Đề thi thử THPT 2015 môn vật lý

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R= 6M B. = R 6M C. =R 6M D. =_ 6M Câu 15:A#(|>/-5$j!T!/%!F./3 / M^C#!/-Y'$6/!/%!>/-5-1#/3 2I!#(|D!/%!H~>/-5 A. -1#/32I!#(| B. !E•98!2I!#(| / C. U>/2I!#(| D. -1#/32I!#(| / Câu 16:G!-&BCN'9C$;<23!#5>"0#4!?'MZ-4#'G!!K-&)./0 !1##sQ!/Hω+M0-h9C$;Dq0!K)$u!T9C$;3< R sQ €23< Q s` €=! H#qj#@!T'G!E#M}<s< R 'G!j#@!H#q A. _• B. Q•+ C. R•+ D. \•+ Câu 17:G!-&N'9C$;<BC2I!#5>"0(#4!?'!K-&$;$23!?'()‚  M }9C$;<!K)$u<  s Q Q  $ ‚ + D A. !H#qj#@$j9C$;!U!-G B. Z&HB!H#q!T'G!9P Q Q C. !H#qj#@!T!?'G!!U!-G D. !H#qj#@$j9C$;9P!H#qj#@$j!#5>"0 Câu 18:Ax!"#sai(K21HU//HK!T#N(CX-N A. }/?!)!O!U!-G/,!!U!Y#!G##9P:49EI!HK B. GO-Y'!U!-GD&#-E-!THK-C9PHB#0j49EI!HK C. E$#$U!!T-/G{B#N#>/-52I9j-5!U!-G D. GO-Y'!U!Y#D&#-E-!THK-C9PHB#0jƒ:49EI!HK Câu 19: BBtrí m5t thí nghi&m dùng con l%c -Jn -Yxác -unh gia tBc trxng trEng. Các sBli&u -o -EXc nhE sau: Lần đo Chiều dài dây treo Chu kỳ dao động Gia tốc trong trường 1 1,2 2,19 2 0,9 1,90 3 1,3 2,29 Kết quả: Gia tBc trxng trEng là A. g = 9,86 m/s2 ± 0,045 m/s2. B. g = 9,79 m/s2 ± 0,0576 m/s2. C. g = 9,76 m/s2 ± 0,056 m/s2. D. g = 9,84 m/s2 ± 0,045 m/s2. Câu 20:,-&)./0!1##sw  !/Hω23/-4#-/G'G!!7!K-&$;#4Mxw3-& )&#>@O-4#-/G'G!„=  234EX3)$u8!=)$u!U!-G23)$u&# >@!T!E-5>F-&$/-/G'G!MZ&8!3/H#-"0H… A.   Q U I U I + = M B. Q Q Q Q   R u i U I + = M C.    U I U I − = M D.  u i U I − = M Câu 21:Ax!"#sai (K21!)!/G*#h  $Qkadz-1RW_ A. ^&-5',$-/-EX!3m"b!*#hM B. o#h',$!C#-C$)-q3*#hq@M C. o#h)$i!)!-†J!K)H#qq3*#h2G!).GM D. o#hj@!(@#5!&-5'3!7@#5!23/34!q#G/!T#N H) Câu 22:/G'G!]N'-/G'G!mBC=-/G'G!N'-&$;<23@A'%! BC=-/G'G!]3!#5>"0MZ-4#'G!!K-&)./0!1##sRQ Q !/Hω+M^C#'%! '6(C&!K-&$;(-)(Y23/-Y'=]D'6(C!7 W =0'6(C9P2 (C!K-&$;2!rID2(C!7a=!-K-&)O-4#!#5>"0&!a  H/2I -&)O-4#-/G'G!]Mh$;!T!#5>"03 A. _ W Ω B. _Ω C. Q W Ω D. aΩ Câu 23:$/b&'cd"21//)H)=(/?!)!O(63R''=(/?!)! i(6-C'3*#H)3Q'M^#NH)>r$/b&'N')H)-JH%!=) H)b'!K9EI!HKλ R s_ '23)H)>!'!K9EI!HKλ Q sa'Mx=^3-Y' $j'3*#H)=P'21bH/2I2"$#"'23!)!2"$#"'4EX3a= ''23QQ ''MB2"H)'3#>!'$j-/G^3 A. \M B. WQM C. RaM D. Q_M Câu 24:5F./!K-5!8(sQ^k'='2,!K(BEX's_=-,$j',93P' =&HB'H)O223',933=RME2$(v2u$b!"9PI2u$b'3F./9um R!'$N?‡=q0sR'kH Q Mo#z-E'32--EX!i!?-C!26!JB!-h!1# 48Q3 A. Q=Q!'M B. Q\=_!'M C. W!'M D. Q!'M Câu 25:A/'G!-&./0!1#N'<==A'%!BCM4HB!T-&)0-h-EX!M}4HB3 ˆ R 23_ˆ R !H#q$/'G!E#239P\‰!H#q!U!-G'3'G!!KY-G-EX!M}ˆsWˆ R D&HB!H#q3 A. =_` B. = W C. =\ D. =a Câu 26: Con lắc lò xo dao động điều hòa theo phương ngang với biên độ A, đúng lúc con lắc đi qua vị trí cách vị trí cân bằng đoạn Q A theo hướng ra xa điểm treo thì người ta giữ cố định một điểm chính giữa của lò xo, sau đó con lắc dao động điều hòa với biên độ A’ bằng A. A B. Q A C. W Q A D. a _ A Câu 27:$/'5')0)-&./0!1#'5=C#B!-5*#0!T$/Sj'a2Fk D4HB!T>F-&./0!1#>/')0)$Si Z[-CaZ[23H#q-&-5&#>@ !T')00-h_H/2I9-4#M^C#C@!SB!-5*#0!T$/j'a2FkOD H#q-&-5&#>@>/')0)$(-K3 A. Q_M B. _ C. Q\M D. 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Q Q D. = Câu 33:5q#(b{N=9)(b',N<s !'3'9PT0MACH#q!TT0 -B2I)H)-v3R=aR=-B2I)H)b'3R=aMAC#'5!r'H)$%‡.6'E'5 H)IH/H/2I$@!!b!Tq#(bM$j'3?-,$r2I@!!b!Tq#(b= bH#q#(b#-EX! A. '52&H)'3#!4#2F!K91$5= !'='3#b';4q#(b B. '5-Y'H)$%P'Gj#-Y'!Tq#(b C. '52&H)'3#!4#2F!K91$5= !'='3#-v;4q#(b D. '52&H)'3#!4#2F!K91$5=_ !'='3#b';4q#(b Câu 34:n*#-&3#N-&$/-K A. '5C93/*#-&-EX!>r3'')0)-& B. SEX',$-EX!9C-h/3953-&S C. *#S-EX!9C-h$U!C3-&S D. '5*#-&$;-EX!!C#H)-Y$;3'5')0)-& Câu 35:$/>/-5-1#F=B!!T2!r!1#2I2B!!T2( A. 2-i9j>EJH9j"' B. 2-i9j212u$b!"9P C. 2-i9j"'H9j>EJ D. 2-i2u$b!"9P$9j Câu 36:N/G23l!K!#b!q3/H#-"0… A. }b!b!1#!q)*#M B. AK(?S/K!q(bM C. }9u&!-E-$/i$EM D. "0-EX!&#8*#-&;1#!qM Câu 37:ZG"'‡!K(BEX'  --80jK.GŠMAx(C#-(K21EI 23-5I!T2B!!)!GH#?8 A. ArEJ=!r!1#=-5I7&u!2I(BEXM B. ArEJ=EX!!1#=-5I7&u!2I(BEXM C. }!rEJ=!1#=-5I7&u!2I(BEXM D. ArEJ=EX!!1#=-5I7&#2I(BEXM Câu 38:AC#98!.G:/G23/'5q'(~'2398!.G-v23/'5q'9)>‹A>-;$G )$#F21-&D A. q'(~'Œ'-&>EJ=A>Œ'-&"'M B. q'(~'Œ'-&>EJ=(BA>2‹$#F21-& C. !?q'-1#Œ'-&>EJM D. !?(B!q-1#(Œ'-&M Câu 39:AC#!r'H)N'9B98!.G-JH%!λ R sW'=λ Q sa'=λ W s_ '=λ _ s ' 23/'5>#>u!Dq0>#>u!)$)H)'3#.@!!K9EI!HKλs Q'M]8!.G 3/-z"0$&$EX*#)*#$j A. A?9B98!.G B. A7!K98!.G λ Q C. λ R =λ W D. λ R =λ W 23λ _ Câu 40:AC#23/-)'J0>$/;)H#qq'5!r'98!.G-JH%!!K9EI!HKQ'M#( -EX!(b!b!-)'J!7)$W2G!*#hEJ82I!)!9EI!HK WQR W λλλ <=< nm M )$u W λ 9P A. a' B. ' C. _ ' D. _' Câu 41:52'-N>/-5-1#F !rEJ=!r4HBM]j-54EX!  R s= Q s Wa „9j-5>/-5hXsQM}C#3/H#-"0-  $_kadz-1RW_ A. Z>/-5342## B. /-5hX2#2I>/-5Q+ C. /-5hX2#2I>/-5R+ D. Z>/-534&!#K!a  Câu 42:6/#0CEX:)H)=D(C#3/H#-"03sai… A. H)3!r'G='VG-1#''5SEX.)!-uM B. A)!-1#B#23!7NG(!#0Y-5M C. B!-5!T!)!@#5!23/'$E!!#0Y-5M D. A)!#0j:=":98!.GHK-&i!b398!.G$!)!M Câu 43:G!>/-5-&iE;N'@-&!K-&>#A23!#5>"0!K-5U!?'=- /G-5M^SEX-&$E$/@-& A. 9Cj-1#F6/2I!#(|Q LC π B. 3'5-GEX9?//3 C. 9Cj#4/36/2I4HB R Q LC π D. 9Cj#4/36/2I4HB R LC π Câu 44:Nthuvn tBc - thi gian cTa m5t vt dao -5ng cJ-i1u hoà được cho nhE hình v~. Phát biYu nào sau -ây là -úng ? A. TGi thi -iYm t2, gia tBc cTa vt có giá tru âm B. TGi thi -iYm t3, li -5cTa vt có giá tru âm C. TGi thi -iYm t1, gia tBc cTa vt có giá tru dEJng D. TGi thi -iYm t4, li -5cTa vt có giá trudEJng Câu 45:ZG"j _ Q Z6+!KSEXj(C3Q\=_6=G" ` W +!KSEXj (C3W=Q6=G"-Jj$ Q R +!KSEXj(C3Q=Q_6MA)!G"30-EX!H% .C6/8US>4-5912OEH# A. -Jj$=j=M B. =j=-Jj$M C. j==-Jj$M D. -Jj$==jM Câu 46:]%G _ Q Z6 !K-5S`=a\623/G" R_ ` ^ -80jD#-EX!'5G$ 23'5G"lM]C?8#SEXR=QR6=G"l!K-5SW6Mq0(B EX!T'VG"b6/-J2u#9PHB(B!TKMK!X9;EI!#0Y-5!TG $23G"l3 A. RW_  M B. R W  M C. RQ  M D. 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