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习题练习：Physics Unit24: Wave Nature of Light
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://mail.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 84，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://mail.51fly.win/test84.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  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 princiev+84 zr2 nadii.zh 8lbty f9zhi:-0iple.
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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 :;qb,;k*avahjn 29d ,jifvvj 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 attributed sldgcus2(o1t +g3x;xto

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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 attriy ckh1,zyh;c/ b (zqi;buted 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 di iy*9v;lfi(zffferent 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 7ty m8f4-q9/,nl(s fehv vypbin air, enters a piece of glass (index of refraction 1.50), i,tpm7 n lef (f-vq/4 b8hyvy9sts 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 r aftwhdh81 01traveling in air, enters a piece of gl1hwad rtf 08h1ass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes throughw ; 0cp)4 xkzt8itdi+u a narrow sl i0wtci t4;dx+zp )k8uit?

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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 obii5)6n y,me utjects such as buildings, whereas light is not noticeably diffractei5,) iy6et mund. 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 x czoi5.4 kq+yv:s0xyhirx +-dark bands when light passes throxs0:i5r4 -. hyxkcz +qy+ix vough 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 *khe.w*(btp 9 rpx k,eif 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 l.vo f)7fc wz7yight rays striking a screen are in phase with wyfo7 vf7c)z .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 p:y 2 03jxcqtjpoint P. If the maximum constructive interference is to occur at point P,j p30: xtqyj2c 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 7k eci k(z1hchx /1ho.at point P. If the maximum destructive interference i k 7 hzcxh1.(e/ckoh1is 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 bright sfduapx o -1v2qwtp:, :+ .uxdkpot in a double-slit experiment, lpxxuao::+ft -d kd21wq,v.upight 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 brigssn08ed7 d8q cht spot in a double-slit experiment, light from eachdcsd0sn e878 q 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 aea*w, s)c.qe a double-slit experiment, ligeeq ca* w).,saht 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 zk:y+dy;x)-k h0y reeslits decreases, what happens to the distance betwe- e0 x;ehd:)kykz+yy ren 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 that the distanced(,r52o4 -pc3wiqhta *avwlttcj )j7 between adjacent maxima on a remote screen is 1.0 cm. What happens to thv(po5wc)t*7ra4-tj2 qi jtlawdc, 3he distance between 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 travel)e:ecoy0ce p 9s 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 d0m g5t,lzp ;oii)n )qzouble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which zi qg;z)5to i0 nl)mp,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 t3j /tz5qu6egw o obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the li/3z6wug etq j5ght 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 ib8ys 38- gktr b cm35orog,8mvnterference pattern using monochromatic light is r3gk3,ob8m8t-bvr8msoy 5gc

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explah9ttz/3 b0q wqins why a prism separates white light into different colort/qwbh 93zq0 ts 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 fu;ht8-vgw :uqnr .j-rainbow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than g c1:a)gh(xa p400 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 call :aydhts2uu- 0y7*f5mzy)boekv(wur/8 i(qb ed

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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 the6zhve*7ma-fl3d pd 7g greatest refraction when passing from air to glass?-m a6p3vhe*ddl7fz 7 g

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing from p 7l1b:;xkd lzy p1)wnair to glass?pln7y x1lb)zp;d1w : k

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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 sides, ne m/1cjn6io)1it*s t at an ami t c6i*e/o1sn 1jnt)ngle 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 distant light sour6y5l 9yrnsk4hy ngm2g; x t2s.ce. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will seexy2sn kl;.ty9nhy6sgm5 2g 4r

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increases, wlmc .*y 4f65ihso8eof:-ivkl hat happens to ths mhel-i o6vfi.yco* :45fkl8e width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the other o x/ww hdf.rb.4nwy m14)aww:fne has 6000 lines per cm. nhxfmf )w ww1.br44wy /:awd.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 same slit separation, th0 rd+m f,kiy y tb4;gf)s2yeq;e only difference being t;y,+bsy2t4 fd;g 0 kf)mier qyhat one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a 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 oill ifx(*;i ,erb7gvj3k slick are caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light wavesz ff- lfx;5 kd p01bq7p*ls8ow can interfere constructively or destructively, depending on their pha*-1f p8odl;zs7 wlq0xff p5bkse 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 traveling in glass, strikes an air bounfrk :b8 b+l)epdary, there +l)f 8b: bkrepis

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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 glasx+susppkm r(b,3k)h1(4t fr vs surface, thekrp,(4rs(f13h) +m u sbtxp vkre is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very much tno(rlvb ,hx- v1 w:+muhinner than the wave(+m1w bvvnuh, :x l-rolength 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 i.l8j(cev oh*zn magnesium fluoride, 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 l.*zoj hev(8 cof refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate anv,my+ x,hzkd b-qxj -)d 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 -,yz- bxmdqjvxk) , +hthe 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 fawwj1w ga5;fji - *r8vhct that certain sunglasses can reduce glare from reflected surfaiva 8r-jw5w;wf*g jh 1ces?

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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 polarizatin44mn 1 z sz kig+sp,h6u:cq*von 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 materiawq1s qn( 2ggl;l like a Polaro2q lq;n(swg1gid 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 ax7us*3gqfrs:2j 5pxxs es of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the two filxq 2s:g*p urj5s s3x7fms?

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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 pbvlg/70m 2.am(xf ihsurface 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 suhricyy d87v 7v *)h5ztnlight is 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 dikwfp1b*/0u8fd ui /uz ffraction 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 appearhp: otd:e8ea+)u y oo2bbc+1as to be more blue toward the zenith (overhead) than it does toward the horizon. This occurs becauseo8 c1u:bh)+dy ea+ pebot:a2o

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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 passx.u;tqehp s d.h28 tu-es into glass, which has an index of refraction of 1.50. What is the wavelength of the lh.duu2 ptxse;8. tq-h ight 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 vacuuw ght*i3c6y s6m. It passes into glass, which has an index of refraction of 1.50. What is the frequency of 3tc *6 siwyh6gthe 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 vacuum. It, )84qsa iaosns1*whk passes into glass, which has an index of refraction of 1.50. What is the speed of the light in toshwnsk4a i*asq,) 1 8he 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 nmjph o48yz+cet k184jw in 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 inpaj zku25r2 5mx2,)h-os 8*o wb craig2cqf4x 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 .*l-gcc 9mrc3vd 24 fq.wyjeu 550 nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart2a0+vg +nv pyg. Monochromatic light falls on these slits, and prg +nv+agy v20poduces a fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third - ;qvigartw/ 9order bright fringe is se/gi t-9wv; qraen 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 two qjn3mn5 o /g5*honzw/5u qni,slits is 0.050 mm and the distance frn5,gnqooj*h5/nm 3 z5 wqun/ iom the 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,gle0r)g)g3- +hao qxk the slit 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. lo+ 3krga gx- qgh0)e) 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. Monochromatih4 k q6w0 ( sd3ukic.eczzamy2:3 pxb0c light of wavelength 634 nm falls on the slits. If there is a sm2y 0s4whebzk cx.3k: iu c (qa0dp36zcreen 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 double slite )-kq tvg4e-k 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 frq4 v)gk--teekinge and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 704yogi.nehw b +j;n7 m;0 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830;j nei+y bng;ow4h7m. 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) and red light e ny+vi7 vg7v1(wavelength 670 nm) is incident on a thick piece1ngie +7vvyv7 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 0.20kc- 3;dkso viyo/6t1b mm. What is the angular width of the central diffrac3;ik-t do 1/kcobsyv 6tion peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of 550 nm wavel(wov.3(d7gl eukxqx6n n( ai9ength. What is the angular separation between the first two minima on either si( xwglk76xv.(a3o9 n nq(id eude 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 issa /c 7gzefif-inca1nj2+x6 6+j1yxc 1l )nwa incident 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 i ayxs7g1n61 /enc awc+xi +l j62z1a)-infcjfs 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 mm wi 2gvmqm2vqn,9ig,7tx de and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of2gi2,9 mgq 7, vnvxqtm 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)ll()2glbd-l c 0gxi:bra x d:.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark-lgxi l)g2d:al0x bdc: l(r)b fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident cc abdo)2 te4.sxa)p*x. s3m ion a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the widt aais)e3.* dc.)xmpx sb co42th 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 gratip 4f)e q584acre- ) wbp,rnaxyng with 7000 lines per centimeter, its second order maxycnap f4,ew))8prr4a e- xqb 5imum 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 betwes3x(p wcmsva 3ei11uwylg9: m2. p ur6en the central maximum andlwmux( 9sm6 up1 rw:pgyv33e a.si2c1 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 mm wide and ruled with 5;p beaeji0;ge:k 96rp0,000 lines. The second-order maximum is seegpe 6:;epj0a;i k9rebn 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 first- ;( *heycyqhr,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 grating. What is the wavelength of the lig,rhq( cy *h;eyht 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( w 2uhh43gzwu per centimeter ruled on it. What is the angular separation between thewg(whz24u h u3 second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 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 byo7v /c39k( :rzhru;sr yo nrr8.c h2mf a grating. If the grating has 2000 lines per centimeter, at wha9:nv.(2u3rhm c cr7zrf8/r koyhsr;o t 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 the first-orkcir*2ox3p1 b/qvl 0u,h ws je qe8t62der maximum occurs atr ob* 3,0wu 81vs hxiqe/q lpt2e6j2ck $20.5^{\circ}$, 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 wavelep/ awi,kp p0o6ngth 500 nm is incident normally on a grating. If the third-order maximum of the diffrac6i, 0apopw /pktion 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*6t4 89tx4fm rtouflc a grating. If the third-order maximum of the diffraction pattern 4 fr*m xttt4o98 u6fclis 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 plapm: p,h dpl4h3:dx5 0zvugnr/te at one end by a strand of someone's hair (diameter 0.010:gx phddluh vmpr4p /n:530,z 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. What minimum thicknessag/pg/ 3pm9p d of this bubble will ensure maximum r/gp/3d p9m pgaeflectance 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 uwqx,b68:t yefaag 8u(r7jvkd8c/ t1500 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 normally on 8x68b(/aw cqga7ku8,et ytrdfu:v1 j 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 amxy-2zv zn2::otp 8 li nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 npit8vlz-oyz2:x m2 n:m?

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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 psm:3dt f 86qjylaced in a beam of unpolarized light and the intensity of the trm: 3y sjqtdf86ansmitted 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 prefer dof6 kjn+:su802vaqkred 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 64qqzqf* po70s v gl x7(z+pfuof glass at an angle of 47 7pqp xzf(z6sf q+lu0qvo*g$57.3^{\circ}$. 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-analyzer7gi vbia g( bj9ll1,)y combination. The transmission axes of the polarivgy)ib 7, g(allibj 19zer 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 reflected in nlodbm .iq35q fr:y,:calm water is completeln5y3,il::qombfq .r d y 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 polarizw cox9hyk-srg t1-oc dh0,5a( er and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% ogo r-xk,(cw-o 0hcahs9y5 1dtf the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflecting of0r9bl jsfvh/(gy3 2jyw(rbe, f a piece of glahef(j(jlb,/3wgyrb 0r vys29ss of index of refraction 1.48?

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