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习题练习：Physics Unit24: Wave Nature of Light
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 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 princqs 9wxm2o2di. mxr72i ggt- 9viple.
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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 iwoo6c fz j:i8a 9:kd( tsuit/7s 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 ye(z7(;pdzq bhv fb-+ is attributed 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 attributed tobl2p7k40 q1lad (lkpb

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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 into a medium of different optical densit)oi cn5o)b pe/y,

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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 = 5jz +up8;nybup((7c .b6 :lt ia dre1sv90 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), itci7a( (1ry+6b sn.: uptpl8u vd;jbzes frequency

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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 (wavelepf2vfd.ciy w 7 n rr/ow5(x0a:ngth = 590 nm), originally traveling in air, enters a piece of glafof:r2c5dy n/ (rxap7 .0wiwvss (index of refraction 1.50), 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 5mu n/4riu*pk passes through a narrow kri5n pm/ uu4*slit?

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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, whereas light is v6soasj7 9a wv;1l zp8not noticeably diffrao6 19avv wl87 j;sszpacted. 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 resyf)vtl0aeh /: ponsible for alternating light and dark bands when light passes through two or more narrow slitvy fth)al:e /0s?

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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 coherent if ;h p2a/tki9eh 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 when we say that two light: nsne;54g nqbows (r .5wn8dk rays striking a screen are in phase with each 4no8qr; :dns( w55bgws nkn.eother?

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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 pathslv f9i8ddbp;v- e7w9q arriving at point P. If the maximum constructive intp7e8-wvqlv 9ib ;9fdderference 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 arrivvr0 -hi8t:gj qing at point P. If the maximum destructive interference is to occur at point P, the two r- igt0jh: vq8beams 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 s2)w.* +lsce7*j c.ysyfmu p zvide of the central bright spot in a double-slit experiment, lig+ fjv yc.p7*cz2ym.se)*wl su ht 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 t usc z35dh;2/ ;fjdhga double-slit experiment, light from each opening 3cdhftgjh;/ s ;2dzu5arrives

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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 either ; smz4 azmryw:8 6ru)gside of the central bright spot in a double-slit experiment, light fuywr 6m8 4zz):g ;asmrrom

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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 sl,,h og4qchtc/fdam9.m/ xmqe.08k rlawn 7o;it experiment, if the separation between the slits decreases, what happens to the distance between the interference ftd qkwagmx a/c8h om /7e.,94nq0,; o.mfclrh ringes?

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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 that6mob9tlzeq3:f)lt 7(3y teps the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when yfs t p:36e( o39te7)qlmblztthe 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 travelsg: hio dg6/gy2 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 z3ub6yc6s5p:rt 87lnwkav 4 aarrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that p34v66auy:8sbzn5 lwt k rc7a 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 fringeh8x;/lht *q8 lrxkg t )m1bmc6s in a double-slit experiment if the separation of the sx/*t k6tx 8lhl 8g)mhqm1 rbc;lits is less than the wavelength of 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 max.1+m6 jocp wpjd0fs(nima in a double-slit interference pattern using monochromaticd p (6j+ofwpms0c1n.j 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 li avca2fqc x/65ght into different co5cqcvax 6 /a2flors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allo7me7ygrv mcirr+d3y,5q .w 1fws a rainbow to 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 slightly shorter than 400 nm is ck;e u3ftyqa70t) vtvk/ ki2g7alled

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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 ttrdj rnuntss7, 5/dha p* b6g9g7 -c:whan 750 nm is called

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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 passingiho 45+t.et1 - cnvb: r-tsodg from air to glav1bstgeh -i -5c4 d+tno:tr.oss?

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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 passing from airphl47/bm ( fpr to glass4(/p7hplrm fb?

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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 incident on a thick glkcoc6:u l) zvffzn /.*ass plate with parallel sides, at an angle betweeno) l*uc/nc kvfz:.z 6f $0^{\circ}$ 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 very distant light source. If she now holds up l3k zxkk-xcj lk);8f7a;o fa id :o/c.two fingers, with a very small gap between them, and looks at the)fj 8/:ik.7xaccok-zl;adfl;xk 3ok 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 diffraction experiment, if the width of the slit increases dg5 wz83*da7i8vsvl af+rf 2ve;kxu9 , what happens af g2d8;5ewf9li83*axukvvdr7 + vsz to the width of the central 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 gratings; 9jg laol;o3y 7one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing o3yl;aj9g 7ol 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 hwox ybw- a,nr ah+3/z33-)eq7guwd ogratings with the same slit separation, 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 sta7gyxowzh uq3w+n-,) a-o/hb e wad33rtement concerning the 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 oili8k jh ,d8j.6d zxcz0s slick are caused by reflection 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 intelm+gik: t b1lk2igk2 rn1) ra ofm79c+rfere constructively or destructively, dependinfkoba2ti+gr9nkm1kcl+ r:2 l1) gm 7ig on their phase difference. One 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 trav i cyq9x0koe0lsr+(gs; p 1,zeeling in glass, strikes an air boundary, there ,0 qg;(s1rs e9+ epyik0zocxlis

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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, wr , ,5jlm2ytj;e :(nbmkolfr + gjdr*;lbq26 is reflected by a glass surface, therlj*,m 5t: eq,n djylo;r(wl22 m6k j ;gfr+brbe is

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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 light. As the film becomes very 2k0crqtdbj - sq19l)m much thinner than the wavel)dc-qt29 jsqr0lb1kmength of blue light, 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 wavelength of light in magnesium fluoride, ()ps+v0( nhi eyqdu rw/dk1nr/) f7wx what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting kv1)exu(f (w)dns0wd ynrr7/pq/ +ih for that wavelength? (The index 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 illuminated from above witiu2tu5j dw66 drimw8 ;h monochromatic red light. When viewed from above, concentric bands of red and darwrti 5dij u6w; 62mu8dk 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 forw24xe gw6q;p f the fact that certain sunglasses can reduce glare 4 fpqxww6g2;e from reflected surfaces?

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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 polarization is defytf1 g-ha95nyvca;bcmu- dq*wk6jo9/ vu u70ined 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 ma)b )olr:4m ba2zi1xbgterial like a Polaroid fixla12bb)m gzri :o4)blm?

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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 Polvkm d))n2d lk5aroid films are perpendicular to each other, w5 2mdknl))vkd hat is the percentage of the incident 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 su 7*i95mq0mu17nq whjb i/sr cgrface of a 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 sunlight is greatesywtugtj2hn y*l tn1ntk8; 0,+t 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 foll:k;f)h:ecie-o wuc 0 bowing is diffraction 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 blue toward the z* 6zc+vwj. hrvkb bmd:biq3s:h:g6 3ienith (overhead) than it does towar sb+h3: zvb*j:3ii b:mwk 6 qvgd.hrc6d the horizon. This occurs because

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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 zsx1 l gpy102svacuum. It passes into glass, which has an21xsplyzsg 10 index of refraction of 1.50. What is the wavelength of the light in the glass?

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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 n)wj y3d0/ fkhvm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the0h3 ywvdj) k/f 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 wavelength of 600 nm in a vacuhk 6bs ;+ *ch08cjondvklw16b um. It passes into glass, which has an index of refraction of 1.50. What is the speed os+b0 wb ;16h*ccol68hkvkndj f 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 o.11pghgvaos)9 reuc89 w*zq vacuum 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 found toa) 9en7.v +dz1nnnowj 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 n8i-kqqogie* -m in air is found to travel at $1.96 \times 10^8 \; m/s$ 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+/ 7xvj*azz af mm apart. Monochromatic light falls on these slits, and produces a/aa 7jv zxf*z+ fifth 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 ax 2t7t.xa 1/woo, ndmnm falls on a double-slit and the third order bright fringe is seen at awt,o/a t7x. x nd21oman 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 experigxro(,8h6xv3 /ec keiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacin8i(x ohe , c3kxgvre6/g 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, i/yq2mn :n/x mand two wavelengths, 750 nm and 9mx:2/ qy/mnn i00 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum 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. Monochromatip.(0rwbg 5ygac light of wavelength 634 nm falls on the sa .gb5w0( pgyrlits. If there is a screen 6.0 m away, how far apart 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 inc07-+zmjhmp5 5xrkptbbjo 8p;x n7 lp8ident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm onn bptx; 7m-8lbrm 7p p50xj5ohz+jp8 k a screen 1.20 m from the double 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, x;tla b b/eg2p/1 3+ymigt, nlstrikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at1y3tp e;2lt, x/aggmb/n bi +l 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 /5 +dsw5a tvuvlight (wavelength 480 nm) and red light (wavelength 670 nm)5+uvds/v 5atw 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 slit of width 0.20 mm. What is the angular warus8 j u7vxsy3db8;3 idth of bx;av8 7u 8d33yujs srthe central diffraction peak?

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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 illuminated by light of 5m3pcw1pfk,ds dvrc1:lmk/3650 nm wavelength. What is the angular separation between the first two m33wp6p1:1ckml r d/vc,smkf dinima 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 incs6kld5 9 *ufqksco4o nt.o 6,dident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be f ud 6 l6,dk*594k .tscoqsono1.7 mm 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 slit 0.20 mm wide and the difv x r-9ax81x1yf1; ixp 9jhhmafraction pattern is producefv;-xpxx91h aym j1ax981hri d on a screen that is 1.5 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 id 5u gjabbqih)q5,+; cs3a)cgncident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position oja basc+h qcug3q;5 i g,)5b)df the first order dark fringe from the 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 0.30y3 h*x wjaa:a60 mm. An observina3awx 6* y:hajg screen is placed 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 grating with 70-1zzn : dzgq*x*pd s:i00 lines per centimeter, its second order maz*q:z 1 gn:xzdids*p -ximum 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 lines per cm. The angle between the central 498r *at6z 4 a n kcqqd*x3-ns9qljcsimaximum and the fourth order maximum9cs9c 43qqr8qa dnz* t4nljax-*ks i6 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 is incident on a graticc k-4ukw:12pfzz /;zrc)kc :n .rb ywng that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is-c w:kz;k/)kc2zcn 1f:b c4r w.zryup 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 experiment, light of 60lf*ir6 (f4uh d0 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a dishl 6i f4*rd(futant 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 centimeter ruled on it3.p(z)zy od ,fuh9uhg. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550gdh,fuph 3 . z9oy)uz( 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 sp7zyfx fkz )z8,ectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm)8zy ,z7f xzkf) 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. If the first-orde5 0*pd lh):ogte4p twer maximum occurs at4p elp5w*0t:theo )d g $20.5^{\circ}$, 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 incident normally on a grating. I mt ny/ tzmore.7yz/*:f the third-order maximum of the diffractizmyzt :/7morty. n/e*on pattern is observed 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 normally on a grating. qhj9t. 0n hka3If the third-order jqh0h.n9k3at maximum of the diffraction pattern 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 from another glass plate at onl x-qvt wx . :;r5vahat:6o80qb yl3que end by a strand of someone's hair (diameter 0.010 mm). How far ap6 y83lxo:- vxh.qtb0l qru tq5;aw v:aart are the adjacent interference bands when viewed 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 3mrfze(ev9wk( tv oa p273z+t refraction of 1.33. What minimum thickness of this bubblevzpaot t7 zmewf2k 9r(e3+v(3 will ensure maximum reflectance 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 illuminatij/ 0f3rhe uha q,:kc7es a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is inciu 7/k ihfhc:qj3 0a,erdent 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 tnue 8.x*pkdz ss2(+pa nonreflecting film coating (n = 1.30) on a glass lens (n = 1.s* psdtuk+2 ex(z.p8 n50) for wavelength 500 nm?

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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 t. *j q fafn)llioq13mf (xa:5nhe intensity of the transmitted light i a :f5nq jqnxm3(l.f)1l*aifos 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 direction rota)tsg,uoi gm9 /ted $30^{\circ}$ 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 pjl m3ted 3v-po 1y2r/ecc1(lfiece of glass at an angle of c-f1td 2pejm3cl1/ vy3ol er($57.3^{\circ}$. 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 combination. y7mned c0 +zvf9,g r+ +nhmo3bThe transmission axes of thhf0 +z ebr c3mndv+o ,7g+nm9ye polarizer and 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 Moon when its image reflec)kbewn6.7vjd 4efb bf2n:( z jted in calm water is completely pola d(v 64.7f2 jnbbjnfbeez) :kwrized?

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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 analyzer. In th6 zr1b+ r(ig.zq7cm 4: cfc(stva.e miis process, the intensity of the light traq ecz (t76.:gmm4i br1z+ rcvfia(sc .nsmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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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 and reflecticll9s5 cy 2d yf8tyzocl/n)(-ng off a piece of glass of index of refracz-(cyy cy)o c5dl89f/ nslt l2tion 1.48?

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