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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 principltrbf0 5vy.t (ce.
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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 statement?w1 )h;yxml:5fg9bp (yejxf eh+*a )rvh 79ghs

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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 lzsu+l p+ a6r0is 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 off6:nqo,b+u c9kqkq(z r /9qcq light is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium 7xor yvjlp: :4(shm 1eof 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), origina24ft a3mnr,)lfdvcu:6 t 5 vvtlly traveling in air, enters a piece of glass nvaf6rf:lv c5,u42vt d t)3tm (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 a9n62l 7ay jiein air, enters a piece of glass (inny2 j i67l9aeadex 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 through a ctjo13q 1y-atnarrow slt yjco13tq- 1ait?

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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 sux;zwi)jb((0d bnkgr ). n3lhjch as buildings, whereas light is not noticeably diffr lz h)k0bn;g3.nwdj )jrbxi((acted. 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 responsibleuay,m6hh9 mz+4td2pa for alternating light and dark bands when light passes through tta,zhy49 2pm6+ udhm awo 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 li2:y6t,tkco8ed6i h to 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 rays striking a screen are in phahu o.ku 1f3owvu9;jwdtga5/3 se with ea3d5 w/ka u;fvt.9hjoogu3 wu1ch 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 t7r75jv) alb dl dxa,)travel different paths arriving at point P. If the maximum constrt,a a7)dvr7jl )5 ldbxuctive interference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel diff6 z9nel7.*cgoxa 2f zq(ku3c serent paths arriving at point P. If the maximum destructive interference is to occur at point P, th sux9o(cqkle37 6* fcnzag.z2 e 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 sideo;/c. .x lbmal of the central bright spot in a double-slit exbcl;a o.x/ l.mperiment, 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 spf yas0pt-. ;htot in a double-slit experiment, ligt. ;ysh0t- pfaht from each 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 o)vj+vbk mv,g872e ci-cipv(i f the central bright spot in a double-slit experiment, light87+g,pvi v) iv-jv(cec 2mik b 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 jv 66qnuanmq0 2g0h 7x7q+g6b d8esl70uvfx nslit experiment, if the separation between the slits decreases, what happens to the distance between the ifqq6gv+b7v67nm7en2hq8 d gux0sjx6an ul0 0 nterference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between a 2 uvtlr3ddase: )ea09djacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima whens e)239arua0d te dv:l 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 ligh d (hl1rcor.i7mwc)3kt 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 experiment arrives at a point oq:9:a-6i eyb,iyj gwdy e g96i, :dwi:-yqabjn the screen one-half wavelength behind the 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 impossible to obtain inter+bjvk fp)g )fqe)9s oav7 qs81ference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light used?8+)b qeof7qa)jp ) 9vg ssk1fv

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacentm9 2a5aq,vz /q b l*fpq/6qxhg maxima in a double-slit interference pattern usingg xam* l6 aq/v9fp,qq 2/qhzb5 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 wz w1u*,qs(buv- mh/rt,ki u)ehy a prism separates white light into different colorsteks,u*b -w zum/r,q)u( i1hv is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to f abf4 bu)*xacg,hsq pgy;f g8j3x,t*1orm 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 sh6ndn*gg2 q5 m7az;jzworter 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 wavelengtk7+6swb( eleiq56 ugmh slightly 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 undergoes the greatest refraction when passing from aii gwv gw7:h3cpkiogm3 1 5z9x2r to g 7ghg w3x5:o3 m1vki2c9giz wplass?

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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 smalle hpg5 b/u6nv9qst refraction when passing from air to glass?9q b56u/gvnhp

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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 sidw zrd 6chx,eq:y4wy ,bw2s(5 des, at an a(y dy2wxr,6czewhdsb w q :54,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 source. If she now holds up two fingersm omkvi2olc+y g:rr)2d*3( ls le 0kr+, with a very small gap between them, and looks at the light source,2sm c +3 :giool2+vm(lek d *)0krrlyr 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 experiment, if the width of the swn i4a*kg1h.wo e9ra+lit increases, what happens to the w+wher*n4w k oi.1ag9aidth 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 80t p(te(zc tgh mjcuj ,gt:78cm and the other one has ,8m (jcg7e8c u(thjz tt0:tgp6000 lines per cm. 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, the onlyro fa0m8g)s;vs8 av3t difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochr 3 ft88a;ssgvo)mv0 raomatic 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 r 2 em2+/+r b,(bmsntpe :phd1tda2fwpeflection 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 e9l6 w/ geozu iei (ccym*fu;;1;n:gdwaves can interfere constructively or destructively, depending on their phase diffnd/;izcw9gm( :uuiegec le* o 6y;1 ;ference. 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 boundtz2sj0 3wlm 4mary, therel 034tm z2wjms is

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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 glasa(.v9drm.xt c.jtogp - 9,tv si h1cx-s surface, there i m( -shavo.jc.xd ,9tx cgt9vir.1tp-s

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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 l+/2bjd-8yfz oft br/yo 6a7 rlp-muy.ight. As the film becomes very much thinner than th-ly- mf8zo/ t2/7b6 rdybapu+froy.j e 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 fluoride, what is the minimuw.:ekj8:fb*l 1 rc wbxm thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refracwxj1. rw*bel :c8b fk:tion 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 illumi 6xa2cn x.qj)jd*;yvbnated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one obseryd qjjb)x.6* c;xavn 2ve 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 respon80q 0 9)f f.a.cz,jvijq p+kbcr8b euysible for the fact that certain sunglasses can reduce glare from reflected surfaceqf8v.jypbfz rc )e,c+8.kj0aibuq0 9s?

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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, the4be7zpfv5d.hz /p/3awwkd zo8v9ga* direction of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic s)nk) )m )0zls)lplr hmaterial like a Polaroid fs ph)k))zlnm) r ll0)silm?

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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 filp: 71iubeuk,uyq 7 hd8ms are perpendicular to each other, what is the percentage of the incident light which will paqu b7:kpy8 iu,eh1u7dss 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 of amw3w 5b9kp5 8miljo *6xwfsxl;sy+e. w**fvl 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 greatest xced+kis4 dkqt 4a76mgc/*t, 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 exhibited lssst+s3rj0c z 1qb.+?

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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 blue toy*m 0 la+vv8fqward the zenith (overhead) than it does toward the horizon. qf8vyv+m*a 0l This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which hi,q0 nb2wtjw +v91fw clai j;,as an indev jq ,cl0 jif bw9w+taiw1n2,;x of refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which bn7zcbj3 is +*has an index of refraction of 1.50. What is the frequency of the light inside thesb nb3*zic7+j 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:d,r4eh0:ir4zk2sf vdi* k hw in a vacuum. It passes into glass, which has an index of refraction of 1.50. What i ihwdf:dzk*ir0hvse,4 42kr: s the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to travel at a.2r*wwd+ u59a,d+1nvecmw goo 2cks$1.96 \times 10^8 \; m/s$ 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 0;sxi)2zj1m cig m 7de550 nm in 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 550 nm inn3+e3ag dc,kb 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 6 duxf r/i+ *+iogjq0,etv8zy mm apart. Monochromatic light falls on these slits, and produce0tguoj 8vdr/q, yex+*f6ii+z s 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 thwa*;c(aia i( rb dfx(xvz;g5(e third order bright fringe is seen((iacxi*fba d a5x r(w(;gz;v 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, i)oze4 7v :/jhwl 0rgku, kwj5yf the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacin gvre5)j uwkzj07ohkw4y,/ :lg 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, and two wavelengzdcw52m+ hwq)ths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from q2zmcw5hw)+ d 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 light of wavelengtfe q : pr5ta yi5((4oy*gt,aeah 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent inter:aq tyy , 5eoaag4*5i pfr(t(eference 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 set.; anvj8 vgz u9eg j/z7re. xnrj,my.*up 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 the zvnn.jevrm987 /a*j .u zgx.y;gj e,zreroth-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 contain)c;pr tvgsxyu5;03c s ing two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the twoyu;vsxcr3) p;5ct0g s 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 consis.c4-srd8 k 8+j 8l jrd(yjzjftting of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glak .d+ d j8z4(8fl-yjsrtj8cj rss 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 singlejb5qs4 1p7ckd slit of width 0.20 mm. What is the angular width of the central diffrad71pj4qbs5ck ction 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 8t t o93:kms u zursgbm7.n:b m*7s:yvwide, is illuminated by light of 550 nm wavelength. What is the angular separation between 9: ktmu7n.m*ysovr7t3:s8smb zgu b: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 wide. Ats(50 lr bcf:nmbb s k ua8dto9f,+l/a0 what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the 5u tkb,d9a nf8lmc :ss0lfo (+0abr/bcenter 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 wide3i :n21kzzuqe and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the 3ezu q :k2n1izcentral 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 on8f-3 rts:jvpign0 9kt a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the positg-i9pfs8n :vjtt03 kr ion 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 oh.68 6gkpkr8tyr. 0wuovncu /f width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central ma.u8g 0k r/c6wpn8rk tuoh. vy6ximum.

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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 centimeteri;mxkb0.*d0ruv uz 0x , its second order maximum k0v. b uzu ;*mi0xx0dris 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/k7 w6oy-e:e-:p(y th4 ijmg)wgi,a cla 8tmo 5000 lines per cm. The angle between the central maximum andjl 8o7ie6 m(iw-g w,y/p4ce mytgat a)-hok:: 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 m uj;dw :a:yoiiu1t8v2a3 *fgwm wide and ruled with 50,000 lines. The seco8a:vi1:* 2jw;3yut f gwoudi and-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 nm wavelength produm-p qcu8lwivc5p.je00 9 pd n-ces a first-order maximum 0.350 mm from the central maximum on a distant screen. A seco- jmu9n0 i5qp. cpecvw0dl-8pnd 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 lin2n 9mr4l0n uises per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order 29s0ulir nn4m 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 ma,jb t4tm-i 2,je 3row,j 9xna grating. If the grating has 2000 lines per centimeter, at what angle will red bttxem34 onj92i-,,w arjm,j 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 cali6wxw nmqv:f l8+)xso:brate a grating. If the first-order maximummqw8sf:no+x6w x lv) : occurs 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 normallo,0 fr9oualz w n*5,x,ownrv)y on a grating. If the third-order maximum of the diffraction pattern is obserz vxfo0n,, wa) 9,l*w u5orrnoved 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 r-xpxx +2wb)a is incident normally on a grating. If the third-orx ar2)xx-bwp+ der maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at one 0e0edb idae0 .end by a strand of sd.e 0a ebe00idomeone'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 thickne2w5wii *ii,kv ss of this bubble wk 2i5,ii*vi wwill ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a h2 x;(hrpmu(1ysis b.soap film ( n = 1.33). What is the minimum thickness of filmx2hs y1rmb p;(is(u .h 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 nonreflectinmsg797* qnt p9qzcc5yl7r r/kg film coating (n = 1.30) on a glass lens r gr/7q59 *nys t9ckq7clm zp7(n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a be)zoqlla 4ayy2v;l 4.n am of unpolarized light and the intensity of thov4l42ly;zqy na).a le transmitted 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 preferred direction rotated 2 f0qg *vwvr9s6skble;n 7a9/x lwlkgk.5e8h $30^{\circ}$ 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 ftc(385kttbwiby9 j / klat piece of glass at an angle of k k/t9bty85j(ic 3bwt$57.3^{\circ}$. 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-analea* p5f40ncoq f .-u5z l6jcvqyzer combination. The transmission axes of the polarizer and luae5c* -oq.4np v jf6q 0czf5the 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 whe0 v1-hbut doc-n its image reflected in calm water is completely polc1-o0dh- btuvarized?

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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 thiv 9 nnc* k,*7rpax iyux7j7vq-s 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 ofx9un-nx v,*c ryk*q7ip7 av7j 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 angmyx+fc *8uu z(le for light traveling in vacuum and reflecting off a piece of glass of in+(c8*yx fmzuu dex of refraction 1.48?

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