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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 princgyvw-abbm hs2 +68- u6d.zup (fw7*rg4geb nviple.
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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 b q28j27 y e-/xfhuvdxfalse 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 attributed toyqef) ;) w/mxh

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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 atfjob9ay zg4n5s 9 5:3acxa0efia;u- f tributed 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 meds,kv b)nyq3g x7m+9d pium 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), origirc7qp4 2)fodtnally traveling in air, enters a piece of glass (index of refraction 1.50), its frefo4dr 2q pt7c)quency

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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 in air, 9yo4 t k ns*l8zi 0xy/3zfsdh6enters a piece of glass (index of refracz0*/o4yy8xizss nl6h t3d 9kftion 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 spr*nu+bjvi2fk 5 eading as it passes through a narrow *n2ibkjf u5 +vslit?

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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 such kd+x+g )in5d b;xyp3s as buildings, whereas light is not noticeably diffracted. Why is thisi+xn p5bddgxk3y;+ ) s?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands qz8ome oz1o1de .72ucwhen light passes through tecum oo 17q2zd8.o1zewo 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 areahc2zu 7 7 ebjx1+r;u8cn,1nx jqu m4r said 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 ray11;euph//t o 9zpd tzw1djn0cs striking a screen are in phase with each other1p1wjd 9ch tnuzezo/pt/01;d?

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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. u3+ u4w(1exp pbv)yry8vms4o If the maximum cormes148 v o+pb)4y( xp3v ywuunstructive 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 cyyq/,h7 z+ ikfp5r-x5 9z axdp6hk)mlight travel different paths arriving at point P. If the maximum destructive interference ishy ki6 f9q+rkz/-a,d5hz5p cy px) mx7 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)dfeon 6j gd+f 7,gr,p of the central bright spot in a double-slit experiment, light from each opening arr7o e+f ,pdng ,)dgrf6jives

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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 spot in a double-slit sopc h e;y )x2x:5.ccwexperiment, light fromcx ;y25 ws.pcehx:o)c 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 s1;lip82mr6gx +az7 hvij +k lmpot in a double-slit experx8ih2az6l 7gm r;+vk1+m pjli iment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slitscl v(lxp5.q v. decreases, what happens to the distance between the interference.l(5l .xcvpqv 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 disnc6g+ud;0b qxtance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxdn;g0+ucb 6 qxima 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 travsok vs +r,) n8d)yuwky6dl .);jbke+yels 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 3 vqyad0 pa4v95e o+ok z93ranexperiment arrives at a point on nyv a94q9k53+oava zr0dep3 othe 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 obtainjqe28:+74tn x )it-mmo hhk+nsskw j4 interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength:i+7shmheksxmnoq-n wtk+ 84jtj 4)2 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 intel5i, p7f1 racvw,;vtb rference pattern using monochromatic light isl ;cpfa,7ivw r51tbv ,

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light in 6+dv3sh lla;fto different col6ll+v d 3as;fhors 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 k j,or+0 2yktei +4qckform 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 callsuc(t2s y,3w:v 1 lvoo gb:yakv)3 yk5ed

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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 ,2yp9ga gl ,tv750 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 refraofinq fm9, g09hxa2s;6cbt+ fction when passing from air to glaxn+ctf6,fga 9 i2;mhs qf 0b9oss?

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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-. hxtg ep-yqcc:j45t undergoes the smallest refraction when passing from air to glass: ehy.gxpj cq- 5t4-ct?

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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 sides,qzao( :2- .c 1 nbwzlers.a5xtpon0e0 at an qa-c(wpo ln.z 2tner00: 1e bzaos5 .xangle 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. Ihlyka4- q 0h(d x.;af4c:zyr nf she now holds up two fingers, with a very small gap between them, and loy :a0qa 4c.fkdy;(r-n hxlh z4oks 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 9id-4+45exfp s5cn g2,dxu pkllry2 nthe slit increases, what happens top-pl g5 +d 4 2iyc rusen2fk4n95xl,dx the width 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 the other on3ha y,msv7k*p a m,k;xe has 6000 lines per cm. Make a statement comparing the dispeah*mxmpky,a s 7k;,v3 rsion 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 sameq+ o( gyb+k5bw 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 the separation between the orders. bw+(gkq+oyb5

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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 b .fkkv ridd0ear7 5,v fv)+0hty reflection 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 l duudwy1314fas t4 ;t2noti 8can interfere constructively or destructively, dependinfn ldawit2 4s4d;u3 1to1t8yu g on their 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, which is traveling in g9zmu(k 5afojn 1 *tfc-lass, strikes an air boundary, there c5tjm-*(fuf nk9o1 az 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 reflectibmgq96 b 0l 6b*c;hrged by a glass surface, there isqg0 mbl6b6 c9ib gr*;h

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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 4hat zuq 168ta:) gb8b. zokgxviewed in white light. As the film becomes very much thinner than6 k zb8zq )a b84t:.ox1uhggat the 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, whatibp)pz. .l.0bm-izw d is the minimum thickness of magnesium fluoride coating that must bi0. zwbdi lpp-)z.bm.e applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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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 agqf / n bk05f**wbyj/f 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 ff ng jb w/kf5*0*bq/yobserve 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 resplwq br+k+v :o.t64h7w fmu.ldonsible for the fact that certain sunglasses can reduce glare from reflected t:r4l7u.bw6wv .+ol +mdhkqfsurfaces?

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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 defined 96 dhle2nm+by 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 material slczy)9lb y:7 like a Polaroidlysc: yb9 )7lz film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films arh:i vka0 :v3 h4xy q3spwqcd+ )uo-r :s.0glvle perpendicular to each other, what is the percentage of the incident light which will pass tqxvqhl3wd40: y3 hir:oau0v.vs+slpkg -) :che 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 surfacex5+f l5cvy1:4ajf t ot 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 k.wc3 xjm9gud8(t* e jsunlight 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 diffryil 4bd d10+zfaction 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 the zenitr (ey, iliz. pu ir 3zm/bwv+yd6q+f-s 8pt)2wh (overhead) than it does toward the horizon. This occurs becqtui/r. y, - 6wsvlb3zrw e)(8pm+y2 p+ii dzfause

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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 ee ovght1 u:0k 4-am:sof 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the lighg k1v :u0me4eo- at:hst 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 vaza:cmly*k - o 8p9asmms6;g *lcuum. It passes into glass, which has an index of y;8:-gcm9l asomzp l*m*k a6srefraction of 1.50. What is the frequency of the 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 nm in a vacuum. It passes into glwzz d+e;jyu lrn z; +r)v7g60sass, which has agrvn;)z7wj ls;+u+dze r y06z n index of 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 found to travel2bffkvu* l7g /u2nhy: 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 aia k w. l9ifkzqlrbb q1-0aun/w42u)z9 r 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 inh5onn*gk9ei 1 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 mm apart. Monochromatic li1 zf.2u- jd2ga0qmu rkc0v 5laght falls on these slits, and produces a fifth order interference fringe at a -uaa0f z01v2jmu5 .2gcdk qlrn 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 do-j/ 9id d3omyyuble-slit and the third order bright fring-9ymo i /d3jyde 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 exi vwe-l(k o/b,periment, if 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 spacing betweenl kibo ,w-e/v( 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 wave*.w3*0sf7oyxd fjzx z lengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximumx.yzdfjf s3xw 7z0o* * 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 0.05zq9ue 2dbqvr 1 u3b0w-urd4y40 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is 1bwb0v-qrr 2u y 4ud4qd3 zeu9a screen 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 a sl+5bld 7vk8qkyit separation of 30.0 mm. The resultant b qykblk7dv+85right fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm, s-8jdi61yf-ag bj1 m5qqwjs- ktrikes a plain piece of glass at an anglq j-qsdaji- -b5jmg 168yw 1kfe 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 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 v )r,*e*r 0xt,ymsp bf1*q utr9odp*b*mn ic;light (wavelength 670 nm) is incident on a thick piece of glas )*peryispr*q0xmdf*n tr9o ,b m1ubvc*, *t;s 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. u utt.xlazg(a0xw:0l g0 l/x;What is the angular width of the central diffractiozxl:ulga /ug x w0;(txtl 00a.n 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 j q2dshbrch0z9(.q-h .p(dhna nn 3 x8wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side.(89qx jn2d n(dnz. r3hhschqb-a h p0 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 slitsp*pehuu f7ul;.)h ;u 8wtjd8syf*u 5m: mxc9 0.75 mm wide. At what distance from the slit should a screen be placed if thed9*hhs7f) :swmpeu 8u5ymu *uj;. uc 8plt xf; 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 sli0tacib62cg 5 5k6szjbt 0.20 mm wide and the diffraction pattern is produced on a screen0 5sz6j katbg 56i2ccb that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0 7u2k/hccly0a u,2mhf .300 mm. An observing screen is placed 2.00 m from the slit.c2l7,uu02 /kamchhfy 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 :d*xyaqm+ il(580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of m*d:lyi(axq+ 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 grati p2q1/ ck 6gz+ 4:ii+xwsox jcgwg/,wing with 7000 lines per centimeter, its second order mwi2isx1 +gk+i:zq gw,j/ /6p4co xcwgaximum 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 bet 22r)2zgejbt- yo8qr8eyzh s, ween the central maximum a2zje82qbzes ry8-rho2y,)gtnd 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 mm wide i7 /ww cy-scs /vq(pi:and ruled with 50,0q ic/7:p/iwy scw(sv -00 lines. 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, ligo ikb fiy6o;//ht of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a d6 fokibyo/;/i istant 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. z9qc(8x bxo:g What is the angular separation between the second and the txzx8 qc9bg o(:hird orders on the same side of the central order 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 gzt b 9;(pux8hbrating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear h;8 z9ubt pb(xin 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 g(1(f ykyd, v zcll8g/ntu4 -wlrating. If the first-order maximum occu v(-w1uz4ld lf/cgty ,(lnyk8rs 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 wavexcb k6w798(v l hwlo0zlength 500 nm is incident normally on a grating. If the owh6v80 l( lzxb7ckw9third-order 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 fust3yt, bpmgyj0cu2 ezk *n151d*2xis incident normally on a grating. If the third-order maximum of the diffraction pattern is obs2* u*yd 5z njgtxyb0 m12se 3ku,pcf1terved 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 anob y 8,a9)gvzrdther glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands vyb,rg 89da )zwhen 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 1.38jalev+9cw5f9k u -t n3. What minimum thickness of this bubble will ensure maximum reflectance of normally incidwc8k+fn9av5 u - lt9jeent 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 ( op2 ra+jstc0;.mptz4*ft) el n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident . pt2) l0ef;*ospjca4+rmtzt 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 = 1.30) on a gl8 8 b;t.ocrjwsass lens (n8;wst8b c jo.r = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of u 8rkf(l z;s/n8j t0ltsnpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotjn0zk /rs88sl;l t(t fated $40^{\circ}$ 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 rotarexc r k87ep p)))e3zhted $30^{\circ}$ 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 awys *6e-t:l j8 pqkb(fp/0n rl flat piece of glass at an angle of rke ljb-: *ql6(n/wt0spf py8$57.3^{\circ}$. 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 c*/ 9kfgj0)lz 1pg lxmjombination. The transmission axes of the polarizer and the analyz10j*/zx fgmlpgk)l 9j er 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 rdu8px4y84q 9y o6fds f5eoih3eflected in calm water is completely polarizeo8 yfpfxy 594e4sidq68uo h d3d?

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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 ;.t a tiiqr7wgh04*3 uixzn5ew-urr. gh a polarizer 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 isru*rhi-.qxw e.tr4wg ; t 5i0 nui3za7 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 a2xt;apbtm( c4 ngle for light traveling in vacuum and reflecting off a piece of glass of index of refraction 1.48?tcm 4 2ta;xbp(

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