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习题练习:Physics Unit24: Wave Nature of Light



 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 principl0uec6dp m1xc, e.
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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 i 2nb7lzf ttp)/s 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 at 6s v.:n:tay:mxj 81 ovajuxzw;m/5jttributed 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 attributf-qt e-(t; az,ksn6t 3*clu xwed 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 enter6rre-txg mu* 8s 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), originam 6 bxye nh-)bdx b3-2i0.hz.cdg5d zwlly traveling in air, enters a piece of glass (-)xwy32xg056e.hd b hbdi.bcdmzzn-index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally travelin9sthy 7l j9*wbh 1ws.dg in air, enters a piece of glass (inyhdj s *91.wbh t7ws9ldex 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 rescw,/ do dqb3n/ponsible for light spreading as it passes through a narrow so,/qbcd nd 3w/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 such as buildings,6/ h.2tp clegke3wo 5qt 6o9av whereas light is not noticeably diff 2 5l/vwet9e.k op6tcoaq36hgracted. 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 lighsadp.qhk6(1 b u1s,mu t passes through two or more narrow slitsq,mu1aksp(1 u 6bd.h s?

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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 coc-oxj7ip b /b.herent 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 t) g0i,m+suz8ok fp0 yuhat two light rays striking a screen are in phase with each otuio,kuyz00gps) f +8 mher?

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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 differebxg8up5+5dpu it4 lm brk 0.t)nt paths arriving at point P. If the maximum constructive interferb.t5 mukb)x gd 08pti+u4rpl5 ence 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 light travel different paths arriving at point m +)c8;xwag zt*be*+owfmmz/P. If the maximum destructive interference is to occur at point P, the two beams mu xw m8/b+ t*wazocfm +m*;gez)st

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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 dou6a3m28o6b0ow eda 0)n xkworxble-slit expera86x0nr3baoow )d ek6 wx2mo0iment, light 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 side of the central bright spot in a doublh oc(qhiswep ;geql2()r- ,n)e-slit experimene)(s-hgq pc 2n;lr( hqeo)wi,t, 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 central brigo; 2bfcx by rd.d lw2/t9h4m-nht spot in a double-slit experimwd;bb fo2cn 29 ylrh4/ .d-xtment, 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 tgw;v-f:n) trm he slits decreases, what happens gw;t -)vf nm:rto the distance 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 experimenq98s)dk ippt4 t, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens tot 8pdqs 49)pki 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 lighn,0bb r w/a5ist travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit el p7p4tu66 /bf.hl majxperiment arrives at a point on the screen one-half wavelength7 ajpmtp6u bllf6/h4. 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 obtain interference fu1t6fi5bdop -y- ed x-ringes in a double-slit experiment if the separation of the slits is less than the wavelength o6iyxud -d- bo-1f ep5tf 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 interference pafi8uk.xn2bc f9,0 y wottern using , c nx08f9k oyiu2.fwbmonochromatic 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 fmz ml)1j*j6u/- vtmz different com t*lj6mm fj-)1zv uz/lors 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 t- bxan3 ekya/ 7+wm:kxo 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 shda1)9 1kx mfdonq;1r xorter than 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 longe/vtnw 1he/cms9.j5 cwr than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing f:ov gg9f q,wk)rom air to glass?:qv)ggwo fk,9

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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 6lb+pfy0x b+cne5br6f5d(hb passing from air to gla5++p5b elb6(h0cbn b 6ffdyrxss?

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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 *5pwlw i)v 8ltincident on a thick glass plate with parallel sides, at an angle betvil )wpt8w5 l*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 sh;xjobpo+a(y qm)4 /b7df9wzv e now holds up two fingers, with a veryjdzwbp+b fo 97) 4;a/vx(qyom small gap between 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 width of the slit increases,3y,u( io5o .pr2k vqfs what happens to the width of tksui,op r2qvo .f5y 3(he 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 onvysc v /m3o+-ther one has 6000 lines per cm. Makn vo3y-mv cs/+e 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 separation, the ;-zls,2rfrab q,m+ v ujb-,xbonly difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a b -u -r m2zr,sab +xljv;bf,q,beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by ref mtx.lzl;g l4: 2/kaeklection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constructively59 shcd -bzuiczh.1r ba-x3m ,* ufzp) or destr9)p-ac- umsbdz*h,1xuhzb i5 3 c.fzructively, 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 dwgf2 hch -4m6boundary, there hf 26cmgw dh4-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 ref 3f5/+izjduu2)6 -sfu to gqhglected by a glass surface, there is652fqh g/u)g3-jo u+tzd ius f

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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. m f2 e;.bzwkwt32 hrf2b-)hq o As the film becomes very much thinnm2qo-erfwh k3 .fzwb2 )b;2ht er than 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, whatrc42rg 9k cex( is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediatr x2r kc(e4c9ge 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 illuminated from abm,t7jfb 3b j-w)5tbat ove with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What doet) , atbb7fj3m-btj5w s one observe 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 responsible for the fact that certaie;r68eegu . p1tm2ll+a9v, v yzsonh5 n sunglasses can reduce glare from reflected surfaceu.1 2es8 z6hvn9;l 5gao y+ lm,vtprees?

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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 polarizatip i7lwjp3i(fnw-4x 7 uon 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 polad9/ eoiiemv0 z.5n46 rhy ucy;rized light in a dichroic material like a Polaroir ocu0;i 4d6yy mn.vhi/zee59d 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 afwis0f*e l)*h v)7s twxes of two Polaroid films are perpendicular to each other, what is the percentage of the incidentwt s)7 *lwfis* e)v0fh 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 h dt7lk/de5f5the surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight o;(as1e8 ir lnis 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 diffraaf9n.f*s app( ction 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 wo ;0et,3+u k: tyvrmnappears to be more blue toward the zenith (overhead) than it does toward tm:k0 r +oe v3tu;n,ywthe 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 passej-x5yugzyu6r x,k:/ pj5j khg;q:4l ys into glass, which has an index of refraction of 1.50. What is the wavelengt rk5;kjzg4yu::yjg yj-xxhu 5,lq/p6h 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 ismpxb: y8ton*54mi4w ndex of refraction of 1.50. What is the freque px 84w:*ybomit4sn5 mncy 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 lgu s -*/jxsfnp:1nn -of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is fjln/- *1xu:spsng n-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 foyo pgc.6/jhi xg8m4pq6sh5 y 0und 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 travel at 2g0 :xjz3ur xw$1.96 \times 10^8 \; m/s$ 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 5h1 n 9xu:t2wdz b;pwm8cqt9 l850 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 mm apart. Monochrvd19cz- rf1cr omatic light falls on these slits, and produces a fifth order interferencezfv1 cc9- rrd1 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 nm falls on a double-slit and the thirpny01 q(l-h5 dnlub0md order bright frin hn um(nq01lby50l-pdge 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 slok (o2skpb/r4)eip9v it experiment, if the separation between the two slits is 0.050 mm and the distance o()rkkvioppe/ s4 2 9bfrom 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 separation is 2.0 mm, and two wavelengthbxjspp pu,0xc5 ;m1h.s, 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 coincide with a brsb5cphx1p x ,ju mp0.;ight 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;x )mqwtks/ i) of wavelength 634 nm falls on the slitst/m)kx qis;w) . 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 a Young's d4 ezkvk:bon0 )m0(g ttouble 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 double slit. What is the separation between the third-order bri bteog4n v0mt)k zk0:(ght 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 aalfzcx+bxx u5q:f+w qb.kk(g* ow6*9 nd 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Df:(zl gkxx * f+ c9+quoxw6*bb.qk5wa etermine 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 9hdbw7vw t58p(wavelength 480 nm) and red light (wavelength 670 nm) i7 9bwv8d 5tphws 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 on a single slit of wip07 :txeigfmy ,cso79dth 0.20 mm. What is the angular width of the central diffracte7cf s p9g,m:yxi70 toion 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 nmq 9 8cp;rx;vci wavelength. What is the angular separation between the first two minima on either side of the central rx8;;iv c pc9qmaximum?

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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 z+e7jgr tqi:63phe 9twide. At what distance from the sl7qz i9pe+:hjtt r36ge it should a screen be placed if the 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 slit 0.20 mm wide and the d64iw/tt *:czj af9 gjyiffraction pattern is produced on a screen that is 1.5 t :wf jait6*g4c/zjy9m 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 0.3xaz/ctkj.38 t00 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from tha8k. c/jtt3x ze 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 ilajg-w )i-z 6vncident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the wiw-6- )ilz ajvgdth 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, itsr*5w dp/wh 3o/gr4 n toq,xzc+ second order maximum o 5wr*/qho+r /wn3gc,x4ztdpis 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 between the central dny(1c aq h+j9maximum and th9 dan q+y1chj(e 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 and ruled wi-i(0y3*; mvl1k3ek 4 lt se goybwrz2kth 50,000 lines. The second-order maximum is sev k lbgkk*2-l4semz;10ywer oiy3( t3en 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 waveleng-/c(in/(ivqdv y)qsv th produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces i )s-vdq/y (i(vvq cn/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. What is thes grx 5oi1y75i angular separation between the second and the thi iyr 551xigo7srd 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 huffro fg8;dpt-. tq/ x6es by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 n6q/-8tfd;t frg . poxfm) 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 t ml5ukg.lmk-r r89ni-o calibrate a grating. If the first-order maximum o ukrn km5lg9l8r.--imccurs 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 wavelengiz y8v0 os76zzth 500 nm is incident normally on a grating. If 806voi7 zszyz the 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 ahl-i,jzgs+n4- 82( e za hwkrwavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed az+h-ris ze,4h8an 2l-k( ajw gt $32.0^{\circ}$, 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 plf-uh+ 5 yixyxl2g2u n7nc*(aeate at one end by a s 5fua +y( n2ihy eg*xnx-2clu7trand of someone'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 of 1.33. What minimum thickness34lmx7,jk ak9y8th ruk z.k 9g of this bubble will ensure maximum reflectanc ,973zjkktrk.x89yakhgm 4 lue 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 soam8h4dso, mt,s7lqv; p xxe4e 1p film ( n = 1.33). What is the minimum thickness of po;t,71 ,xes xlhmemd q44s8vfilm 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 nhd3o gv )pinw:.(w5cw onreflecting film coating (n = 1.30) on a glass len:d 53wwv.go( wn)pc his (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 pevbmjfeb wl9 8 xfl:aa)4-q 1w(1/tmi laced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideajqla)4ai / (f-8w:e emftwx11lbmbv 9 l 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 s* h bx3rcbkqt7)p1gcnmly:1d* /bi *preferred 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 a flato8qelka-) k8d piece of glass at an angle of 8keaqdlok8 )-$57.3^{\circ}$. 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 combinatix i1nbnqh)bscgy7yjtdslw)u(: 1 0, 8 on. The transmission axes of the polarizer anq,b 0( )ni1:njw8ygctyb )uh7s1d xs ld the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon cgn22fuft61 wis the Moon when its image reflected in calm water is completely polarizent6f122fw cu gd?

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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 poljsldba12t309row 69l10 e:8nhk x nmkgi l*zkarizer and then an analyzer. In this process, the intensity of the lig:29xjg lnkwd n8erlkk0*a hlm1b3 16ioz9st0 ht 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 tirvu yhzk+lsg395il r f 3.6kqv6 b.w6raveling in vacuum and reflecting off a piece of glass of index of refraction 1.48s +.kv3 9qgwrb6 .y3z5uvrhif6 llik6?

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