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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 principvgpi9o :0hcf3ol dr)(b98 )gg amulc9le.
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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 fals5t.frtay,s 1x e 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-m uo7u( obmf9gqhu))pq 0 fm2 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 ligh:xrbxm :8j,.dauh9j y:p-rik v ju u,5t 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 opouqmz 4-6cq 6 jb +vjvv..ui:r.t 3cpztical 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 9fpg; 0)vg b,(j5fovy6f m- md 6evzmu(wavelength = 590 nm), originally traveling in air, enters a piecefg(e 0f,gj6d b6fm)v o ;y9vum5zvpm- 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 traveling )j4ohh5q (fbw in air, enters a(bhowj4h) fq 5 piece of glass (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 spreadiz , gybayqi3- z1knk)7 dpj/qj2hj77ing as it passes through a narrow slb 1 qnkgd 7y-,zjikqjhz2/7p7i)yaj3it?

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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 ice8 :a; l5zesobjects such as buildings, whereas light is not noticeably diffrcl ;eeas8i 5:zacted. 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 bands when light pu1s8(-d/gbj/ p zg9b 8gdhd jxasse1h(udg j-g / p8bx/dzsd 8bg9js 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;r4gkwraw;)a1z4 flo 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 rays striking a scr:3l 2gg5xdzh teen are in phase with eaclgzx3 : 5tdhg2h 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 1j8t( x 88oqdk pvp1rvthpg70the maximum constructive interference is to occur at point P, the twpj1vg8 tpp8o 7xd( qv0rtk 1h8o 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 P. Ifxg+no32ta5jsu sv 9 .p the maximum destr+ug noxjast593pv 2s .uctive 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 eit(orbm+j l3hnbn+o 8eyoo a56, her side of the central bright spot in a double-slit experiment, light from each ope+jn53m,hab e l8 no6(o+byoorning 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 centrf5fxffd qgnxf0q-h+le6i 8 7at 3l,6zal bright spot in a double-slit experiment, light from each openxf6he 0 znaqf3ql ,f5 7 ilg-fxft68d+ing 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 si(u tsth(4-yhr,z8ysj8 +zyfbde of the central bright spot in a double-slit expfhzyth8tb(u8r-y + s(s4 yz,jeriment, 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 sli;ft5pz3/ad-xwq el 1v ts decreases, what happen1 v ; efl5-/w3xqzaptds 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 betweenw2 6 lbrx u: ivy04;m1r4 2puykwewej-0hmii9 adjacent maxima on a rejr0 2miy k42;ii -heeb l9u w140 :ywmuvwxrp6mote screen is 1.0 cm. What happens to the 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 -bilq)e)7dzuw3+: zhlgr6ku lj)qv; 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 expjvi+wdl5bpww 8f8t6) ut9s2 veriment arrives at a point on the screen one-half wavelength behind thfb8vtls ip v8+)tjdwuw692w 5e wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossibazx.2 fblh g 23:eru1lle to obtain interference fringes in a double-slit experiment if t2:.uezgr 1fhl23xabl he 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 doublrn;5j8rhe9 rh82k ev ye-slit interference pattern usin2k 59eh8ne;h rr8vj yrg 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 wu8a -t4 b,ibuyhite light into different color yu,a8b ub4t-is 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 allow1dwy vr 2dvi ps:*h)z-s 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 sligh+iy y2no8efdq,m mbo ;u:o,p4:e/fyd tly 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 thajf48.kol/vz)r esgop :ze9 7 an 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 refraction w 2 ao/awf cjsktqv *j5-t11v/0mi f2vfhen passing from air to glass ffmq1j2tw1j 0ao ta2kv *civ5f- sv//?

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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 17 xu 584zuz6k rxljuirefraction when passing from air to glassku jur5 1x6z7liux4z 8?

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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 idfl4v14 2oj f8z4ni2 uu;l6z7pg iuqgs incident on a thick glass plate with parallel sides, at 4vd6l8 f1u4gop2n zlifju z 7;i2ug4q an angle 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 source. If she now mg)qo; ,wyh;oholds up two fingers, with a very small gap between them, and looks at the li wgm;yo)o,h; qght 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 diffr3shp. 6do3uv+cxmg9 iaction experiment, if the width of the slit increases, what happens to the widudg+v.3x 3hi 9psc6mo th 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 c-e)pxqnw 3 *oi* x-qlcm and the other one has 6000 lines per cm. Makeqqp -)i3l nw*exc -*ox 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 slitkxqz1p1 larqi 6b6gk0:, 5mj v separation, the only difference being that one grating has 3 slits and the other 4 slits. If both grap1x mrkgkvq1iz6 ql0b, a56j:tings 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 reflec mdrwq10c- qrsr0s 2)etion 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 wavvr82fhz13,)zi xinpc 4 8 r+ bfboul+pes can interfere constructively or destructively, depending on their phase difference. fo h2clp8rv8r ++f1buipin,zz34 x)b 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, stri*jc0bux +8x0 zcf8ko: ys(nij kes an air boundary, there iu 0xb8(x f*k:+yizjjc con 80ss

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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 traveli5x +toson :s6xx xdeg:2w- 2yeng in air, is reflected by a glass surface, there2gxxns:w5o y:6ed-sx+t ox2 e 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 bz6 /-p,h k td-nen .domr /5stamh4l/secomes very much thinner than the wavelength of blue light, the fi/s/pmtd- dh4,l /n mhsozk rt ae5.n6-lm

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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 fl ,b 2/njzqm0u2-uu ekxuoride, 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 of magnesium fluoride is intermediate to that of glass and air.)/jk02umuzb,eq x -2u n

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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 *cc51lg4tu yg 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 plate are u1gygclc 4t5 *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 cere-mqqzorl kj;;m . 2d(tain sunglasses can reduce glar;qmzre j;o lq(d2 .m-ke from reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization tu-j;7k1.k f j 7parjkis 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 a6ie 2f4n0emdx dichroic material like a Polae dxfm64i n20eroid film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are pervig.km/ 8) hrmpendicular to each other, what is the percentage of the incident light which will pass the two fimhrv m)k 8./gilms?

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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 o w)n3r /odvme*aa8r1ar+up0edd+ xmg0 b b-8q f 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 sunlight1 3h7qd nv:qaxrv4 )b-2mi 4)mmnn flv 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 diffraction NOTd 2mv+5)okxkkq) 6opph; -q zf 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 appixq/ltdk )zhg-a 3 c-/ears to be more blue toward the zenith (overhead) than it does toward the hori3xl agc/it-kh /-)qd zzon. 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, rqb/k rm,p0 i2jou; l-which has an index of refraclpr j ,2ibq/ur mk;o0-tion 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 va0t.sv:z4em o y9 x-coacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the g yvo:amo9se0 t4x -zc.lass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a waveleng m3jg zo.4wt7bth of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What o j7t34zm gb.wis 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 i;bi0doyv(frmub2 y,jw0 r :zdu3 5z3ns found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to 7 j5rymdy )y3;swlvz4 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 os:lejh14 4( gic9rmb 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 apart. Monochromatic light falls on these s 8oep xihj/ijj ns420.nd/2ielits, and produces a fifth order i h dejn2 ./0joix j/2iip4nse8nterference 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 ,n fcvf,rzt 68hge5h*bright fringe isvtgr6, nfc5 ,*hef8zh 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 t*4kjb82dhhiq v 6ic-rhe separation between the two slits is 0.050 mm and the distance from the slits to a screenk dih8hbi2-4v r6 *qcj is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm,cag 4k i6/dz m3cmddv)-0:vtj 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 frz4dmd30m)t i :djk/vacgv -c6inge 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. Mongxg):lhai-jek7 1 qc ..xh 9heochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, howcxh- qga)lihgek97 jh:1. ex. 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 slit setup that ha( m*n i 91dmq8g1 bu3c+dvr9vhnq mh*ls a slit separation of +dvq*r9*hidqhcu8m n 9m (3ml vng11b 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 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 nm, s h:c*u/a,b *dpy foiti6*1osntrikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 ni cpi:b/1ynot,o f*shad * u6*m 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 (w xjr vqod ,g)fc:d)9,tavelength 670 nm) is incident on a thick piece of glas, ),dfqrjd: v)c o9gxts 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* 2)a kw o s28sgozwy:dmlbe11 slit of width 0.20 mm. What is the angular width of the central diffraction pelszw8a*o)2b11 y 2eodmgk: swak?

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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 i5r5ai o/ agt5r;/ub uis 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on eiigtua;r 5/ o5u5bra /ither 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 w,24,y(ei(q6ixwn 2xcal-lq*l p lhaerxp,, single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second day(p,2,w,rpq alx2 l(,l46lx e w*c-qaiihnx erk fringe in the diffraction 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 cql)p0cv7xe9 slit 0.20 mm wide and the diffraction pattern is produced on a screen x e0qclc)vp97 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 mu*6js iac3rk(m. An observing screen is placed 2.00 m from the slit. Find sai u3krc6(j*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. Anspx9yj8k5t v3 rsv:35yb 6g* mjqab8n observing screen is placed 2.0bxvpgn vy5t9 ym:kasjb8r8 s q*3365j0 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its second: 4vj-f5j +o lpo6tqmy order maxj-l:6j o4opvytm 5+q fimum 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 liy /l1k j3*hkeenes per cm. The angle between the central maximum jk/he k13yl*eand 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 inc w 8+b2p+pbqe2v5qluoident on a grating that is 75 mm wide and ruled with 50,000 lines u5b 82e+ qob2plwqv+p. The second-order 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 5+q z(lene:fs 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 t(fn+5zeq l:s ehe 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 )y9qrkke8t3 cruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminateder93yt )q kkc8 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 spreadm:ycsbn,(so mj,/s* 0spkv1d 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 the first or0ps/m,kcs j(bvyo*m n,s1sd:der?

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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 bqj*av., )em-: ;v p 3gqrho(d-obawiused to calibrate a grating. If the first-order maximum pje( q .ob- ,*:griq-bmahda v 3ow);voccurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. uf7 *pa (7oca; ykq59qmzo(abhjg25yIf the third-order max2k*g5of77 ( qym;uca(y bqho5 pa za9jimum 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 r)v68ouay* ih grating. If the third-order maximum of the diffiuovh a86)*r yraction 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 anwd w1n) *88kkye x/xw,y gyr-rother glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 ye)g,x8wry/ y- 8xw1k*d nw rknm?

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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 wprok(7 732ctbiqox) refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 wci opkb7q72r (xto) 3nm 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 = 1.33luzq 9s 6(4.m.n-jkf/ wv7eht(:-beq joap ry). What is the minimum thickness of film that will give an interference when.y/q6m n7huev w -rkqlfejp9a4(( :t .os-jzb 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 thickn;(n+mnoxcyz51+d zc ness of a nonreflecting film coating (n = 1.30) on a glass lens (n =+;nnox5dc+ z1n m z(cy 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 unpolsd. dt2kcr eh4p*x5p: arized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with it 5p*4ec2sthdp .k: rdxs 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 direction rotate3g+ f*dr7,:ru gaqgi td $30^{\circ}$ 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 lin(b s;gr5m 5peght in air strikes a flat piece of glass at an angle of mep5rsnb5; (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 throu3vm h*(q y ;wdkug:-3- iriu fxa(fj7ggh a polarizer-analyzer combination. The transmission axes of ;rm ga uwf:*qj hxi -37kf-(dvy3ig (uthe polarizer 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 reflectee. zs4 kau.qd;d in calm water is completely p4sdza;q.u k.e olarized?

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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 aoa 6/uj,nttt2)c x, jj polarizer and then an analyzer. In this process, the intensity of the l2jc6)jnax ,t/jt t,uo ight 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 sf.gjhu(z.x- k2 r8qgfor light traveling in vacuum and reflecting off a piece of glass of index of re2k( .ux 8rgqs.g-fj hzfraction 1.48?

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