bai tap trac nghiem vat ly 1o hay tuyet

7/25/2019 Bai Tap Trac Nghiem Vat Ly 1o Hay Tuyet

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NGN HNG CU HI TRCNGHIM KHCH QUAN

PH LC Trang

Tn mn hc.................................................................................................. 3M t tm tt mn hc................................................................................... 4

Bng hai chiu xc nh mc tiu kim tra nh gi..................................... Bng hai chiu xc nh !" #$%ng c&u h'i..................................................... (B) ng&n h*ng c&u h'i trc nghi+m khch ,uan............................................. -/h$0ng -. 1)ng hc ch2t im..................................................................... -/h$0ng . 1)ng #c hc ch2t im............................................................... -(/h$0ng 3. /&n 56ng 7* chu8n )ng c9a 7:t rn......................................... ;/h$0ng 4. /c nh #u:t 5< t........................................................................................ 4-/h$0ng . /0 nhi+t )ng #c hc.................................................................. 4;/h$0ng ;. /h2t rn 7* ch2t #'ng. ? chu8n th.......................................... =Ma tr:n kim tra........................................................................................ =;

Tn mn h@ A:t # - BT TCDTM! mn h" ?" tiEt@ 4Tr#nh $% $&' ()'@ BT TCDTM (* (+m (,( mn h"/h$0ng trFnh 7:t # #GH - gIm ; ch$0ng 4 5*i

Chng 1:1)ng hc ch2t imTrang 5 ch< C?@ nhJng khi ni+m c0 5n 7 chu8n )ngK h+ ,u8 chiEu./c chu8n )ng c0 5n@ chu8n )ng thLng uK thLng 5iEn i uK trNn u 7*cc Oi #$%ng 7:t # c #in ,uan En cc chu8n )ng .

Chng 2"1)ng hc ch2t im.

-


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Trang 5 ch< C?@ HhPH Hh&n t>chK tng h%H #c. Ba nh #u:t Qiut0nQghin cRu 7 cc #c trnhch2t \c tr$ng c9a m^i th .[h< !t ! chu8n th c9a ch2tK nhJng nh #u:t c9a ! chu8n thK nhJng hi+nt$%ng i k_m khi chu8n th.

M (* m- ./0n (h1"

Ch23ng I" 4%ng h h5( $/6m `-3tiEt@ bTK 3 BTK -TCK -[TB*i -@ /hu8n )ng c0.B*i @ /hu8n )ng thLng u.B*i 3@ /hu8n )ng thLng 5iEn i u

B*i 4@ ? r0i t Snh t$0ng "i c9a chu8n )ng. /ng thRc c)ng 7:n t"c.B*i ;@ Thc h*nh@ [h< !t chu8n )ng r0i t S


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B*i @ Tng h%H 7* Hh&n t>ch #c. 1iu ki+n c&n 56ng c9a ch2t im.B*i (@ Ba nh #u:t Qiut0n.B*i -@ bc h2H Sn. 1nh #u:t 7On 7:t h2H Sn.B*i --@ bc ma !t.B*i -@ bc h$Gng t&m.B*i -3@ B*i t #> t$Yng.

Ch23ng " C3 J Ba nh/( $%ng 89 h: `4 tiEt@ 3 bTK - BTB*i (@ Q)i nWng 7* ! 5iEn thin n)i nWng.

B*i 3@ /c ngu8n # c9a nhi+t )ng #c hc.Ch23ng " Ch5( r,n ?& h5( 8ng: O9 h@6n (h6:`( tiEt@ bTK - BTK - TCK - [TC[ Z

B*i 3-@ /h2t rn kEt tinh. /h2t rn 7 nh hFnh.B*i 3@ BiEn SOng c0 c9a 7:t rn.B*i 33@ ? nY 7F nhhi+t c9a 7:t rn.

3


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B*i 34@ /c hi+n t$%ng 5 m\t c9a ch2t #'ng.B*i 3=@ ? chu8n th c9a cc ch2t.B*i 3@ 1) m khng kh>.B*i 3;@ Thc h*nh@ 1< h+ !" cWng 5 m\t c9a ch2t #'ng.

Qg*8 4 thng nWm ;Tr$Yng kh


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chu8n )ng thLng nhanh Sn 7* thLng ch:m Sn.f Dh&n 5i+t $%c ) SiK 7:n t"c 7* t"c )

3 jH Sng f jH Sng thun tu cc cng thRc nhG 7*< gii 5*it:H nh$@ gia t"cK 7:n t"cK ...

4 Dh&n t>ch f Dh&n t>ch m)t 5*i t


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56ngK chu8n )ng tnh tiEn chu8n )ng ,ua8...f QhG cc cng th$c 7 cc Oi #$%ng trn

Ciu f Trng t&m c9a 7:t rnK iu ki+n c&n 56ng 5nK mRc7Jng 7*ng c9a c&n 56ng.f Ciu r khi ni+m@ mmVn #cK ngu #c.

3 jH Sng f jH Sng cc cng thRc mmVnK ,ui tc h%H #c !ch 5*i t


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3 jH Sng jH Sng cc cng thRc c9a cc nh #u:tK Hh$0ngtrFnh trOng thi kh> # t$Yng Y trn 7*< gii 5*i t:H

4 Dh&n t>ch Tp Hh$0ng trFnh trOng thi kh> # t$Yng Hh&n t>ch racc Lng ,u trFnhK cc nh #u:t t$0ng Rng 7Gi cc,]a trFnh.

Ch23ng " C3 J Ba nh/( $%ng 89 h:

TT Mc tiu kim tranh gi

Q)i Sung

- QhG f QhG n)i nWng c9a m)t 7:tK cc cch 5iEn i n)inWngK /c ngu8n # ZK ZZ c9a nhi+t )ng #c hc.

Ciu Q)i nWng gIm nhJng gFq[hi n*< thF kh"i kh> nh:n nhi+tK nh:n cngK tru8n

nhi+tK thc hi+n cng tp ngu8n # ZZCiu n)i Sng c9a ngu8n # ZZ trch Dh&n t>ch 5*i t nh:nK tru8n nhi+tK khi n*< nh:n ha8 thc hi+ncng....

Ch23ng " Ch5( r,n ?& h5( 8ng: O9 h@6n (h6:

TT Mc tiu kim tranh gi

Q)i Sung

- QhG QhG@ ch2t rn kEt tinhK ch2t rn 7 nh hFnhK cc5iEn SOng c9a 7:t rnK 5iu thRc nY S*iK nY kh"iQhG cc cng thRc nhi+t h


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trFnh rIi H Sng 7*< 5*i t


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C


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/. M)t t chu8n )ng tp C* n)i tGi th*nh Hh" CI ch> minh..M)t hNn $%c nPm #n ca< thV< Hh$0ng thLng RngC


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/.r

varv ht

l. == .

.r

varvht == l.

C


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C


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s. M)t 7in nh' $%c th r0i tp trn ca< xu"ng m\t 2t.B. M)t ci #ng chim r0i trnh ,u{ Onh ,u{ O


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C


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C


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C


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. a v-K4 mz!K 7 v mz!.C


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C


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s.u2t hi+n khi 7:t 5 5iEn SOng.B.bun #* #c kP


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. $ng HaraH


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. Hh thu)c 7*< gia t"c trng tr$ngg.C


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/. 5 m\t 7i HhLngK nhn 5i 5n kh 5m 7*


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. .C


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C


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/. 4cm.. cm.C


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B. 4=./. .. (.

CHYNG ;" CN iNG j CHUkVN 4`NG ClA jT RN

Mc nh"C


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s.mmVn #c.B. h%H #c./. trng #c.. Hhn #c.C


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B. Si+n t>ch c9a m\t ch&n E./. gi c9a trng #c.. ) ca< c9a trng t&m 7* Si+n t>ch c9a m\t ch&n E.Cnh tiEn c9a m)t 7:t rn #* chu8n )ng tr c9a trc ,ua8.

C


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B. /h $%c Sdng ch< 7:t rn khng c trc c" nh./. [hng Sdng ch< 7:t n*< c.. dng $%c ch< c 7:t rn c trc c" nh 7* khng c" nh.C


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B. Uu 5ng ang #Wn./. B_ tri trn !ng.. /hu8n )ng c9a cnh cXa ,uanh 5n #.C


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s. chc chnK kin c".B. #*m ch< trc ,ua8 >t 5 5iEn SOng./. #*m ch< ch]ng ,ua8 S S*ng h0n.. Spng ch]ng nhanh khi cn.

Mc !p "#ng:

C


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s. z sma =B. z=K sma = ./. z3 sma = .. z=K3 sma =C


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/. T v 43 `QK Q v 43 `Q.. T v = `QK Q v = `Q.

C


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s. Qz!.B. [g.mz!/. Q.m.. Qmz!.Cnh cng c9a m)t #c #*@s. s v .!.B. s v mgh./. s v .!.c

/. /ng cn.. /ng !u2t.C


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/. chu8n )ng trNn u.. chu8n )ng c


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/. c`

-

-"kmv2 += .

. "kmv2 += .

-

-

C


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s. khng i.B. tWng g2H #n./. tWng g2H 4 #n.. gim #n.

Mc !p "#ng:C


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C

5an u rIi th6 nh7 nh,ng. /0 nWng c9a h+ 7:t tOi 7 tr> #*@s. =.-f.

3(


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B. =.-f./. -.-f.. .-f.C


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s. chu8n )ng khng ngpng.B. chu8n )ng c*ng nhanh thF nhi+t ) c9a 7:t c*ng cach cc Hh&n tX c th 5' ,ua.B. /c Hh&n tX ch t$0ng tc 7Gi nhau khi 7a chOm./. /c Hh&n tX chu8n )ng c*ng nhanh khi nhi+t ) c*ng caqs. Th t>ch.B.[h"i #$%ng./. Qhi+t ) tu8+t "i.. jH !u2t.C xc nhK $%c xc nh 5Yi 5) 5a thng !"@s. H !u2tK th t>chK kh"i #$%ng.B. H !u2tK nhi+t )K th t>ch./. th t>chK kh"i #$%ngK nhi+t ).. H !u2tK nhi+t )K kh"i #$%ng.C


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Ct thY #*s. khi # t$Yng.B. gn #* kh> # t$Yng./. kh> thc.. kh> xi.C c th t>ch khng i thF@

s. jH !u2t kh> khng i.B. ?" Hh&n tX trch tWng t #+ 7Gi nhi+t )./.?" Hh&n tX trch khng i.. ?" Hh&n tX trch gim t #+ nghch 7Gi nhi+t ).C


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B.

-

-

:

1

:

1= .

/.

-

-

:

:

1

1= .

. H A.C


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C Y nhi+t ) ;/ 7* H !u2t -=Da.[hi khng kh> 5 nPn xu"ng cNn cm37* nhi+t ) tWng #n tGi 3;/ thF H !u2tc9a khng kh> trch c9a #$%ng kh> #* @s. - cm3.B. cm3./. 3 cm3.. 4 cm3.C ng tr


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s. U+= ;


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B. -. -4./. 33K44. -4.. 3.-3.C#* @s. .B. -./. -.. .C tr nY ra thchi+n cng ; 8 Hittng #n. 1) 5iEn thin n)i nWng c9a kh> #* @s. .B. 3./. 4.. =.

Mc ph$n t%chC


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. t v = /.C tr nY ra8 Hittng chu8n )ng #*m th t>ch c9a kh> tWng thm K=m3. BiEt H !u2t c9a kh>#* .-Qzm7* c #*@s. -. -.B. .-./. 3.-.. 4.-.

CHYNG " CHcT RN j CHcT LNG q O CHUkVN THV

Mc nh:C


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Cnh c9a ch2t rn kEt tinh #* khng]ng?s. / th c t>nh S h$Gng hnh Lng h$Gng.B. [hng c nhi+t ) nng ch8 xc nh./. / c2u tr]c tinh th.. / nhi+t ) nng ch8 xc nh.Cnh c9a ch2t rn 7 nh hFnh #*s. S h$Gng 7* nng ch8 Y nhi+t ) xc nh.B. Lng h$Gng 7* nng ch8 Y nhi+t ) khng xc nh./. S h$Gng 7* nng ch8 Y nhi+t ) khng xc nh.. Lng h$Gng 7* nng ch8 Y nhi+t ) khng xc nh.Cnh c9a ch2t rn a tinh th #*s. Lng h$Gng 7* nng ch8 Y nhi+t ) xc nh.

B. S h$Gng 7* nng ch8 Y nhi+t ) khng xc nh./. Lng h$Gng 7* nng ch8 Y nhi+t ) khng xc nh.. S h$Gng 7* nng ch8 Y nhi+t ) khng xc nh.C


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. t:::: == Cnh ch2t c9a ch2t #'ng./. t>nh ch2t c9a ch2t #'ng 7* c9a th*nh "ng.B. $ng k>nh trnh tr


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B. Si+n t>ch 5 m\t./. H !u2t 5 m\t ch2t #'ng..kh"i #$%ng c9a ch2t #'ng.C !ang th #'ng #* ! ng$ng t. ? ng$ng t7* 5a8 h0i #un x8 ra Ing thi./. ? 5a8 h0i #* ,u trFnh chu8n tp th #'ng !ang th kh> x8 ra Y c 5n tr


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/. &8 cH c9a cn cu ang chu8n h*ng.. /)t nh*.Cnh $Gt n$Gc.

=


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B. Ai 5Ot khng 5 Sinh $Gt n$Gc./. bc cWng 5 m\t c9a n$Gc ngWn cn khng ch< n$Gc #t ,ua #^ nh' c9a t2m 5Ot.. Ci+n t$%ng ma< Sn ngWn cn khng ch< n$Gc #t ,ua cc #^ trn t2m 5Ot.C


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C ! #*@s. | v .B. | v ; ./. | v .. | v= .

Mc ph$n t%ch"

C


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C #* 3 / 7* ) m t "i #* . Bui tr$aKnhi+t ) khng kh> #* 3 / 7* ) m t "i #* . C'i 7*< 5ui n*< khng kh>chRa nhiu h0i n$Gc h0nq BiEt kh"i #$%ng ring c9a n$Gc Y 3 / #* K gzm37*3 / #* 3K( gzm3.s. Bui !ng.B. Bui tr$a./. B6ng nhau.. [hng xc nh $%c.C

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