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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.4e 6lv hk2kk,30muxty; hhi2h
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followin8c pp bvoo;lg0 ,t4gki3p6yt(g 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 ligh2l pm fpcud 2q:o(s4fc6/j6e dt 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 lig0yod z oj+x8n1ht 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 dif+d 0t w4 gx2/wtmn)vyrferent optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in airct(c-m.mby)5 whu .lg , enters hmcutw l.)cy( -.b5 gma piece 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 trav );r-rsny 87j j7 arorht;prj,*fdpz2 eling in air, enters a piece of glass (index of refrr7j8 - ntrzj *pfjd7yras rh;pr,2 ;)oaction 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 li dkt4x(;qyau)ght spreading as it passes through a narrow slt y(k)4d xaq;uit?

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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, wh ylfa:cafk7qax5:6nz8 6p k2 rereas light is not notice58qxka lp rfzy26kfnac: :a76 ably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bandslwi*9 d--) g4jrgmt hd when light passes thtim)*4-g gj ldw -drh9rough 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 cor:lp)*)n g aqjsvxv2x47gh. iherent 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 light rays striking a k,1gk4naqg:vd +c:2eziu y9a screen are in phase witu e,:zk 9+ 2dyg vicngqk:14aah 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 pat+x6 ;:vq j4:o6acno p nlzfd2shs arriving at point P. If the maximum constructive interference is to occur at point P2;l + do46xznovnjf cqasp:6:, 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 arriving at point Pt.qfb -km8f, k. If the maximum destructive interference is to occur at point P, the two bf.q -k8m, bftkeams 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 eitheinh-c : lc6q+mr side of the central bright spot in a double-slit excm+ -6:lq icnhperiment, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double-slitrk2( 1cb ssfg, experiment, light from each openin,c sr(bgs1 2kfg 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 double-slit x.w 3wcke .84iube:iq qi ewuc4ikb.8:w3.xeexperiment, 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 separation between the slits decrehhkii f.0iz3igte5) ,ases, what happens to the dist. ,kfe 3iihi 0g5thz)iance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed/q3 bi)r ) tnt/8-cgxs1+ lu kvz;sx)inkj5qk that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation igs)/)bn t8qurks/ 1+ t jl n)3k;xq5z-vi kcxis 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 travels pax3 iv340khfwz +7m kjgth $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives at a po; o5uipn 36+bltbq x4lint on the screen one-half wavelength behind the wave from the other slit, which is observed at that polxn b;pl4o 3bi6tu5+q int?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a doubls)h0rm k8c99u6v +y hh. roruae-slit experiment if the separation of the slits is less than the wavelength of u9 r v8kcuor6r+as mh0 yh)h9.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-slr.ny6qa9 - qjiit interference pattern using-any.9q6qr j i 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 why a prism separates white light inz(ou-jtfk*bck hu)1 -eq*lyl;0v r;s to different co;1-uby uck s*vqo ;krej*f(z0hltl -)lors 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 rai7e ie7f*crvdiy (h32b nbow 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 sligsacb38s; udc 8htly shorter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is callez pf8evr +wq(7d

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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 unde p d mp6vwkwf:rqh6t5 99(b(vwrgoes the greatest refraction when passing from air to glass?69vhpd 9rt6( m:bkqw wp5 wf(v

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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 refractdzg)7 dixp*1, tsy. go0via(sy() vvjion when passing from air to iv 7v vg. d(ji1gy0t,sy) a)s(dpzx*o glass?

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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 sidesxojbzd 6id 5mu7p 80:g, at an angle betweeu:6g0pdj8 d5 b7xoimzn $0^{\circ}$ 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 n lvjv) f4ew)+cc,z;m xow holds up two fingers, with a very small gap between them, and )w;jmxzcv e +f4,c)vllooks 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 e/) wlc8e tc)tsx xia;),v3rl pxperiment, if the width of the slit increases, what happens to the width of the centra sxic)a/3wc;tvp r exl8,t ))ll 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; one has 4000 lines per cm and the ot)rk.m.m(m wstyt e-fk,w1 0zeher one has 6000 lines per cm. Make a statement comparing the tm emmyw -(w,. rk 0zst)k1f.edispersion 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 grajkf c67hp3mg-tings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminatp-cg6hkm3j7 fed 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 reflerl- th 7d k,5gvn4mm(6*mcsq fction 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 constructivelyht;+j 2zq(bi: zkw4/2s4pg9 xnucq ig or destructively, dependis2kg wx;/gjb4pqq2z(zi i :+u c h94ntng 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 travelingq8fhw9 )9 w;lexd.rno in glass, strikes an air boundary, there isl);89fn.h oweqrxd 9 w

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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 reflected by a glass nko61okml7 cn6c0qpf5 ot: 7vsurface, thnfc o1:p7n76kvm65otkc0lq o ere 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. Asfpdos0qxt5 ;8q/8gq e the film becomes very much thinner than t8f/dx ;s0ep 5o qqgq8the 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 f-a5a px eu0xv4luoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction ofxuxa v45-a0ep 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 plack: /wipos 1i om.hb 8kk3e-ma6ed on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark ap1aiwkmbo 6. k3k/:smoe-hi 8re 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 sunglasse ozuta+j* d/p)s can reduce glare from reflected surf+*jzp u o)ad/taces?

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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 ug;efq x1 4thj 8y1t7npolarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like ag vfxr-g jq8m1nb/p-8 Polaroid fil/b-mj v18r xg -gqn8fpm?

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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 *lx61n.fbtzy perpendicular to each other, what fl*6tzy .nx1b 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 ox 4qr*c gz3(stf 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 gr3gvu 0tspxnsne1;z/ .0ub+ muxe q:s :eatest 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 exhibitf4gjb2)a5kt 8 x,cuas ed?

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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 blld kk6pc-na(av9;t p1jljqx3; ny u8.ue toward the zenith (overhead) than it tx(ak llc6j;d8k un -an;p3v 1qjy.9p does 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 pp9u8x8tj4ii u asses into glass, which has an index of refraction of 1.50. Wip j88xu4t u9ihat 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 an ind7bw5s-y rteq 2ex o7ers5y- 2wq btf refraction of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in ac xv3+o2 ajpt oh/f t;,g9f/qn vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light h axf29p/f+ng 3, otcto;/jvq 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 travel a9 u m/ax)7wodkr7 g0xx, dq9nbt $1.96 \times 10^8 \; m/s$ 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 fou0t+(ygj-fv .wj+/yfsenp 7 w mnd 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 foun f0l o7tps0 yx+)wfe1hd 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 light falls on hg-w,e2w4k9, feguvq these slits, and produces a fifth orwqu-294fv, g e,gwkh eder interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third order(nr5-/,uc piad h-c re5r2syuso0o2a bright fringe is seea n2s/5u p r2 cia,eudycosrhr -50-(on 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 t* 3+ut4hrmcn:x j pp+swo slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the fh+srtm:cjx4+p* pun 3irst-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 separativnc ly-yi.l)6b zj:a9on is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illum j).cn9bz lv6 yyil:a-inate 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. Monochromatic ligushxqo 0p- *5 uq7r.dfht of wavelength 634 nm falls on the sl*sh0pq- o7xf rq u.u5dits. 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 one q*e( n/tk k4sa,qq.w;nsbd15 ji1bn a Young's double 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 separation between the third-order bright fringe and 1/ sqqn5qw ta j(ni;kb4s ee,n*1bdk. 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, 480wucj r 0ixnakl5(w6,7dw2r+r 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. De50axdw(k7nc rrlw6r2+,iwu jtermine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (wa8c/2ycm ag-ci zq8 rqm1tf wp5rx/b09velength 670 nm) is incident on 1m tp89 gac/fybcwq2 rm/58cx-zq ri0 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 l0 6d rcn,)i0tbnz vn3a single slit of width 0.20 mm. What is the angular width of the central diffrir nnz bdv0n,c60t)3laction 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, whichl+r4. +delnh t is 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the l4n.ed l+hrt+ central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a sivphz,x2 s)s xxom) uc:0g+me :ngle 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 tm+e sc v0:xhgo)xx2u :) ,mzpso 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 gvsk,6v b.6eyis incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width g6v.yk e,sb 6vof 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. A .c k0(l)odkkb ork/.ne2 gcc*n observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center gkk(loe2k0o .r/bd cck.)* cnof 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 widthu 5nn/etevo 0ts j/1i5 0.300 mm. An observing screen is placed 2.00tei//50tn eo 1sv5un j 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 illuminat ;2 wfdl/ mt*nwbj*el(es a grating with 7000 lines per centimeter, its second order maximum is atjmtblwl *f/d*2 e;wn( $62.4^{\circ}$. 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 vyxn d 8kt9d0v06nsxj15m ix8 5000 lines per cm. The angle between the central maximum and the fourth order maximumkdv9xd5yx1mn08 nsj 8 v6ti0x 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 incid ff/hsoamo *7 z zp3wsp/m;:/uent on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen atfzo*fhupm m/7//:sa3psz;w o $32.5^{\circ}$. 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 ,7q-qisqv0ej /y jne6nt, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant ,yq/veeqsjij- 670q nscreen. 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 it. What isvg n*t:i s8clml kr+(0 the angular separation between the second and the third orders on the sameilm +kvsc(r0 *8ngtl: 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 by a grating. If the gyzu2rxzdi y aa- q ,i)8dvb)7.rating has 2000 lines per centimeter, at what angle will red light (640 nm) appear zzd 2y )rvqi bay8ad.x- )i7u,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 cajdv9 rmr( po+9librate a grating. If the first-order maximum mr9( vrp9+odjoccurs 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 nodav( a;oc -+knz5ck 3grmally on a grating. If the third-ord 3kk(zdncav+-o5c; gaer 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 of wavelength 500 nm is incident normally on a gc97:kytue c8 cjtydvk(r ,o//rating. If the third-order maximum of the dj7 :( ytok/,9c crtv8yue/ kcdiffraction 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 plat /qhjkw k,d acx6rwzf 3n47*s0e at one end by a stran jwz/ar0 kw4 fk6sc* nh3d,7qxd of someone's hair (diameter 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 refraction of 1.33. Wha ;*8pgpgqa,kk t minimum thickness of this bubble will ensure maximum kqgkg;ap 8*,preflectance 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 - 8hxf.f xbcq2film ( n = 1.33). What is the minfchb82f- x.xqimum thickness of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting fil/cb *h,jchr 46:f*zi:yj ycnwm coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 / f*4hjyc:nhiy,cw:rjc* 6 bz 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 lt:a,d x/6i z /*rzgmbkight and the intensity of the transmitted light is 1. A se/dx/ amz:* zg, trib6kcond 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 prefe (4xc,qz8xm*nbm+faovw l4a4v 32qzvrred 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 ligle 2xbqw (/db0ht in air strikes a flat piece of glass at an angle of e(0d2 qwbxl b/$57.3^{\circ}$. 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 tran8npf48m n awx8t5g4x e:lm l)psmission axes of the polarizer a)8 :n 58lm mp expln4f8wga4txnd 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 584 r gy+1 wxy9zcoyelits image reflected in calm water is ey4z5 y9rcxy1l w8+ gocompletely 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 passuy(q8 on x.h8am+nx-s cc:bj7 z p54ires through 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 polarizeran8 yxq+-i ojx8hs u(:c4 rb5c7.np mz 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 ixp79 cv:kpvjs-o -3g6h ( dfupn vacuum and reflecting off a piece pd(-jcv s7h-fpp o 6gk3x :9vuof glass of index of refraction 1.48?

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