e&mg phumeg, ffiguqc ahidu... Trong qud lrinh lu0n ludn:[r]
(1)\r.'\. \t,.\:
frt , tl X(iCIm tra tAp tnrng mOn Vft ly 12 eo bfin
Thdi gian 45 phut
C6u 1: Ctrgn phdt bidu &ufuag Tdc dUng ndi bat cria tia hdng ngoai Xh: A" T6c dgng nhi€t B Tdc dgng quang hoc
C6u 2: Chqn phuonrg 5n Eelmg Dao dOng diOn tt trong mach I-C lA qu6 trinh: "&" bidn adi ffrOng tudn hohn cira di0n iich tr0n tu di0n
B bio tohn hi6u di€n the gifra hai bAn cuc tu diOn
C bicn ddi theo hdm sd mfr cria chuydn dQng
E) chuydn ho6 tudn hohn gifra ndng lugng til trudirg vh n6ng tuqrng di€n trutn'rg
Cffu 3: Chqn cAu dalrag"
A" Quang phd lien tuc kh6ng phu thu0c vho nhiOt dQ vh b&n chdt ctra vAt
B" Quang ptr6 lien tuc phu thuQc vho nhiOt d0 cfra v6t n6ng sdng
C Quang phd Hen tuc c{ra m6t v&t phu thuQc vho bf,n chdt ctra vAt
D Quang pnd lien qc phr; thuQc ci nhiOt dO vh bin chflt cira vdt
C&na 4: Vi tri van sdng thi nghiBm giao thoa cira l6ng c x6c dinh bSng c6ng thrfc
sn&o sau d&y?
A1/
4]lo 1\
-2kl,D
a
C6aa 5; Cu&ng
0,C5c0s2000t(A)
A 2000rad/s
R q (zr + l)),D
rt)ta /L -
ZU - ,
dQ Cbng di0n t#c thdi
Tdre so g6c dao dqng crla
B 18,5rad/s
da kl,D {l t, o \-/ o
"2a ,'
trong mACh
mach le c.3x8,5kr2,,
D, x-kfuD'
a
dao dQmg X-C ed d4mg i -D" 2000btrz,
C6u 6: Trong thi nghiQm Young vA giao thoa 6nh sdng, ntlu chi6u vdo hai khe d6ng thoi
hai birc xA i."r :0,6pm vd 1"2 thi vdn sring bfc 4 cfia btc x4 l,2trirng vdi vdn s6ng bqc
cfia birc xa Ir Vay Lzbing :
A Iz:0,45pm 8 Iz:0,5pm C Lz:0,4pm D" Iz:0,55pm
C6u 7: IvIQt mach dao dQng gdm rnQt diQn c6 diQn dung 0,1pF vh mdt cu6n cim c6 hQ sd tu cim lmFI Tdn sd cfia dao dQng di6n $r ri0ng mach sE lh:
A, 1,5.103 Hz W.3,2.103 Hz C" 1,6.104 Hz W.3,z.l}attrz
(2)Cfiu E; Chu ky dao
thfc nlo dudi dAY:
A" r=#
C6u 9: Chgn cau D6mg Hai s6ng cilng tdn sd vh cing phuorg truy€n, duqc gqi li s6ng ket hqtp ndu c6:
a" f,iqu sd pha khOng ddi theo thdi
gian.-B" ctng Uicn aq vi hiQu sd pha khOng ddi theo thdi gian'
C frieo sd pha vh hi6u bien dq kh6ng ddi theo thdi gian'
D, ctng biOn d0 vh Ctng Pha.
C6u n0: Trong rhi nghiQm Young vA giao thoa 6nh sdng, bi€t a:
ngu6n S ph6t ia btlc ia clon s6c c6 )":600nm Kho6ng cdch gitra
C, [ =0,5 nmmr] D [ =0,4'mnxxa
tff tru5lmg , e6e vectd aulMg dq diqm tr-ulfutg ve vectc
B" crln'lg phtlmg, c&mg ehidu"
D" c6 phuong vu0nng gdc v6i mltau"
dong diQrr tt) ru'do mach dao dQng L, C duo c x6c dinh b&i hq
B" T - ZNJTE
2 v&n sdng [i6n teCIp
{,\ r;
D" T -2n Iq'.,
1L
C" J- ,;#
te"CIra g?iem n*a:
A n,Zmamt ffi t,E rnnm C" \,4 rmrxn m" tr,Gxmmt
C&ua [n; T'rong mQt TN I6ng vd giao !hoa rin! tllg, hai khe IAng c6ch 2mrn, hinh
&nh giao rhoa duoc hnlne trJn mIn inh cdch hai khe lm Sfr dgng 6nh s6ng dm sAc c6 UuO""uO*g )., khoing vail Ao c li 0,2, mm Vi tri vAn sdng thrtr ba tcd tU vfln s6rag trung
tam lh
.& 0,6 rnm B 0,5 nlm C' 0,4 mm D" 0'7 mm
C&w B.Z: Fhr{r bidu nho sau day th @ khi n6i vd di€n tt trudng?
,4 Khi di6n truinrg bifln thibn thio thli gian, n6 sinh mQt tt tru&rg xody'
ts" Khi tff tnibng Uidn tfrien ffieo thbi gian, n6 sinh mdt diQn trutrng xody'
C T'& trdrrg o"iy c6 c6c dudnrg srlc tir bao quanh cr{c dubnrg srlc diQn'
D" DiQn t*ollrg io6y th di€n trudng mi cr{c dudng sfc lh nhfrng duttng cong'
C6,ua 13: Trong mQt thf nghiQmr giao thoa 6nh sdng, do e khofrng c6ch tt ven V{ng thft
4 ddn van s6n! mii lO &""Ung dEt pf,f" ddi v6i van s6ng trung t&m lh 2,4 rnm Khoang
vfrn nh
A i = 6,CI nrnnrl B, i = $,0 rmlm
Cfru nfiz Chgm c&ur ffiffirug, T'rcng digm e6im tmg t& nu&m:
A e&mg phumeg, ffiguqc ahidu C ed phusmg nqch rehau g6a 450
C&sn 15: Mach dao dQng diQn tt didu hoh LC c6 chu k! A phU thuQc vio C, khOng phg thuQc vdo I-
B" phg thuQc vio I-, khdng phu thu6c vho C
C phU thu6c vlo ci tr- vi C
D" kh6ng phu thu6c vdo I- vi C'
C&".r 16: T(nh chdt nho sau dfly l<hfiurg ph&i lh dac didm cta tia X?
.& Xuy0n qua tflm chi diy hlLng cm B Huli td bio'
c" cav.u hien tuqng quang diQn D" Lhm ion ho6 khong
(3)D" TrDng phuong vh vudng g6c v6i phuonrg truydir s6ng
:
c6u lE; s6ng di€n til trong ch0n kh6ng c6 tdn s6 f = l50kF{2, bu6c
fid6ta
" .4 ), =1000m m 1, =2000m C )
=2000km
C6u X.9: Trong cdc thi nghi€m sau dAy, thf nghiOm nlo c6 thd
s6ng?
^& Thf nghiQm t6n s6c 6nh s6ng cria ldiu-r<yn
B, Thf nghi0m tdng hgrp 6nh s6ng rring
C Thi nghiQm giao thoa 6nh sdng vdi khe tr-6ng
D Thi nghiBm vd 6nh sdng don s6c
C6u 2S: Nguy6n tic thu s6ng di€n rt dua vho
,& hiOn tugfilg giao thoa s6ng di0n til
ts" hi6n tuong cQng hucrng diOn mach LC C hi6n tuqng h6p thu s6ng di0n rt cria m6i rrlng.
D hi6n tugng bl1c xa s6ng dien tt crja mach dao d6ng h& C6ar 2n: Tia tt} ngoai [<&aOnag c6 tdc dpng nho sau d6y?
Cfiun AT z Chqn c&u dtlrng Trong qud lrinh lu0n ludn:
A tsidn thi€n tudn hohn theo khong gi&il, kh6ng
m" Dao dQng cilng pha '|
C Dao dQng ngqc pha
A" Kfeh rhfch sV'phdt quanlg"
C" Clarers sdmg
Ian truydn s6ng ci0n til, vectcy u vh vectd E
tudn holn theo thdi gian
,l
{'}
s6mg cl}a s6ng diOre
D" l" =n000km,
dilng dd ctc bdc sdng dmh
B" Sinle [f
D" Quang CiQer
kf16 mdrag ela&y e6 raguyCIm tfr
C-&ua 22: I\4ach cleqn s6ng cira mdy rhu vO tuydn di6n gdrn ru diCIn C = B80pF vh cu6n
c6rn {- = 20pF{ tsudc s6ng cti0n tt mh mach thu du<yc lh
A" fu = 5C0m" B fu= 250ma" C" L - n50m:, D" fu - n00m,
CAE! 23: [-ra X dge t+c harag ei{eh nho sau d6y?
A CktCI m+[ eh&ma enectnom ch6rra bam vhc xmqt kim noaa,
B, Chl0u [la ftadmg mgoai vhc nmq[ ]<lm lcal"
C Cho mQ[ eh&m electnom mhanh b6n vhc,mbt kln:r lcai
Xugag I&T"
D' chi6u tia trl ngoai vho kim loai c6 nguyOn trl luong l6nr
96u 24; Trong mQt Tld Iflng vd giao thoa i{nh sdng, hai khe trAng cdch 2mrn, h}nh 6nh giao thoa dgc h,n S trcn men anh cdch hai khe lm Sfr dung?nh s6ng dor sic
"r
U-udc s6ng )', khof,ng van duoc lh 0,2 mm tsu6c s6ng ctra 6nh i6ng d6 ln 4," l = 0,55 pm B" 1, = 0,40 pm C" I = 0,4g pm C 1"
= 0,64 prnn
C6u 25: Chgn cdu fr)nlmg MQt chtm 6nh sdng don sdc, sau khi di qua lang k(nh rhu;f tinh thi:
4" rhibi lQch rnh kh6ng ddi meu B kh6ng bi lQch vh kh6ng ddi meu
c" chi ddi rreu mh khOng bi lech D" v&a bi lerh, vila ddi *[u.
(4)/| ;
: ,
C6ur 25; Ph6t bidu nio sau day li [<hong dring?
A" Tia hdng ngoai c6 tdc dgng nhi0t r0t manh * e B Tia hdng ngoai li s6ng di6n tt c6b6c s6ng l6n hon 0,76 pm C" Tia hdng ngoai c6 tdc dqng lOn mgi kfnh f,nh
D, Tia hdng ngoai c6c vat bi nung n6ng phi{t ra
:
CAu 27: M+"h dao ddng diQn ti} didu hol c6 cdu tao gdm:
A" ngudn dien m6t chidu vh di€n tr& m6c thhnh mach kfn B" ngudn dign mQt chidu vh cuOn cim m6c thlnh m4ch kin C" ngudn diQn mQt chi6u vh tu tii0n mic thhnh mach kin D tq di€n vh cuQn cim m6c thinh m4ch kfn
C6ts 28; Fhr{t bidu nho sau dAy vd tinh chdt cira s6ng di€n tt lh B<finorag dring?
.4 S6ng diQn tt truydn mgi mOi trudng vdt ch6t kd ci chdn khOng
ts S6ng di6n tt c6 thd phin xa, khric xa, giao thoa
C S6ng diOn til llL s6ng dqc, qu6 trinh truydn cdc vdcto E vi E vu6ng g6c v6i vh vr.rdng g6c v6i phong truydn s6ng
D" SSng diQn tt rnang ning luqrrg ,
C&u 29: Fh6t bidu nio sau da)r la B<h&mg dring? A Tia tr} ngoai kh6ng bi thtry tinh htp thu
B Vat c6 nhiQr dO tr€n 30000C phdt tia trl ngoai r6t n-r4nh
C Tia tl? ngoai lh s6ng di6n t& c6 b6c s6ng nh6 hon, b6c s6ng ctra r{nh srdng d6
" D" Tia tt} ngoai c6 t6c dqng nhi€t,
C&u SCI; Dao dQng di€n tft tu cto maeh dao d6ng lh mQt dbng diqn xoay cliidu c6;
A Chu k9'rdt }fu" C F{l6u dlOra E}xd Ydt Xdra"
B" Cufug d+ rdt 16rx
D" T'dn sd ndt l6nx"