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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://autoconfig.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://autoconfig.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 principv,3r5 p1af+difshe7tle.
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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 statemer.a4 2ko bxny5h .2zphnt?

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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 at2)jp dtyd3+ lhtributed 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 lii l f4y*ie/xj9wbh)8 y fk+ia6ght 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 en7mi 136 xh /c2 fifyqcvg+qa;mgs92citers into a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling iq1k4bu /. io:n +fgybln air, enters a piece of 1qob/ bg.iylfuk 4:n+ 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 (wavelu9 5ww9g 4y6 jrkcmwb6ength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavgwbu w m 4kw6cr5j69y9elength

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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 through a nap ppm6m;)p dv-v(, lyrrrow s)d p6;lmrpp vpyv(-m,lit?

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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 aa6du:o2 h6baz9t /enfl 1m 7gxs buildings, whereas light is n6u z:a6m/a 2l9nb1hgfx oet7dot noticeably 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 fep4sbn(bb+ 7eor alternating light and dark bands when light passes thro(7b4 np bs+eebugh 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 toc, ((a gra(4 ux d886toyxhqvz be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light ramgn0r j /3dza4t5a /hdys striking a screen are in phase wi j d04a5h/3/ragn mtzdth 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 a4grc6a w6pok5q 5hu o+ygs /7ct point P. If the maximum constructive interference is to occur at point P, the two y h4qa 6g+57o/ wck5sc6ou rgpbeams 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 5wev yed-)l r:n 7p-vzat point P. If the maximum destructive interference 7)r5: v -veyedlz pwn-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 sidy*n7gi 1bd;kxe of the central bright spot in a double-slit experiment, ligy7k 1g;* bxindht 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 -ys25n zrcif(double-slit experiment, light from efc (r5 2ys-zniach 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 tbqrf 0 pn:*0ryhe central bright spot in a double-slit experiment, light fronryb* r00q fp:m

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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 separe my(rmfu6xy9 :o jbea85z5w4ation between the slits decreases, what hap :r5a5owu m eej 4mb69xfy(yz8pens to the distance 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 that the distance betwee-6 peda9e+nzzw ;h1cx n adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when czzp +6a;w h91edx-en 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 c.) i0 +qwdko/zg9c mgtravels 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 doubld59urlu (8m hze slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obse5hzm(8l9uru drved 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 tou7 iv*kt7lo; b obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lig7oukv;ilbt7 * ht used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference patterg.o utu;41y oeidy59rn using monochromatic t9udo1ouyye4 i; 5r.glight 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 into different co) s97yx tty2rjlors i29tyyjx str)7s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which :y;5es 1npoabvupbf)mm(q7mz)hv0 6allows a rainbow to form is

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

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength sligwv 7gnuici(vh;;t qw*16u4a v htly 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 slightl+m x8rr/ nzsv84 qqq4qy longer 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 undergoesdhm5n z1(m9l6l -o -qv mxqzg4 the greatest refraction when passing from air to g-hl n m9lv(- odqq1 5gmmzx4z6lass?

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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 fuzcof*8j 3e8 arom air to glasscez*j 8 fo38au?

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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 61z7 p udq(9nxbh( xsoparallel sides, at an angle between 7h ndp6xb9 u( q1o(xzs$0^{\circ}$ 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 sour1 )s n:dqly;uvn-wy(b ce. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she willyy-n)v(1:wulbsd;qn 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 diffractiov03 mw1jsl/9 1r+qem.mpuoq fs d-:hln experiment, if the width of the slit increases, what happens to 9f1s h mqdu+lm3 w s-vlq0ro:1j.em p/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 diffraction gry-. 5g*q7wt/ z qrjd+w7fqxwtatings; one has 4000 lines per cm and the other one has 6000 lines per cm. Makewqd7y5r 7z/.x jt gww+f*tq-q 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 nr40o2b*ts-hd.smk( - i qo9txi 7lkithe same 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 a statemenk0 2.k q7bnhlitd4o-xio *s9 mr(s-tit 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 rqw: wsnsvh 4)*.* tzekeflection 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 interferep cpjx9j cl4v): 8r(;;txjoqd constructively or dest)(;4ljp qpoxd8: ;jrc jvtx9cructively, depending 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 traveling in glass, strikes an air boundary,w/f3 kg+s /(rbw)3rewbi- y tj there is r3tj//bg+e(rf)b kwswy w3i-

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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 reflecteq6x c5kgk bz:43wdwr(d by a glass surface, there i w3d6 (5k rq:kwg4xcbzs

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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 v z7p2oujh.4n qiewed in white light. As the film becomes very much thinner than the wav.jo 4q7punh2zelength 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 mag/yqqk65fic yd8+ ecs1 atn2l ,nesium fluoride, what is the minimum thickness of mtny2ycql/,a cd58qse1f6 i+ kagnesium fluoride coating that must be applied to a 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 glass plate and illuminated from above with mdrb 5qfrnc)t n*8( ap9onochromatic red light. When viewed from above, concentric bands of red and dark are observed. pnq* f) (c8rb r5dtn9a 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 certain5cx0k7y em/fr+5 /yksy fli z6 sunglasses can reduce glare from ey/6frsi5k fk5xzy7 m0+cyl/ 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 o- vy:,;p syb p.k utwdy,ozn:;m yyr;:f 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 polarized light in a di y wb;np;6zl.zchroic material like a Polaroid f;zy n zl;wb6.pilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each /mum6tyfs:k.mvam8 2 other, what is the percentage of the incident light which wi6v2f tmm m8/ksu:a. ymll 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 from9jp)vg yzh /2t the 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 greatlm,s) qvkl;9m efoa6id :) ;hyest 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 diff7 ul o,.hurfr1f/l2ffraction 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 appear+ho / e8urdht)x44vkxr; z h;as to be more blue toward the zenith (overhead) than it does toward the horizon. rhax 4evo;xhz dh) ;kr+ut /84 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 indra -m )-h4gt pqmh3kl1x:z w69+e ctoto glass, which has an index of refraction of 1 x3d4-r)zemt ok9:w qlthg+ 61mpc-h a.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,dznrc *t+ te(m3dn) h7 which has an index of refraction of 1.50. What is t tr)dtnze h *(3+nc7dmhe 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 a vacuum. It pas:b ng9t xni (+zyt9tj;ses into glass, which has an index of refraction o9 +yg;n ntbzitxj(t:9f 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 vacxpih 6n-)j1 qbuum 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 ig1n qqt1bz dfddu,(. hdho ;::s found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to tra9;cdn 0ozxjfb2e .2*pzz plr 8 7igji)vel 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 ip9k c-g,bh9k falls on these slits, and produces kci,9-kbph 9g 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 n6m/rd,j .h ujp5juk) yfd m9m:m falls on a double-slit and the third order bright fringe is seen at an p ruj6mkd:h d9j5 )mu,jf /.ymangle 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 +(i,6 hxev s. bpb;oauslits is 0.050b(u sxbvpe6.hia ,o+; mm and the distance from 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, the slit separatms1z+7ub u1,y edoyn1j 8+ cbdf2 scr3ion is 2.0 mm, and two wavelengths, 750 nm and 9 1d7nrso1b,e mbjsuy+821f zdc uyc +300 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 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. Monochr3vi 1u*9+;uz yr3dkkh ysjg8 somatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferenc+shd gi;uyy sk8* z9uj3rv13ke 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 3yu(i)f ; flxgbegdqq92)x+ois incident on 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 andgiby+qdxex))fq ; 392 ufg (ol 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 700 nm6op *4wa++gdaw sh qnt kre9)*, strikes a plain piecet+s*gn ah49d+)pqo6w rea *kw 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 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 blka0 r5 7qfhr 5l87akveue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of gl 8k rfaalrqkve 05757hass 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 s8y+irc *0g eziae 3d3 mm(fi-lnzt.0blit of width 0.20 mm. What is the angular width of the l ni30brym.ec0m3-eiz z8agtf (+*dicentral diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminaup/w1.h im ,)wu lhn6bted by light of 550 nm wavelength. What is ti)1wwpn/uu, h . l6hmbhe 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 on a single slit 0.75 mm widehi ckha9bh-,1y0e1h b. At what distance from the slit should a screen be placed if the second dark fringe in the diffr0kbhhc,b1 a-i1yhhe 9 action pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20yuj8/ uzy :jw8 *crth: mm wide and the diffraction pattern iwu* /y:zcj: r 8hyju8ts 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 nm is incident on a slit of width 0.300 mm. /hon*4xdy w et((p8bt An observing scr /d (nyw4(pttoe8* xbheen is placed 2.00 m from the slit. Find the position of the first order dark 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 on a slit of width 0.300 mm. An o+ zlrp48 hdlb*bserving screen is placed 2.00 m from the slibl*z4 ph8+rl dt. 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 6 el8r72sk9e sc1zk jdorder maximumr69zk7je8 s2 sdelkc1 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 auglgy l )ppt5 *f;cu;2ngle between the central maximum and the fourth ord2y g gupc)t*f; l5pu;ler 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 onn ; j b;6alfl6z0;rlqh a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is sejb zr6alhnflq;0;; l6en 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, linujbk-jy .9,bght 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 through the same diffraction grating. What is the wavelength of the light from the second souj.byku9-jb, nrce?

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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. Wyt7l ;b6/ f,xv / vrknl6p0h0qsxmv;phat is the angular separation between the second and the third orders on the same side of the central order 0 7v r6/p/fmhyv6; b;l0p,kxx nsqltvwhen 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 spreadk(0 :pcvbnqj/r (pkp 7 out into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in t:pp((jrp0vnc /k7q bkhe 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 caliz d mumink7.)9brate a grating. If the first-order maximum o7ud zmn.9)ikmccurs 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:c;.xbdpyb+g o12 au g wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is o d2yuc ;o.g+ba1g xb:pbserved 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 isp/ne6ng9gk*g af:4u n6.q d4tj e; uwt incident normally on a grating. If the third-order maximum of the diffeu/e p4fw*6gntd 6;ug. 4q9k tjag:nn raction 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 glakd1*eb -g7jvrsfff e5 /,n1okss plate at one end by a strand of someone'11e5 /v f*r7-bfgknf do sjek,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. What minimum tq af6 gv,g.epjs;t j);hickness of this bubble will ensure maximum reflectance of normally incident 530 nm wa);gqj,g avfe. tj;sp6 velength 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 min1ooo;a d f,n4kimum thickness of film that will give an interference when the light is incident normally on ik;,n 1fooo 4adt?

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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 film coating (n = 1.30) o1in/gwwbh ucuue8 85:f q(0ds n a glass lens (n = 1.50) fou/58ufw enis8d gwc1:bqu(h 0r 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 unpolarized ) g1uat2,xlpr light and the intensity of the transmitted light is 1. l,pu)a1 2rx gt 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 directi8mz f0 7,isjhion 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 +mydqu7 7/2 ogq3mm pka,m4 voin air strikes a flat piece of glass at an angle of o ,d4a+ u7q7 vpmyk3/mmmgoq 2$57.3^{\circ}$. 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 transpzzf wa 1./ blk;na; s5;ycn2pmission axes of the polarizer an l/yc5 ;pwf1kpaanbzn2;. z;sd 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 imagejz2)om2yf f cnwn), fylkm +g l.c6n)3 reflected in calm water is comp)n .2nl c m3fjfy wo6,gf)+2)mzyl nckletely 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 thibukm007 +*t,gti nw kzs 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 polarizertb *gnti7k0m ,+0uw kz 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 for6wwq/r ota ; 6h4hyktb9ymy7u:y5c 3e light traveling in vacuum and reflecting off a piece of glass of index of refraction 1.atw4y/ 5ehy7wqk6ybr;3uct :9oh m 6y48?

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