?t ct bing:
-
l.:t l,t"V B 1,3 MeV C 13 MeV D.3,1 MeV'
CAu 46: D6 tto gia t6c tr9ng truong trung binh tai mot vi.tri (kh6ng y6u ciu xdc dinh sai s6) nguoi ta dirng b0 dUng
"[ gdm "oo lic don; giri treo; thudc tto chi€u dii; tt6ng h6 bAm gi6y Nguoi ta phni thgc hiQn c6c budc:
a Treo con lic l6n gi6 t4i noi cAn x6c tlinh gia t5c trqng truong g
b Dirng ddng hd b6m d.ey <ili tlo thoi gian cua mQt dao ttQng toan pnin dd tinh duo c chu kj T, lap l4i ph6p do 5 ldn
c Kich thich cho vat dao along nh6
d Dirng thudc tlo 5 dn chiAu dAi / cua ddy treo tu di'5m treo toi tAm vft
e Sri dqng c6n gth{rc g=4v2
-}- dii tintr gia t5c trqng truimg trung binh tei mot vi tri tl6
f Tinh gi6 tri trung binh / vd I
Sip x6p theo thri t.u dring c6c budc tr6n
A.'a"b,c,d,e,f B.a, d, c, b, le C.a,c,b,d,e,f D' a, c, d,b'f,e
CAu 4i: Hai dao <l6ng didu hod cirng phuong, cing tAn s6 c6 phuong trinh dao tl$ng
{ = 4cos(ot +
t)@n\ vd x2 ,42cos(ox -+) (cnr; Phuong trinh dao tlQng t6ng hqp crla hai dao tlQng ndy ld:
x:6co{ut+ p)Gn\ Bi6n tlo Ar thay <t6i dugc Thay d6i Ar dC A2 c6 gi6 ti lon nh6t Tim Aao-?
CAu 48: Trons thi nehi€m l-anS vd giao thoa 6nh s6ng tlon sic, khodu:g c6ch cua hai khe ll lmm
Khoang crich f m6t ptrang ctrua trai khe d6n mi,n ld 2m Trong h€ vdn tr€n man van srfurg b{c 3 crich v6n trung tim 2,4mm TIm budc s6ng rinh s6ng ding trong thl nghiQm
A O,6 pm R' 0,7 Pm C.0,4 Pm ' D' O,5 Pm '
Ceu 49: D6i v6i am co bin vd hqa am bic 2 do ciurg mQt cdy ilan guitar ph6t ra thi
A tin sti hqa em b{c 2 gdp ddi tAn s6 6m co ban
B hga dm bfc 2 c6 cudng dQ l6n hon cudng dQ im co bdn'
C d0 to dm bic 2 gAp t16i tlO to im co ban'
D t5c tt$ 6m co ban g6p d6i t5c d0 hqa Am bic 2.
CAu 50: Quang ph6 li6n qc:
A ld quang ph6 g6m nhiiu vach s6ng miu ri6ng biQt.
B do cric vat ph6t ra khi bi kich thich ph6t sti,ttg'
C php thuQc vio thdnh phdn cAu tao cua vat ph6t s6ng.
D, dung tl6 x6c dinh nhi€t d0 cria cic vdt phit sdng.
HEr
-CM.fu.- Hsc sinh kh6ng clugc sti dpng tai liQu trong thoi gian hm bni thi'
- Gi6m th! kh6ng giii thich gl thom
Trans i/5 - Me dd thi 132