DE THI TN SUU TAM

  !"#$% & '()π*π+,-% . '(π),+-% ( '.)π*π+,-%  '.π),+/012%!3"# 456/  +.7)8 ππ +=  ,  +.7).8 ππ +=  ,  +.7)8 ππ +=  ,  +7)8 ππ −=  , 9%:,5;<= 05>?%;!!/05!!/ 05@%;!!/05!A!!/ B! C:$ D "2"E>F/D G"2",F":/ D ,HIJ5/D JKF;/ L#,!MGNG,O4;6!2< P>!/ Q!M"!;O4/Q!,A!;/ Q!!RS!;/Q!J5;/ 05O"J5 @ HJH">T,J<>U"M!V>M3U!/ MWHJH"">TM,N>,J;>M3U!/ @ HJH">T>,J;MX! / @ HJH">TM!VMX!MA!/ Y;,;ZD "[\E2@,],AU/^J,G,"< ZDK Z^ '&__π)`+ ^D ')&__πa+)`+/L#,MGWU ZD /  ZD  . .)&__ +` = π  ZD  . &__  ` ( π   = π +  ÷    ZD  . &__  ` ( π   = π +  ÷    ZD  . &__  ` ( π   = π −  ÷    L#,!MG?> >FM($ Y>FM(5b]""1"!]]#/ cFJMG;"d"O2/ ` 6"FT 6d"O2/ 9,E2NJ, e_  / !D>U59 & \9 . !8,/9 2;" MK  .,/L"<9 & 9 . O!5;J f e 8( "D g'8_0hO;,;ciD>FE!\j!>UF: 6,;#:2F: !"3;/L#,6]\MU@,6E2Ji' &7π)0+ D≈(\&/&_ a8 k/ D≈&\8e/&_ a8 kD≈l\(l/&_ a8 k D≈e\./&_ a8 k #JAJ%KM<l,>#&/L;'_\O3"CE 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G@,O26"F@,E2IN/ G@,O26"F@,E2@,N/ Page & G@,O26"FIE2IN/ L#,!MG> ,!2MUU$ Q@,E2[W:\"W:@,/ @,C"<E2@\@,!2IUGIU/ Q,;W:[\,!2MUU%H,>F<]I/ QIE2[W:\USW:I/ 9.\ %;6,,V: %;@,J/D>#M!"16: %;J &/&\8/ ./ (/  L";,;ciD>FE!\JSE2"[ c>FGMX π7π7. π7&. (π7 !;,;c\i\D,AU/DE2@,/pPr _c \r _i\ r _D JU ;["[\E2]/^Ur _i '.r _c '.r _ QUJKE2 JSUS,;J?$ ,, s7K,, (s7 ,, s7(K,, s7 "05!!J>U56 !!T,1>$ DM</DJ>F4/ D>U!/DM</ #9 k6YLU `t, &__0h/L#,MK / 8,(, &_,/ &,/ DPC:?> 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YN;,;%2ciDU,!%2 MGW' &__ . )&__s+)`+/^Uc'&__ Ω \i' & π 0\D'  &_ . π − )k+/YGUS,;  . π KUSM@]#@yK]D,]D•K$  D•'  &_ . π − )k+\yKD•'  &_ π − )k+\yKD/  D•'  &_ π − )k+\yUKD•'  &_ . π − )k+\yUKD/  L6d,!2!"h!"MX6  "<6,;iD/ IJ5d/  6IH!/UoMW/  Qx3J?;E2<b=  iRJ<>U!JF";E/  QJ562<b%:%R>J5;E/  ^!>C62<bMXM!>C;E/ Page  D i Z ^ c   YC62<bMXC;E/   "#$ &  ( &_ ),+  π =  . &_ ),+ π = /t3E2J12=  Q &  ( = − ,# . _ = /Q .  = ,# &  ( = ,/  Q &  ( = ,# . _ = / Q & _ = # .  = − ,/  L"C,6qE\>@!>H9 & \9 . $'.,,\>@!d>H K,u'.,/t!"C,,MW%;‚ & '_\ƒ,‚ . '_\8ƒ,/`KM" 6"i'&(,,\O!:2E! MK ‚ & ‚ . "J$  eE/(E/ fE/ 8E/  Y3 . &&  J: %; β − ;36</V . &&   >J5M J,  '_\.8/9&._ %;@ @,lJ/Dt  'l\_./&_ .( ;7,J/L#,>J5 <;"8/  _\.8/_\&/ &\.&/ _\.&/   D,;#„/QN,;,!43 !"3] J&__`8_0hMMX>F#!]S;,;ZJ l_`!S;^ MGW ^ 'm_ . )&__s*  π +`/^GW6! S;ZJ$   Z 'l_)&__s* . π +`/  Z 'l_ . )&__sa . π +`/   Z 'l_)&__s*  π +`/  Z 'l_ . )&__sa  π +`/ ! D>#M!"6 .(m  JL & '\8/&_ e I,\6 .(8  JL . 'f\&(/&_ m  I,/0<2"ON << JV .(m   .(8  HRJ2<bJ&_$&/p@U[G,;L"!Y:RJ "<J&$&/L46L"!Y:J$  ./&_ e I,/l/&_ m I,/8/&_ e I,/ l/&_ e I,/ " ;GMAC6,,!2F2U,,@, @,i'. µ k,]/YG,!2MA5 F2U MK  λ '&l,#]@  MXM<=  (lk/(._k/ &f\8k/ &l_k/ # L"O462<b"F\ ,;O4 MK X,">@d _\(fƒ,U_\(eƒ,/0T; 12=  ia,/waH/^a,HNia,/^a,H/  "FF I~  '&\8HMA;E f (  W2<#".;n M@  :        >F  >…,  H  MW  %;  ,, LC    I  6  ,†  ;  n=  D , i 'f\_&-,  '&\__f(-, % '\__&8-& . 'e(&H/  e\8H/e\lH/e\fH/ \8H/  D;,;%2,E2@,i\]DMU"[c,AU/ QN,;,U%243 g#:2iD' . . &  g π /Q2 4c#  USMU"[24/JS24/  F:<]"<,;24/F:"<,;24/  YKE,M@PE,M.,E2!"#  E,M@:FPE,M./  PE,M.:FE,M@/  E,M.:FE,M@/  PE,M. JKE,M@/  L"!!\;3"CE!!d>H‡U3"C   JMXˆJ‚  "2MXJ‰JbMK /  "2MX2<JMK / Page 8  JMXJ‰J‚7./  L#,E!MG12/L"5O$  IM;6<J<"FORJKMK !!>CC/  G O#US@JKNMX_/  U1,RJ3KMK !!>CC/  K;O]FF/  w!MGE2J@W;=  w@W;":Š%@2"!;,@W":‡/  w@W;JIJ56N"/  tUCH>J5<J#@W;@IJ5@WE ;/  w@W;J>U56;E":‡;;EN/   D: %;9 &  >#M!"1L & \: %;9 .   >#M!"1L . /^UL . '.L & /9 >@'L . #$  D:9 & J; &  \:9 . J; & / . D:9 & J; & . \:9 . J; & / .  D:9 & J; &  \:9 . J; & /  D:9 & J; & . \:9 . J; & /  ! L;G,Z^"<,NK >U5K"# &__   π = ),+/"2 "<,NKJ'_,7/nyG,"<,NK Z' e,^'f,/0; dZd^"2U   5F/ J8  / " YN;,;%2ciDU,!%2 !"3 ]>F4MX _`/pP!]S"[c\E2\SM@] JJ5Jr c \r i \r  Q!S,;,_\.8 π K#MGW E2J?/  r c 'r D ar i '&&_ . `/ r c 'r D ar i ' _`/  r c 'r i ar D '&&_ . `/ r c 'r D ar i 'f8 . `/ # 5E2je_, 3/Q5>CC"<E2#( M] )KjJ?+\M<;M]J(,/L;tj: M<J&\8 ,/Q@!jt!"3E2=  &_,/8\.,8,/ f\8,/  DU,,!A MK ‚'8f_, F:w'_\l.8~5U 6,UMO/^U:J5b0'e_•/D'l/l.8/&_ a( |/\H'&\l/&_ a&e D\' (/&_ m ,7/DOM1J$  _\&fe_\&.8_\.8m_\&lZ/  Q oMW\%yE2J= LoMWMX"<6 /  LoMWMX6;JoMW/ Q%@2"[#U]KMX;JoMW/ ^<6oMW]M<6;JoMW/  D;,;%2,c\i\D,AUK@,>!JK>!/ Y!S;,; !"3]JF>F4/tUD@,#F: <]6;,;„  JF@,/JFI/ >F24/IU,!"3;"J;@,/    ,;    %2   )#„+,ciDU, !%2 g'8_0h/^U cJ,MU"[\E2 @,i' & π )0+\"["'&__‹/L]  D'  &_ . π − )k+/ YRc!S;,;ZK, . π K!SG,^\>  !"36cJ$  m8 Ω /&__ Ω / .__ Ω / &8_ Ω / Page l D i\" Z ^ c   ,;,,] D'&_ƒk,@, @,i'&0\J:2 s . '&_/Q@A:CdJ?IJ5";;UJ?IJ5d MX,SIJ5";J  & __  / & (__ / & .__ /  & &__ /  L"<,NKX,\;G,9&\9.!m\.,\N  >U5\HxW &80hJF^U "2 "<,NKJ(_,7\M< >F4>"2/9G,K M<;"<;9&9.J  "m/ &&/   L"O!"#J"2 d\y@,Wd  ur y"  ur JFJF  FF K"2 /  K"2 / ! YG  d%@2""<,5E2KE23,# 6E2@MX  ,2<JMK / ,2<JMK  /  ,2<JbMK /,J‰J,MK / " Y36,  ;# „/i:2 . &_ π ≈ /w"# 6NJ$  %'.8) ( .  π π + +),\+/ %'8) 8 .  π π − +),\+/  %'.8s) _\l .  π − +),\+/%'8) 8 .  π π + +),\+/ # u,!2MUU E2W::&_JE2:G"2@ I#F:4I"<E2I2@,M<  QF24/p@,&__Jp@,&_J/ LI&_J/  pA, >J5__J;6,J%"HxW#>EMX J%@,;&_,/Ld3"CEMX>y%K,;8,HxW" MFQGdJ?@UJ?5,;f,\#J? JKJ !]J<JM<=i:2'&_,7 . /  .\mt/.\_t/ \mt/ (\.t/  DPE> C:W]6!J;O4 uO4;:];!%;MU5:;!/  †2<!P5N"M[,O4;!%;,O4;:]/ uO4J<]MU5!/ uO4J<]MU5:;!/  YE2J12> IUI6,>J5>F4 /  L",>#JF G,,[ IMX(UI/  LUIIR>J6I  L",>€JF .G,,[ MXUI/  YI6,IR>6I/  DPŒ> :;,!2M/  JW/ WJFJ"F/  @,JFJ"F/ "FJ,,E,/  L"6JAJ%NX,\3E2J12= YJKJMXJ>y/L]M</ i JKJF>!>F/ i6MXKMU;6J%/ Page f j .8π ), 7 + )+ _\& .8− π  Q,J;J,6,UMO F!Z'.\.H`/DU, MW%; MK  λ /"<O\@N, U1, JK   '_\`/^K  λ 6MW%; G!"3E2=  _\lfm µ ,/_\8ff µ ,/_\m µ ,/ _\fm µ ,/   L!!O>HqaE\MU'_\8,,\u'.,/t9!!!, !MW%;A MK d_\  µ U_\fl  µ /9MW%;M3A;G,"<,•!E "E,_\f.,J  8// ./ (/ ! JA,,MT>J5,\"H,5E2>F1\>J5 E2>F!>G/QJA2K>#(#M2G"< ",/LGM58,>Gd3"CEMXJ  &8 &. /./  .& &. /  &m &. / " t%yKE2b;=  Lb;JSMW%;>F#:25\  T 6!!C,/  Lb;!]":,;J<>C@/  Lb;M3Ž>F,:],;/  D!O\…ŽE\SM3 "<(___ _ DJS! b;,;/ # DP!MG;=  L;!M3 !"/  ^K 6;JK_\f8  µ /  L;J,!O,:/  L!]J!]4M:6;/ %/340506789:05  M!%H, 8"7 . "mE2K!]6,,H;J ,,HJ,!/9 ,,H;Jd!]\M!%H2G,d 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LI,,HO!CGI / D/ LI,,HO!CG@, / u/ p@,,,HO!CGI / w"#;  ϕ HE2,F@2GO26 ,:G,O2O,"]3\5KO2K/  ϕ 'a8** . )"\+  ϕ '8a* . )"\+  ϕ '8*a . )"\+  ϕ 'a8aa . )"\+ `KJAJ%UI>J5>F24M<#/ LUII YII DI>F24 iI Page e  pP α  β J;;6,aDP!!? FWCM<66/  .  α β =  .  β α =  / α β =  & /  α β = !0J% <J _ '._,\W>'.__t7,yUK ""HxW,G,3/L"HK,N,'.__">CC KM<.,/i:2'&_,7 . /DG6J%"O!"# JJ5J/ .,._, .\8,(m\8,.(,&e,,_, "0JA JJ5JJ & J . /L;,!JA J & *J .  J & aJ . K>€.\f_\e/D>€6!JA J & J . •[ J/  L & '&\m)+L . '.)+ L & '.\.)+L . '.)D L & '.)+L . '&\m) L & '.)+L . '.\.)+ #u6JAJ u2"# u[ uMW uA L4IJ56•'(/&_ a8 |\J;!]J<MX&\8/&_ a( t/ D>€L'.M ( π "#6 ;E2/  _\.) +) + (    π π = +  _\_) +) + (    π π = +  _\_.) +) + (    π π = +  _\) +) + (    π π = + "A >J5, GO2%O&"]X,\>@!d"]O2 U"PE,'&8,/,HO!C6K"]O2Jq'_\_(>, . \J:2'&_,7 . /` TK>€L'&K!]6"PJQJ56"AJ/ &> _\em> &\.> _\fe> ^<6J_\8,\J2J,\PJ?J;/ ny">€<\#,WKJ2%'_\.8,/  8 ( π  . π  l π  8 l π  L"2GxS;J5KE2;!"3G; _ ( .  π ω ϕ + = / piiJi ,/^U"# 6  & J  & m ( ) + l   π ω = +  "#   45  &l ( ) + l    π ω = − / w"#6.J/  . .) +) + (    π ω = −  . .) +) + l    π ω = −  . m) +) + l    π ω = +  . m) +) + (    π ω = + L"<,N":"\M4\,P K"# 8) + .   π π = + / !4"<,NKtU!,NMXSK!NW_\8)+, J/Q O!„:2!/ Z/ uKM<8,U"%/ ^/ YW2</ D/ uKM<8,J;/ u/ u;,3"C%!3KM<8,/ Page &_ [...]... 0,18µ m thi đợng năng ban đầu cực đại của êlectron quang điện bằng 3,2eV ? A 3,7eV B 6,9eV C 3,2eV D 2,6eV Câu 4 Kết ḷn nào sau đây khơng đúng ? Đới với mỗi chất điểm dao đợng cơ điều hòa với tần sớ f thi A vận tớc biến thi n điều hòa với tần sớ f B gia tớc biến thi n điều hòa với tần sớ f C đợng năng biến thi n điều hòa với tần sớ f D thế năng biến thi n... kính quỹ đạo của các êlectron tăng khi: A tăng cường đợ ánh sáng kích thi ch B giảm cường đợ ánh sáng kích thi ch C tăng bước sóng của ánh sáng kích thi ch D giảm bước sóng của ánh sáng kích thi ch Câu 48 Trong mạch dao đợng điện từ tự do, năng lượng điện trường trong tụ điện biến thi n điều hòa với tần sớ góc: 2 1 1 A ω = B ω = C ω = 2LC D ω = LC 2 LC 2LC... chiều biến thi n t̀n hoàn theo thời gian B cường đợ biến thi n điều hoà theo thời gian C chiều biến thi n điều hoà theo thời gian D cường đợ biến thi n theo thời gian Câu 6 Trong mạch chọn sóng của mợt máy thu vơ tún điện, bợ c̣n cảm có đợ tự cảm thay đởi từ 1 mH đến 25 mH Để mạch chỉ bắt được các sóng điện từ có bước sóng từ 120 m đến 1200 m thi bợ tụ... đúng khi nói về sóng? A Những điểm cách nhau mợt bước sóng thi dao đợng cùng pha B Những điểm nằm trên phương trùn sóng và cách nhau mợt sớ ngun lần bước sóng thi dao đợng cùng pha C Những điểm cách nhau nửa bước sóng thi dao đợng ngược pha D Những điểm cách nhau mợt sớ ngun lẻ nửa bước sóng thi dao đợng ngược pha Câu 25: Đợ to của âm thanh được đặc... điện từ C tự cảm D từ trễ Câu 5: Trong thi nghiệm Young về giao thoa ánh sáng, khi dùng ánh sáng có bước sóng 600nm thi đếm được 12 vân sáng trên mợt đoạn của màn ảnh ở bên phải vân sáng trung tâm Nếu dùng ánh sáng có bước sóng 400nm thi sớ vân sáng quan sát được trên đoạn đó là A 24 B 18 C 15 D 10 Câu 6: Trong thi nghiệm Young về giao thoa ánh sáng,... 6V A 2,15mW B 137µW C 513µW D 137mW Câu 28 Trong dao đợng cơ điều hoà lực gây ra dao đợng cho vật: A biến thi n t̀n hoàn nhưng khơng điều hoà B biến thi n cùng tần sớ ,cùng pha so với li đợ C khơng đởi D biến thi n cùng tần sớ nhưng ngược pha với li đợ Câu 29 Trong thi nghiệm giao thoa ánh sáng của Young, hai khe cách nhau 2mm, khoảng cách từ hai khe đến màn quan sát... chiều càng lớn thi nó cản trở càng mạnh C cản trở dòng điện xoay chiều đi qua và tần sớ dòng điện xoay chiều càng nhỏ thi nó cản trở càng mạnh D đợ tự cảm của c̣n dây càng lớn và tần sớ dòng điện xoay chiều càng lớn thi năng lượng tiêu hao trên c̣n dây càng lớn Câu 17 Mợt vật tham gia vào hai dao đợng điều hòa có cùng tần sớ thi Page 20 A chủn... điện và thành phần từ biến thi n vng pha với nhau C Sóng điện từ là sóng ngang D Sóng điện từ mang năng lượng Câu 9 Đặt mợt điện áp xoay chiều có tần sớ f thay đởi vào hai đầu đoạn mạch RLC nới tiếp thi thấy khi f1 = 40 Hz và f2 = 90 Hz thi điện áp hiệu dụng đặt vào điện trở R như nhau Để xảy ra cợng hưởng trong mạch thi tần sớ phải bằng A 130 Hz... tia hờng ngoại là có tác dụng nhiệt, còn tử ngoại thi khơng D tia hờng ngoại dễ quan sát giao thoa hơn tia tử ngoại Câu 56: Mợt photon có năng lượng 1,79 ev bay qua hai ngun tử có mức kích thi ch 1,79 eV, nằm trên cùng phương của photon tới Các ngun tử này có thể ở trạng thái cơ bản hoặc trạng thái kích thi ch Gọi x là sớ photon có thể thu được sau đó,theo... trường thi điện tích trên tụ điện là bao nhiêu? A Q B Q / 3 C Q/2 D Q/ 2 Câu 12: Chiếu ánh sáng vàng vào mặt mợt tấm vật liệu thi có electron bật rA Vật liệu đó phải là: A kim loại B kim loại kiềm C điện mơi D chất hữu cơ Câu 13: Đoạn mạch gờm mợt điện trở nới tiếp với c̣n dây th̀n cảm.Mợt vơn kế (có điện trở rất lớn) mắc giữa hai đầu điện trở thi . Ld&.,U8mm, Page && Ld.,U.ee, Ld&.,Um, # DE KE2J12,;iD/ Z/ ,;>C,,@,i&]D;,;iD/ ^/