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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 principle.(gj;c7rupfi6j k7vtiv7sh/9
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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 faksd( w cxt n;0l3o5na4lse 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 ligxtac;fx by:2xndn(y- :i dk,8ht 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 utcpg 9 ya2z.6jby 1;klo cxs6f(if5:of light is 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 medium of different optical density,kue5h8lq87c 01 4m(mtvap bma

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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), originallc 5p e7:bvz,rey traveling in air, enters a piece:vz75 pec ,rbe of glass (index of refraction 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 tr4)p(s mjl/0 q9rjier3 bn-q8dzy awm6aveling in air, enters a piece of glass (index of refraction 1.50), its wave 9)6 pir8l bq-0syqr(ewa3n/4jjd zmm length

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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 th8*mg2so t wbj+rough a narrow slgms j 8t*+bow2it?

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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 liuafr3 l6 lfw2vh0c-v 2ght is not noticelvv 2w0h-affl3r6cu 2ably 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 alternatingq.+d/u zpp a4yq (jxi6 light and dark bands when light pas u/d4 6(+pyi.jxzq aqpses through 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 if8:zxn9) kl qs3depcag7k-zy 9 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 scw0qd ff6bao cqa( f.9-reen are in phase wi c0qa9fd. -a6 (bwoffqth each 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. If h.ca*ks k6s.b the maximum constructive i*k.s cas k.bh6nterference 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 inwbk fs*gj+.6pa3cn 02vyr v n-u0 j,paths arriving at point P. If the max ,vcfsbny0p2j g 0j+ -a*ivrn u.3wk6nimum 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 brighv vdimu y3/0fw1e (5w nund7;tt spot in a double-slit experiment, light from each(m3 udf i0wndet vw5v/;yun71 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 spota0ney;eaxwa0z )ff-ysr :d)8 in a double-slit experiment, light from each opening arrivyeaarn-;)wx8)ez :yf0s 0d af es

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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 double-sw vzvzr k)m/5-lit ezzm-v )v5rwk /xperiment, 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 s .noxa6-(umavrp/ oi 9eparation between the slits decreases, what happens to the distance between the interferenc6(/-iaovpamxr. 9uon e 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 between adja6;ivn8) h2e6 vrgma2tg,f xrs cent maxima on a remote screen is 1.0 cm. What happens to the distance betweenv2ge6 ,i g6;mtaxr 2frs)vh8n 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 lswqpwfnly8:o9i6u. 8 si5/rxzhuv 81 ight travels 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 experimoupq peb4kt2q ; cd50:ent arrives at a point on the screen one-half wavelength behind the wave from the other slit, who t5eq42dpb puk ;0q:cich 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 interferenc4p)lcd a cy4 (/:*m frmw)rcude fringes in a double-slit experiment if tc:m 4fdmpac)*y4r ru (/w)cldhe separation of the slits 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 maxima in a double,sgif+qdv,v3yp,ujk, g,: jw -slit interference pattern using mono,vp+ svf,igu,q: ,w3yj gkd, jchromatic 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 expla9j)wm50) ceogd(fc)pfzjf dlcr q5 hw:r:*o6ins why a prism separates white light into different col )mf0qz6l::p o5 fojfh *))grdcj ced(wc95wrors 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 rainbow to form /;iq* kts4to0 pdfd3mis

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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 isva3b tn7uhlh7s ;eqjl9u)n c7rj : 4.o 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 / w k+d94+xpm.kqrlf a7cwg6l v+jnp5 than 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 refrac:dj sv.gzjtc*:fd5) q tion when passing from air to gj) tq.:zc: vd*gd5fjs lass?

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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 undergoey k7 w9hqunq60s the smallest refraction when passing from air to g7yqw h uk960nqlass?

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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 parru084*tx p9j4 b tn y.dttn5qgallel sides, at an angle betwee45 tjn.0 x 4* nt9brg8qutydptn $0^{\circ}$ 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 dista-xx wrd.0d-aw)po 6ownt light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she willwoad-xr- )pww6x.d 0 o 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 increas 9i rw( myo(wx7wud45ues, what happens to the width of the central 4 wu5d9wwryo7u((imxmaximum 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; one12l dngn*g36 .:h8,xh xfxbhvafn :ux has 4000 lines per cm and the other one has 6000 lines per cm. Make x hgh3nxh6a.d gl8:v:2f1n,fbx*xu n 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, the+b byb3 r,g8vid8grc 3 only difference being that one grating has 3 slits and the other 4 s3gvb88i crd +y,gbb r3lits. If both gratings are illuminated with a beam of the same monochromatic 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 are caused by refleb ,txk-f5 tgr6ction 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 constructivelyh vaj y13etu6:7 ijoq, or destructively, depending on their phase difference. :t 71j3heijav y u6qo,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 traveling in glass, strikes an aid, :wyux3q xz5r boundary, there iswx ,u3dzxy q:5

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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 rx xsadlmi,go;q1y6sfs 1 )k1 4eflected by a glass surface, 4 is l mo1kf)y,gssd1axq6x;1there 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 ligh(; v5 :fw.rjzmu 5jdzut. As the film becomes very much thinner than the wave.m5 z jd:u5(u vwjfrz;length 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 wavelength1prfak6u4 mj7 of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a1p4mkr67 jaf u glass 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 glassvb.ouhx8r 17m 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 platmh vx7roub1. 8e 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 sunglasw7aehb .-7h +jnxi3dhrd6x(eses can reduce glare fh-nbe7e aw.j73hxd (6i+hr dxrom 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 directzvd 99*r6ckjj+bp3a vion of polarization 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 pola.i r5 (5i c3s2+7aini nfmaagzrized light in a dichroic material like a Polari 7a(f5a +n.n zciimi2r 5s3gaoid 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 twoy.hi15h :xxjw n4 kk7d Polaroid films are perpendicular to each other, what is the percentage of the incident .7d 54yhji n1xhkk:x wlight 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 th 4eob+gy.( kuie 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 is grprv4 idqz8*y 1eatest 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 NOT exhifxmjxm(3 0:vmbited?

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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 applirk;4h9+ 8 -huvx8l3 aehpw oears to be more blue toward the zenith (overhead) than it dv4hl9 hh8+l3ewk;a-proux 8 ioes toward 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 vacuum. It passes into glass, which s.fmq*,-hx r whas an index of refracw m,hqf.rs* -xtion 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, whicu)-vj*zt/l moi(un1 a h has an index of refraction of 1.50. What is the frequency anj*- )luim 1v(/ozt uof 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 of 600 nm in a vacuump) rh /)wg)vpa5l-bbv. It passes into glass, which has an indepp)vwv )rb/ahb- g l)5x 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 vacuum is found to tq ,y17/drq aoeravel 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 0-ru 7k9nn w8bfwpj :yto 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 6 wvj2kas skzy-;n7x;cxy:f 8 $1.96 \times 10^8 \; m/s$ 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 v 8wmx4wyx(9c c:e pe1light falls on these slits, and produces a fifth order interference fringe at an angle o w 8(1:wvxyepx4 cc9mef $32.3^{\circ}$. 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 th*o+,j o 5oob9xm.bkg wird order bright fringwo+*b.m,ok og59o bxje is 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 experiment, if the separation between the u(a;* ma8b6igdiam(n,iu ac ed173pn two slits is 0.050 mm and the distance from the sl ea7(68a,*pmab(3i1 nm d iadgucinu;its 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 slitbpto8p7p4jn7 ns fjr*5 u 20td separation is 2.0 mm, and 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 on the screen will a bright fringe from one pattern first coincide with a bright fringe fro *n45p tf7pjubjp2 ts7o8n0drm 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. Monochrow *8eqeaq sw89matic light of wavelength 634 nm falls on the slits. If theqesq e 889*wware 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 d0: pjqxac 9ze- m.f,vwr uhkbbrv*21;ouble 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 separationbjp:a u-20b.q ;wr9,cvm*ez x 1rkvfh 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 j9afy5//gpgjrb 7p(m 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 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the f9 a5 /gprpm(7g jby/jangle 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) an n;vb l86 6pmk3fpek;d4 jrg9zd red light (wavelength 670 nm) rnkkp3ejp8b;l;6d4v9 m z6 fgis 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 oc9,kpscp:8e u n a single slit of width 0.20 mm. What is the angular width of the central dikcpusp ,e9: 8cffraction 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 in6e 6p eoh-6y)rqz(d es 0.050 mm wide, is illuminated by light of 550 nm wavelength heryde-oz n 6)6(eqp6. What is the angular separation between 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 o;d9)q i1see, xwvu d)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 1.7i xw d91)v,s;eedq) uo 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 sliqtp;1 37vjzb kt 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is tq bkzt;pv13j7he 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 observin v ltsp1,rp x;0cm4:hzg screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen. lpsc 1 v0r,:ztxp;hm4

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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. An obsgx:ac( ae5p) :*hyge serving screen is placed 2.00 m * :gahx( p5esg:e ya)cfrom 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 per centimeter, its second ord,+ 6 8 ksspn 7bbm9h qbkathxazm.3avlj )7((ler mhj 97m8 a a lqk6hpmk)., l(7z 3stx+n(abbvbsaximum 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 w3ih,;g oiri./8 ovz+ 8 :sqoh74ru (wwko wukcentral maximum and the four 78wsqgou ;kwiuo zio,4vr .o:8r3/whi( +khwth 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 m 03+0tmacpr9ia r uh6vm wide and ruled with 50,000 lines. The second-ordempah039 c+6tra ui0rv r 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 proy;w90c0 a 5rd * cng4n.ub-d)whjhd roduces 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 through the same diffraction 4*rg5w0hd) j0ura.n ydc ;9-hon wbdc 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. Whatp/.)c 0 k* ik kxez:6mfbl1hee is the angular separation between the second and the third orders o xhce .:/zk)k1ebmp 0l f6*iken the same side 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 by65nr;z;m mqty a grating. If the grating has 2000 lines py6 ;zm;mt 5qrner centimeter, at what 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. If tc/ /rf 9ooaraa1k 2 ud1;x (cjh1c-rzbhe first-order maximum c 1;hf dczbroc9ar -a1x2/oujr/(1 akoccurs 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 nn5 q59 u1nf hsbcs5,q6 p8dnuvormally on a grating. If the third-order maximum of the diffraction pa 6q hbus svnn8,d9un55cqf15pttern 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 5xzp1 tlyx/56w +5vai *igedngrating. If the third-order maxii xp+g/ lx1 55av5edwi6ny t*zmum 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 separkd5j rugl1(k dr.(f ,mated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the a.kf1jr(rk m,(ld5dg udjacent 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 r6w5s gfxm) a5pefraction of 1.33. What minimum thickness of thisxp)m fwa s55g6 bubble 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 illuminates a soap film ( n = 1.33). What is the f)tps9hqoa*y 5/mw 6zminimum thickness o tp6w/ moaqf9)hsz* y5f 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 abjeku om:nf q 40/+ug* nonreflecting film coating (n = 1.30) on a glass ljn/4 ku:0f q*eombu+g ens (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 of unpotv2ya*c jp v;6larized light and the intensity of the transmitted light is 1. A second ideal polarizer is place 2cy6jtvpv *;ad 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 pr4idb3 bowa / hnf,2y/ieferred direction 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 atnbu9i ei/,n-p an angle of p,9ibn/ e in-u$57.3^{\circ}$. 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. Th0ak5-vc uia-l ljb:5tht6 ax ,e transmission axes of the polarizer and the a ajt0,vctihlab a65l-5 :-kuxnalyzer 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 Mooh25l h lcpjctw q 95:k0p;rpk1n when its image reflected in calm water is khwh1q95pk2rl5tlp:c0c pj; completely 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 analyzer. In this procj, avar5 y+87 mo7myyness+anyarovm y 7 yj,m785, 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 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 lir.u9 yhrw7w9uh 87(ehqjti1 fght traveling in vacuum and reflecting off a piece of glass of index of refraction 1.48.8 7uh wtfeji79uh9rwq1h( yr?

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