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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 princ8.:skykudao wzln7q2p) a 8/ piple.
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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 avhv6ri jpr - p(7oq:)t 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 ii7k sop mo/cb, z/7f1os 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 attribut :)9ta7( iddyuowm(9 y qt8lgved 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 medium of differen pr*t4c+d+cmht 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 air, qe4a 836raraucw .a-xenters a piece of glass (index of refraction 1.50), 6w8e.4uqx -raca3araits 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 traveling ins7vl l lafv+,4 air, enters a piecvvf l7,ll4as+e of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreabpuu/9l bu*z o/f +x+tding as it passes through a narrow s+bluz*bfo+p9u tu/ x /lit?

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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 suc5qsb n0(.3drc uia6kjh as buildings, whereas light is not noticeably jk q3nrd(b 5i. sau0c6diffracted. 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 9tyqj tz0r9b*dark bands when light pasrj0 ty9 z*bq9tses through 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 ar9m7t c;d 4xvpbe 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 sf -wjoa fs+ef82os +945qdv ahay that two light rays striking a screen are in phase with each other?v aw 4ff8o9a2hqf+es 5-s doj+

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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 atjw 9hux20vbr( kl (nj: point P. If the maximum constructive interference is to occur at( 2 r(n w9uhkvljxj0b: 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 arriving at point P. If tsfrok s3 ny//-he maximum destructive interference is to occur at point P, thes-k/rfy 3osn/ 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 tghv vv v afmug7b40z 6 9qf;j;6w0vvj;i+2hh double-slit experiment, light z2f vw70h +h 6 mhvjv6;4vg;v9tf bjq;0ivgua 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 sl)pw uij32e q4ide of the central bright spot in a double-slit experiment, light from each opening ar )ulji34 2wqperives

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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 double-slit ;exhm,, h; kfzz3yu)p experimen3,kum z;, xh;)yhezfpt, 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 slits decreazit. ju zt ,mce;f2+ 6 zmd,s-gta.c6bses, what happens to the distance b,b jtt.azism+c c.z2md6,6fz;eu -tg etween 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 iukn ;c 0u4wiz3s observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between0uuncizk4w;3 adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travep 3q8d2x8ged.jdwik 7ls 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 jb6d2yn:zq*xj 3ns6tarrives at a point on the screen one-half wavelength behind the wavesn d6:6nyxtjq32zj b* 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 obtain interference f;86aqne)y*w v 3x ddllringes in a double-slit experiment if the separation of the)lla*qv6dxe n ; wdy38 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 *d8+u o40nss xdrc i9aadjacent maxima in a double-slit interference pattern using ax9+us480 dr*oindscmonochromatic 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 why a prism separates white light into differ4jfj+9h6q9gtt gljo+wgf 1n; sx*9 xtent colornt;t9sxht1g o9f4f x6+ j*9gjlwjqg +s is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to form e0ulvwvy*23wjiwm 9+ 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 tko2xhh,.dj (w han 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is calledri vhf vc+2rxh/cas+-x5x i2cnh;1 :9 -qiylt

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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 passing from air j z ghz zo02b),jo22ioq,mev*to go vjmij ho2q,z2zzgeo)0*2 ,blass?

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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 smallest refraction when passing from air tsb+ zdu yh6e/5o glasyu5z+6 /dehbs s?

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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 glas 1i:ou3: p8 ecqrtj9jos plate with parallel sides, at an angle betweejc3 :o oj9iepu18t q:rn $0^{\circ}$ 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 two fin )xw7mbhmo/o+ s0uq 1jgers, with a very small gap between them, and looks at the lights)u1 ohjmx7/b mqwo+0 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 increases, r1p;k66phl+thgaed 3 what happens to the width of the central maximum on a s 61akp;t3grplh+eh 6d creen?

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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 xb4ze6c84i7l,vxt vv has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispers cz,veb84l tivx 4x67vion 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 h2nz0r)j) ahnfei7 *rsame 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 statementai *07)hjf2zenhrrn ) 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 sll .:,sruu6 *il zxx:y vv(jp-tick are caused 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 6z.vt sf)4trkwaves can interfere constructively or destruct6t .rvsk ftz4)ively, depending 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 glass, strikes an air boundarom lx laio7(2r-pq )4ey, there ill7 a p(mxe4roq-)o2is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected be -j;.d:1:mmfkwl,o)r r(sx mzl 6keoy a glass surface, there ik z-mflr :wm:(oxjld)e ,s6eor.1 ;mks

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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 vx88)z ;yvnu poery much thinner than the wavelength of blue light,;yz)vx 8o8pun 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 wavele)e n.8jvkzomm)kltlc 9p r *-9ngth of light in magnesium 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 m.kt) mrkze-np ) 9l*98ojclmv agnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminatedbdiv wvi e66(uk g7e3yga8 v0; 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 glagy d vu0;3ek78(w igvvaib6 6ess 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 sunglassesx )ri+/fo7b :t px;edu can reduce glare7dex :ir; upx)f+tb/o 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 polarization is definetx,m*2ido eq 8d 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 li;dc hlq4g,)cwu8h +2f ng qc.qke a Polaroid film?2h ,;8lcqhwugg+4)c dqfcq n.

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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 perpendicu t)06;ize3gt o6uls,c,fl7 c-eg frzx lar to each other, what is the p;tf-3ecr zilug) fclzt0s o, 76exg 6,ercentage 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 o.blctv.rkgwy 7z ( rr,*zr*4g: p jf,hf 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 is greate he v c*9igi4 dai-,)dzawn,k)st 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 diffraction NOT e;d .i034eqjt kfdq y0mjqcz yq wtu qi8.3)3s(xhibited?

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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 towardfxbpi,u59:uks vm:+.fr0sifm,j n194wp fw x the zenith (overhead) than it does toward the horizon. Thvfi:,wjfmx rf9+wk9 104 up. fmnuxi5 pb:,ssis occurs because

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which hasa. nuyn2 6*xfl an index of refraction of 1.50. What is the 2ufxa.6 nynl*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 has an-w )yudb37rl i index of refraction of 1.50. What is the frequency of the light iu b7ir- d)3lwynside 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 m .en oe:n:g2jinto glass, which has an index of refraction of 1.5j::oe g2. ennm0. 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 k1votr)6vp+ q h/5n 8nrml*ai 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 travjlbm(* e xdpak ,4mv/mk3c9e9o cz(e4el at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travel at .wv2manm3rd c8)qexip a92 ;m$1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falls on these slits, and fl o /5zatlzikg9;4l. produces a f lfli g. zlz/k95ta;o4ifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 ne0 8kvuxb l 2*bsr8 lgs;)bhm0m falls on a double-slit and the third order bright fringe is seen at ax8bb 8m )kl0es;2rg*l bs0uh vn 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 bet-oo: - zcyu1pyween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing-y-o p: zy1uco 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 experi)lree s0r t8vui q 07-+bm6 wtm1rchy1ment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A 0 1 rmyrt w -es+e0v6u7h8mbl1tc)qriscreen 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 lightq*5evx cwmi g+sqad4r j.:;c4 j93ex f of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference*rcq4je 49 q evfxgxw:5m.icdsja+3; 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 o(lhk44ue z5q nd tde mym9dn(c7qg9*t 8c 49mthat has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on (4h8ccl 7(odqynmt5eu*g 4k9d 9e4 tdn mq9zma 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-2jo srqw8;uk g /08+a tti +xkj9sf,qjl6qmn, 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 at 700 nm. Determine the angle between the +t/ a-jkists uq9jg2xw,n8r+0 8;o lj mqq6fktwo 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 consi /(+s6h abwd1 ql6rjoisting of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident oqdaiw 6 +(l6 jbroh1s/n 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 widtnc vu8jl-x-5qh 0.20 mm. What is the angular width of the central diffracti 5x-vjlqu-8cnon 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 wide, is illuminated by light of 550 nm r qnq8b om5dc/ue/2/ oi+ev7g/pux f.wavelength. What is the angulbeeq/x/g8i m/2 o.ndo/r5 vu7u fcpq+ ar separation 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 sl2x+jgskd( )uj ,p s/ z* aiwqd6*)ckuwit 0.75 mm wide. At what distance from the slit should a screen be placed if the scux6j swdapi()j/d *wzg,kk+ 2us*)qecond 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 incideo o63l h(- hlyfyvvju)16cum8nt on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wvfu 3)jm6oh(yv hu o1-yl 8lc6idth 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 97 .xwyz/b-z oqib1x eof width 0.300 mm. An observing screen is placed 2.00 m from the slit. yxzq1bb xi 9z.-7weo/ 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. An obserb85wct.ywls9w )fy ) nving swy b)l9cs5 8)f twwyn.creen is placed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, r8ulm/rm,n :ja4 s6ytuu-4b q its second order maximum is at m ,ub ts/4a ur4:rum-j68qnyl$62.4^{\circ}$. 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 y9 bpzbg 0s94j3zf7ztiwz - 5yangle between the central maximum and the fourt4b ij9tf yyw0 5zz7pb-3zgsz9h 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 gratin7t9jiep sq 5.bl/2irwg that is 75 mm wide and ruled with 50,000 lines. The secon5j bt 9s.p2lq7rie/wid-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 p ha9te1z703cry xe0 vfirst-order maximum 0.350 mm 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 iacx v3 hp1t 0907eryezt 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 liuwcz r02tv zd2zk(.h *nes per centimeter ruled on it. What is the angular separation z w0.tckd22z( h *rvuzbetween the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 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 grats)x3k7t8dkg +tlcyd(2 zc,w a ing. If the grating has 2000 lines ,t y2wlg kcd8azdc7x) 3(tk +sper 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 used to calibrate a grating. If the first-ol9u- a cm20qn40tg 3qxqou4nec- (xugi/;srqrder maxim /9xq-cqcg 0uarqn4-im(n ;0xsqe u 3 ugotl42um occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. If ie+ rd4 .h/o9pu5ex jlhoy47mtyep d +h 4mux9rh.5/o47l ieojhe third-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 is incide ui8gwc.eruai2r4l bw q/ 0w,i2:oci.nt normally on a grating. If tw28lgr4i ci /w iciu.:a,bq0 w2eu.r ohe third-order maximum 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 cm long is separated from another glass plate at one end by af+))v xvf )sdo strand of someonexo f))+ v)svfd's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction qp 0wv1swp )p/of 1.33. What minimum thickness of this bubble will svq 1w)0/pppw ensure 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 56am8 l 0owrwv;m/mvt6-hu (ie00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film hvmauvml-/iw06o;8 mtwe(r 6that 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 ao ha5h/4xpr8b nonreflecting film coating (n = 1.30) on a glassra bhp /5ox84h 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 beam of unpoljv1 ;3ama*jv26d h(et .bw8cs5eelrxarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its s3br2tlx h.(v a56 jw 8em c1*dvaje;ereferred 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 direction rotated8eql(a m+k us3 $30^{\circ}$ 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 ht/); drms7ac9sa 6wwwo,a9qfz 3r;c air strikes a flat piece of glass at an angle of fs7mc sr;93cawd/th azw9, ra6 o)w;q$57.3^{\circ}$. 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. q9ffk*q )51egdpqx7iy2 d7 nknl)l4g The transmission axes of the polarizer and the analyzer * 2d)elq41f5k yn9nqfg7k7dglxp) iqare 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 d; cppi/+ap n+5v ysf(water is complevp;fs(p5nyd/ ipc + +ately 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 polarizer and then an analyzer. In this pro*od3 (ckndr2 qcess, the intensity of the light transm*qrocdn3k2 d( itted 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 adksvyp m)+(dzs l0 .3ongle for light traveling in vacuum and reflecting off a piece of glass of index of ref.vz+dslpdm() oys k30raction 1.48?

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