THI LÝ L5 2011(SPHN)

MOt m4ch dign g6m diQn tro thuAn R, cuQn thuAn cim L vd tq diQn C mlc n6i tiep, trong d6 diQn dung ctra tu diQn c6 thdthay ddi duqc.. NOu thay d6i dign dung cria tu C dA diQn6p hiQu dsng

r PHAN cHUNG cHo rAr cA cAc rni sINH (40 c6u, til cffu I tt6n ciu 40)

Cflu 1 Vflt-dao dQng diAu hda voi phuong trinh: x : Scos (ulrt+ nl2) (cm) Sau thoi gian t1 : 0,5.s ke tir thoi

di€m ban dAu vflt di du-o c qudng duong 51 :4cm Sau kho6ng thoi gian t2: 12,5 s (kC tu thcvi di6m ban d6u)

v{t di duqc quAng duong:

Ciu 2 MOt vat dao dQng diAu hod : o li d0 xt: -2 cm vQt c6 vdn t6c v, =|Jirckmls); s li d0

xz =ZJi cm v{t c6 vfn t6cv, = -Bn(cml s) Chgn t : 0 li thoi t1i€m vft c6 li d0 x : -NZ vi dang chuy6n

^ ,J dOng xavi tri cdn bdng Phucxrg trinh dao d6ng cria v4t li

TRUd-NG DAr Hgc sU PH4.M HA Ner

TRIIdNG THPT CHUYTN DHSP

Md.16 : 151

A x :4cos (4rt + 2rcl3) (cm).

C x:4cos (4m -2r/3) (cm)

DE rHr Tr{d DAr HQC ( LAN s) -2011

nn6N var Li

Thdi gian 90 philt

B x: Scos (4zut + a/3) (cm)

D x: Scos (2rt - r/3) (cm)

D AJ',

B ui,a :2 cos(Znt

+) ("m).

CAu 3 MOt m4ch dign g6m diQn tro thuAn R, cuQn thuAn cim L vd tq diQn C mlc n6i tiep, trong d6 diQn

dung ctra tu diQn c6 thdthay ddi duqc E{t vdo mpch diQn mQt diQn 6p xoay ctriAu, khi d6 diQn 6p hiQu

dpng tr6n m6i pnan tir lAn iuqt h Up: 40V, Ur:120V, Uc: 40V NOu thay d6i dign dung cria tu C dA diQn6p hiQu dsng gita hai dAu C le 60V thi diQn 6p hiQu dsng hai dAu diQn trd R bing

Cflu 4 MQt con lac ld xo treo thdng dr?ng, khi vflt 6 vi tri cdn bdng ld xo gidn 6 cm Kich thich cho vdt dao dQng diAu hda thi thay thoi gian ld xo grdn trong mQt chu ki ldzTl3 (T ld chu ki dao dQng cta v{t) DQ gian lon nh6t cria ld xo trong qu6 tfuh vflt dao dQng ld

$

s

s

Cfiu 5 Con lic ld xo nim ngang dao dgng diAu hod vdi bi6n dO A Khi vflt nflng chuy6n dQng qua vitri

cfln bAng thi git cO Ainn Aiem cni*r gifia cira ld xo, vflt sC ti6p tuc dao dQng diAu hoi voi bi6n dO

"#

A.A, 2

Cffu 6 MQt ngu6n dm c6 kich thu6c nho, phftra s6ng dm ld s6ng cAu 86 qua sg hdp thg vd phin x4 6m cira mdi truong Culng dO am chuAn Io: 10-12 Wlmz Tai mQt di6m tr0n m4t cAu c6 tam ld ngu6n phit

6m, bin kinh lm, c6 rn-irc culng d0 6m le 105 dB C0ng suAt cira ngodtt am ta

B.2A

aa

q

1S

v

Cfru 7 EAu O cria m6t sqi ddy dnn hdi rAt dai dao dQng v6i phucrng trinh: u : Zsin2nt (cm) tqo ra m6t s6ng ngang tr€n ddy Vfln t6c truyAn s6ng ld v = 20 cmls MQt di€m M tr€n ddy c6ch O mQt kho6Lng 2,5

cm dao dQng v6i phucrng trinh

A.ur,a :2 cos(2nt -

|) @m).

C ur,a :2 cas(Znt - n) (cm) , D urta = 2 cos2nt (cm)

Cdu 8 Khi c6 s6ng dlng trOn mQt sqi ddy clinh6i thi

A Lhoang thdi gian ngfn nttAt gifia hai lAn sqi ddy du6i thdng ld mQt nfta chu ki s6ng

B kfroang cdch gifta tliOm nrit 1d diem bpng li6n t<A ta m6t nria budc s6ng

C tdt cb chc phAn tu trOn d6y ddu dung y6n

D hai diem d6i ximg vdi nhau qua mOt di6m nrit ludn dao dQng cr)ng pha

Cdu 9 Khi dign 6p gitia hai d6u do4n mach RLC mic nOi tiep chflm pha nl4 so vdi dong di$n trong mach thi

A tAn s6 cira ddng diQn trong m4ch l6n hcm gistricAn xAy ra hi€n tugng cQng hucmg

B t6ng trO cria mqch bing hai tan *ranfr phAn diQn trcv thuin R ctra m4ch

A

, C hiQu s0 gifra dung kh6ng vd cAm kh6ng bing diOn tro thuOn cira m4ch

D diQn dp gifta hai dAu diQn trd sorn pha xl4 so vdi diqn 6p gifra irai dAu tu cliQn.

Page 1 of7( nna ai tst;

TRTIONG THPT CHUyeN pUSp FlA NQr -THr THLJEAI HQC t-At'i S-1ZOt 1) - M6n VAt li - nAa eC lSi

Cdu lCỊ Mdt eon lae ld

"o ni* ngang dao dQng diAu hoa xung quanh vf tri cAn bing theo phucmg trinhx = Acasalt (r;ang d6 t tinh bing giay)" Eiet ring cri sau nhirng khoing thdi gian bing nhau vd bạ,g ] (s) thi dQng nbng Xai bing nria co ndng SO dao đng todn phdn con lac thr,re hi0n trong m6i giay

" 20'

l;

Cffu ln" Cho hại dao dgng diAu hoa cung phuong, oung tdn s6; c6 bi6n dQ dao dQng lAn luqt la Ar: 5

cm; ,A2:3em" Bi6n d0 dao dQng tdng hgp cira hai dao dQng d6 ld

",T; ) ^ C J0:1n D 6 cm.

Cf;u 12 M$t doan mpoh diQn xoay chii:u gom mor suon oay vd mQt tg diQn mic ttOl ti6p DiQn 6p d{t vdo

hai dAu do4n m4ch e6 bi€u thue u = 200cos10)ftt N) DiQn 6p gita hai dAu cuQn đy vit diQn 6p gita hai biiir tu diQn cd elng gi6 tri hieu d,+ng, r.h,mg lgch pha *v,-1 ?L 3 DiQn ciung cira tu tii€ii biirg * C - $0" lsn

E0 trr cArn vd diqn tro thurd-rr ciia euQn đy ld

^14

A" L=**rft:tr000.

c L=!1 nrft=troofj.

^E B" l,=*OtR:-150f).

D L=zJ6 n;ft =t5oọ

Cf;ci 13 tsa di$ni O,A,B eilrng nim tr6n m$t nua dulng thdng xuAt ptr6t tu Ọ Tpi O d+t mQt ngudrr di€rn ph6t s6ng dm dang Frwomg ou kh6ng gian, mdi trumrg kh6ng hAp thU Arn Mric cuirng dQ Am tAi A ld 100

dB, tai ts Xe 40 dB" Mirc cudmg d0 em tai trung di0m h,4 crla do4n ,Ats la *

- tl " tLl dten oo cryn

5nk Cf,u 14 MQt n'rach diQn mdc tOi tl€p g6m cu6n đy thuAn cdm e6 d0 ttr cdnl L

-100- .r'4 ,, m h?i -r-r : +i i+^^-*^^L.-a+.+:a*:*",^ ,^t^:Ạ,^x oẬA-rr^ 'rlt

ou11g u =

-

r va blAn tuo R Edt vdo hai df,u doan rn4eh rn$t dign 6p xoay ehi6u e6 tAn sO f (cft gi#tdg

nho hsn i00 Hz) vA diQn 6p hiQu dgng {.j Sd cOng suAt tiOu ttm diQn eria doan rn4ch ld cuc dai thi pkiAi di€ụ

ehiiiti bi6n trs tst g'"6tri R- : 190 n Gi6 'rri afia dn sO f ta :"': n

A" 50 F{2 B 40 F{2 C"'25 FIz" D".EO }{2" ? v

C64 iS" h4aeh F,1C nAi fi6p e6 R: i00 g2 , I :1-!t {f{) Di6n 6p xoay ehiAu c{t vao doan rtrac;h ed bi€u

tXrire ur :\J jiccs2rr{!,tromg dc U: c.onst cdn f"thay r10i drrqc" Khi f : fl:50 F{2, rldng di€n trong'

; i

7T

mraetr nharul-r -_tpha !: so vdi ụ D€ đng diQn trong re-rpetrr cdng pha so v6i u thi tin sO f pnai nhpn 916 t#1*

:

A 2,s.,6 m" B" zs Jz ytz c, z,s "E wz x] 50 S rur il '

,4 n4fiu nguy$n túatrạ Rodofo ehfnh td rnO htnft hanh iintr nguty€n tu i<6t hc" p v6l l.hLryet'r-liin [ur

eO dl€re etaa fu{axroretrtr"

S iidAu nguyCIn .tfí slla Rcrdcyfb gl6i thié{e dtrqe r*riAu hiQn tllcry}g v6t li va ho6 hqe nhung v5'n XCrong grf,i thicta dugc; t{l*r bOn vff:lg eu:a e6e nguy€6l tilr vd- sy tao rttrrairh e;6e qrrang phd vpeh ewa aat'

ng,tyerr Lit

C" MAu inguyCIn tr'l L3o

"r6ra dtlng.nad ldruh krdn-h tintr nguy6n tir nhtmg vdn dung thuydt trurong tir

EF" lvtfr"u ngtey€n ttr tso d5" gihr thieh d0ng sg tao thanh e6e cluar-rg ph6 vpch edrạ eie nguy€n tt-l eirạ A

-t.'r?? ?tgiiyei-l [t-l tlOA tr

?c

TRUoNG THpr cHUyBN oHsp HA NOr -THr THU EAI HQC t AN s-(zot 1) - Mon vat li - vra ac rst

Cffu 17 DiQn n[ng d mQt tr4m ph6t diQn dugc truydn di du6i diQn 6p 8 kV vd c6ng suAt 200 kW Dien tr& dulng d6y tdi diqn ld 16 O Coi ddng diQn cr)ng pha v6i diQn 6p HiQu su6t cira qu6 trinh truyAn tii diOn li

Budc s6ng ctra bric xa dirng trong thi nghiQm li

Cflu 18 Cho mpch diQn mic nOi tiep gdm mQt diQn trd R : 250 CI, mQt tq diQn c6 diQn dung

C =-J-*pvd mot cuQn day thu6n cdm c6 dQ t.u cim t=9n EiQn 6p xoay chi0u det vdo hai ddu

50n-,7r

doan m4ch c6 gi6 tri hiQu dung U: 100 V vd dn s6 f : 50 Hz Ed dong di6n trong m4ch nhanh phu L

4

so vsi diQn d,p gifia hai dAu dopn m4ch, nguoi ta ghdp vdi tu tr6n m6t tu diQn Co Ph6t biAu ndo du6i dAy

dirng khi n6i vA c6ch gh6p vd gi|tri cira diQn dung Cs ?

1-1

A Gh6p nai tioo v6i tu co: ' mF B Gh6p song song voi 4t co:-mF' .

C Gh6p n6i tiep vdi t.u Co:L-mF D Gh6p song song vdi tu Co=fi*F '

ciu le' MOJ phan img

H:f#i:|ffi#ffif ffX" ,*u phan rmg nh6 hcm cia c6ch4t nhan sau phan rmg

B tdne s0 nucl6n cira c6c h4t nh6n tru6c phin img lcm hon cira cdch4tnhdn sau phin img

C tdn! k{rOi tuqng nghi cira cdch4tsau phALn ung lcrn hcrn cira c6c h?t nhdn tru6c phin img

D tOnE AO hut kh6i tlq"g ciia c6c h4t tru6c phan rmg lqn hcm cria chch4t nhdn sau phin img

C6u 20 Eit mqt di'Qn ap *ouy

"t iAu l20i - 60 Hzvdo hai dAu mQt cuQn ddy (ktrdng thuAn cim ) c6

dign tr6 thudn r :lgfithi ddng diQn ch4y qua cuQn ddy lQch ohu ,3 L so voi diQn 6p d6 E9 tu cim vd cdng suAt tiOu thu diQn ctra cuQn ddy tan tuqt ta

- A

0,046 H; iSO W 8.0,0295 H; 360 W C.0,046 Hi36^0^Y:- , D 0,055 H; 360 W'

CAu 21 Mqt mriy phuttignba pha mic theo hinh sao c6 diQn 6p pha220 V, tAn sO 50 Ht: Ngudi ta dua

1 ddng ba pha vio ba tii nhu nhau mic tam gi6c M6i tAi c6 diQn ko thuAn R : 32 f), d0 tu cim t:;'

vd diQn dung C =YF COng ,uAt do cdcthitiOu thu ld

IOTT

Ciu21.Thpc hiQn giao thoa 6nir s6ng vdi hai khe Idng( Young) c6ch nhau a: 1 mm Di chuyOn mdn dnh (E) ra xa hai khe them mQt doan 50 cm thi khoing vdn tr6n mdn tdng th€m 0,3 mm

Ciul3.Trong c6c lopi s6ng vO tuydn thi

A s6ng cgc ngin tl tang diQn li h6p thu manh

B s6ng trung truyAn tOt hcrn vdo ban ngdy so v6i ban d6m'

C s6ng dai bi nudc hAP thg manh

D s6ng ngan phan xa t6t o tAng

'diQn li'

Chu24.Trong m4ch dao dQng LC li tu&ng_c6 dao dgng diQn tu tg do, di6n tich cuc dai cira tg ld Q6 Khi

cutrng d0 ddnE diQn trong -a.tt e6 gi|tri bdng ll2 gila,tri cgc d4i cta nd thi dign tich cua tu ld

^

A'Jt . w Qo&

422.t

Cffu 25 M6t ch6t pholg x? N,sau mQt nfta chu kj, co bao nhi€u phAn tram ktiOi luqng cira mQt luqrrig

chAt phOng x4 d6 bi6n thanh chdtkhec?

A.50%.

Page3 of 7(we' da lsl)

D.4A%

TRU6NG THpr cHUyeN pgsp HA NOr -THr rHri EAI Hec I-Au s-qzot 1) - Mdn vAt u - Me d€ isl

CAu 26" M4ch chon s6ng cua mQt rn6y thu v0 tuy6n c6 diQn dung C thay ddi trong pham vi tir lpF dAn

1600 pF Khi di$u chinh diQn dung C d6n gi6 tri 9 pF thi m6y thu duoc s6ng c6 budc s6ng 1,8 rn DAi s6ng mir m6y thu thu duqc c6 budc s6ng

A tu 2 m d€n 3200 m

C tir 12 m d€n 1600 rn

do :80.Trong qud trinh tlao d6ng, ti sO

D 1,0321

'

Cfriz 27 "DiAu khing dinh ndo sau d6y li sai khi n6i vA ban ch6t cua 6nh sang?

A Anh sang c6 lu6ng tinh s6ng - h4t"

B Khi anh sang c6 budc s6ng cang ngdn thi thi tinh chAt h4t cang thC hiQn rd, tinh ohAt s6ng cdLng it the hien

C Khi tinh chfit hat th$ hiQn rO ndt, ta dE quan sdt hiQn tuqng giao thoa ctra 6nh s6ng

D" Khi 6nh sring c6 bu6c s6ng cdng ngan tfri khi ndng d6m xuy€n cdng m3nh

Cffu 28" Tia h6ng qgoai duqe dtrng

A d0 tim v6t ntlt tr€n bA rn{t sfrn ptrArn bdng kim iogi

B trong y te de chgp diQn, ehi6u diQn

C" d€ chgp anh be rn4t Trfi nAt tu'/elinh

D d€ tim khuy6t tat b0n trong sAn pkrArn bdng kirn tro4i.

Cflu 29" VI$t con l6c don dao ddng diAu hda v6i bi6n dQ g6e

gita luc cdng ddy cgc d4i vd lqc cdng d6y elrc ti6u li

B tir S m d€n 180 m"

D tir 6 m di5n 240 rn

c.1,a219"

c" x3"

C6u 3S" Hf;.y chqn phdt bi6u d{rng?

A Eiqn ti) trudng do mQt tich di6m dao dQng gdy ra sd lan truyAn trong khOng gian dudi dpng

s6ng

B EiQn tich dao dQng kh6ng thd Utrc x4 s6ng diQn tir

C V4n tde cua s6ng diQn trr trong chdn khdng nho hcrn nhiAu vAn tdc 6nh s6ng trong chAn khdng'

^ -l A , ,"rJ " ,A i:- .

D TAn sO ciia song diQn tu chi bdng ntra tdn sd dao dong cira di6n tich

Cffu 31 ThUe hiQn giao thoa dnh s6ng vdi hai k&e l0ng( Young) e6ch nhau a:1,2 rnm' iV{dn quan s6t

c6ctrhaikhem6ttniangD-1,5*.Cnle*rs6nghaikhebing6nhs6trgtrlnge6 AlEptm<A<0,76pm'

Bude s6ng eiia nhimg bire xp eXro vAn sang tpi di6m h4 s6ch vAn trbng akrinh gifta 1,8 rnnt ld

C" 400nr,a; 600nrn D 500 nrn; 750 nrn'

Cf,u 32 Cho mgt churil dnh sang trdng ptr6t ra tir mrOt ddn dAy tf,c tru-ydn qua rnQt Ong thu3'tinh chr?a lr"hi n-iat"

" ep-;;6;ilAt;di tlte" ;;t kh; e L"a ffqt naj-v quang eno' r'oe"

''ni'n qo17n sdt ct-'a kinh ouang nhO

tro-ng bu6ng tdi sC thi; cluqc

C b6n oA*i, *a,, tr€n mOt nAn tdi

D mdn quan s6t hodn toin tdl

C&u 33 Tionglhi u-rghi6rn [Ang v6 giac thoa inh s6ng nB'r6n sdng Bhdt d6ng thoi hai ht-re x? dryre.sdc,

eo hu6c s6ng nAn nuqr6 id 720 nna vd 45A nrrr" H6i trdn rnan quan sdt, gid'a- hai vAn sang gdn nharr rrhit 'iii

eirrug rndLu vdi vAn sdng trung t6na, e6 bao nliiBu vAn sAng kh6e rndu vAn trung tAne?

A.7,0295.

A 11.

B 1,0384

r}lR

Cftu 34 Thec quan da6ro efia thuydt htqrrg tlr 6nh sdng ph6t bi6ue nAo sau ddy lA Feia6rag drSng?

A Ch6n'i 6iih s6ng trd ma$t ddmg h4t, m6i h.at trd mQt ph6t6n rna.ng nlng lucmg

8 Khi 6rrh s6ng tp-ey$n di a6e pladt6n 6nh s6ng e6 mdng lt-r'o ng tr<h6ng d0i, kh0reg phu {hu6c khofing eAeh d€n ngudru sdirg"

C Chr,phdtCIn c6 ndng lurylg hing n.frau vi ehfing tran truyAn vdi rrdn t6o hdrrg nhau"

D Cu ng d$ a:htlrn sar.rg ti lQ thtlfi:*"r ','o'l sO ph6ton trca-rg eXrilrn''

1i i-,{ /{ ifi6 d€ li5 {

TRr.roNG THpr cHUyEN EHsp HA NOr -THr rHIJ EAr Hec r,Ar''r s-lzor r) - M6n vat li - Me dA lsl

Ciu 35 Cho tdc dO dnh satrg trong chdn t<Jr0ng c = 3.108(nrls) MOt chltben dAn c6 gi6i han quang d5n ld

0,62 pm Chi0u vio ch6t ban d5n d6 lAn lust cAc chrim bric xa dcm sic c6 tAn sO 1,= 4,5.1014 Hz f2:

5,0.1013 Hz; f3:6,5.1013 Hz; fq: 6,0.1014 Hz thi hiQn tuqng quang diQn trong sd xdy ra v6i

A chirm birc xa 1.

C chirm bfc xa 3.

B chtrm btrcxq2.

D chirm bric xa 4

Cdu 36 Ban ddu c6 m6t mdu 'jnoro nguyQn ch6t Hat nhdn ndy ph6ng xa ra hat cr vd chuy6n thdnh hat X vdi chu kj bdn rd ld 138 ngdy O thbi di€m'khlo s6t ti lq kh6i lugng chAt X vd P6 trong m6u li 103 :15

TuOi cria m1u ch6t lA

Cffu 37 Hat nhdn i'ffo Armg y6n, phdn rd a thinh hat nhdn X:']!f o -+ ltte +:X eiCt kh6i luqng c6c nguyOn tfr tucmg-rmg ld Mpo : 2)9,982876 u, MH :4,002603 u, Mx :205,974468 u Bi6t lu : 931,5

MeYlcz,c:3.108 m/s

Van t6c h4ta bay ra x6p xi bing

Cdu 38 MQt lang kinh thiry tinh c6 g6c chi6t quang A: 50, dugc coi.ld nh6, c6 chitit su6t OOi vdi 6nh sdr-rg d6 vA tim ldn tuqt h n6: 1,578 vir n1: 1,618 Cho mQt chtm sdng trdng hgp rgi vio mflt bdn ctra ldng kirlr

theo phuong vudng g6c vdi mat pheng phdn giSc cira g6c chi6t quang G6c t4o bdi tia d6 vi tia tfm sau ki:i

16 ra kh6i hng kinh ld

Ciu 39 Nguli ta t4o ra phtnimg hpt nhan bang c6ch dirng hat pr6ton c6 dQng ndng ld 3,60 MeV bin vio h4t nhanff ,nrattang tlfrng y€n Hai h4t sinh ra ld cr vd X Gii sir h4t a btn ra theo hu6ng vu6ng g6c

v6i huong bay cria hat prdton vi c6 dQng ndng 4,85 MeV f6y kn6i luqng obacdc hat tinh theo don vi u

gan bdnglO khOi ctra

"h,ing Ndng luqng tbaratrong phan img ndy bdng

, A.2,40 YrV 8.4,02 MeV.

CAu 40 Ph6t bi€u nio sau dAy dring?

A Vii t4r ld mQt hQ thi6n hd

B Trong vii try chi c6 mQt hO m{t trdi, d6 le he c6 chrla Tr6i Edt cira chirng ta

C Ngan na ln hQ thi6n hd ctra chring ta HQ mflt troi ctra chirng ta nirn d m6p thi6n hd

D Thi6n hd c6 d4ng hinh cAu.

IL PHAN rutnC: nf6i ttri sinh chi tlugc lim mQt trong hai phin: phin A hoic phfin B

bi€n d0 10 cm Bitit trong pQt chu ki f,

khoang thoi gian de vflt nh6 cua con lic c6 d0 lcrn gia tdc khdng vuot qui 8 m/sz IiLTl3 Ley #: 10 TAn sO

C 1,85 MeV D 3,70 MeV

dao dQng cta vft ld

C6a 42,Mdt con llc ld xo, dao dQng tat dAn trong mdi trucrng v6i luc ma s6t nh6, vdi bi6n d0 hic dAu ld

A Quan s6icho thdy, t6ngquang dumg md vft di Aoq tir lf; dao dQng cho d6n khi dtmg hin ld S N€u

bi6n dQ dao dQng Uan AAu fa ZA tn t6ng quang duong md vdt di dugc tir lfc dao dQng cho d€n khi dung

,!

han la

Cffu 43 Tr6n mdt nudc c6 hai ngudn k6t hqp A vd B dao d6ng theo phucrng thdng dimg vdi phuong

trinh lin luqt ld ur = asin(4}nl"(cnt), u2 = asin(41nt + n)(cm) Cho AB : 18 cm Bi€t v4n tdc truyAn s6ng tr€n m{t nudc v=12A (cmls) Gqi C vd D li hai di6m trOn mdt nu6c sao cho ABCD ld hinh

vu6ng SO ei6m dao dQng vdi bi6n d0 cUc dai vd sO AiCm dao ddng vdi bi€n dQ cgc ti6u tr6n doan Cl)

lAn Iust li

C.3 vd 4

Page 5 af 1(rwa de tst)

D.2vd l.

TRT.I0NG THpr cHUytN pHsp HA Nei -THI THU EAI HQC t-AN s-1zot l) - Mdn vat ti - nna ad tsr

Ciu 44 tuIgr dQng co kh6ng d6ng bQ ba pha co dign 6p dlnh mric mdi pha ld 220 V Bi6t cdng suAt ti6u'

th' diQn cua clong co ld 10,56 kW ve hC ;6 cong suAt

",ru to bing 0,8 Cudng d0 ddng diQn hiQu dung qua mdi cuQn dAy ciia dQng co ld

cffu 45 BiQn ph6p niro sau dfly kh6ng g6p phan tdng hiQu suat ciiu m6y bi6n 6p?

' A dung l6i sit c6 diQn tro suAt nho"

ts dtng day iadign to suAt nho XArn d6y qufin bi6n ap

C d1ng lOi sat g6m nhiCu 16 sit m6ng gh{p c6chdiQn vdi nhau

D d4t ia"Wsaicira l6i sit song song vdi m{t phdng chria c6c dumg sric tit'

CAu 46 phai bi€u ndo sau dffy ld sai khi n6i.vA sg ph6t vd thu s6ng diQn tir?

- -

t Ec thu song diQn tu phai mac phoi hqp mqt angen yoi mQt m4ch d3o dQng LC'

;t 55 pr,airo"g diQn tu phai mdc prt6i rtqp mQt m?y phpt dao dOng di6u hda voi mQt dng ten'

r- X-* *am nlram4rr thrr nhi ihrr ,i",t" *6t s6flg e6 tln sd x6c dinh"

; fi#;H;ffi;; ]i1];;;i d"";d* o""i*'v thu dusc diAu chinh d€n gi6 d bane f thi m6v thu s€ bdt duo c s6ng q tAg sO Auttg bAng f:

Cfru 47"flnh ctr{t gi6ng nhau gifra tia Ronghen vd tia tir ngo4i ld ^ ,

A bi hap tfru UO'i thuy tinh vir nude g l?P ph6t quang rnQt s6 ehat

C e6 tinh Adm xuyen manh D dau bi lech trong diQn trulng'

C6u 48" Chu kj, b6n rd ,t uii;o Ld2,60ndm Lrie dAu c6 5mg iiNa, thdi gian d6 cdn 14i lmg iiNan

A yrU+J tIAf (1 lJ" lJruJ / rd4(r{' v' s't ' v I

Cffu 49 Trong .,he tgphcrp irat ntiare sau, h6y ehgn ratdp trgp md trong d6 tdt ea cdc hat nhan d€u thuoc eirns mOt ho ph6ng xa tu nhi€n

ffiz+r lruorr, ;Kttt; Rn2re ;Bi:o, .

C T*r, ;p.Jro ;Tltou ;Bittt ;Rn22o

E U2rB ; Th'30 ; Pbto8 ;Ftu'.! ;Poll^ ."

D Np"f ;Rtts ;8i"3 ;TPoe ;Fr"' '

Cf,u 50" FhAt biOu niro sau ddY ld sai?

A" HiQn tuqng quang diQn thuQe toai tucrng t6e diQn ttr'

ts Qu6 trinh 6ng nqp hat ntrdn heXi thuQe loai tyqne-tlc manh'

C Lge rna s6t vi trgng lUe thuQe 1o4i tucrng t6c hAp dAn'

D Qu6 trinh phAn rA- P* , P- thude 1o4i tuotrg t6e yi5u'

BJ h e p e h qrgreg t s'!-B.ei SAry pao { l$ -c6 e'gl{-q6 ssj l jg-6.,#-€ 6-ta 6 CIl

C6u51.FTaiffa*@quaythangc1imgdiquatArncfraehrJlng,eocil11gGio111en

qu6rr tinh d6i v6i tuq"] pi* trli nhat dang quay vdi dQng ndng 1d w, ffi? ttru irai lian dAr-r dang dirng y€n' -{-i.: *1"- ttio 1 -,,,Ann rtiq 1 rar l-jr6f L-l'r,-ra*n tirtyi eian ngdn hai d?a quay v'5'i eilng rr'6n tOe g*e ' F$ng

ina {lfid LilA l" ;(LiU!iB (lid" r, i'o'u -iilu{ rulusarb raav- c''-'*

"-o ^X^- .","tq,, -,"ro hoi ,{?o li

L-{dl{6 Llu4J v!14 r(u(

Cf,u SZ" Momen dQng iuglig e&a nae,t v6-t rin quay quanh rnQt trge eO ei'1, tC

A" ktrOng AOi Uil hqp trgc tde dung 16n vflt bdng ktrOng'

E .1u0n tru6n thaY d6i

C thay c16i k4ri e6 rnomeia ngopi lge tAs c{qtng"

S" ttray dOi khi e6 rego4i lq-re t6e dvng'

C6u 53 Gi6i han quang di6n cu-a onOt ter*T.irn troai ltt275 nm Chi6u ddng tho'i vao tAm kim troai (e0 iap )

j 1-^: L.; ",,^-Ax =250nwvd fr:1,50.1015 Hz.ch<t11-.6"625.10ra"T.s;o:3.108en/s;e:1'6"10lec''

Ltu IIA{ LjLIU 1ad r",L'./!1

Ei€n thO ee-re dpi eua [Arrr kirn troai do Xd

A n,4 V B 2,8 V" c' 3,i'v" D' 1,7 -V"

cffu 54" Gi6 s{r ed eon tirr.r v{l rru ctiuyeft dQng v6i toe a0 v: e'12 aol v*i Tr6i DAt !:yi:la 1ne d0 6nn

s6ng rrong ehar, k_hffi rhi aO"i uA *e* n*nld-* d6 chay riuqe lh tlai dOarg ho tr€n Trdirlht ckray dwoe

A 0,866 h e" T,l s5 h c" 1,000 h" D' 1'203 h'

TRUoNG THpr cHUyBw ossp HA NOr -THr rnu DAr Hec t AN s-1zot t) - M6n vat li - Ma dA rsl

Ciu 55 Poloni '!lf onchAt ph6ng x3 c6 chu ki b6n rd 138 ngdy EQ ph6ng xa ctta mQt mdu poloni li 2.

Ci Cho sO Av6gadr6 Na: 6,02.1023 mol-r fhOi tuqng cira m5u poloni ndy ld

A.0,444 mg 8.4,44 mg C 0,521 mg

Cf,u 56 Trong eirch1t sau, h4t ndo kh6ng phii ld h4t so cdp?

A electron, B proton C alpha D pion

Cffu 57 Vfln dQng viOn trugt bAng nghQ thuQt dang dang t-ay de thUc hipn dQng t6c quay quanh truc ddi ximg dgc theo thAn minh N6u ngJoi d6 co tay l4ithi chuydn d6ng quay s€

Cf,u 58 tvtbt Uann di c6 momen qu6n tinh 3 kg.m2, tu trang inaingtri, duoc dua dOn vqn t6c 540 vdng

/phirt trong 6 s Momen lpc t6c dlrng l6n benh da la

Ciu 59 MQf chiec 0 t6 dang chuy6n dQng v6i vfln t6c T2Wnlhv6 phia ngudi quan s6t Vfln t6c dm tr*:,,1 kh6ng khi le 330m/s Ti€ng JOi *"

"O tin # 1000H2 Nguoi quan s6f nghe dugc drn cira ti€ng cdi v6i til s$

A.924,86H2 8.970,59H2 C.1060,61 Hz D.1064,52H2'

Cffu 60 LAn luqt chi6u vdo cat6t cira mQt tC bao quang diQn cdc chim 6nh sang don sdc cO tan.sO I Zl' thi vAn tdc ban dAu cgc d4i ctia ciic quang electron tuqng rmg ln v,2v N6u dtng chirm sSng c6 t6n s6 3f

thi v{n tdc ban dAu cgc d4i cira cAc quang electron ld

D.5,21 mg

D Jio v

HET

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TRrtoNG THpr CHUYTN E4.I HgC SrI PHAM HA NQI

DAp Ar,t Bp rHr a' rntl DAI Hoc nn0N vL.r lv

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