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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 principle20 m )). ugauqdml/sbd.
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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 statemenbpk vab /r 99nzc gvfo5t47 lxhu,v4 n8l;o9n;t?

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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 lighv nq aaz7eo;k-5.okxt0muc, , t 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 light is attribm;5oh af/4f wsuted 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 med 0q,m hyh,0rnbium 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-988f;f k e -efs(sr5v 5yxquqpkvs+2ykca r6 traveling in air, enters a piece of glass (index of refraction 1ur 2q-8;yrvec-5xesq+6y apkf (ks 8f k vfs95.50), 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 t42q :zj iypyf9jc22z xraveling in air, enters a piecz9:jy qx 2ipzjyf2c24e 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 responc98lbn; uht:m sible for light spreading as it passes through a narrow sliucn;8m:tb l9ht?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracte y 9ekbwwasy 4 )kl-u*h-qg6w:d by large objects such as buildings, whereas light is not noticeably diffracted. Why is qw)s4gh*aky b: klw6eu- w-9y 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 alternatfvsqcu34g4 w ow d pkkc*./gl+b/hb)3a1fym+ing light and dark bands when light passes through two or more narr+fh+gwg/4pl va/bc 3*m3)kk4fq 1 ycsbuo. dwow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if t-j(rk w,et.ii7a 7j zchey

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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 innb5u6hb,5j40z n rxsc phase with each n5 j5h 0urz4n csbxb6,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 tvsq7gjl lt2de9g*nj7+iiev:st / 7 d;he maximum constructive interference is to occur at poi7vtg/diilsn sl: d9tv7j;7*2ee +qjgnt 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 dlxk6;*y b7pl.zs3 aq-s,h oqlight travel different paths arriving at point P. If the maximum destructive ints*;by- xq3 ,d6.p l7olsakh qzerference 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 the central bright spot in a double-n)op +g*oz.js slit exper+)*.jzposgn oiment, 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 centrn6w(-yzr+ g5ks-upik al bright spot in a double-slit en- k6(-k wguiyz5p+rsxperiment, light 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 okqwm vv smv 6yx 0dblx76+ ))9lari64zf the central bright spot in a double-slit experiment, ligv9 yvb) + allm 6w0i z66kx)xvqrd4s7mht 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 slituu7gi1l )hp7 gs decreases, what happens to the distance between the intelgu7 upi1h g7)rference 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 observes ivij)2p *,usd that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separapi)suv*s2 j,ition 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 trav61nv au-idc8ou u 3.rs imy6j.els 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 double8pkqblq5 0/uz slit experiment arrives at a point on the screen one-half wavelength behind the wave from u0 qb8k5pqz/l 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 interference fringes in a double-slit ejw fhm d(xf74ke3 gxkj0(5eu4xperiment if the separation of th( j( 7hxf fee0 ukw5k43g4jxmde 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 double-slit injtje) sj /af33p4tv52to tpy2terference pattern usij 42votytj pst5)a f33 2/petjng 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 whyf: gdx0jds be .;*l/ak a prism separates white light into different colors is.fjkxdga 0:e l;bds*/

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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 iggr7q, s7(ra form is

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

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm is call );hw6.s xm2k:uuv mnped

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is callepuwe(1:m -sw: kw ;ozp 8)fnsmd

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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 passh ::yt 6h nn)b05t3lioi7ayiv ing from air to g70 a i6:i5 :hyvottny )3nbilhlass?

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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 sma;vn h,n7kn*vpu f;pj-llest refraction when passing from air to gla vv,nn7kpupfnj;h*- ;ss?

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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 sid*xuh,b qp.i /nonn.3 4t7u iodes, at ou,n/34 .h*dti7oxn i.nbqp uan 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 dr zkb0 g 5qky+0g* o,qeor)gw,istant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will sgwrgr)ekk5ob,q 0+ zy* q0o,gee

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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 ,l .a(pyfh8wx8a+ idimh vp /.the slit increases, what happens to the width of the central maximum on a scree,+yx8ipfhh av/.wl( ia m.8dp n?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and theq- bzzs;xt7y- other one has 6000 lines per cm. Make a statement comparingqz;zt- b-ysx7 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 gratinkd2qi2wxhkn/ fd*2i5t7h nk 8gs with the same slit separation, the only difference being that one grah8 *n2i 7k k w/hn5xdd2fiq2tkting has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflection andgdw 7nir0-yo3*jni 4peog i,:

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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 wc2ga .awd,/oqu +au:3rng s*efkh6l /aves can interfere constructively or destructively, depending on theic, kr :2e6/g.qaud *laf3 oa/whuns+gr 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, which7( nvy6wnl +ply.5gaxv70luj is traveling in glass, strikes an air boundary, thervaulyn jw75067.n(g+pl v lyx e 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 rem)r 4hy/-fc,b:85f a tvopgmbflected by a glass surface, there ia5vfc4p/ , fb:hr )gtmyo8-mbs

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very much thilp+.(xtt- h nynner than the wavelength of b.-y t (tnlpxh+lue 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 fluorivm9ff.x(le wlz :/ y0u2 h9yjr2 2qhwfde, 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 intermediate9 frwxhylv2 u zy0 h q:mw2.92f(f/jel 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 fz/.a4mg uy3i ,10hu k 0+olnrmhgv8w on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct chu nu mihl0r g1.w+a/,3kgz0vy48of montact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responchc4)i2r v.y40h+i .l -t hcj ghcq6visible for the fact that certain sunglasses can reduce glare from reflected suyihgv+h)-l6ivr .t0cc 42qhc4ji.hcrfaces?

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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 is definedpke.h:ujq90,ma zg 8wt t7zn,r( dpv* 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 polarizgah,i4tq 7 *kqed light in a dichroic material like a Polaroid film?qg7ik ,h4atq *

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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 fi6 :yfnb (:ogcklms are perpendicular to each other, what isc:yg6n :(bfok the percentage of the 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 from the surface of pm+ *vl; d1enut-eb: ;edq3av 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 j0;(, rcezqmznct agi 8d;(k4dc j6-w ,r* ewuis 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 y.x dwv:n( e*xo084csk z 9cpwnzp 0z3is diffraction 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 tozni,dt hg2h )kl7 g33cward the zenith (overhead) than it does toward the horizon. This occggi kdz)7lhhnc 3,2 3turs 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 i+h. 1aslgqy5 / y;zn9h u;rnisn a vacuum. It passes into glass, which has an index of/ yrga hlz;qn+1 9siy u;.h5sn 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, wo pd.xku 3:,mthich has an index of refraction of 1.50. What is the frequency of the light inside the dt xm3:k,upo. 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 iys t, 3-n9rw-f9ihc d tb4*wsqz( zp.a vacuum. It passes into glass, which has an index of refractioni ds4 iwz-,9w-rb.z*fh3q( tt 9 cnysp of 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 vacuum is found to tra 7uore5y1l7bxvel 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 i :dravf0- /ckkn 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 in airb6xkm fz eh 8q- 448b+n6qgiqn 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 li1 ,dcnt s5z7mjf4el)xght falls on these slits, and produces a fifth order interference fringe at an anm z) jfxst4dlc5e 1n7,gle 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-sl-t krifj-r)0o:zbj2 wl7h*og it and the third order bright fringe jr )-kw2f:*oj7 t0hlog rbzi-is 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 experimentv,*i.p( vkhmz b j;v8x, if the separation between the two slits is 0.050 mm and the distance from the slits to a scree.j;(* ikvvxm, zvhbp8n 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 ;9d0motro5 z//wb2ia bdqk .dtwo wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits;odr dz9b od/iaq05.wktm2/b. 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. M a*s86 wb bnjuki*bk:u-: c3ngonochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent int*wbcb jg ::8-nsnu6 bi3kk* auerference 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 zse4nt,bs- o19*jb hm 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 and the zeroth-orde4o,t19jbh m*ss nb-z er 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, stritd 8ur67wu * ;qv1iyd lc7unv2kes a plain piece of glass at an angle of indv 2rdciw7 8u7; qvtuln61u*ycidence 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 blue light (wavelength 480 nm) and red light (wavel w1u uz cxwg-1c. ;vil7b1tak-el1xwu1 tgbc ;ia 7 k.cw-z-1uvngth 670 nm) is 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 widthp/ :sc+c:j okdlesywlx)+33 v 0/ay ir 0.20 mm. What is the angular width of the central icvae/+:o/ r)cx djy+l: lwskp3ys 30diffraction 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 by1lewte;9 x2wide, is illuminated by light of 550 nm wavelength. What is the angular separation bbxe y1l9;w te2etween 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 in(g;90+cf+:6ir9 zpd,ekvgds ro dadhcident on a single slit 0.75 mm wide. At what distancs9o r :h9gr;0d, z ( gfi+pddecva+kd6e 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 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 wide and th5) rotifb0 w1qe diffraction ib) f1w0 ot5qrpattern is 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 dfp/ 85 dl.tetbo ,zpi1- bvfwtyb;u0.x:n8b a slit of width 0.300 mm. An observing screen is placed 2.i0.1btl-pepdyou ft.x5 z d/ fbv8 ,bbn;: tw800 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. (i0oy fqet,q 5An observing screen is placed 2.00 m from the slit. Find the width of the(,i0qqe ot 5yf 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 p)uk ng-g/ssz0 ;mck. ker centimeter, its second order maximum is at s /mucggk. )-skkz;n0 $62.4^{\circ}$. 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. Th h4a,wirs4mcsuc*2u6e angle between the central maximum and ths ucs2wu446*ia h,crm e 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 bbe 1m po8wc(0incident on a grating that is 75 mm wide and ruled with 50,000 li8owpb cb10e(mnes. 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 nm wavelength produces a first-orarh in)2+iqboshbr )n /j)+;yder maximum 0.350 mmay b)/hb;+2ri) )nq +sr johni 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 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 ruled on it dt)j lmp4 h);pa+5b)gdb. skowpk m:3. What is the angular separation between the second and the third orders on the same side of the central ob)t.) ;w:lmpkaohp kd smd 3pj5g)+4brder 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 a grating. If the grmur,c h+2h7*t ikg6i zating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in, *zrh2i kuth+gcmi67 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 grati 0 kq,okvl3 f9m.+x:zooj 9y fcgh)j7fng. If the first-order maximfkyjv)mfjo: olz,3 g0.9fqxc +koh7 9um 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 wa0 z2 g *su9yrdo(d9c;bj 5ojqhvelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pa ;(b9go02s5jc rz oq*dujd y9httern 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 wauv w+i0ar-:jyj c6v7 lvelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pwyc+jjr6 a- i:uv70v lattern 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 anotd;j k v,sk7.cxwkv+2 dher 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 vwkd7d j,x+s2v; .cvk kiewed 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 p sd75k rbyeyh 8h4k28of refraction of 1.33. What minimum thickness of this bubble will ensu b8hr4yy5 8sk7pkehd2re 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 il 6.8*cow 1j;hsm vxkkcfuus4 9llk 9.oluminates a soap film ( n = 1.33). What is the minimum thlvkw9f*co1hcsxu 8 ;.mlos 6u4.k kj9ickness 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 nonreflectinjba*:x 1ly2*kx) e4*egph irog film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 51 xgejibk* x4 *o)phlr :ea2*y00 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 lighjo6p+4 )ni+6a sqyqsrt ognmb:r e6 8*t and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred *pr +n4 jssa:otqbr6) n+ 8oiemg6yq 6direction 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 dirc ez, e,nmph.aa2fp5-6uq guv 6 j6cl)cb 8c/hection 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 lihp(ae(4p1 x feght in air strikes a flat piece of glass at an angle of (p 4f1ex(phea $57.3^{\circ}$. 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 isj;( jlh7bqzu nxo2,+t 9:dz th passed through a polarizer-analyzer combination. The transmissio2 o7ulj, 9tzbqxthz: ;hj( +ndn axes of the 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 reflectedg ii: :lx, bu+arbj,/t in calm water is completely g /bb:+,turx iji :,lapolarized?

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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 throu*a /dz6e xncpck q ;r1kriv+jp/ 37q+ugh a polarizer and then an analyzer. In this process, x3czj/k7pr*v pqq e+kd1/6 r i+nc;uathe 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 polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light travelin8p;(t9 asidm,wjgc ub 7h): rog in vacuum and reflecting off a piece of glass of index oft bi;r cp9doauw)hj gs,: 8m7( refraction 1.48?

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