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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 principleaiztsk,e 6cn:lyf01;+7o elc .
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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 iyf+dhdd6b -,)vy;ti js a 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 attrinc*fy sb5bh.: buted 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 ofmoj9 xc 3-,p9fw.z 5,luufr du light is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a w7 uli5mus2/ xv2/alvp;0 zr wmedium 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 traveling in+i3wak 6psz p7 air, enters a piece of g+ izwp sk63ap7lass (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 (wavelengtv;b +fftq.x 42; 34uhha9hs ojd2dbtbh = 590 nm), originally traveling in air, enters a piece of glass (index of refracdfhj4+ fvd; q.xa39 b2 bou bt;ts24hhtion 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 reca b2hz+/p lyj0q6f ,+ /xgphysponsible for light spreading as it passes through a narrow slit j 0+ yhypbxf/26c+zpahlqg, /?

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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 as buils0 3zme8qb:taq.y i 4xdings, whereas light is not noticeabl0a is4e y8t x:q3zbmq.y diffracted. 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 alternating light and dark bands when lio(hf. ho pg21o7lafmjpg46+ aght passes through two or more narrow slih4ao6.hgmo(a2 f pog+f7 l jp1ts?

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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 thn-8k nlu0nbrew(p* 2 xey

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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 sjlhfwd v9/d0ouxd kn+ddv5.u7l;. c0ay that two light rays striking a screen are in phase with each n7k. c 9/uhlj ;v vwd f0xdl0.d5uddo+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 ln2e5kk9 h-7 qcw o +gv3bqwf,yight travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two be,-kqg5 vwqw+boh7e 3 cky 92fnams 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 arriving at pointg-q)i* oy /d-)5 seij8traltu P. If the maximum destructive interference ire)udq ) *ia jyt sio-5t-/gl8s 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 oga7iy ./z8c+cga9qa :l0sgyun either side of the central bright spot in a double-slit experiment, light from each openingz y :8c.7gay9qa+slgag / 0iuc 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 spot in a do,c(tbz;nixihf*x264h v4 hrjuble-slit experiment, ligh2 f4 hni*r ;(4t cixjx,h6bhvzt 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 sc: 1v103vgl z/wg*qbo.tdabhide of the central bright spot in a double-slit experatv:g3z1 ob1cg* bq/ vwdl 0.himent, 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 experiz 3j 8/l9inzb +xhrh)jment, if the separation between the slits decreases, what happens to the d8z39nj +)hr/bzil hxj istance between the 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 +pj2 laq)rzc0 ufa( v.is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adj2czjpvaf(0ru a. ql )+acent 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 travedjsxxvwbzo4 s- 042u(ls path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives at a pointinc x vho j/u6l yyvvc4.y0.:+jsm +iboo-06c on the screen one-half wavelength behind the wave from the other slit, which is obseim6vjc+/y6 xvb0o-shyov0n ocuy.j i. :l4c+rved 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 interfer7q --6vn xgg34pj dbrmence fringes in a double-slit experimen 63pjqd4mgbrxn v g--7t if the 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 adjacent maxima in a dey;;gz1j o )s4t)uk)+pwy k:2teimy louble-slit interference pattern using monochroma :4)kyk wei2yj)+us 1pmtyeto lz);;gtic 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 explainfb1h0 kei 9uv27w )i2cygt4p rs why a prism separates white light into different colors ig 9r7v2)h01i upitfcey 2kbw4s

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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 af82hlcohnwi f2t221,s8 ;d +vsay uh s 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 slightly shorter than 4tkmi4xn)i+h3gjqm 1400 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 slightly longer thanryx72:nrb s);z e2as q 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction whgch cd 6e-x7 4xw-*dzs+asd(b en passing from air to g ed7* xsc4awds(hg6x-bc -+ zdlass?

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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 ,g5,awnor0t ev-2) blmog0pk smallest refraction when passing from air to g, pr0)ovg,ekw m5no-ba g2 t0llass?

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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 parqavwpniplf 28war) xh;9/ (p5allel sides, at an angle betweenwrqax8v )w;a9l/ 2iphf5pn( p $0^{\circ}$ 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 jre vvem 9nrvc84+sg :7 lq33aholds up two fingers, with a very small gap between them, and looks at the light+3r 4j7 9ler svn qv83avmge:c 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 diffractio dyn381mzw e7;om6jy d3 2ynugn experiment, if the width of the slit increases, what happens to the;w13zod gyy jdnn28m6eum73y 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 grati8jf kakls .26o/jsz0d z)cdwev2:*h x ngs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a stateme:v k0l.6j2 d )wkze8jhco2s/dsx*f aznt 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 w95e8b 7qpsmmlith the same slit separation, the only difference being that one grating has 3 slits and the othere 5pbmsl 9q78m 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 caugybtftl *)whji4.v 648uf 0.kq: hodssed by 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 can interfetf 2i8m 2s p(0akmbwh6re constructively or destructively, depending on their phase differencemk2w6 i80ts2apbh fm(. 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, :6 lpup fa7d9fstrikes an air boundary, there:7pf9dful6a p 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 travelingy:qjs*a49*+g:3f xynwlq bdn in air, is reflected by a glass surface, thld:qq:4+ x *n3b 9ywf*jn gaysere 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 :ek5yb,azf/kj4hx-yk6w b0v becomes very much thinner than the wa/5zjb-b0:ekkk4xyf,aw hvy 6 velength 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 magn r;ava x8vl.5iesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-5x .virvl8 ;aareflecting 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 a v0; 6i; owqj b6ms a7*+ijchebflat 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 lenssie vh* oj6 ;ab7q;+iwj0m6 bc 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 ca/ord5l hyr4c/h 5r99tbf )piyn reduce glarep di99h r yb4/ct5 l)yorhfr/5 from reflected surfaces?

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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 polarizatioirjwshmzzz5+3j 14 6-rv-cb*r) kkh x0rs.ndn is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic4g i 7m*m:k cl/iwlni, material like a Polargkliilcn :7,*/4wmm ioid 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 are perpendicular to each otv(z) grk3 ob7fher, what is the percentage)( kgbzv7 r3of 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 a lak.v3zm0q-)s sidms m,ae

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is gr5w3 .yoss c5xf be5lp(eatest 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 i,vn--nfaap/q9h 9o; if1.:qb)h q5tplqzsp ps 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 toward the zenith (over0s gqym1)yh/x zg5u e4u8- knchead) than it does toward the horizon. 1qym8g4nucuh yek/s z5 g0-)x 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 wavelengfybwu5 cw139)r8)zzpn c0 gcqth of 600 nm in a vacuum. It passes into glass, which has an i)5z)1cw8fw 3 9ugzcn0prycbqndex of refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which hasg:sp xc: seunvt ccf;-0xu57 : an index of refraction of 1.50.n0stcpf5x- ::7ucg;cvux es: 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 wavelengthi4e *pbno:)l a of 600 nm in a vacuum. It passes into glass, which has an index of refract4eb)o iapl *n:ion 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 z 5f-wdg; jzd7piu)9k)z l0qgis 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 n hzx /vedm gh41hm(+(nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 n*utky73 ymrecu k(ib,5*mnh 2m in 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 light falbmp(h-ju e 6u 4.ki2azls on these slits, and produces a fifth order interference fringe at an angle of 46i.kb(2 eumu -ph ajz$32.3^{\circ}$. 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 x vovpe3 ya5; ujo7h8+f0*reethird order bright fringe is seen a7*oyovp je 08vu; 3 xhea5+rfet 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 separaak2 pqom t9n8:tion between the two slits is 0.050 mm and thm9qo:tp n2ak8 e distance 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 s 7/ )9rmf pzm7x ;cknssgkd6i3lit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen pfdmg;nmsxs7c93k6rk z7 i) / 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. Monochromatib2agcju u /9-bc light of wavelength 634 nm falls onuga b/2-ubc j9 the slits. If there is a 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 /*ndqgldm/3m a 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 doublqgd*/n/d mml 3e 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 hk,tfk+0z10 *lst 9vh 8bpqertwo wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle 0 tql sph z09+ekb8ft1,rh*vkof 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 consisti j yrcyd1itrgu;vc -:0p.3b5f ng of blue light (wavelength 480 nm) and red light (wavelen;u-yt3 10r cic.rdfjb 5: vypggth 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 o+tbui(e3irtyqqginz x+.an 5 p5/7/in a single slit of width 0.20 mm. What is the angular width of the central diffraction peakr55 ni tg/e+7 a(tibqu yizp/+.in3xq?

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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 pnnv+vp4u x8.- yezw 6mm wide, is illuminated by light of 550 nm wavelength. What is the angular 6y 8e un+ v-.vnpx4pwzseparation 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 single slit 0.75 mm wide. At what 9hah zqge *h2lmn ,t384g hgus:thw+1 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 tuq9h *3 e2m+ztg sh1 nwtghh,8l:4ahghe 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 0ar kr d*gnkbx3iw)4 jl4ih9:610 nm is incident on a slit 0.20 mm wide and the diffraction pattern is produk3bh r xkda4iw l 04*irnj):9gced 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 a slit of wiior91;f w qu 2gosbz53dth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find th2w1 9f5gzsrqbo;o iu3 e 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 width5igdt 1.ir u a-m/aj4d 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centrdagum 4jdi ti51.a /-ral 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 secon/rwqv7 gwqwe+gq-c1,t*g, jh d orderv *jt7+e wqgw, grq/ w-h,q1gc maximum 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 anlg(9zwjd8qk 9jrm,wnubn 6i: : iuz6 l;;dco2gle between the central maximum and the fourth order maximum is b:q uwulg j ;6zjmrcik9(w,i do:8z2;n9dn6l$47.2^{\circ}$. 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 :yhxp5hq 1 pvv2,vvq;is incident on a grating that is 75 mm wide and ruled with 50,000 line:vv,qvph v5h;1q2p xys. 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 waven5,glh1d2 ta)yr : denlength produces a first-order maximum 0.350 mm from the central maximum on a distant e,)hdr1gndnt2 l5:yascreen. 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 600 h;v 5pqbc vy+hf(had./;qso-0 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the s/ q;; +hahqbcy(-dosfh v5vp .ame 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 gff4 ou8auz..fgz;3wcv;a nw 4rating. If the grating has 2000 linewa; o u.z3g.fvfa4 4fz;8cnwu s per centimeter, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is usex5 9)l)tepvred to calibrate a grating. If the first-order maximum occurs )vre9e5x)lp tat $20.5^{\circ}$, 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 nmw6lksjl+se u8+ m)xe5 ;o -hay is incident normally on a grating. If the third-order maximum of the diffraction pattern is observ;6 8xj-wo+h)u+me s lalesy5k ed 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 gratcrzc5 8ap5q 5asrf7+d ing. If the third-order maximum or f arp5 +cdz58acs75qf the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass zqts2 kid l)e n5tv(+xk zk9)3plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelenkk n+ls9 5zz)ke3dtvq x )i(t2gth 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 0c* eoo 0)jp61zd 96yrlod/lfj l2 opsrefraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nmjc dp0fy/2re9 jo)0* ozd1poll6o6 ls 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 5h*iwa8ws,ga:k dm1cl)x-e.b7z5w r x00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an*:ca dxb.mw z wrixewl8 s,1a-)7g5kh 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 nx-hjk)a10r;ju ,. i/zm)q7muvl 2jqkb u9 hbgonreflecting film coating (n = 1.30) on a glass lens (n = 1.hb1zvku)m0jlrhuqm j,)q;j k-a. 9b2guix7 /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 afx8m9jf x/9a e:qpw4 in a beam of unpolarized light and the intensity of the transmitted light is 1.4q:m/f8aw 9 e9xjxfpa 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 directise+ckr y.. j-*pi +rk,mh- h2j3 jlwrqon 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 strikv5ogl.k1* tmb)e;nc6 z3 4db + wcrjkkes a flat piece of glass at an angle of 5 1)c*e n64b+vkg;cbltw.3 dkjozkrm$57.3^{\circ}$. 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 txrctbq o9*am9a1.a h 5ransmission axes of the polarizer and the a*mco 95hat9bx .q ra1analyzer 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 issfhv8o 9c *sf9 8i-vui the Moon when its image reflected in calm water is completely polavis9*ifvohuc 88-fs9 rized?

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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 throd3-;1v 3m r mwwcejjw(ugh a polarizer and then an analyzer. In this process, th;- r vmdwjwj(13m3wece 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 traveling in vacuum and reflecting off a j8wsv.kul w;w5 1;hdj p;51kw 8;lwjdv whsu .jiece of glass of index of refraction 1.48?

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