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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: 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 princilz j 3 .zda.(osssxb7/ple.
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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 famx3ij-mc:z3u2eoh p 1cx 71xpvo; 2 qflse 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 attribu/(ow.ee**pvk v xv1o4ng(he dted 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 light is attribqlm)zt)hlz9j mm c ;m53 n5ef;uted 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 je xcwg 8,j*8ga 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 travelinotpyc; a,p m8(vjx 6h,g in air, enters a piece of glass (index of refra t8v,m,yx;( h c6pjpoaction 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), originar 2(ccm -bjxxepyg5 3k+t (:npu:aua )lly traveling in air, enters a prmpuc3 c2(x-:tb ye(nu a jx)ap +5:gkiece 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 light9ns*i ft-li bbhs,o.v*x3d8 oc8b2 )pvg+c da spreading as it passes through a narrow slit cc)3i.sbbsx8lf*dbaoo 2,89vh *p vi n tgd+-?

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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 largel+3,(ha f6 yq ualnh+s objects such as buildings, whereas light is not noticeably diffractual n(,3h al6yqsf+ +hed. 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 alternating0 n9tdqi .*edv light and dark bands when light passes through two or mor*e q.iv0d9n tde 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 saip5j:pmdbaja 9 o,no) 2ruu/ )bz ggt*1d 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 twf+t.e(am3c 3 0mrsbzv o light rays striking a screen are in phase with0a.z3 mr+bfc( vmtes3 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 patxkk d , -t t+8ta-nv)qpamm(b9hs arriving at point P. If the maximum constructivkp8 xm9-)m+n, -(atvqtt dabk e 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 9p5 v-llfztngs4j- +*l6csyelight travel different paths arriving at point P. If the maxi jc- s54tnyp-zv9slf* e6+ lglmum destructive 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 either side of the0 do(mkmngfm8uw1 sg9dh*7t * central bright spot in a double-slit experiment, light from each oufd(g ms*d10 og*h 78mk9nmwt pening 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 sp qe9/xfdhj p 4fscv.57ot in a double-slit experiment, light from each opening a 9f 5.cfv4d7xsep/qhjrrives

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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 cen eoujs;1uty83 tral bright spot in a double-slit exyjs eo1;8u t3uperiment, 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 bet61 nn:e xcya2; y1j( (ikvvajnween the slits decreases, what happens to the distance between th j16(1 ye:a2(v c;k vxyainnnje 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 ;yr1wwb xeg(;i a:+tw between adjacent maxima on a remote screen is 1 r;t+y:w(wbxiewga;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 travelss )k-d e2gukxwctok9 k15w/:e 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 ofni: r47t 4zz: -lxaefs)wh3osd 1yio4 a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obse lfi)r: 44y:3o e7znix4szsw 1-dhatorved 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 interference fringes in a double-slitwc9l1ad;gyht ri0(zi i9 (i /d experiment if the0wrizil/ d i9 ( 9iy(dg;tcah1 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 adjh l.r.6l3u3pqar clg 9acent maxima in a double-slit interference pattern using monochromatic a3 hl9ll ..cgprrqu 36light 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 prg3ca8uiu s *xa/z51jc lui3k(fhpl. +ism separates white light into different color 5. ux/kpuzjgl8l+i 3c 3fc1(hiuaas*s 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 lemz9g0lc- ak56i *rtallows 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 axq to4gkre;7 4scs.- slightly 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 sliz1b;it4oy2aypf(nj0 -b f r,m ghtly 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 un tigp:)fh (d;*v1pegpim.d - ldergoes the greatest refraction when passing from air to glass?ml ;t(i *).e-hvpgid: ppfg1 d

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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 qn/26rtjet p.(:l*coi y+oqasmallest refraction when passing from air to glasj t (.*i /t nq:qroypc+2loa6es?

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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 snp zub*7fv 7)xo49 6axbpf5 uiides, at ) o79ifpvx b7uzpx5bun6*af4an 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 holds u g:.;o2p;r p+-kjt w1zeclavsp two fingers, with a very small gap glec;w-p z .or:j ak;p +2stv1between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit91 wfbiky f7/sh3xh *x9: sejc increases, what happens to the width ofk1b7*ehxsx9 cjy f /fwi 3hs:9 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 andz6 9qina)w+ zg the other one h)iz 9w6 znga+qas 6000 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 the5 +c3q k82stl.ha paiv 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 statement concerning the82pt clhv 5sak3 .iq+a 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 reoerb 6m+ja3w7zbe p( ) y:+i+ o.qe q4aoztir4flection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constructively o 4 ntt2g4nb;jm6kq+syr destructively, depending on their phase difference. One consequence of this phenomenon is nqybs2gn6jm;tt 4+k4

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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, therjrk)v:k,j83sho , gmye im:ygo8kk,,3h v rj j)ss

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glass surfac*a*r k pzqdve;)7f9mm-5oo pwe, there vpo kq*pme o7 r)mz;-d a9fw*5is

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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 iwa.4 abf/)- msrh7ipb)f j9ei n white light. As the film becomes very much thinner than the wavelength of bl jfb)4i9bhafp/mrie-. a)s7w ue 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 0 bu.aoe y:0,fhe7dwq minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelengt070.ay eue odqhwb :f,h? (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 angi m3,lm 5-ztcd illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. Wi3mmt lc ,5gz-hat does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses can f z yx+li3d(9wreduce glare from reflected sy3 wf+xz9(d liurfaces?

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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 i1v pbi n6uvwh; y52 u(6ucqkd3s 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 ob/c 1qik3h46o2e z daystain polarized light in a dichroic material like a Polaroid filei6qd2 /3k h4a o1zycsm?

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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 sw y(v7xa(d;oy c:pt) two Polaroid films are perpendicular to each other, what is the percentage of t o yp(x7aw:;yd)(s vcthe incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected fromts)bu7xo4g 7 x 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 sunlighth cl3bypg))m ;sj9x4, pkipp- 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 +0* m)qcm6pr eycj dg;vci,3aa3;wm ddiffraction 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 appears to be more blue toward thegiju 9(qp rr*w k0 u)qn;*7jyn zenith (overhead) than it does towar7yqwk ;jn9 p gu*j0(*rq)unird the horizon. This occurs because

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum.0hce1 ehz9d 9g89f(cbt 2rg eb It passes into glass, which has an index of 0be2ze 99g gcc1db8eh h(trf9refraction 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;q g nfet5ubk za1:*5n nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of tt g1k5*af n:5n;eubqzhe 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 nz * 1fx xmrkwg;5i),zvm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light mgw k)xv;z,5 1 *fixzrin 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 r ct /o(v )v;bgi5oo/eto 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 travd+ e bpv*h54eqv 1ri/qel 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 fo, m( ngl nim;xm0.l5v(nb8mijund 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 the,mf/b)a0bhy7y 1;zzw -t kfu wse slits, and produces a fifth order interf7h-kb/f ) wub z0mf;zt1 ,yawyerence 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 b(rrk+(m9bn//v6 gylmox 3k t(d,x yi nright fringe is seen at an lmr, ((yy+nvd3bgtox/nri m k xk(/ 96angle 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 sli. /lll ud2,vwq+rm w.tt experiment, if the separation between the two slits is 0.050 mm and the distancv2 l .m+ l.uqtr,dw/wle 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 separation is 2.0 mm, and two wav tabp+,e m:ij3elengths, 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 fringe from one pattern first coincide with a bright frp:i,+mtja eb 3inge 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 rq )5 goh9pz7ln*:v lfapart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjace*rfq9 5pv)g7nozl:hl nt 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 has a5qfxpx; *twi v92qs- m 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-ordx;9 q fivxw5mp *s-q2ter 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 waveleng6v.qi t* j2wkwe2bp mh:g x9,.o yvob,ths, 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 ,w bohvxb6v m9pe giw.q:*tyk.j2o,2 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 (wavelenjj ;;.ala4gbk uwqg7dxe1 : b6gth 480 nm) and red light (wavelength 670 nm) i de1;kbwgg q6uajljxb7; :. a4s incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What is the angularewo5s4 zg5vms g+mjl z+o --/b width of thm4 el/ jz+gmz 5sosgo5vw-b- +e central 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 l; ,ois0)yuas mm wide, is illuminated by light of 550 nm wavelength. What is the angular s l)o,assy;i0 ueparation 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 .yzn5m jd451o- whn9hy 6 hurysingle slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the hj-.y16r45y5u 9n hyzdmohwnscreen?

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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 incidentr9 nd).h b; r*gymijlsn*a+d: on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the +) * nb ldg m*9inh:;dyajrrs.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 ofj3z xh35)qexv(; + 0;fjjkqcvo xoa/j width 0.300 mm. An observing screen is placed 2.00 m from the sjz;a(+o3oj ) xv /;3qxhk 0jqej vc5xflit. 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 ofh un7db6r-/n6bwx2hd width 0.300 mm. An observing screen is placed 2.00 m from thbx 6unhnd d6rb-h2 w7/e 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 u-noygb .g8. ore3/mw second order /enr-b 8 3o ..womyuggmaximum 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 between the central mrqzs*dl-.l h++xq4:yz u3hs oaximum asl.qhqrzslhz y*-+ 3 xdu+:4 ond 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 tw6m nfos3-5v zhat is 75 mm wide and ruled with 50,000 lines. The second-ord v3o5-w smfzn6er 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 exp8r 9;v: yworiweriment, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen.:y r;i rvw8ow9 A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centir 8c6,zeif/ay,aaz2;rr jc(azq v2 x5meter ruled 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 illuminated with a beam of light of wavelength ,2arc8,fz6y( /ve raj2a;r z5a iqz cx550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a gra q4j0b em, wjz7yk)nb yp0jk9aydb); 9ting. If the grating has 2000 lines per centimeter, at what angle will red light (640 nmyd9ba)0b ,4jyj;be 0zkmq n9) jpw 7ky) 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 gratia3 ,+lxs8nox ung. If the first-order maximum3ual, +osxn8x 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 incidxm b.9yt(6; *s9o0kp9cvob vrtuuwz3 ent normally on a grating. If the third-opy6v9tot9;0 bsx.omuwr c( 9 3kz*bvurder maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. s 8e6: gwi*pvw1;( al tgn1xvnIf the third-order maximum of the diffraction pattern is obsgx8t*(;aw6ge v : 1nnswv1pilerved 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 sepa3mfqk . 1pb dt6c8(vrxrated from another glass plate at one end by a sr 6.d1m8pkxtvfc q(b 3trand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index yz7m(m6)fut 0 2 c r5rgsum/lkof refraction of 1.33. What minimum thickness of this bubble will ensure mz 6srkl yf g5mcu7m)r0u/2(m taximum 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 akf hh s 810*g)soflpws77lq8x soap film ( n = 1.33). What is the minimuh * 87qxpg f1lkwfs7h8lss0o)m thickness of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a non z ec9;s,ymj3mreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nm?mycjsmz ,;9e3

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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 light and the intensity *zw och z2;zjd,v7- 1t-yo h+y1ld olmof the transmd*;1yzy71 voz2-zc+ot wmhlj l-, hdoitted 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 preo;,87 ficrw-fi bu2z; 7 fyrd2ywli s-ferred 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 stz1*4crhsjkun *0d za,rikes a flat piece of glass at an angle of rzk*ascj *014 ,unzd h$57.3^{\circ}$. 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 trar8ww a;vj (spw)+c+l nnsmission axes of the polarizer and the analyzer are as)wrw ; avj+ 8c(plw+nt $30.0^{\circ}$ 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 thux/4()v n mrrfe Moon when its image reflected in calm water is comrvn(u4 f/)rm xpletely 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 poxz+f .)nfe1q9ta5 h ufow1rw)larizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the a+1rx )ft uw9 of .5eafhnqw1z)ngle 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 fo-qmys9-ovd* e+f 4v 37 fwbjxcr light traveling in vacuum and reflecting off a piece of glass of index of refraction 1.- 7+s43me*ybqx wf-jvdcof9v 48?

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