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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 principlu s5fccp 3ny-h5 vz8,/mn, dpqe.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a false statem 6w v4myngmtiwx84e8 c)k*h d7ent?

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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 ligs)cr q/fhsa/ zf8z6- rht is attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is p;bjnm8bl; 6y 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 entersmm i20g1 b*fo:y/ fc:oszr9pd into a medium 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 air, enu/d ji0;.)kay6/mami-d ych lters a piece of glass (index of refraction 1ahd/myyl6i;akd-c m0)j /iu. .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 traveling in air, enters f7m*,qa+zfp ha piece of glass (index of refraction 1.50), its + qz*mafh 7,pfwavelength

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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 6xsqhfu 5i4 c*p;hnzx/)kwpv( yjx2+it passes through a narrow sz2pcxu +*hp ij/fnx vwx(k 645s);qhylit?

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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 objectsvp3 s om2.:+eu6qjs wg8zpea, such as buildings, whereas light is not nop2wu6jg,p3ms8s. q oa: evez+ ticeably 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 ux :i8h 1 h pcst-z)h3g8l(erebands when light passes through two or more narrow s3:18es)htrec p 8(hz ighuxl- lits?

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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 toopf+eb-zwt;;, 1h74 bi gnsys 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 ynzw/f;n)h s) striking a screen are in phase with each oth n;n)) zw/ysfher?

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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 tra jp+18ix njvd0vel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the tdx0jn 8pijv1+wo 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 ths8s7i zt4 7jq71knyco xim 9x3e maximum destructive interference is to occur at point P, the two bc xi ny 8zm7 q7xj97i3sktso41eams 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 tcxf) 8 (qbgqlddw k9 /jxw m dsk;7n;cx(7(,lof the central bright spot in a double-slit experiment, light from each opening ;d,xnk8kb /() d 9qlc;m( (l77 cqgsxwfxtdjwarrives

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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 iy u,w9, ndcfe*n a double-slit expncw9e *d,u ,yferiment, light from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the cp +ym,ipk7ylzf/yli0hr0 ox/ +5md7g entral bright spot in a double-slit experiment, light p/7 yximlkd5rm,7lyo+ 0hgif +/p0 yz 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 sd y-3u wyvzeli0 hcp6g583g zi+9sk7t eparation between the slits decreases, what happens to the distance betwe vg3e0i-puz9 3 lwk6hs+yct 85ydi7zgen 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 is observed that the distancws1*p)zl .qj bk fv-i*e between adjacent maxima on a remote screen is 1.0 cm. What havpz f *j sli.-*bqk1)wppens 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 +8-u*fkjv ockbvt* +i light 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 Youngva/aeh9k oug( ywq7);l b r-nh*vo.l ('s double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obh(vu.a-nbll )e h(g9;wq o7o r*y/ avkserved 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 fring7g n81( tl-;mvxjgnzdes in a double-slit experiment if the separation of the slits is less than the wavel- gtj7z1mnv ;nxd g8l(ength 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 between9jn-/u 1fiathz*m dr 22fj)bg adjacent maxima in a double-slit interference pattern using 2tz) 2 1*ri9m-f ngjhdufj ab/monochromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a pr-w7p5ns d)s8fpvqjiq1 .rkt *ism separates white light into different colors s.r8 pd*ks7-qqt1ni wj 5pv )fis

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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 u(pf0ivkv /34hwrf h)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 nu 8l2 uxm-jnk ndj;s(8m 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 750n/afz,ia qq 0 a7p1x,s 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 when pvx8(/ b jhrwr.vo+7)w-ya r fmassing from air to gr7xwm(/.f o-j rvway)r8hb+v lass?

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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 wq :ox)fowv3 ob/ru5; to glaso r:;wqoo)u5wx3/vbf 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 glass plate with parallel3jd *a3lhq3 ewvp4v b1 sides, at an angle betwpj 3*bhd33q4aev vl1 ween $0^{\circ}$ 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 h5+r,qagik .zws)qsu 6olds up two fingers, with a very small gap betwekq gz, us.riw+ 5)qa6sen them, and looks 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 4qhe .gday1ob+l umgir4mi64 zc02u2 width of the slit increases, what happens to the width of the central maxi4ega mdz 1m2.r44hg0uqbi2olc+y ui6mum 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 an.+bmtv 20agzbpl(2wjyzs m-, d the other one has 6000 a(m0 .pj s w-2ztblmvyg z2,b+lines 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 seu5;bp e723 n1rl bqnpfparation, 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 betne3r; f up1n qp52b7lbween 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 sx r -bvxumty4-c)z i/5d: 1qtflick 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 8finodm1e32bw y:k 2 imonochromatic light waves can interfere constructively or destructively, depending on their phase difference. One consequence of yi3o1 28fnei2 kbdwm: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, wp 480emt0 q 4 fgspft(n3g fg1pk)zs5 pcao-c1hich is traveling in glass, strikes an air boundary, there ip4 afpt 51sf)q4 p-8p1cc00 nfo tzegsk3gg(ms

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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 by a g3tz7+b d sy eu:p5/y7vl0nsjf lass surface, thevu enf/7l: jzbyy0 5pd +t3ss7re 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 w c,:y)cp9iqma hite light. As the film becomes very much thinner than the wavelength o,a9 mc)cqypi:f 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 fluori+0umyso2b7cih;/lu bc cw yt3 0,,szfde, what is the minimum thickness of magnesium fltsiby7wc schyz , 0 u+3f0,l/ocb;m 2uuoride 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 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 glaf k:4xedu, f9w lfw1axiz* v)4bhtb+4ss 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 exwf vl:ziwxx *9,fk 1ba4)4teb+ hf4ud act 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 responsible forhq59j f lpeznf1;i*s 5 the fact that certain sunglasses can reduce glare from reinq *j5;flfs z 1e5ph9flected 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 ofv21,ynj+cdx6cb v(qd polarization 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 tihevpc4(whj dc59 6. to obtain polarized light in a dichroic material like a Polaroid fii6 c(.vd twe954 cphhjlm?

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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 peor,.,iy m a/-fm z6xzkrpendicular to each other, what is the percentage of the incident light whic,-, mf /oi. x6mzkzrayh 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 lakeyfn3of ;eq2f vd;+a/h

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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 t8(d5hqjv zz3r3 k/pris 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 diffraction NOvkg 7;s2. grus(xq4t3 wmr d)wT 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 xidfori+,vj3hh8, 29 +gfkaz0uukgl6 5ikg - to be more blue toward the zenith (overhead) than it d-g3,hko ai+ufv zg58 lxkfr+69 d,u0 hg2i kijoes toward the horizon. 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 wavelength of 600 nm in a vacuum. It passes into glass, which has (t2 q8hg/uwzhvg(7yian index of refraction of 1.50. What is the wavelength of the light in th7wzuhg (i8 g yq(h2t/ve 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 iunt/8ub3heih+6g b 0index of refraction of 1.50. What is the frequency of the light inside the h ie/3u8 n+t6h0ub igbglass?

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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 inw 18nq1 lue;. m hzki5r3ylgs7 a vacuum. It passes into glass, which has an index of refraction of 1.50. W1l iq1.um whz nyr3k ges7l;85hat 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 fop0)(t) 8tligbcvd e1 eund 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 founy+g1n13s s l u*unfs+ld 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 57 nc)ha (m(re(c4alvx 50 nm 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 y(6-mzyr.p snj90ns t*mzi g ;mm apart. Monochromatic light falls on these slits, and produces a fifth order interference frin;*p6s my szy- 0mj9n gn.izr(tge 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 donezvx( 8aar6wm e 7n a26zlp zk9)0 oeet2wo20uble-slit and the third order bright fringe is seen at an angle )6(pt kval78a z962n20o a0orz 2ew z wxmeeneof $6.5^{\circ}$. 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 sw7 e3 w;ylllfr /u1(rilits is 0.050 mm and the distance fromr l( y3l;w1r/ ulefw7i 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 slit iz891lr 9: k 1ygvya(l1 rn.ms 4chunfseparation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate 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 coin19f18u hgm 1lnl ik syn(4yazr:v9.crcide 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 wavelengthcpaun-) d/jn3tpt l8tsae7/7 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adja tl/7n-/d p a8stetc ua73pj)ncent 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 slitr1h yzo 9nv1j; setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation betwezy1 1onjv hr9;en 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 wavelengrs;/ fuw/ bl3*agguw 83ghnz4ths, 480 nm and 700 nm, strikes a plabh/3 g/ *;gfa3g8nwru 4zsl wuin 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 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 lightq6vfe n9.jl od8-nj3v (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thic-6vqj 3. vjenf98ld nok 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 width 0.20 mm. Whgkyq(l1- qjm fk +c2t-at is the angular width of the central diffraction pc q-jqtyl- (f21kgmk +eak?

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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 illumina wk)y.hj* jdx,ted by light of 550 nm wavelength. What is the angular sep,yh.j* xjd w)karation 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 sins 4l42vxsgoi1 gle slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the dx12s4osig vl 4iffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.b, dld uj9(h:zzb1 yz820 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the cenhljd8 zdbu,by91 z: (ztral 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 c(2n2+-.jpziypz7ryg x +ybc v pe-k, slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Finz pyi r-xcgyb++2k v2np ,(.c7-ejpyzd 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 inciden.u +1obge kb/i,(ixjf u*,yhvt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from h ik.1ji fb(yx u,ebo/,g+vu*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 cut/l2.4xqsj q entimeter, its second order maximj4x qqus2. lt/um 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 c/nalyh g.- b; .i+dbcem. The angle between the central maximum and the fou. /+;a-bhl cdbiyg n.erth 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 and ru smm54rxp7:6apbi yw 4led with 50,00 i4 4m7wbp6asxpr ym:50 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, light of 600 nm wavelength producesx2q0vcmr18 -sk ezg (c a first-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 it passes through the same diffraction grating. What is the wavelength of the light from the second qc -mz0r (ecsxkv18g2source?

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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. Whdx 9ewm z(h fla *3mvw,fzx2na 59*rg*at is the angular separation between the second and the third orders on the same dxzwaf 3e92xnm*w,gvr(laf m h9*z 5* 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 intbzpm:ch k*0+y o spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light 0b kh*p y:+zcm(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 v-f(ga -ie enkx 7/d/gpb6c*h nm) is used to calibrate a grating. If the first-order maximum occurs a / ge--(idx fh*bce6kvpng7/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 wavelenk3c1 k4tk kyd+gth 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is obser 3k yt4kk1+ckdved 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 i90fh7 7wuuydj050sam-j n by js incident normally on a grating. If the third-order maximum of the diffr-nd5yuu j b0j ay70jwf07sh9m action 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 b/gnx-f,gib+ pxu4n h)w9,vc separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How fn4/fx i+wg)b,c-v,xhbn 9gup ar 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 of 1.33. What minimum thi z/0jfck-drc 7ckness of this bubblejk f7-0d rzc/c will 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 500 nm illuminates a soap film ( n = 1.3mq00bwf oq(0y 3). What is the minimum thioy0( mw0q0 fbqckness of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = 1.3kh uc ,062de ovl7 :iyz.myla-0) on a glass lens (n = 1.50) for wavelength 500 izo7yul l.vc:d-a6 ,hk e02ym nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized lightpk 34ge: stlhd;s j+ce 1by((p and the intensity of the transmip+ h:ey1p(gjs tl;( ces b3dk4tted 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 prefhmu+r m4n;5 bperred direction 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 strikes ajm q+tqi +,-mx flat piece of glass at an angle of qmi,mj+-t+ qx $57.3^{\circ}$. 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 thhlg+x5itfefj96+3gm 8 c0e6 e 0x:plhlixsa *rough a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer areefx3 ge+ metflc ii0x65s*86p+lxl 0gah9 jh: 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 mzolf)hs*7fkbn ( mie(32uxbj+el 7cd5 .4zf its image reflected in calm water is completelycbe)7l i*ff(2nue3 mx+ld5bmjs4zo. ( hf7zk 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 throug5 + vu1(u3 qwbqsybjdnbt)-7ah a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident wbqq j53ub+b7v usyan(t)1d -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 re6r5g voc+wk4m4rf v v)flecting off a piece of glass of indefo)gvck4r 6+v 4rwvm5 x of refraction 1.48?

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