THI LÝ L4-2011(SPHN)

rR.{roNG FAx Fiqc su'pH4M HA I\iQi *tr T'E{E gf+ni B$ pFQC { LA1\T 4} -?*1L rxcjcNc gHFT criuYfil+ Br*sP e45 d6: i42 ti46m v'4'T'r-t Thrli gi.cn 90 pkilt I" PE{AN CFiLTNG CE{$ rar cA cac rraf $IFTH {l's cffu, ti} cflu tr diln eff*. d;*} CSu i. Chet drern dao d6ng diAu hba'ro'i phucn$ trinh: x: Acos t{u* xt4) {cm)'Troirg kiiodng th'dj gian 2,5T kefli thd'i eliOm ban dAu, sO lin,vfli tii qua li d0 x 1A!?:iL - -: '4 616n. e' 41An' C' 5 lAn' F' 9 iil"l' CAu 2. Mach ohgn s6ng cira m6t m6;r tlu v0 tu,viin c{' di$n dung C thay ddi.trong phpm vi tir 10 pF derr 8i0 pF. Khi diau ctrin#aign dung c-d€n eri.ti 160 pF thi mayihu dus'c sSng c6 bu6c s6ng 40 m' Ilai s6ng md mhy thu iliu duo-c c6 bu6'c s6ng ,.&". ti-r 5 m rl€n i60 rn. B' tin' 10 m d€n 80 m' r-l tu i0 m d6n' 90 m. $' tU'5 rn dOn 80 rn ' CSw 3. Fftat Uieu ndo sau dAy k[rSng dfreg? A" S6ng Am trong khOng l&i in s6ng doc' r { - -^- - ,.}^^.r.^* ,i,. 16 LTz Ai.n i{\ 12t4-; !3. Ta.i con ngud!. chi cd ttrr6 ngh* e*q; nt *"g 6m.c6tAn si5 trong l'J:c*irg tii i6kiz &€:n28 V'Hz ' ' " ;: v6 ,i,' "fai"ariy thl ,e*g-a* , ,ong si6u?m vir.s6ng h4 6ni d*u ld s6ng co' S" Sdng si€u Ain la uOng ma ta.l ngudi khdng nghe th6;r duo' o' ' 'l C&* 4" Dac clgng diQn t-ir trong mpch LCltd "d6ig a;Au iica. riii li9'u fig''i1t0 gita hsoi dau cu'6n cir:o th !,zV thi cu$ng dQ ddng diQn trong ju]6.;i.; :if * Cdn Lhi hiQi: tliQn th€ gitra hai a6u cu.n cA* la 0,9 V ,;hi ctrdng d$ ddng diQ'trong mach bin[ 2,4 mA'*]-JUO tu cam crla cu$n ddy L: 5 mFI' Bi4n J*ng ouu fi, diQn "a neng iogng eii€n t-ir ci'arn4cl'tuong fng bl*g .4. z0 n^',;;3;i;'l: rj' zoo nF vb z'?-s'rc'E,i' ;c,28nF-'rdi7,25.ll-oi.'ffi'22'5nF"rir2'50'10-8i'-: cff* s. con 16c ro'#"t "* tLa,,g eimg. v4t m dang dirng-y4,.tt"yp. cho vai tQntat' lrrclg thi*g,r'1irng xu*reg du6i t?ri sarr thbi gian Lt = xl:zc s,'ui.t dt",,lg igi tuc '*ol inn cftu vd kjri d6 ir) xo gtl'r:' Z*ar'3^ I-'ii;r g : ;#?.Ftan*Oa*dQn[cuavfltia: Br 4 rd { nni &. lC e;in. C" 15 cm' il' 20 c"rn^ cfru 6' Fhat bi#u nlio sau.ciay ia sai ? . **;*'n +n",,,An rrans rr. An fi, m6i trulng ciri dao l-t. Quf it#;rl"o4; tong la e1u5 trinh tru;r46 tr4ng ti:"4-i riao d$ng' cacph dQng t4i ch6, khOng truyAn theo sdng' I -1^ ^ - R !/., ,c ,ro,In, iu re*g c6 plii,o;:g dao "jQag vudr.g g6c vf,i phiiot''g'iiu 76;i s6rlg" Jt'.vvnLb,"b"'.'atn r +i . * - ! .i , r A, r" e. Song ";;; i,"ye- tft:T tion{ ch6t riir ;+ii.trong.ch4l lc;-'g' ip.i Sdng dqc ia s6ng cd ptr*orrg"rl^* dQng trfrng o*i pittt*g T uyen s'ir:g" $ong dcc tn;yall ii,:cc; cA *on[ ih. x'ulri,ctr6t long vi ehAt ri'n' thn7 h'Qt sdng am bien do c,12 rctn\ ctrcubng dq 6n. t*i mgt diam bbng 1,g0 v,,vrr2. l,{0. s6*g an: khiu c'i -,:,rs;A" ][';#*il* a'i uiru a,;{,;:m thi^s*i6 ttt*g d0 a-,-} tai 'ii€m d6 }d F,. 0,60 1v/$1,. E. 2.?0 6{ M;. J, s ,+a *l't*.' . fr " i6 ,7* T'{ ftnz - cf,* g. cho c6o loai biro xa sau: r riu nong ngoer. ll. rlu ffi ngo4i. iii. Tia Rrnglien' Eii" Anh s5.r.g n.hin thAY. giqfufta:*4 cd thO plift' r:a tir nhftng "'$.t b! nung qrlng l*. A.fIToa.ifi"'-B"1,illva'irr'6J'i'ilvi11/;l"il"iii":dil/ ra6 r' ia ru. r ci ilAn s6 i30,5 Iz.liSu irgub'i ta o6 no ca.liLr cll Cf;.u f . i ,iQt 6ng c6 in0i dAu bjt irin t4c ra 6rn cl,: b6n c&ar:[tt l]6 co ildn so i jU'] i-iz' i' thi khi r15 6ni co blLn tao rt a6 tAn s0 b[ng A \.'1l+". F?. Cgt,il-lz. {-''261',d2' &' I95'25Tiz' *(rrr* r\r€f&' Pa-ge 1 cf 7 l l t I i I l I I t. I l I I I I I I TRuo^IG TFi]}T CHtt{Eri *Fisp FIA NQI -Ti{ THU pA.I HQC.I-Ai'I 4-(2011) - Mrrm V$t ti 'rAa Ab t +Z Cfru 1S. Elo4n m4ch RI-C duqc m8c vdo ngu0n diQn xoay chiAu c6 diqn rlp hiQu dtrng U :220Y vd tAn i 1n-4 s(i l: 5t) ltz. iliSr L :l (p)' a : 1" 1F) . Tha;r d0i R t{ri giAtr! Ft:Fa tlii cOng suior. c&am4cFr c4t gi6 ILLjL tri cuc dai P,o", Chc2n ki5t qu& dring? Cffu 1{. Ld:ig diQn (xoay chiAu) ti?o thdi trodg,mqt do4n m4ch RLC m6c nOi tiep darrg scnn pha iroar so v6'i diQn rap tlsothdi giila liai diu do4ri mach. Ta l.im thay ddi chi m$t trong c6c thrdng s5 c'ia do4n ingch bing c6ch n6u sau ctr6.y. F'4udn xdl' vohiQn tuqmg cQng hudng diQn trong mgch, ta ph&i -l i r. ,1,^ r:l ft, teng tan sc oong G19n xcay cnlell- Y" tii* 11e- dung cta h; dir;n. C. giAm he sCI tS r;am a;;acu$n ddY" E, t[ng clifn tro cua ttach. CSu trZ. f}ign 5p xoaf, chi€u dft .;dc hai dAu doan m4ch RLC rnic nOi t;dp c6 tSnsO f. Piet,cumrg dO ddng diQn snrrr p\a hon n/4 sc vd'i di$rr 6p o hai dAu doan m4ch. Gi6 tr! diQn dung C tinh theo d0 f.,: c*rn L, di0r, tio R- rri t2ii s0 f I); 1 i /1 - I rt." (- : 7T.]'{2n fi- R} 1 a o \- I 2n f {2n fL + ii} nf {2r JL+ R} CSu 13, Nhaa dintr ndo sau dt1' '76 dao d$ng cudng birc li dirng? A. Dac dQng cu&rg b*c l-cdn c5 tAn si5 khec vc.ri $n s6 dao d$ng ri3ng cua he' -l) Ua* dgng cu&itg b-'3c ciuoc'oii tli6rn nEng iugag do rrrQt luc drigc di€u khi€n b&i chinh clao d$ng riOng cria hQ'ciua mdt co c6u ndo d6. i" Dao dQng cuOng brSc lr$i cQng irui,ng cd di6m giSng voi dao <iQng Cu3'iri o ch6 ci hai dOu cb tdrt s6 gdc : -, , ) ,l i , '- 1-a J +^ g6n diing b6ng tdn sd g6c ri€ng cria h6 dao d$ng. ) B. Bi6n dQ cria dao dQng cu6:rg b,jrc ti 1€ thuf.n vSi bi$n dO ciia ngo4i hlc cu&irg bric vi k&0ng php thuQc vdo ti,r sd g6c cria ngogi luc. j dao dQng .dieu -hia criirg phuong, co phuong irinh: xt=4cas(2nfi-\){c*r}; J )r - ft., 1.,-:fi60,r12"rt++){cm);;,,r=-?cos{Zr;Jt+;}(an}" De,ociQngtOnghrypcriabadeodQngtrdncdph'r:ong '3t] A.Ro: 150 f) i F*"*: 161,3 V'/. t. Rf : 10S fl; Fo.,u':484 W. ' 4 , x :Scos{Zn fr e-1.,45}{cm; . C. x = Scas'{Zn ft +-1,L5)(cm) . B. Ro: 50 ft i Pn,*:484 W. E"Ro: 100 fi; Fn,u* :242Wi 2nf{hfi-R} Alt C= Br. x: '/cas{Zn ft +1,38}{cr,z}. B" .r = Scos{Znft-\,tl}{crn} 1 hin'h ia Cdu 15" Ccn iac id xo ,Jao ogng <fiAu hria vdi ptrucrng trirh: x = 5 cos(5 rrt +!)tct",z) . FhAt bi6u niio sau Gay eungr e'iai thdl di$m t : 0, c1t:i cAu con \tt cali dQ cr;c d4i. t. ' I t!' ,r r'^ + - 4 t ts. 't'rong m6i gi6y, qi:a e4u ccn ldc thqre liiQn dtr-oc 3 dao d$ng yd di euc'. c qu6ng ducitg i5 cit'1. Q. Trong m5i giey, qui ciu osn l5.c thgc tri$n duqc 6 dao ii6.ng v-d dj duo. c qu6ng duong i20 cm. @ frong or,di !iay, qud. cAu con 1*': thgc hign dn-rs. c 3 dao d$ng vd di dugc q.uAng ducrng 60 cin" C&ir n6" Trong m4ch diQn gOm 2 ,;vdnd6y R1, Lr vir R.2, Lzrnhc nOl tluip nleau"vdo n'rQt ngudtl c6 gtittrihiQu dqng ld U. Gei Ur,Uz ld liif.u di€n thO iriQu dr;ng tr€n hai cuQn'dd.y. SiSu kiqn 6$ ry:gr+U2 ld: '* L, _ L, {_ L, *L, tu v R_r R2 R2 R.r FageZ of 7 n T rT m r-fi l4 l_,lTjJZ-i\tTn\". hTY-nla .EL" _t-tL2*.[\1A!2. Tp-UOI{c TF{pT Ci{Lryer'.1 pgsp r-IA NOi -TLll TiiLr n4i }iQC i-Ats +-izoti) - Mdn v at l{ - r'Il'i db 142, C6u 1?. i:.,zlgt rioan m4ch kh6ng phdn niifiih g6m mQt ctiQn iro thuAn P': 80 fi r:;:$l ciiOri d6y c6 'iian tro tirtan r :20 lidQ fr; cim L: 0,-?.i8 i{ va mO.t tU dign c,-i d,i€n.dung C thay dei duqc. Diqndp ;<cay chiAu *iu- rr-r ;t" ffi ilarr, rc gif:.tri hipu clgng {J': 22av: c5 tian r6-f : 50 i{2. K*hi thay doi c t6'i gi6 tri s'ao ch* culng dQ hiQu dirng cira ddng di€n'Jong ing.ch dat gi|tric'+c dai thi cOng su6t tda nhiqt tr6n ciign CSu r8" PhAt Uieu nio sau a6"y Lb' khdng disr'g? ^ -t .".x A r'\ iang crqn ir ( tang khi quyeir.d i.6 ".uo t* 80 km - 800 km, ch.r3a nhiAu hgt nte,ng diQn:c6c electronvd c6clon) phin x4 cec sOngng*n tatt}t' B. T6.ng diQn li kh6ng hAp th'; hc4c phan Nacf'c s6ng-cuc ngdn' C. Ean eenr.,.A*e d;fi"ffi#;; c6L s6ng trung tot hon ban ngALy. Ban dOm nghe etii bing sring irung rS hcn ban nS)Y: *.*^D - o,,song da;da dlng c'ii vlag qua al.r,ttr *b,*n?,r^ dring dA thOng tin li6n lac # nltftttg i*oang c6ch idn tr€n m{t d6t. ,, A. ,.^ n.^ ! . CAu 1g" iiAgt dc+n rrpch di6n >raay ch.ieu gOm 6$i pr:6n d6y r'i rn0t tu di$n mic irOi ti€p' Eign ap 'da{; vdo hai d5u doan mach c6 br$u th,ic u=Z00Jiccs100rr(V). Biqn 61: giira hai clAu cuQn dty vi diQn 6r gifia hai b6.n t' diQn c6 cring gi6 trj hiQri dgng, nhtrng 19cii pha nha': ! . ca"rsu4t ti0u 1.1tp diQn cia ) c'r.,4n mpcir ia 300 Tir. Di{n trcv thuAn cirr, cuQn ddy iA A. i00s?. E. i50n. o" Zscrfi. C*l: ?S. FiAu khAng dinh nlc sau ddy li iria$ng d:fng? ,4." E6nC co-k&6ng d.3ng bg j:oet dQng dr;a tr€n hiQn tugng ch.m i:ng diOn tt' vh' tf$ C$sg cua tfi' .t tn:,i:rg qua5r. E" C6 ih€ tao duoc tir tirsrxrg oluay b&ng c5ch che ddng diQn xoa;r chihi rn$t pha di q:.ia 3 cuQi iiffy tr€n s'tato ciia d$ng co irnOng dlgng b$ bapha' -,. fl6 +hA t*o?uc.c tu tiu:ong o.*uy eang ddng diQn xoay cliiAri m$t pha trong dQng co k$6rrg J. UV u 1v Lqr ui.t 9oJl$li$ *u- cua riro cira. rlong ca khdng ,Tsng bQ iuon r,hi h,m tdr dd g:sc chr:,) lrucng clire-y. Cffw Z3_. Mqr ti: ifi6n c6 di6s du,ng C'tiJh aiqn dan.hieu eipn tl:a_U" ri'u,:-c n6i v6"i .trdt cu$n thudn *6tn s: ,io iir-** I- qua in6t khdaK" gan *A-'; ki:rda K ngf;t Tvi tnli drAm t: 0, ngud'i ta d6ng kh*a K. Ec qua dier'tc tiruan cria d-&y ndi vir iica .r{, Fn6t bi6u ndo sau day E':}r6;ag dir;:g? i - '- A" l{igu Aien ine tu*n tr3 ig.n c'4,; ii6n bing kh6ng 6'ti:}di ei m I = n,EC S l,l6ng luong iti cuc riTi tioir i-rf trcllg c:r6n c6m nlCUi /- rv 4- r-rrirn",.4fi iidng,jiQn tat gif tr1 cuc'jai bXng{/,.fi . 1J. -v sVl t6 !LU uuri6 lr^ Fr tl6ng liro.ng ticg trfr trong eu6i-l cirn d thot diArn g = n4 I't- 'tt lCrL\. 27" BAi 22. Tia t3 ngoai lehs*g c'5 tinh chAt n}'a sau ddy? A." G&y ra m$t sd ph6n iryg quang no6'. B. GAn iriru trong su0t'i0; vdi thui'tinh, nud'c' C. Cd t6c dung r6t rn4nh i6n k{ntr anh' R. C6 hSA n5"ug ion hcd khdng k-hf. . Cffu ZG. DiQn 6p xoa/ch.iAu dfi vio hai dAri doq.n iil4ch RI-C c6_bidu thfc # = 20$cclsi2rf)(f). F iti iyd:g-d0 hiqlr"dpng cnia Cdng ciiQr. trcng n-r4ch_ 1a_2 +:"h.i c,cne.s1ftii6tr thu cua.rn*ch la i00 lV' Citr cd crllii .K, o.reu cninn ra" tnong"uo i.:.lan cua m4.ch iL, C ,,il tAn sO !. C0ng sr-r6.t ti€u thq cuc dai trin c'can tro R bing h"387,2',{,1. ni.qch liL A"" i60c w. 8.44S \1/. c.484 V{. c.100 w. Yagt 3 c'r i e"242W. $" 175n. tr]" 800 w. 13" 200 w. TRUONG TI*T CI{UYlibr i}IdSP HA }dot -l'FU TI{tt Ed I HqC LAtr 4-{20\11) tvI6Fi V*,r t{ - It,f6 ddi42, CSu ?4. FiiQn tugng quangd5n 1A 4". hifn trcr. ng m6t ch6t ph6t quang khi bi chitiu bing chirm eieotron. , 'C, hiQn tuqng gidrn diQn tr6 ciia chittbilnd6n ftfii chi6u 6nh s6ng vio. S. srr truy6n sdng 6nli sdng bing sgi crip quang. ' C6r:25" h,{St chdt diAm kjr6i luErg J50 edao di,irg di6u hod c6 chu ki 2 s vd ndng lugng dao ddng 5 mJ. Bi€n d$ Cao ddng cta v4t ld (12y n 2: iC ) , C6u 26. Cho hai b6ng ddn di€n (so.'i eOq hoan toin gi6ng nhau c-&ng chi6u s6ng vA.o mQt brlc tucrng thi A - ta c,3 &e quan sat duq c mQt hQ vdn giao thoa. , ,!3" khdng quan sat Cugc r'€a gaa tho4vi anh sang ph6t ra tri hai nguOn t.u nhi6n, dqa l$p khdng bao glo l& sdng kOt nqp.' C. iri-rdng qiran s6t dugc vdn grao tlro4 vi dnh sang do dBn phrlt ralCrdngphii $ 6ri,h sdng don s$c. S.khdngquan sat duo. c vdn giao rho4 vi ddn khOng phdi Id ngi:dn sang dieffi. Chw27. Fhdt bi6u ndo dudi a6.y vd d,nh sSng don s6c ld tiring? a" pOl v*i c5c mOi trubng khrlc nhau]6nh s6ng doxr sXg ludn c6 cirng br.:6c s6ng. "8. EOi v6i 6nh s6ng don-sic, g6c igoh c*a tiis6ng aOl vOi c6o lan! kinh khaE nhau ddu c6 c*ng giri tri- C, {"n! s6ng don s$, \i* 1nh sdng l*hdng bi 'cach mhu khi qua l6ng kfnh. 4.6" Anh s6ng dcrr sdc ld 5.nh s6ng }<h0ng bi l€ch doqgg truydn khi di qua ldng kinh" C*u 28" MSt deng hO quf, lhc chqy thdrt 4,32 s trong mdi ngbyr ddin t4i nbi cO eq cao K{gang mrgc nu*c b'i0n vd 6 nhiQt do 25oC. Thanh Ereo con 6c cd h0 sd n& ddi a = 2.181K-r. Cfi*g tai vi tri ndi'a6ntli6 chay dung gio o nliiQt d9 "{.5 cin. A. 15'C. E. 3 cm. . C. 2 crn- ft ?no/- c.300c. D,,4 cm. B" 19"C. CSU 29. Cic n$?c ndng lugng rrcng ngqr6n frt hydr6 duoc xfc dinh theo cring thric: E1 : -i3,5 eV; E2 : -3,4,0 eV; E3 : -1,51 eV ; Ea : -0,85 e\i . C6 mSt mOl ruri hydr6 nguy€n hi dang A trg*g thrii co ban. N$noi ta kich thicli khdi khi c16 bEng 5n-i1 sdng . C6c plioton co rituag h.rqilg neo dudi dAy se ktrOng irimr6i fhl n6p t*i[f A. i0,20eV. B. i2,OgeV. C"12,75eV. trir ll,i2eV. CSu 3t]. Gqi At li kho6ng thoi gian dC s0 h4t nh6.n cira mQtJugng ph6ng xq gihrn di e iAn ( e ld eo sd cta loga hg niridn vdi ine : 1), T ldL chu kj,b6n r5. cfia ch6t phOng x4. Bifur thfc ndo sau d6y ld ddng? 2TTTInZ A.^t=-=" B"Ar=: " C.At tu.At-:":. 1n2 i*2 2ln2 / -' _ T CSu 31. !_0 qLri tI.c, dlcnohu3'da pJr6rg x4, p.h6i bi6u nao dud'i ddy.ld sai? 4 frong pFq*g x4 y.,li+i nhAn coi-r tlep lai 5 trong hAng trdn hoi.n (so v6i h4t nhAn me). S" Tiong phdng x+ B; ii4t nhAn corr ti€n ni6t 3 trong cAng tr{6n hoi;i (sa vdi iigt nlr0n mei. _C. lmng ph6ng:*:? l3-i hat nhAn ccn iui q-cd 6 trong b*ng tu6^r h,cirn {so v6'i h4i nh6.n mej. -_P.]'t:,tl8.phdng z-a1r, l<hdng c6 sr: bi0n dOi h4t nhdn. ,i-flu i2" I'iret ni3u nio sau dny ii kh$-*g riring? A" Tia cr ld dong cid h4t nhdn nguy€n tri I-I3li I lie. H. Flhi di qua di$n tru'$rrg giflz hai ban cria tr; diqil tia or bf lpch vs phia b6n f;m. C. Tra oi lcn ir5a i&dng k:hi rit r,i6rir. '}}" f ia ca c,5 khA nEng d6"n: xiiyin lnpnh ndn Ciro.'c sri dr;ng dt ohfa bQnh ung tlir.r. CStr 33. PhSt bi€u ni.o sau ddy 1i B'-'.'Sng dfng lchi ndi vd hiQn t-uqng quang - phdt quapg? l-,FIi0n tuqng qrlang - ph6t quang ld -eipn Fqng m$t sd c.hAt pirAi s6ng l&i bi rmulg n6ng. ',r ts. F{uyni-r 4uang li sg pirdt quang clla cirdt i6ng liay ihdt thJ Cntr sang tlir.t qxrang h,Ar-r rih'r1 if.t ngay sau khi #t dnh sdng kfch thich. " - C:A;h sang ei,at quasg cd bud'c sdng iort hon 6nla s6ng kich ri-,icli" s. Sir p\t&:r. singc*a d*ir 0;:g lA hiQn tuqrag qilang- tr:hF.t quang. Yage 4 ai7 TRuoNG THpr cHUy€N nrisp t$ Not -TFIi rlru DAI FIQC i.AN +^ 1ZO : I ) - Id6n Vat ti - r,t'e Ab Uz Cffal J4. id6t tram phft oiQn cAn trui,66 di mOl cdr;g *:Lt 4-4 bAW cuiri eiQn 6p I i 0 kV. Ei0n tra t0ng cdng c*a dudng aay Ai diQn 1d ziltt. Coi nhu cidrrg diQn c*ng pha. v61 di6n 6p" i{iQu sudt c'ia qu6. tri:.rh ). .". .r.^ rr truyen tai oign ta &;92,73Yc. .8"9A,75Ya. C.82,85Yo. fr.96,48%. ,l '. : r rl +r 2 q'au J3" Knang cinn nao seu cay ia ciung. 'a. Vi tri vach tOi ticng quang ph6 hAp thr: cira rn$t ngr:3,6n t0 trlng vfi v! tri vaeh s6ng rniu trong quang pliO v4ch ph6t r.p cria ngu;v0n t6 d6. ts. Trong quang ph6 vach h6p thp cfi vin tai cach d6u nhau. C. Trong quu*g pfte, ,q.*1, pi^t x4 afnvd* shngvh.cic vAn tdi cdch dAu nirau. S. Qgang efrO nicfr *t ^ ri*nguy0n tO hOa hqc dAu gi6ng nirau $ ctng m6t nhiqt d0. C5.ra id. M6t chdtphSng >ra cd chu ki b6n rdT:7 ngiry.N0u iirc <iAu c6 800 g chilt ay thi sau bao idr: con lai 100 g? A" tr nghy. #" 55 ngdy. i,Zlngiry. W.28 ngiry' . Cf;u 3?. Bt6tc6c khoi lu{r-ng rflD: 2,A135u; mp: i,0073u; rnn: 1,0087u vd tru:931Me=vic'' NF'ng ^ "4. 11t 1^ _1 _J^ :zDle tu$lg lren Ret ileng cua n?t nnan orierl ;lJ ta A.3,2113lnrfeV1n:clon. ts. 4,tr046ldeV/nucion. {:^},).?/r&MeV/nuclon. ,d $. i,17i2MeY/nuclon. CSu 3S" Khi ciri6u liCIn tuc (trong m$t tho'i gian iCr6 dd.i) chum firh shng ci,: h0 qaang ph.itt ra vba tim kdmtich dien Ani ciuqc gan tr6n ciQn nghiem ihi thdy hai 16 ciia di$n rghi,am B" xde ra. . ),- [_E" XOe ra rol ct.ii] ial" CSu 3g. Hat nhfln m? A c6 hhOi i-*qmg n'r4 dang dfng ydn, ph6.n rd thAnh l[+t niiAn ccn E 'r]i h4t o c* khOi li:c.:rg nrs vi,"o, ,6 vl.nfir, ii. vsid vo" lvldi ii€n hC giira dQng ni,ng, kh0i l'*qng vA. <lq l6'n vAn t$c c',ia. hai hp'c sau ph6,n inig lA h" crJp I4i. " Cr cpp 14i rOi x,ie ra. r/ . ,l,LD vt flz_ ll^ To il't.z l/r ^, llb tlo rft! t K.DN4 ^'a 'c "-4 l( ar t4i ,tLF d - K, ,,) B tTxE Tl Tl !\i] - t'a [ItB Ko ,/ n !fro CS,-u 4S. FhSt bi6u nho dud'i d,6-v la,sal? - - . ;' . I ' , A, tt t h.Ttah0ng ngcai e6 b6n ct'tfrLi'i". srin.g di€r:. tu. - B" \iAr;'*; ;E;g't;hiet ,jO;h6p ,*\'ral i"tia, hong ngc.ai. l{i:ifr d0 *ria vi;i i'dn 5000C rii6i bfii irAi-r rh6.t rn 4'rh sii.rr kha ki€n. '"'"""" -*"'r-;;:?:; -"*br; co tf,c ci::.g niri0t, b,ud'c song ciia t;a.r,0ng ngcai Cii h,:"ir bii$c sdng cu"An':t s-* i ta. liJjls ii Sang ao. " b' Tia h6ng ngc4r ltich thfc?r 1-h! gi6c ldm cho ta nhin thAy mdLr,r h6ng. Ig" PX{A.N FSitf.lg: MAI tn; s;.nh *ir! ,juge l*rnr ne$t trong har ph*i.n: i:hA"n A lso4.e p}.n:i.'ru B. .,t.JEhceeiu.{s$siM-e.bsflEi n-Es$s'-&-€fu 33-&e-ffiS} Cfirs 4ll. Fli6t bl6u ni-o sar: dAy 1A khfinlg ctring? ,{. Fien 6p bi6n dOi di6u nbe theo th}i gia'n gqi ld diQn 6p xc'ay chi6u. n. Su$.t ciin dQng bi6n dOi diAu hda theo thd'i gian grTi lir suAt diQn d$ng xcay chiAu. C. *dng dign c6 cuixrg d0 bi5n dOi tufln hodrr theo thdi gian gqi ld ddng diQn xcav chiAu. i]. Doi -rci ddng di0n xcay chi}:, Cipn luqng chuyAn q:-ra;nQr ti€t diOn tirdng dfry ointrong mOi chu ki b5.ng kh0irg Cr4.* 41i)" T';r,le.z,t irhsrsg c,i: il; iii*m nio saii dAy? .4." 11$ don sEc cac. C. n;r.,ing iiQ icn" tr. d0 ciinh hudng cao ^ A,,. l:i;, CAn$ SUA-I iO?. Fage 5 of7 TITUONG Tltj|r CgUgErt EHSH IrA liei -TI{ TtsILI,'4I nQC IAX 4-t2.Sl1) - I'46n r/6t if - ri{6 dg 142 CSu t"3. Mot macir dae dQng gOrn c,rOn c6m thuin c6 dQ tu c6:rn 0,i H vi tg eii0n c6 iliQn dung C : i0 p,F, Khi diQn 6p gif,,a hai b6n tir tri /o V rhi ddng di$n triong mlclt c6 cui':rg i0 30 inA. Cuimg ci$ cgc ci4i c*a ddng diQn trong r:rr4ch LiL 4"" 60 mA. 8.40 rnA . O. 50 mzL. B' 35 mA' C$u aa. Hai AOng hd quA iac, dAng h0 ch35' dfng c9 chu ki T :2 s v* ding h5 chqS' sai c6 cir.u ki T' : .2,0A2 s. N6u ddng hd chpy iilng cki24 h chi dOng h0 ch4y sai chi A"23 gi$ 48 pb,frt26,4 giey. , B. 23 gib 49 ph'{n26,4 gidy- {"23 gid -l? P'r,trt 19,4 gt"|Y- CSu 45. Cho phan rme h# nira"r if+iW-+i&b + n+17,6Me2. Cho sd Avogadro Ai., '= 6,*2"':&23 wnl-". lTSne luone to6. ra tu phdn n:ng tr€n khi tong ngp cluqc i gani h6li ld "*'"';.?"i0,.1,Jrt':. " e:+,iq.tgfri,"^ c. 8, 4.E'.10i0 J' D' 8,48'i0" J' :. C6e 4.d" Mqt v*t 1.:tr6i luqag 50S ig) noi vdi m$t ld xo cd dQ cfng 8S (ld/m). LrAu cbri l4i cria id xo g[u # iiilria, sac ciio vgt c6_ttr0 clao ctqig tr6n ruf;t phiag nim rrgang. Ngud'i taklo vft ra Kroi vitri c6n b5irg mQt do4n 3 cm vd. t*:'air cho no v+7,tax 80 crlr/s. {5y gtatpc lons_ trying g,:trO rn/s2. E'igt ri}rg, vfrl ctri dac dgng clurc i 0 clru kl thi ciu-ng hin. H0 sO r, E s6t gifta- vdi vd na6t phang. ndm ngang ta a. C,*ZS. E- 0,0i. C. 0,C128. r$l0,014. C6n r$7. M4ch daa dgng X.C ciia mdt rn6y tiru v6luicn cd {, bi0n t}d€n tr-r t},4 rr,x{ diln L,6 m.F{; nJ C bi6n ,;ign rt 1,,1 pF d6n +O pe. Ley n2:10; c : 3.10s rws. LVt6y iiAy cd tiie Uit duoc cdc sdng vO 'ca:yiln cd bud'c s6nq fir -"-i.r4i Aen z+C *. Bn48 m d6n 480 rn. C" 96 in d6n 24fi m. D" 48 rir diin 950 m. Cau +g. Trong ihi ngiiiQm r-6ng (Yourrg) v6 giao tl-na 6nh s6ng, t"=i di€ra hi trCIn min c5'v6n s6.ng bis 5. Di tA chuyen ffiafi.T'a X2 tr'r.glTl /u Orn; ial Glen khi dich chuy€n lA A. 1,6 rn. ts" 2,.0 m' 'C, i,E m' T3"2,2rn' CSu dg. MQt m4+h diQn xoay chiCIu gi;rn rn$t diQn trc,'lhu6n m*.c nOi ti#p vdi nt$t tqr ,iiqn" ili.$n 6p d1ir Vao do4n .mpch xa giitrri hiQu dpng li 150 V; cudng d0 qh+y trong rn4ch ad gi6 tri hiOu dgng tri 2 A. Iiiqu Cian # t i4s dUnC giiia hai ban rri.tr) 1,29.o,t . Cdng sud't ti€u tFup cua dopn mqeh ii .{.2{.}0w. ,}. 180W. il.z4frW. S"278V{' CFru SS" Cho e : -1,6.1S-1e {;; a:3.i08 n/s; h.: 6,625.i0-34 Js. MQt 6ng F.crnghen vhf*" tabttc x4 e6 bu6c sdrng n"h6 *at Xe 6.10 -ii in. iJo qua ,1ing nSng cfa eieetron btan rit* catot. FIiOu tiiQn thO gifra anot vd catot 1A e,.20,1wi. ,&. \8,2kN. f: 'tr tl l)if q _ z-)"(t i{ 1/ . s.33,1 kV. Th** ah tf lr'''r ii iq AS ! - r-{ , _Li - 4 ril rL& u,l if .* i::1,:g_:g.:j.=.gi:.13":rc;&:!e** Cf,,: Si" l,fQtitrytci df:rg ndng nins.nang iuo.ng rgiri c'ia no. Liy t6c cQ 6rilt s6rrg trcrg cl,6n kJi0ng li * = 3.i}&vnis. TSc dQ c;.ia rpt xdp xi bang {J" 2.IA7rn/s. &. 2,5.1C8m/s. lr" 2.iCI8n/s. }ts.2,6.107rn/s. Cffu 52. Ccn i$.c tc xo treo thEng i;irng t4i ngi ci, gia Lric trgng trucri g g: irz (*ft), dao dQng di6u "tda ',r6i chu ki T: 0,6 s . ]{6'.r'oi6n ,:i auo e0ng 16 A Ci AO lsn cua"lrrc Oan frOl lsn nhdt cria ld xo lcm gW 4 ,6r: d0 iffii e\ta lm c1a.n tl6i niio nnflr:. Bi0n'd$ ,Ceo d6ng cria con l6c lir ' a n c "rn B. 4,8 crn. C" 6,4 cm. &. 5;4 cm. f1-o T;J UItr. u' i1J v'L *- -) C6u 53. PhSt bi€u nAo sau tlAy ld kh6rrg drlng ki:i ndi vCI md men cl$ng luqng cta v$t rdn quay quaeth rnOt truc cO dinht A. Fcn i,i da ind inen d,lng; lugrrg ii, kg,.;n2ls. E" Ni5,; t3ng cic lge t6c C,;ng lCIri y4t rtn b[ng kJr6r,g thi rnd n^eer d6ng li;cr"rg cttavirt rdn s'-roc L:.^ r^;* ouo uo*?. lds men dgng luong cria r'€i r*r,tlt11vsi v&n 16o g6e c&a ni- B" lv10 men tlQng luqrrg lu0it eilng dflu vd'i viin t6* g6c. Fag,,: 6 c,f 7 TRrjoNG Tt#T Ci{iiYpt t ttisp iiA. Ngr -Tifl TF{iJ E4.I I{OC i-AU +-iZO i 1) . h,Idn r,/6r li ft/X6 dA tqz Cfrw 5i:. Chirn sdng c}:'n sic c6 quoiig dQ /s trilyAn rrrOng g6c vd'i bii mat ciia mQt rn6i trudng h6p thlr cd d4ngbirthai m[t song song UA Aay d, h0 s0 h5p th1r cfa mOi trudng eOi v*i br?c xa nAy id cr. C*dng dQ / cua. chti:r sfng khi i5 ra khci bin ii: a r-r-ed n, i - lot = I^ I l-j eoo d B. 1=Ios'. C6u 55" r1,{0t banh xe cd rnom en *,tj{lytinh 5 kg.*' AAt vOi m$t truc quay cd d!nh. Ednh xe deing d,hrg yOn thi chiu i6c igng ciia. m$'c inomen luc lir 30 it{m. Bo qua mgi lgc cAn. Sau 7A s kE fu khi chiu t6.c dring c*a rs.ofilen luc, dOng nfng qua"y mhbfinb'xe thu dusc la. A.72k5. ts. 120 kJ. . c.36 kJ. tr. 60 k.r. C$.u 5r5" hdQt iftOi tr-,: n*m ilgar\gbdn kint R, iihdi lu+rg Id, c6 th6 quay tu do xung quanh truc.d6i x{rng c*a n6. i'-,fQt sqi d\.y qll*nquanh kh$i tr,; vA dAu tql do cria d6y cd g[n rnQi v$t nhc irh6i iu$ig n, = * " z { Gia- tOc cf:av6j nho ld (g li gia, t6c trong i:rirdng) A.gl/. H,- {J r. t 29/3 A ij ) Gi'j 1/71 ' I { :4 } tuqng quang diQn x6y ra tr"ong t6 bdo qualg diQn, phrit biilu nd.o sau dAy 1.i. sai? u.,av.3 /. .F.i11 00 iller A. Giif nguv€n "'"d"; dg"chiim sdng kich thich vd [;m toal <inng inm cat6t, gihrr,tAn s0 ctsa finh sdng i;ich thicii thi C6ng ni;ng ban dAu crrc dai cli.a €iectron quang diQn gi6m. 8" Ci'ir nguy6r. chriill sdng ki.tYit\ich" th.ay dOi kim. ia4i ii.m cai6i ihi d$ng nE*gban dA''r cuc dai ciiia- 6lec,lron quang diQn'chay.d0i. C. Gift nguy6n t0ri sS ci:a 6lh sii*g irich tiiich. vi. kim loai ii',m ca.t6t, -tdng cu,i:rg ,30 chu:n sdng kich thich thi d6ng n5ng ban ddu. e,;e dai ottz€lectron quang diQn tdng" s. Gifi ngr-ry6n "uorag dq chirm sd.ng kicir thieh r,'d kim lcr?i diurg ldrn rat6t, gihm bud'c sdng cira 6rrh s6ng kfch th{ch ttri d$ng rl6ngls4rL d4u cpc da'i c*.a dlectrcn quang diQr'rLng- C*.er 5S" Trcng quang phO liirXr6, biOt brri"'c.sdng dAi nhAt trong ddy T .airnan 1r* Fa.nm* 16ir luo.t li: lu11 : 122r::r;" hrr: 655,3 nrn vir npng luo.::g ;4r ;hi€t tOi thi6u d0 but electrcn ra khdi ngiry6n tti hici6 iu tr'4-ng ,h5.i"co 'iran \i:21"76.10-te J]'Clic i : 3 "10E m/s; h : 6,625.70-34 Js. Fufc s6ng ;,ge" nttAt cta vach o,ualig ph0 tr*ng d6y )?asen i'i A" 7E4,3 nrir. ts" Sizi-,3 nn: C" 922,5 nrn. S" 854,5 run. C'ffu 59. Trong e6* d4i iu'gng sa.e <1&y: i. iViS in*n lgc; tri. haO men qufn tinh; IIi. M0 inen d$ng lrg"ng, dq.i luong ndc id: dq.l luq,ng v0 hrrfng ? A" :[" i:l" ii. .f" rTr rt t a t. ii" lat ca. Cftw 6*" Chi0u i:r?c :;a diQ;i t'ii cd budc strug &,i325 pm vi,c eatdt ciia tii Ua"o qliang di€n c6 bu6'c song gifi hirn 8,265 y"rxvci c0ng su6.t-uuc xa ii. C,3 iiv. Crrrng dq ddng qrrang diQn bf,c h0a lir 0,32 rnA.If.i6i: 4 suef [r.19:']g LLi la A i fl ozi. B" 0.8 %. ,a i 50/^ T\) i Q a/^ Fage 7 of7 Tn.TIcir\G TFipr crauv€m F4.i E{qc sUFiii4.rvx xrr\ nr"ol sir.tr Aiu{ mm rI{E TFgTt s,qg E{c.sc l\/{#ru vAg Ly -; I-Sn 4 (mgby n8 - 4- Z$if.) {i nn 1/4"1' l- *f ,k i:J 4A& J:} 8,2 nf u' }J.CL -L,?J BE 3"44 r: I :-r !-fJ.sJ nfr f,-F,i'a f 4.i g 1.4n {-t U ISFi L.F t:t in+ iP 5r' -Jt-f -tlr -4 A,€, ,n D A A T'\ }L rr C (- A ?e t) n q 1\ 3 L- D D T\ LJ A A A '\ q. E) n t) e74 A A D 5 IJ T\ 'L A -,J t\ R 6 1J /- n C it A t\ l_,! D T-'T I D T\ A (\ 6] I-i n fJ r ?o f1 D A 0 i] l) {1 A j-\ 39 A f\- A, C Ij f J-a n tt (- &19 l-'! A IL IJ A n fi. r, - L- t2 t) n B A n s B '|/ D 4J r, C U XA p, A D' I 4,4 (- D c t-I U ,D d",5 if U ti, ra _i-* I-J ,D !-J 4* A s- d- Fo L7 n t] A T] C 1$/ i] t] a\ 1* l,tJ B il U E} ,$E {r 1- C D ? {:l A tl l_-l 49 D D D -/-u n ,] 3t_t B h |;, ,:" f'l \,.j -ln i,i {1 L, }J n f) r:t i] 52 l_l i-rr A. l_n 1-:1 n :J \_.i i_) iL l'^ t-) (, F\ ( h- r- i-r n ,C, }L i] B A B C r t-) tl D A -D )() A A ts lt C r' D \- t-, C T'I }} !) .AL8 '-i ! } ri L .J 4J t_! D tJ 1," 't,) x*l 11 . n -trl {o I] L C ?f0 B A 1L 50 irl t? i{gA1' 'i t, -2*\!. l.lti.l]ivl iir:l ii . "'"d"; dg"chiim sdng kich thich vd [;m toal <inng inm cat6t, gihrr,tAn s0 ctsa finh sdng i;ich thicii thi C6ng ni;ng ban dAu crrc dai cli.a €iectron quang. cu,i:rg ,30 chu:n sdng kich thich thi d6ng n5ng ban ddu. e,;e dai ottz€lectron quang diQn tdng" s. Gifi ngr-ry6n "uorag dq chirm sd.ng kicir thieh r,'d kim lcr?i diurg. ro'#"t "* tLa,,g eimg. v4t m dang dirng-y4,.tt"yp. cho vai tQntat' lrrclg thi* g,r'1irng xu*reg du6i t?ri sarr thbi gian Lt = xl:zc s,'ui.t dt",,lg