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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 princkj;9yw vzadg14v-s g av1i8,vb 2mu-ciple.
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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 is a false sbm(2 8f/wxvf :i jf12xsve rovac(/ em0dgn14tatement?

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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 attribute rt6pm ybf-c1,d 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 ipg6 n.npcimocb c 7z1grd4 cq 3++2yw.s attributed 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 medja-(m 2rff1b yauyl 7b q(qw,)ium 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 = 590vr rkjat--a;fl( 1 -us nm), originally traveling in air, enters a piece of glass (index of 1-(ra ul-vkr-; jas ftrefraction 1.50), its 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 (wavelength = 590 nm), originally tran))5k)he mgyhv7a-fs veling in air, enters a piece of glassg))7-y akfhmnvs5h )e (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 fjgd8a;k6 h+/7l mam+ n reshb+or light spreading as it passes through a narrow slj6re m8;+a+hm 7hgdl/a+bsnk 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 o:7 u fw4b(bss6 tizng5bjects such as buildings, whereas light is not noticeably diffra57(46ssbtgf inu wz :bcted. 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 lightir 9bm50(z imj and dark bands when light passes throug 0zri5(mimbj 9h two or more 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 coherent i,f.ggyp(k xi 8+v. ljif 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 rays striking a screen are in phase dmb)k0p e i0n8-iqsi oqehoo47ra8-,with eac8o),pe-oi 8ka bsi mo7qder i4qnh-0 0h other?

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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. Iffktn( g;g.gmln/oerj n3r,ei5g7v 2( the maximuo;7vgf52rg /.e gnnkentim, g 3jr((l m constructive interference 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,hk/k:z bty6; eg gk(b0okg1tec+xki qf7)n3 travel different paths arriving at point P. If the maximum destructive interference is to occur at point P, the two beams m/ qh1;:0gkego,+bbe ytt76gk3nf k kkx ci)(zust

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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 o my1o**+9e yaejz(wcmn either side of the central bright spot in a double-slit experiment, light from each9meo y*1a ew +jy*mcz( 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 5quh imj6,s;ibright spot in a double-slit experiment, l5q u6hjsi,im;ight 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 side of the central bright spot in a do;, a7 stwyuj4hy72dwbp/t4a tuble-slit experimywpshd 42bw,/ 7a;j 4uatyt7tent, 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 the separatio4dbxz3y0b/c u p)f 86 coad,rsn between the slits decreases, what happens to the distance between thra4/0cxps6yb c 3)fbd, zdu o8e 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 t9aditzb ax l 4nh.o)6/hat the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance /nod4b6 ixt .za)9halbetween 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 t7i cs/fkk1y79 s +hoxbravels 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 experimeen/zwh bn m -ng+ki-p.3b:e 2tnt arrives at a point on the screen one-half wavelength behind thenp+w-/in23tk :g bh.m-zbe ne 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 ob y+dc1h ks b2ar3u4dd2cqf6)zp pk75p tain interference fringes in a double-slit experiment if the separation of the slits is less thandqhp7)p4rc k5sd 3 1y262cb fzpau +dk 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 maxitxy4hilol6(se.2uf bu2c- gb 5 d(h r3ma in a double-slit interference pattern using monochrooux52hr2dhg ye(3 tfi-l(cu46. lb sbmatic 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 lpt09pyeeqc e5 fu ;-5eight into different colft uye ep;9ee5-0 pq5cors 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 allows a rainbo-zkvgfrpq:8r(zixo 7ooz7 6: nf o0w)w 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 uj 17 a/wgb:qhy,*ui aslightly 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 nmfxsqan eov3+)b4(b 0t 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 passing from air 4tb9,bz)my, 1cycfhi to gl,yf czi ,y9b4 b1cmht)ass?

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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 pa(wgl1wj,i: bw ssing from air to j bww(lg1:,iwglass?

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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-b1 fq folyp84 plate with parallel sides, at an angle betwee qblo-f4f8py1 n $0^{\circ}$ 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 sf*. ul1 cuwsb/ource. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she w buslcf/wu1*.ill 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 in* ur xat7 )rp(zmlv+v-creases, what happenu)(x r-atr *7 m+lvvpzs 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 diffracti1a)*1ylga caee-kd l 1on gratings; one has 4000 lines per cm and the other one has 6000 lines per1y1*kcgd eaaa 1e) -ll cm. Make 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 sac4u5h 8o kn:,hbiqxon* o5ma(me 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 ,u5bi:m kn *q5 aoc(xonhh8o4a 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 sli;ex ow,e9 br8e--dc1h (8gicabn cp 2ick 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 inter1f70l4pei)d/xmg j te)rsz u5fere constructively or destructively, depending on their phase difference. One t fd7p1ee4z0 xr /sj))m gl5iuconsequence 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 glass, strikes an air boundary 7 ck5qwhic10h, thereh1 7cwkc0ih5 q is

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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 reflep,u (0w-o d t,-*2lwhqcimsbhcted by a glass surface, there ii -,(u *,dchs h-pb0 ol2wwtqms

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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 much thvy6(4ulhktg4 inner tk4ltgvhuy 6(4han the wavelength 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, what is thq8g 0cddi /3h93blhppe minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride0/dgcb 89h3p3 iqdhlp 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 flst1+ kj 7)osaur9fdp6c ac5h1at glass plate and illuminated from above with monochromatic red light. When viewed from above, 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 pds5f)1o6jk79usrc ap+ac 1 thlate 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 responsibdudu41z*xz4 q s is uq (6gp,hn;yvu)-le for the fact that certain sunglasses can reduce glareu6 qu*(uusz;dqp-s, n1i44yh) dxv gz 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 polarizl0 z*f42sfisr/j/ w wuxy6 wa9ation 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 lightkf5* rhhhz(8 x in a dichroic material like a Pola zhf*h5hr8x(kroid 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 dx9q6* hhdp,g are perpendicular to each other, what is the percentage of the incident lighgh69,p*ddqxh t 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 theuvt 2o n e,a7k;2npg*s surface 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 isnd 233vb ;bdyg*ew k-a 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 diffraction NOwdmii;y2 j2k4T 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 (overhead)ieem2:hc-)t9 y g-;cf:x6d .c bbwnui than it does toward the horizon. This occure 2 c 6h)d-nc:;b gtfey:c-.wxmbiu9is 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 nnvfsz5 *n7o1*nq9o6 aq6uqq 600 nm in a vacuum. It passes into glass, which has an nso76u6qfzn9q5av nn 1* qoq*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 pas.-i bwqps7mpw j:b9sz1e jr- /ses into glass, which has an index of refraction of 1.50. What is the frequency of the light inside ts-7m:1ewjsr /z pqbb9wi-.j phe 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 w3whdigu6 0k pb2.4c9oqm- dznm in a vacuum. It passes into glass, which has an in4z 9puwo0ikm2.dq3 c 6b d-hgwdex 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 *xyo-(jo.d) tvg 4+pk6b ugbur.7ifhin 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 fgsx2hf 5; 2wryo w6*difxpj(+ ound 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 i:gt:ikn; 4pf5.at yj 2 71p;uv ppfphds 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 mm apart. Monochromatic ligh u-rkwe2b2 0jyt falls on these slits, and produces a fifth order interference fringe at an anglruye20jb2w -k e 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 fallo6es 0zy2 qtu* hec9:ps on a double-slit and the third order bright fringe is seen at an angles y2upc*qz0tehe69: o 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 separation between the two slo,cd ;8no,+, yspa hvrits is 0.050 mm and the distance from the ;+cnyo,,ahs,rvo 8pd slits to a 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 wavelengthusps-w j f5q(.s, 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 5(qpjfs.uw s- 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 apartp 7*wt39isygs ui n+51z*d.qxd pno ssw)5ep 7. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart 5y)q.ppnsduspstwi z+oid x37e * gs9nw5*71 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 Ybt(0xvdby4 myp:0:r *8iqmfq oung's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 c r0fv(mpixq* :b y0y8 mdbqt4:m on 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 ricw.lbyo)4-/lw5,8u s cac onm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of abl.-irw 8o5)olw,yc /s uc4crefraction 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) mn6fybw40k6sg, lr/x and red light (wavelength 670 nm) is incident on a t yl0f / k6nm4swg,b6rxhick 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 sis ngn wb(ivmy77ch(syn6j:q 9: v,lx 0ngle slit of width 0.20 mm. What is the angular width of the central d7 nv7g( mns9 0c(ynj6syv i, :bwlxq:hiffraction 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, 77) gryvcps21vkqr6g is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the c7vk67)q2rvrgp s gcy1entral 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 widevo 7zzuqz.n0y; 8e2d7a x6hyr. 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 mmzxhn76 eqau rz7d28vo yzy. ;0 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 incide 8rphgb5gj7; wnt on a slit 0.20 mm wide and the diffraction pattern i8g57;bjwr phg s produced 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;cm,km:7h gru+ yv8z;(cqem5c:fgly nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center ocyhkefu7 :m,cr m5gzm8;: (gylc+v;q f 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 in ;zk3p4a k6oba/hg7n3 jiir /ycident on a slit of width 0.300 mm. An observing screeikzn 7oygakp6 ai3 3rb4/j/h ;n 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 7000 lines per7eno)f 8 u/nrpj* zt2l6pn+uf centimeter, its second order m)87n ep6*nuzuf/f2 +l pjrnot aximum 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 n4 8 )nmtc5syfd)qe) cy 8h-tvthe central maximum and th5) cdyte-yqchms8 v)4nn tf)8 e 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 to;12f*vrj.ih lb;k*u p ev g2chat is 75 mm wide and ruled with 50,000 lines. The second-order maximum is sehp2l;;gkrj2v *c bv.f*e 1uioen 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 experime ve+7:whp bp8xvzvm5 8scm1y..5r hnent, light of 600 nm wavelength produces a first-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 when it passes thrhm.551 vewvpp r8 mv7.:nsyez8 +xb hcough 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 p);hw j/t,(25g akh2i8agft h,qzajuier centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order whe(g;ja hfkt2/ia a) jzh5i qg,wh82u, tn 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 bel m30xzp *thw aa*9c*y a grating. If the grating has 2000 lines per centimeter, at what angle will r0ax* lcew3z*t9ap hm*ed 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. If the first-order max:kfqjk1q ;gl *imum occurq qk;*1gfj lk:s 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 incident normally on a grati4 x 5nn/bhz0mrng. If the xmhrn/ 0 54nbzthird-order maximum of the diffraction 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 .jjmhx x90zka1z 5o1jof wavelength 500 nm is incident normally on a grating. If the third-order z 0xkjzmj xjha.1519omaximum 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 lonbry* 5x fxbhwe-,x s 5mt1/e(ng is separated from another glass plate at one end by a strand of someone's hair (diametbe -1 n(xbyrm,e sxtx/h* 5wf5er 0.010 mm). How far apart 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 refracte..q 8,6jdqia; hw cpxion of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 n;a,jh6p ciwq ed .qx.8m 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 5i0n1rd o) hjuzrq91,a00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident noru ar1z )niqd 9ho0j,1rmally 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 thickne .xcdr;z hp-m(f zm 74h)wirt(ss of a nonreflecting film coating (n = 1.30) on a glaw xct rh).7( mfzhzp( 4r-;dmiss lens (n = 1.50) 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 ofw9) *mksl(lzof iq3gq0-;ftz unpolarized light and the intensity of theok0*;m zqzl9sgi) ( -q flt3wf transmitted light 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 direm)84 fjfyf:haop 9 7otction 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 piecevei6 mtn7-,e pkm/ay- of glass at an angle of py v,m-7eitm -aek/ 6n$57.3^{\circ}$. 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. The tkw d h2 ;70lm/cqex ayfq6;oq0ransmission axes of the polarizecqk/h7 2fl0 0 m6axw;dq;qeyor 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 ed3g7tq:v9u yu3y wg2 reflected in calm water is completely polargtg:vyu q y273d39ewuized?

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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(o a, o/viuk+drk84ypn +w v3z a polarizer 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 between the axes of the po8a +4 pzk( wvvr/,kdyoio+n3ularizer 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 reflecting off a vx7u8;jg a kv*piece of glass of index of refraction k av8;gujx7*v1.48?

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