ĐỀ ÔN THI THPT QUỐC GIA (ĐÁP ÁN CHI TIẾT) môn vật lý

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ĐỀ ÔN THI THPT QUỐC GIA (ĐÁP ÁN CHI TIẾT) môn vật lý

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ĐA: ÔN THI THPT QUỐC GIA_ĐỀ 2_NC   !"#!$% A. &'$(!)*+ B. &'$(!)* C. &'$!,  /012 3 D. &'$!,  /012 "4 56)3!)738(!9:;4<=1' <!) 0!)!) /<!)>: ?<!)!) @/A!43!)!2 BCDE*FG/H'$(!, IJ!)*   5 12 33!)A!4(39E *  K @ L π  0*  F @ L π  /*  F L π  ?*  K L π  L6)M8 N:LOO!:1B*P(!)QROST4-3!)!2 1DU!QC<!)O4-N!, IJ"V L4T 0RW5X4T /O4T ?54T Y6)3!)!2 BC8VYZ[.'7A!!\IJ(!)*  KOWY <!)3!)!]IJ(!)* 5 FOWY  0TO /T5O ?T@O R-3!)!2 C85WYZ[^(!)W54!)>(]4_R`> D83!).!) 3!)4) N @O4T 05O4T /RO4T ?5O4T a6)7B*b4<MB*P(!)QOOST4W3!)!2 C<!)OW46 ]>cIJ"V^<IJ"VR4!)>7V RWL4d 0OWRLd /@W54d ?OW@5d X6)A!43!)!2 B1D * @ Y  R π   = π +  ÷   *JV4JV "#.4)"#!8 <\'!4OWA!4!, IJ(!)*F4 a8 0R8 /L8 ?Y8 HD: π π π π π π π π π π π π  + = +      + = ⇒ + = ⇒   ÷  ÷      + = +   = − + =   ≤ ≤ ⇒ ⇒ ⇒   = + =   t , k . .sin t sin t t , k . t , k . , s k ; §k:0 t 1 cã gi¸ trÞ lÇn t , k . , s k ; ; 1 2 1 1 2 2 5 0 11 2 1 6 3 5 1 5 6 6 3 5 0 89 2 6 0 01 0 4 1 2 5 5 0 14 0 4 0 1 2 _6)A!43!)!2 B<=e*C<!)O4W N56]>cIJ"V. !) A!4N;'7ANA!4!\IJ(!)>V@8] >!]IJ(!)>V @  ]> A.5RW54T B.aW@54T C.LWRL4T D.5W_R4T &;E f-IJ!)>V@8]>E* 5 A ± g-IJ!)>V @  ]>E* 5 @A ± f.'7AhIJV'!\ 5 A !] 5 @A V∆ s T R  5 = i j!'QE 5 @A K 5 A Y @ − ⇒   scm t s T_RW5 ≈ ∆ ⇒kD? O.9(H'W4)7!3!)!2 BC<!)(α O MlA#4 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' N BS.sin t , .sin t V ω π ω ω π π π Φ = + ⇒ = − Φ = + = +4 8 4 5X6)!9490b4!94966047]Dk9496b4!xc 8„  47 ]DC=!x(!x3 /W!94960b4!xc 8„ 5 47]DC );4 8(!){;4 lks!xD*#2 (8Ix 3=Nn!z!8 !9490^!(!9490 < =n AV5Om(xn AVS] 7!8 =!x!xD!8 !9 49660(yIx 3=xD  @ π Wn A< =<!9490 ':D#V A.aYm B.ROm C._Om D.XOm &;E f0!8 W49*;#)cE 5O5O 5 5 5 5  RRU RR U P +=⇒= + =  fl$ WN7/W49B„  „ 5 lE F} 6 } 60 g∆ϕπT@ -•;!b⇒ϕπTR⇒ @  @   5 5 RR Z RR Z L L + =⇒= + = ϕ _O @   5O  5 5 5 5 5 5 5 5 5 5 55 =       + ++ + +=+=+=⇒ RR RR RR RR Z U RRIRRP ⇒kD/ 5_6)493!)l/b4 ) 8;4(!){;4l π5  Z4)=!x(!x3  /.83!)<49w O OWY6Z[&I/V / π 5 ‡ 0/ π 5 D‡ // π 5 Ž‡ ?/ π 5 4‡ @O6)49H(b4 )3"#(x{;4Nn!z4)=!x(!x3 ]< ^!x3 =YO‡49 !:C(•YO4S] 4  !:C(• @O4D;!2 ‹!x3 = ;4@O‡ 0;4X‡ /;45Y‡ ?;4Y‡ @S] !8 !949b4 );4 8l47]DC!xc 8„ Ω {  b!x4)2 ( A!x!)Nn!z!xc49(3B!xNn!z' !)~?y b!x#!9D!x4)=!x(!x3 /5O KR ‡^!xJ<=!x!9I {!9W7=!xNM bb=!xC );4 8l4)493!)49( 3!)!x\{3C NV π O KR '!)3B!x{!9VX~&IV A. 0,25 Ω  B. Ω  C.OWY Ω  D.5 Ω  f^47lW„ b!x4)2 E rR I + = ξ  f^47=/ b!x4)2 !xD{!9=E ξ = O U 5 f^47/l493!)E F.πO KR  HL R O5YWO − =⇒ ~ } 6 } } 60 ϕ πT@ F XX OO =⇔ + =⇒== r rRL C I L C UI ξ ξ ⇒kD0 @5.n<9V(n #]W'€3=]!x <!)WQ4 <!)(!x\8H(4]<1'C8V83 !)"48/8(4XOONZ[^3!)"48(8OOOZ[{x4)3 !)D83!)8{x!:3!)D8 ROO 0R5Y /XOO ?OOO ^3!)"48(8wOOOZ[{x4)3!)D8⇒8(4w XOONZ[XOOw{xXOO3!)⇒/H/ @@6)A(N;>DD, C8RO L Z[^3y(C (3C!"#!NJJA#khơngD, % OWLOµ4 0OWLYµ4 /OW@Xµ4 ?OWYYµ4 @L6)Q*9!7(8wO Y Z[.!)@O X 4T0Q*9< €9 0b9 /!7!M ?!7J4 @YS>4XXaWSJ'kQWZ•Z1„ 3wZ1[4Jx42x:,  !xW!j3y] A4N•4J!x"4N], ;A#A4N•4I4A!xJ "4% .b9 0.€9 /.4 = ?.4 J4 @Ri Dz9D*93AI (D% /A70/ANJcD A //AM ?/ANJcD AAD @a.Jx4•K"2W bD!b'Q*9!7W!( Q*94 !M(C(a5O4Q*94 =(C(λ(IN;\YOO44 !]YaY44.<4, Wh"8 Ay4 C" "4( X"4 =&Iλ YOO4 0Y5O4 /YLO4 ?YRO4 &HλC(4 =g&h5"8Ay4 C" "4 ⇒⇒λXO⇒YOO‘XO‘YaY⇒a⇒/H? @X.x:, 3rWNA3r!:] J:D NM49<N]c{3 0!xc AA3r;4 /!)3r!xA3r;4 ?x!)A3r;4 5E/] 8:4)A4N49Q*9(C(λ  λ 5 OWLλ  !)>!8 {!9<1QNMA4#m  m 5 @m  &C9, !xN49λ O .J ‹λ O Tλ   5 0WY /L ?@ @_/n11NMN49RWR5YO K_ dWV>RWR5YO K@L dW "Nn@O X 4T&C9, !xN49!( OW@OOµ4 0OW5_Yµ4 /OW@aYµ4 ?OW5YOµ4 LO&C9, !x!bOW@µ4gOWYµ4/n<1NB!b  W NM 5 /HxQ!$  5 WY   0  OWR 5 / 5 OWR   ?   5  LkC #<€!nWN<1 #\, ’!962, ’!9^ #<€DDnn (C(OWO5R“4lA#RWR5YO K@L dW1WRO K_ /@O X 4TS>:Dnn #VW51- 0W51- /5W1- ?51- 42. Tấm kim loại có A = 6,625.10 − 19 J. Chiếu vào nó một bức xạ X gồm hai ánh sáng đơn sắc có λ 1 = 380 nm và λ 2 = 280 nm. Chọn kết luận sai ? A. không có hiện tượng quang điện xảy ra đối với ánh sáng λ 1 . B. có hiện tượng quang điện xảy ra đối với ánh sáng λ 2 . C. có hiện tượng quang điện xảy ra đối với bức xạ X. D. không có hiện tượng quang điện xảy ra đối với bức xạ X. L@kC #<€!nNJ, ’!93\ >‹xC #<<]D 0;4‹xC #<<]D />‹xCD #<<]D ?V  LLPh¶n øng h¹t nh©n sau: HeHeHLi L 5 @ 5   R @ +→+ . BiÕt m Li = 6,0135u; m H = 1,0073u; m He3 = 3,0096u, m He4 = 4,0015u, 1u = 931,5MeV/c 2 . N¨ng lỵng to¶ ra trong ph¶n øng sau lµ: A. 9,04MeV; B. 12,25MeV; C. 15,25MeV; D. 21,2MeV. LYH¹t nh©n Co RO 5a cã khèi lîng lµ 55,940u. BiÕt khèi lîng cña pr«ton lµ 1,0073u vµ khèi lîng cña n¬tron lµ 1,0087u. N¨ng lîng liªn kÕt riªng cña h¹t nh©n Co RO 5a lµ A. 70,5MeV; B. 70,4MeV; C. 48,9MeV; D. 54,4MeV LRv N;'#!<4XaWY`N:!8 4)AD(*9ID"j AN/ NjAD(*9!(E 5' 0X' /R' ?L' La?y4)Dnn(!)>YWLY61-79" _ L 01 !!Q#<;Q99 "”9αZ9α#1D n(CDCDnn(!)>L61- ^J!)>9WA#N:9J1!IN: #<€VN $S>:MD;Q#V LW55Y61- 0WLY61- /5W5Y61- ?@W5Y61- imFmKm.13!):EF⇒F 54m4N9⇒m@WYaY61-⇒i5W5Y61⇒/H/ LX6)AD(*9!8 (S O 9"v >4WB94)D89"!8  D"jv >4hW9"B9D"jAD(*9!(  O R N  0 O _ N / O L N ? O R N L_.B¾n h¹t anpha α  L 5 He (!)>L61-vµo h¹t nh©n L a N ®øng yªn t !:4)9Dn 9"”0]m • = 4,0015u, m ” = 16,9947u ,m S = 13,9992u , m D = 1,0073u, 1u= 931,5MeV/c 2 , 1u= 1,66055.10 -27 kg.&;€59(y!)>-9nE XW5O R 4T 0YWLO Y 4T /RLO a 4T ?5W@O Y 4T YO6)7!!3!)!2 C<!)(• O 0]{>3"#(ICAV WO58IMA&I• O  RWR   0@W@   /_WR   ?YWR   O 4* O 4* 4 O O 4 O @ 5 @ 5 W  WO5 RWR  T T mg T mg T α α α α α − = − = → = = → = . ĐA: ÔN THI THPT QUỐC GIA_ ĐỀ 2_NC   !"#!$% A 6,625.10 − 19 J. Chi u vào nó một bức xạ X gồm hai ánh sáng đơn sắc có λ 1 = 380 nm và λ 2 = 280 nm. Chọn kết luận sai ? A. không có hiện tượng quang điện xảy ra đối với ánh sáng λ 1 . B. có. với ánh sáng λ 1 . B. có hiện tượng quang điện xảy ra đối với ánh sáng λ 2 . C. có hiện tượng quang điện xảy ra đối với bức xạ X. D. không có hiện tượng quang điện xảy ra đối với bức xạ X. L@kC

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