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习题练习:Physics Unit24: Wave Nature of Light



 作者: admin发布日期: 2022-08-28 11:19   总分: 91分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princip.w+ge /gxnq47f y7ummxh9h g6 le.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following ijyjtxbqigx2 z7 1 a0;t6yt69xhrj( b.s a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is attrfe9jsuo+ p::h ibuted to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is a y(5;wj* s.s61,c ja savlucznttributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters intonar vv+9t+ch * y5hq5vnx:es4 a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enteh *x :kzx/3c vj4p2n(, )owvhwss, m0ah;xptmrs a piece of glass (index of refraction 1.50), its frh;(ks/n4p,,c2wwvopj ahx mm* :xh3tzv )0s x equency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wa/,jc;h tloh4 jvelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50)hhj 4/otl,c j;, its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes thrd4x;g;sf0i0 (4o wp3lxiq eziough a narrow slit 0wpxigelqd i404(o;i xsz; f3?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings,6,nb;n-x4lzo hm1dgkv,m .l q whereas light is not noticeably6.;omb , vlm-n,4nx qhlk1dzg diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands when ligqb(4 ojjz y-g1ki67:iwi1lb oht passes through two or mol 71(:o by4 izgij1 w6okibq-jre narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be cohe gav lg2)8amc5rent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when4t-lqc8o4t agt0 tx(r we say that two light rays striking a screen are in phase with each o4ot8g 4tr0 ctxaltq-( ther?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. Ifwe-8m lp l hmm*,jsutf(j-:)s the maximum constructive interferenljmsf-mtjmh- w8):(up e ,s* lce is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arrivie6yx b).hb1-0 mttpigng at point P. If the bg1-0 yx.ipmht)6bt emaximum destructive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a doud/: zbo3n hd5mh hr.m5nqi ybh/7r8s0ble-slit experimesh8r hh rqnby0ohb/:z.m3 5nmdd/7i5 nt, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a dousux(6qofts:b 1(7x0 h/ pdxhuble-slit experiment, lihd ( s(hf7uqx1sb/ tp0ouxx 6:ght from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on mcan.ne0(z3 zl6-pl d either side of the central bright spot in a double-slit z ed .30lm6apln-cnz(experiment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if them mzb 0fu (z*buay88.k;9xeb fp,eeq) separation between the slits decreases, what eb bf9eemzf;xz. y) 8uq *0uk8abpm,(happens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance bem0dc 4n39 *po*u-rjchwjpju.bug*j( tween adjacent maxima on a remote screen is 1.0 cm. What happens to the diupp cwjj u3*ghn9.mu*dj(0 o-b *jcr4stance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light trav- z6ekv4tr;sw els path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives:.jelw*-y qrzp,nwl5g*s,-im 4 hvr j at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at y:rl jge j4i,*wzwn-, qps* rlm.h5-v that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes ir*c/s:wu vz/a n a double-slit experiment if the separation of the slits is less than the wavelength ofac*:vz /r usw/ the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent )l*n:ulxb6/ khcx:+ , cb- nuwd1 jnaemaxima in a double-slit interference pattern using monochbx/:nw+n cj-1le6 cuxdb)*l,un k:ha romatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white 5z2xfqcz cp8x f gl*0jb.q*(alight into different colors ix0z*j lgzfb*axc q 2 85qfcp.(s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow *zbixyl2k1 n4to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slighvbgbd9- h:kyd7x6gy- tly shorter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is called0,c k jw8b *rgnwgmc(6

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing u-qc2/za;hz2 s4o g/fyk0 ykyfrom air to glaua oh0fk4yz qysk-2y /;/cz2gss?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when +udqvmum0 ,*z,nn j: jpassing from air to glass? u + *zjmdujmv,nq,0:n

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is gzcr;:vf* y:idi5p0b88fzcz incident on a thick glass plate with parallel sides, at an angle b*i:zbdg58pcf0z izc8;: rv y fetween $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a vejxj2vv::rd r+ry distant light source. If she now holds up two fingers, with a very small g vdrjrxvj:2 +:ap between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffr 3.uq haie u wlbn3(08zq2tpl;0zx*zdaction experiment, if the width of the slit increases, what happens to the width of the cenz.n xi tlau2dp(bqw;h0z *z l33e0 qu8tral maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction g94tyj,8opgg l ratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statey, pj9t4g log8ment comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, 2 u6+xb,f zwraqwjhz*fz,6)e the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning th26 *, +,uz frzawj6hfbewxq z)e separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflectqxe:fe-y iu:qjq79 y 0ion and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere cons; ko*:lkmfff +tructively or destructively, depending on their phase difference. On kf+m;ff:k* ole consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glhy8i z,n q-fk26+ cw+:icvbcfass, strikes an air boundary, there i6nficckh, 2wbyiq :-z+8 cv f+s

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is refz h*o5b6xd/r slected by a glass surface, there obh*/ zxr 6ds5is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white lig x*-k d .lfpah0on/gpbbe30 4wht. As the film becomes very much thinner than the wavelength of blue light, 0wnf.pb -pgl*4kx do3a be/0h the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavele. stekfl).*a sn)b ,prngth of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The ind a e pfsrb*,.t)kls).nex of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and we rv(1a kl59 mz8tvq9hn)gy+ox u9q-illuminated from above with monochromatic red light. When viewed from above, concl5rk ) 9no9z e(vtvgu1 amw9y8 q+h-qxentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the facyezxff r 7p0xq,sg (5y(:bk:wt that certain sunglasses can reduce glare from reflected surfaces?(:xx 5 f(s0yqe,pz g7yb:krwf

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarizatio1zbhkjfx y*6 )n is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic mate.s wmy387gy p16utiib rial like a Polaroy81g uy.s6b 73tiwmipid film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each oth2;4hh/ f4xhxiq hmuece+/w9(kh ry2r er, what is the percentage of the incikcem2h uwh/x24 e+ y;4/rhr9fh(q ixh dent light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of aipm(ccpi1n68 lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlighjlfazz8 ig6/ q 498i fxn6b-vl1 4jwact is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffra7 ut8hfd535oprvb 3lu ction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blukggw:, m0f0gje toward the zenith (overhead) than it does toward the horizon. This occurs g0jm gkf,w :g0because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, whiew i73o(pa -rpch has an index of refraction of 1.50. What is the wavelength of the light in the glass? rpeoa3 i(7-wp

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, wh8/uxwbg 28 sga5m:lnd2osm5hnj zk iae . 8q-1ich has an index of refraction of 1.50. .s/wu go:5 a1zimhj2-m8qg85 nkx e slba2nd8 What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a waveleng /h4fck nrji* f73f9lhth of 600 nm in a vacuum. It passes into glass, which has an indej934 fkfhh7if*nc l/rx of refraction of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in cb 8sp0s/ri9 fr/pxjlus ( :-vvacuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is foun57y whtv9pbdd (;l sn3d to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travel p3:- jfkx06kips(ibetp3qn5at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falls on thrz (9 l(3pvfk5h zh:dtese slits, and produces a f9 zt(3dkv(r: ph5hf zlifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third orde-oz8f i ue5/ssr bright fringe iso5-z /i fes8us seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experimen hb(yb9. b(rpzt, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen i(b rzb.yb hp9(s 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, an 3wx 53hy:g;djnhrb .5ub9zgxd two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum 5yn:9 5rb3gzdhxw3gub. hj;x on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelengt 796j p*z;nt4ib(dgm(axrpzas,qz8 sdw4 lr3h 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart93srdt,d(4a s6xzi;8*npbqzwr pmgl4az j (7 are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setup tvw isszjm0 :p/ n*cx-.hat has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double i.m j-sp/xn0cv: zs*w slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm,n/lu0oejf3 /f strikes a plain piece of glass at an angle of incidence /o/3 0fljn feuof 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (wea 0+c1 s(xtld**umukavelength 67+d0lx1e*suackt( * m u0 nm) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slidv huxqeh 878w.mo (3ft of width 0.20 mm. What is the angular width of the central diffraction peakx8f7ouwh 8mqeh d(3v .?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminate ,x:k s4rjar,bd by light of 550 nm wavelength. What is the angular separation ber xa:rj, 4k,bstween the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 mm w9zheasbic9a, 4 )t 0nuide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mh9tc4ase)n 9auib z0 ,m from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a :t wx f,qtr9bgg s75)iv ,b,qislit 0.20 mm wide and the diffraction pattern is produced on a screen that is iftbwq57,s,,vi tg gx9 r ):qb1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An obse ;5 flhw6)b:iv( wi1ktc n1hggrving screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from gnc; bh gltiifv1(6 :kh5w)w1the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. ;t*i9mntp rz;ef*l:t An observing screen is plac;tf*neilp;trzt m*9 :ed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grati-7y3 fbi1-l j1skatwt;wow 1s ng with 7000 lines per centimeter, its second ordef o 1 -7ts1;awwiw3k1jy- lstbr maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 li9e fa8e4;*ig z a3kj)ewgzaa)nes per cm. The angle between the central maximum and the fourth order maxgaew3zegai)k)jaa* z;9 8fe4imum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light kt (jrt3n38mmi/ we +lis incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-orderjmkl38tn mi3 e(rw+t/ maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experimenur kg j /lbp+h+w v2;yolcitrj+(-9 u2t, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximu2+ kjb/wt+ygv u9 pljrl- +;ur(h2ocim on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centime xunw(dv1r+,poh9 v )hr r u)hp*p4uc(ter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order wu)vp,( x4w+or9h uh pu)p(rv1drc hn* hen the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. h-tz t:2rqpt. If the grating has 2000 lines per centimeter, at what-p t th:t.r2zq angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating:-(7bm- s*lktqr+pp +xayjqtf6f: fjar 4y5f . If the first-order maximum ocjrffarf4:7as*j:b-x tym qq p + 5k-+lft6 y(pcurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incideckdy1 : fvb4q2nt normally on a grating. If the third-order maximum of the diffraction pattern is observe2f c:by1 qdk4vd at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident m,goj2vs69jbd-tjl 8 normally on a grating. If the third-order maximum of the diffraction patte9jtb djosl-g68, 2 vjmrn is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated fromw(l h5j.gfz/k3 y0tol another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when vihfzo0tg(y/.k l5lw j3 ewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refractnc0s/xatmn/a z;n.5u ion of 1.33. What minimum thickness of this bubble will ensure maximum reflectanczunx aa0nm; t5/cn ./se of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is d- c9;xwqou 6scst22kthe minimum thicknessst92q cxu2 -swko6;d c of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film y hbtky2:d4;l coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 k :2lytdhb;y 4nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the intensity of:sv)c.0ipx wn the transmitted ligh:.0sivw )xnpct is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred dih *hh gx,+n awl,1 p/yeq4twu.rection rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an anglg y zakh2gox*x+ x,0e,v6i;im e of v+ eio*xm,gx0agx h i,z 6k2;y$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer cq+ a6 dipjx-gm;:b/w uombination. The transmission axes of the polarizer and aud;/qgpmxw j b +-6i:the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the m3t hcx7lh6*mhrk 30w Moon when its image reflected in calm water is co6*x03wm7m3c thhklr h mpletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an av,.b.s ildv)s(l ck1 nnalyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the anali )ls d1lbkv,(cv .n.syzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum aml4nwa:oy3she..j+ lu 6dqno o5p4 n;nd reflecting off a piece of glass of index of refracti.n;wmu6 l djnlo e5os yo+ap4qh:4 n.3on 1.48?

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