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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 principle jrbe.) g2wea/.
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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 autu,; rf /a5ek/uq*iq false 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 a.r4a 7vtryaq 8ttributed 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 attributed dk4 vv,rd8.y a8rv-3jfqhu 1lto

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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 differentu 4i dw7p: 4wio)rdr(t 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 (waq ;1jc o;di;7:ri hahuck2 1uuvelength = 590 nm), originally traveling in air, enters a piece of glass ;hidrcou 7k:;uahcuj1q 12i;(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 trabr3lim-+7y reveling in air, enters a piece of glass (index of iel3rym+ r-7brefraction 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 pra64(np y-sx* hk7 kcfasses through a narrow sli7s yhkxc *64 p(-rkfant?

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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 s-df wq5hbz.)e/,o6, mzvvadvuch as buildings, whereas light is not noticeably diffracted. Wm-)dqa, 5vdb,.ozv e6vw/fzh hy 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 alxhnten) b;k 3:gr5.vyternating light and dark bands when light passes t)3te 5vkhbrg .;xnyn :hrough 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 ss.1uchbh5m m) aid 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 scezmba51xi // oreen are in phase with each o z/i/beo1x5ma ther?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coheren0jxg1/pty4dr d*vdv3acb k*7t light travel different paths arriving at point P. If the maximum constructive interference k*d *g70ayv vd/pd tbr 134jxcis 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 different paths /.:sq rtl (qyb.aeu k1arriving at point P. If the maximumelbt. / .ukr:a(s1y qq 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 o;ptm x,9vnj3gn either side of the central bright spot in a double-slit experiment, light from each openingxgj np93;vm,t 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 eitd7m:7x h2 ,3wvanto rdher side of the central bright spot in a double-slit experiment, lightr dm,o hw2t:xnvda7 73 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 of the central bright spot in a doak) ex 65mk 8wwv30jfp .3wyfbuble-slit experiment, lig5jp w k)b03 a3e6kwmvf8fw x.yht 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,j(v;/u*bf uq x if the separation between the slits decreases, what happens to the distance between the inte fu/uv q*bxj;(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 observed that o33s shggt3d wg .) dx c*74ivdqo3xi(the distance between adjacent maxima on a remotix .7 odhs(wgscxq*3g33dig)td v4o3e 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 lig m+ )hvpe9;3w i46j3sbnyxf i2bf9glg ht 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'slh38w:;ajzf -d al6 sl double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which idwal f- ljla:8h;3sz 6s 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 doubl c4)qc9 ut*)tzzxu4qw e-slit experiment if the se*c4xc u tqz)4t9w u)qzparation 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 betweeno3hwjw/1 e y4x adjacent maxima in a double-slit interference pattern usi4h/3j oww eyx1ng 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 expwci+y hbkn;+rp5 : zo+lains why a prism separates white light into different colors is+wyn: or+hikp5z;b + c

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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 form iopzk oz(7 7,6 qdtl+oj*;q zvjk66u izs

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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 cn m a-1xtu 1u/1rnp1yzalled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength sw+:5m chq) mdaep2 mb,lightly 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 ;frg mza3ro p ):;icat4tz/j0 refraction when passing from air to glas3oacg4fm;j)t0 z ; /ati:prrzs?

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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 unde4o .q0z u d)bf4u4hfc 5iq08r c8tavkdrgoes the smallest refraction when passing from air to glass?dfr4q u40bocidk)h .4a8tqzv u5 c0f8

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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 parall9:rq f40obnhqel sides, at b90 or4hfq:qn 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 holds up twcdeka*g,7vsr8fj)h (ah t-o 3 o fingers, with a very small gap between them, and looks at the koj 3-)hr8a s7 tg *,hec(dafvlight 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 slit i3m5r ougg/ aqx8s 8ae*ncreases, what happens to the widrxoeg*5s8/ a8 3aqgumth 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 cm and th*( 6 cd10ty::f gi ql;0bnux+rmh po :hluti8de other one has 6000 lin 1l0x:r;8luou* hy:d+bgthidmq t:6fp ic n0(es 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 separa9k/lmm ):vp.s0seo opvv /)u; buhjss3 +:cgction, the only difference being that u ub+s0c lpm;)/v:v/)ck93j ho ssepmgv:s.oone 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 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 refb4xtax5ge;4g-bv g +blection 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 constructive8h 6vd1njkyl hq-ib9x;lnq/7ly or destructively, depending on their phase61 9n;xqq-j8hnyldi7 /vl hbk difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundary, ther*,d+0dybb w mc-ef-irerd-+mf-,i ybw0 edcb* 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)5nkras8px;7m p cvc- traveling in air, is reflected by a glass surface, x)c8skp a ;-vn57r pcmthere 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 becca)xs0 -rsjhb lm4,5(xfup5comes very much thinner than the wavelength of blue light,pr(ha-j5x xms, 4 )0ucscb5 fl 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 magneshhyycsmi8a. :qa.y2- 89bzm jium fluoride, 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 inthjy:9a-mq.z ab2 s cy 8my.hi8ermediate 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 f,0 0 ;klhh3fi kbpreg2lat 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 kg 0;3,p2 lehf0brkhithe 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 sunglah pz(v(sy 7e 9zao63 8vdlsvq6v1)h mysses can reduce glare from reflected surv69vph7h(vlq ys v()ma y o1zz638dsefaces?

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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 p2 x4d,(cebw dw3,za pit9eth* olarization 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 gtdv1rc8;j 0qa dichroic material like a Polaroid filjqtcg; vd81 0rm?

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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 36 hcm( f9k+pla0iy 2j dad9ajperpendicular to each other, what is the percentage of the incident li99dcaj yih+f603 pm(2kjd l aaght 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 pzt: 9b8 :b0goe5 ap4zcxf qw.surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight i*)r ry5+h u;ecl+leshs 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 diffractionrn78bb nqh(7f 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 e yqrk;4va6(b0ulka2 e (h/ybblue toward the zenith (overhead) than it does toward the horizon. This occurs bev4la;(b(ky/ yurqk0e6b2 a hecause

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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 jys;stuy0*.w glass, which has an w.;yyjt * 0ussindex 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, wbgq 0nhs833e (u0phby:3 gtmd hich has an index of refraction of 1.50. What is the frequency of the light inside the glasbd 33:h(ns0epqghyt 0ug mb8 3s?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, wh jbnh o+m-o4q pkze 7ago(81-qn-ud8kich has an index o8-kg(o-j4n7 z hp+dea1qqn o- 8bm okuf refraction 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 pr l/41b7*fuj:wabhd 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 travp8*n4me 5 ji+brg7mrjv0ns9 i3qcjs4 el 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 aiwkn ..f wz/ kaw ;cvsgetu7o797so:6 pr 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 fall;a9n rh,aueyw k4; qq l75u0kps on these slits, and produces a fifth order interference frinur;y7p4 elaqk;0kqw5, h9ua nge 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 brpdjze+ut s,*1b8 sb 0dight fringe is seen auzt+j b1 sdb*s8 0dp,et 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 the separation between the two slitsp c0zj b83qdk; is 0.050 mm and the distance from the slits to a screen is 2.5 m, find th3kp 0;8j cdqbze 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 expp8lr,v yx j1wje)3qt0 eriment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illum,v) 13 lp0jyrwe 8tqjxinate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavel hch4v+n7,p*lc nkaq7ength 634 nm falls on the slits. If there is a screen ,k*navch h7 lnq7c p4+6.0 m away, how 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 has u +)lnv rl6hpbxlf3.5a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the dou3 lub l +plrv.5)hfnx6ble 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 4kaui )hrp -(grr/6xu 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 r h-k6/pu)xurg4 a ir(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+y9e blh;3hd d light (wavelength 673dhlybd; e+h90 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 h34;uc4fx hk06ewzq4nfc13 kd*fwo fon a single slit of width 0.20 mm. What is the angular width of the central 1qdwco3 3czf0xuwke; nf fh4*64h k4fdiffraction 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 0xu:q,;2tkjn e v1s0hz.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation betweenx ;jnvk sq1t2h,u 0ze: 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 0.7xprb8 y 5 q;dvc:s9f:u5 mm wide. At what distance from the slit should a screen be placed if the sec;:fbv s 8uqdyxr9:p5 cond 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 invzbi3+p0h4 p;xmzir*cident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the sliimpz4bih*x+0 3v; r pzt. 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. ak4w: ,uhpjd(300 mm. An observing screen is placed 2.00 m from the slit. jd w4(akuh,:pFind 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 44tkw1 c*+r keee81*cbzyx,l j l)njxincident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centr *nl1rjlz 8etewj44,xcbe x*ky)k+1cal maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminate(wm bs (n n9ao-j0qvikm1f3k5gd6g )as a grating with 7000 lines per centimeter, its second order maxik (g)km6n(i0aq j9s f1agd-bmvow 5n3mum 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 ozgv9f s3ggeoi4 -rzw t:29j3j:zfr4cm. The angle between the central maximum and the fourth order maximr3r gfg2e3zv i4ztjozf g9o:sw- j: 94um 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 thbngch)5)pql0wo/fs3k. 6 d )owt9ybs at is 75 mm wide and ruled with 50,000 5opncyo b/q9sg)w )l6b tws fh.0dk)3lines. 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 proz i2j-,1 hrgfnwn7-x dduces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source z hnf, 1ixnwrd7j--2gproduces 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 lk8vxbav m0,or3ygp* *ines 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 when the grating is illuminated wit3*kbvva *8opy ,x0 rmgh 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 grating has 56c tfygb:-eyub .t:q;2ts zx2000 lines per centimeter, at what angle will red light (640 nm) appear in thcgyu b: 2;sx- tz.yeqbtf56:te 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) ivx+5 a6 w0simyub(c 7os used to calibrate a grating. If the first-order maximum occurscy wmsva570x(i+u o b6 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 gratingwjpg( +h y,f8ly,oj 4f :tw4ym. If the third-otww h4yyojm l4g8p,:(f+jfy, rder 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 normaa3 aiik ,zmy(,lly on a grating. If the third-order mkz( a,i,y ima3aximum 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 cmn07 a ee xkb45+b:so/tg7y*qczt ou8f long is separated from another glass plate at one end by a strand of someone's:b5a0ts7knue7+ gz *oty/ 4o xcqfb 8e 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 r wuh v,0kb:fpm 7.d-aw(ucg9g efraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally bw:mup 0u9kwh7g.- d (cv g,afincident 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 soap film ( n = 1.33). What is the m ulqvm:l,he;/xu 70r5nscv:o 0lht x6inimum thickness of film that will give an interference whenm:0x;vcs/0hno765ulr,vt luelxh : q 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 nonreflecting film coating (n = 1:+a; )y9-onof lefcu adn4 vc).30) on a glasseaud ;o9ccyfl)n+f)o-4av : n lens (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 bey ty.nen8dd(2am of unpolarized light and the intensity of the transmitty 8ndd(.y etn2ed 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 direchzdh58wylb5bt (+4 wltion 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 auz6tj/8 nh-+)q (8io fyq7tgi: lxgxoir strikes a flat piece of glass at an angle of ioy+h-qu 67 qifxx(8j 8to lgz: n/gt)$57.3^{\circ}$. 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 combinatio5iehbig: 61hw l, wwh/n. The transmission axes h61 w ei,/g5l:hbhwwiof 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 reflected in calm water )c 6sujb6 5(ltcdq( kuis comqd t)ck(6cj uu65 lbs(pletely 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 polarize09kzonb w mw-5r and then an analyzer. In this process, the intensity of the light transmitted is reduced w5zmw9kon- 0b 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 lighnh4bl jr*yyk4/yu;0)c 8a)xki 3jgebt traveling in vacuum and reflecting off a piece of glass of index of refractiob 484xy) eykk ;lu/0ni*)bajhrcygj 3n 1.48?

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