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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: 游客未登录  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 principdla , -rsj/v-t/d qt6xle.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followin-axapj-s( c b4g is 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 attributedusy8+d.) cpr5s zoa a8 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 attributedt:ouvl, h lp:9 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 into a +m s -nyr.*ohqmedium 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),vahvz8yyd (i9(r+ o8vae1rt 0 originally traveling in air, enters a piece of glass (index of refraction 1.50), its frequencyov0 aea+hr9v 88v t(1yyzir d(

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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 (wavelength = 590 nm), originally f8xv 8jov ;(o72dcaqztraveling in air, enters a piece of glass (index of 8o2;7qjdf8c(v x zvaorefraction 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 focjrgp;0glnxa iv.,gv(3 p :k4 53lf qir light spreading as it passes through a narrow slrpg;n 4v gxil, p(35vkf.ijc 0ql a3g:it?

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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 buildi tlru;j2 m7g)wngs, whereas light is not noticeably diffracted.2jg;7mw rl )ut 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 responsibl q,tyvuw:42hn qat63 ce for alternating light and dark bands when light passes through two or more narrow sn t,4whvcq 26u:ytq3alits?

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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 saiduj n+* tmnd*x7 to be coherent 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 when we say that two lightu*l,y. u+tv fu rays striking a screen are in phase with each other? l+t.*fv uuyu,

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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. If the m +2p/dquz k p,tuq4+ bdmm5:umaximum constructive interference is to occur at point P, the uq+2: tdz+m m/mpqp,u 54bkdutwo 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 arriv7ymnaw zqp gb9*dj vn7h,9 )o(ing at point P. If the maximum destructive interference is to occur an oy7d)9 b wpgq(h*9z,av n7mjt 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 gg7xg bd7mc(7-wava0kp .+ wl in a double-slit experiment, light from ea7p.+w0 d -a7 lw gbgxmcav(gk7ch 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 double-slit2 hvbdt4;b-* s3xzr0sxcrb-c experim *r03 -htd4xbxs z2vr cbsbc-;ent, light 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 either sidea+ qah9a-f +vedq s7u1 of the central bright spot in a double-slit experiment, lighe 9usa+q adh-+afvq71t 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 the separation between the slits decr ;amfl.a pm;cbyw1a4k l74uq( eases, what happens to the distance between the interference frinp.4b;q;ylm fa(7wcl4k 1uam ages?

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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 uejd15+ o ty0kthe distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacen1det 0jo yk+5ut 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 travelsrmx t fc.,) qtbz1,d;b 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 Yo6*m yly24cqpjung's double slit experiment arrives at a point on the screen one-hlyjc46*pqm y2alf wavelength behind the wave from the other slit, which is observed at 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 interferenceb.t qj (md *384+ywsu1vbg,uaqf;u fr fringes in a double-slit experiment if the separation of the slits is less than the wavelengthw avu u. r+ytu4df;gsq8j (*bqfmb13, 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 maxima in a double-slit interference payeam ilo56r6/yos/ k to92m u1ttern usin1oto6i5e kuy l/a /m2sroy9m6 g monochromatic 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 wcd(xb)4 yz4cqrx79gc hy a prism separates white light into different colors isg cczc447yxbq9d(xr )

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allve+*:x* yy dieg1;jyhows 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 tinba lv,byf7)x .6s /ahan 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 7xu+obrhve /; 8wxl5*20 k gsfh50 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 greatest960 g6pjx mpo4j17vgp d dmc,h refraction when passing from air to glass4pojdmx6 6h, 0vppdg7jc 1g9 m?

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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 pde)43.236ebz+ d u:t fonukiu,vigc from air to gla6+duo4 iuef3.d2pz 3v itck,be:)nugss?

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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 glass plate with parallel sidesm9rem w 1;hhe m8n)zi8, at an 8z 1er m8mn)hew9mih;angle between $0^{\circ}$ 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 dta:t9mg6siszl (. m4 nistant light source. If she now holds up two fingers, with a very small gap between them, and a:9zgstm6 t s.4(inlm 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 diffraction experiment, if )05bg/wl bxnd 8iy11dc3 u*wx urg.y ithe width of the slit increases, what happens to the width of the central maxim x0.*8 ygbbydng r1ul/ d13wixciu)w5um 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; one has 4000 line(n83z1c b dk ir*-fph zcyx65(7xyf mqs per cm and the other one has 6000 lines per cm. Ma p r xndh zciy1kf(q*my7c(865fbz3x-ke a statement 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, t5xe. :njq ow- jqnlg/8 (*ik :0jexgmly10f qlhe 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 monochrom0*:xj(/50nml: qg jloq x8ie.yg q f-wjnke1l atic light, make a statement 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 oil slick a-2impgfp90f)lgonrv3 r6 7w+y uzo1yre 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 monochromaticf e;kc 9ok1yg, light waves can interfere constructively or destructively, depending on their phase difference. One coneg;koy ck9f, 1sequence 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, whic::d ex*ater)m h is traveling in glass, strikes an air boundary, there )e r:x:td am*eis

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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,ztp / g8/,c -t.y qhocapt1 ahbg0.2ge is reflected by a glass surface, there iypq/ ph c1./batoct2 .zh8gagge t,-0s

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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 ligzzlmlv,5bd91 jxl4x( ht. As the film becomes very much thinner than the wavelength of blue lighj4zx b,1 d5zx9l(vlmlt, 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 magnesium6o)9wsat .l/cci. n f4kkbi/w fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass 4 f/lii/ostnc6bk)w9kaw. c. lens to make it non-reflecting 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 glasstulf .k7:9pghf6l ham ho0fcl5- *ne( plate and illuminated from above with monochromatic red light. When viewed from abov6 hc0f*5pal7 :g9fkfhehmnt lu(o.l-e, concentric 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 fact that certain sunjoo*d. vsojn+iwz;d7qa d;+ f+g0 3qn+a1 kynglasses can reduce glare from reflected surfa7q+;+dkqnnv n.+d oaiogjz fda * wj 3o;0s+y1ces?

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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 dtg+m09k+6ez jum t i1xefined 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 lighnvd iqo37 6o0ut in a dichroic material like a Polaron6iuvoqod3 7 0id 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 eacvh5dxp.:. p sjh other, what.jhv5xpp.sd : 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 surface of a v*6 mx :a,xtvhlake

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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 grr0rtr)i:86hbb:); our la3 e0 xyayfnly)gy2eatest 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 diffrac 5q f nt5zfv,c,jcz6/ftion 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 zenith (ove g7ly 3ur,mh, u.k64i;jqtg kkrhead) than it does toward thu,6q.h;i4 ru kg,mljgt7kky 3 e 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 wavelengel o0v k(rp9 8n za-mi(-x1 xxt+m2ieith of 600 nm in a vacuum. It passes into glass, which has an ixvn - p(e0xi+m (-8o9aelmit2x kr1z 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 nm in a vacuum. It passes into glass, which has a9c9bmdaqt2vh7 ob j: 9n index of refraction of 1.50. Wh9t:bodv9qj c2 b97mhaat 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 wavelength ofz +k2yk1na 7gmxxau0* 600 nm in a vacuum. It passes into glass, which has an index of refraazx 02yx g+1au*k7kn mction 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 vacuum is foup7.s+geh7r pmnd 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 n4f cbna 8o(i4*,n/o g y+0(z)wksxfbmhrjk 2w m in air is found 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 at z 2nsu04dj3pta-d9be $1.96 \times 10^8 \; m/s$ 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 kf2 ( , o2la/4fglezekzs ax(1light falls on these slits, and produces a fifth order interference fringe at an angle sx l/g(2 kkee z4f(a1zal o,2fof $32.3^{\circ}$. 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 ju) d2p .cia t;v7vdzu2, jc9ow -xm1eorder bright fringe is s v,pm.;9ua2td eio 21)cxdu7-jc wz vjeen 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 experiment, if the separatior ieu:56hlz2bo 6*ih.h vwks9n between the two slits is 0.050 mm and the distance from the slits to a2e6h*:b 6vz ikhi h.row ls5u9 screen is 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, and two waisz: n (phyg sw*fqq/ -x;i93(lat1nyvelengths, 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 on the screen will a bright fringe from one pattern first coincides(sangp1 qwynitl;:y9f 3z qi/* (h-x 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. Monocysmtkzr 0,t r y (,xqulx s69hc(qy5q-q,o9;uhromatic light of wavelength 634 nm falls on the ,-om,xh,9 xz(qtru5t 0yuyqks c y6qs(9l;rqslits. 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 incident on a Young's doubrfru5y , dfa:pu19j;ele slit setup that 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 slit. What is the separati9jeu1 yf u,f5rpd;a: ron 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 wavel0cit8q1x x sx8+a8-u: xxw bi xs6k9ccengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.48 xxkcxxc:i6-u xti8wx+8cbs01s q9a830 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 bft g e*7d9kf si4m4g teu01zu)9zg3a (wavelength 480 nm) and red light (wavelength 670 et f7e*i3zg0mbdat1g)4u9 s f 49ugkznm) 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 angbnbdh6 6we ,zm9k)f(a ular width of ta6behm)6 n f,k9zw b(dhe 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 03d yfobwvc5 x4.4ev l2x/ry mmm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the firs 4oc v/54b mfydwyvre03 lx2.xt 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 bg gz+d)g p6b8nm is incident on a single slit 0.75 mm wide. At what distance from the slit shb+)bg 8 zpggd6ould a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 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 m308egvn1e uv 9oxssu3z.m2c hm wide and the diffraction pattern is produced on a screen that eum z h ovv8s xe1.g9032usn3cis 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 incident on a slit of width 0.300 mm. 6n al+)y 1xenz6fp0n;uyde . eAn observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center a+p f.n dzn)x 6ee6l uey1;0nyof 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. 61olifp/ dw*xaqjq 7,An observing screen is placed 2.00 m from the slit. Find thxd*q6lo1a w ,pjqi /7fe 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 7000 lines pe-hkse u0/z1vsr centimeter, its second order maximum ih1zs/ kesv-u0 s 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 p+yk or4m0euv6- wo(3blo ivq ;er cm. The angle between the central maximumviu3y6ml-kbeo 4 ;wv qor+o0( and the fourth order maximum 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 grating that is 75 mmzxkv:5t . ikafv */4fz wide and ruled with 50,000 lines. The 5 4/kztxfi vz k*:.vfasecond-order 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 experiment, light of 600 nm wavelength produces a fi )m03li 97(t uql*lnbrt m:mpzrst-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum w7) ml:mq9b plmi ztu *l30rtn(hen 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 it. What i86wu;smeb y woo11f ,is the angular separation between the second and the third orders on the same si i;f6 ou e18,wo1msbywde of the central order when 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 mzrtjd 6/5jk, a grating. If the grating has 2000 lines per centimeter, at what angle will rzk j/tr ,d6j5med 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 calibrate92aj acn4h,tg(vun l * a grating. If the first-order maximum occurs jt a,c n*42anl v(9ghuat $20.5^{\circ}$, 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 grozj 7trzt 8neo73l61yating. If the third-order maximum of the diffractiot7z 7zt onle6jry 318on 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 in3s0;/ ymfsfbs cident normally on a grating. If the third-order maxis 3s0/ ;fsfbymmum 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 mc /c(z4 /rtb/i1o (bs5iuiz manother glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are thezrb5(u s/4 iobt/1 m icc(/zmi 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 refraction of 1.33. What minimum xmonqhq8dlkn2dw 5u+ ;tvm ,(:ft ,l2thickness of this bubble w, 5 wq2ktl+hd;v:x( ond nfmlm,28tuqill 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 illuminates a 1aky2/1ww81 tdck.jh w) i gzfsoap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on fj1/wkgw1tay 8i .c)21h k wzdit?

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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 nonxe--j/9qk yjn zhsno* ,jd7 8ireflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wae/-h7ks n,dj9nxoq 8 jzjyi- *velength 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 unpol 3z2hbgndb,.mi 4+uk larized light and the intensity of the transmitted b4igb 2khl3 u dn.,+mzlight 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 direction rotated : 0nh f .ay vqn9qpi-+/jv,5tk) sgrfj$30^{\circ}$ 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 angle of 8vg:h2lokl.1ek( hl v h:ekkg2(llo v. v18hl $57.3^{\circ}$. 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.h eq88d2:9by foo e7w96 tlyks The transmission axes of the polarizer and the analyzer ay67 w2odty8q9o l 9e:fbs hek8re 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 reflected in c 5xzet-2)v; p+wkemd zalm water is comd;z2z- )+epv5tm wke xpletely 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 polari4t 5m; jkjc43l4vtvwj zer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle bet4v4wck j l4v5j3tj;t mween 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 travb*z j(qe js.5jeling in vacuum and reflecting off a piesj bqj e.z(5*jce of glass of index of refraction 1.48?

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