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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 princ09hh8o z+xoej iple.
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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 statemeanex2 v;o: 6 j.nadgx;.2gb0va4kp bj nt?

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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 lxdp+eck )i 7xl0 tomjr+l12-odn 2w; might 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 isvp r 9rft7,*oo-l4a hb 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 medium of different optica geus:9be:)svu farg4nvd2qq p/6 .7il 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 (waveleu0vzbzf /bgd;;0k; zrngth = 590 nm), originally traveling in air, enters a piece of glass (index of refracbgkz; u0r;zd ;b0vf z/tion 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 y. sk 0ivj0(hg1fl ++bxoy fl8= 590 nm), originally traveling in air, enters a piece of gl+.+kg sf(hbx0fj 0 1yi8 lvyolass (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 lightcfgnc5- 8 ;lnacee;r* spreading as it passes through a narrow sli8en;- cgc rl*a f;5cnet?

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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, whereas lighqu;08mx8 ;2 c/vvpx8 hpka( 9ykowwh ct is not noticeably diffhmw qyk v8 a8p0;xwv(h o;ucc xp28/9kracted. 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 m drk-v6wkmj j(bw7)*dark bands when light passes through two 67md (kvbjrjw)wkm*- 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 are saide4 91 vecvont*.fzuebf (nb0, to be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two li0if;kwe )776khed m9q hz9vpaght rays striking a screen are in phase wik9vea qf k;ehwhmpi0 776d)9 zth each 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 light travel different paths arrivin q4.wbsm;m/zl g at point P. If the maximum constructive interference is to occur atz; m4.bwlqms/ 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 arrivinhaxc3 b1 l6q)yk5iz++q 5avut g at point P. If the maximum destructive int i5 qqauxb3 y5l+zt)cva1h6k+ erference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a 4.3f+enqcc jtdouble-slit experqct+3 f jn4.ceiment, 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 eitguer; q7 teilc+7)j :jh.jlu7 her side of the central bright spot in a double-slit experiment, light c .ll)tu u 7g7qjhrji+7;:j eefrom 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 sid zmu++-mxgor+ m7oi,qe of the central bright spot in a double-slit ex mg xo+7m,-zq+omi ru+periment, 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 t eru:lhv6bve0.* k*d the separation between the slits decreases, what happens to the distance between th*vt:vr *ee.uh bd60kle 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, i m +ew+ xpwhfyke7x*:7t is observed that the distance between adjacent maxima onepw wef+hm+kx7x : y7* a remote screen is 1.0 cm. What happens 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 ligm.pj;.s ea 7 r 0567i;xada1fbqz gctlht 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 slip(6ac7j) x tqgt of a Young's double slit experiment arrives at a point on the screen one-half wavelength behind thec)a6xtq( 7pgj 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 fringes in a double-slit 7 ,sza))iow1zr( vio iexperiment if the separation of the slits is less than the wavv)7, wao(zrsz)i 1 oiielength 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 doubleytc2z6.n dcl k0tt9 hazcm*38-slit interference pattern using monochromatic 2y t0zc*6 mt3tkd .9zn8 ahccllight 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 ru yy6xdmp89dh0ve* ( a prism separates white light into different colo ( 8edyp*uh9vy6xmr d0rs 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 qrc;1 mdz+-jhrainbow 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 aer( 7iy*o pyes,03er400 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 longe9scjke7uoo kbs;*vsu + ,vc 21r 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 passixpbe7; qy1o- u edf21ewcrn*5ng from air to glurw1*e qon b x2d pe;57ycf-1eass?

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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 refractionkt3w c2qi u.p3 when passing from air to u p3.c tkqw2i3glass?

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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 iih , do62h-6; ybxxvfxs incident on a thick glass plate with parallel sides, at anx ;-xhxfdobvy 2, ih66 angle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very dista8)q lhmbwx5 mxb9+6xdnt light source. If she now holds up two fingers, with a )68qm9 m x+lbwxbd5x hvery 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, woahi lmg;61 +5llfw9ubp/9hwhat happens to the width of the central maximum on ag9up+wi5h9l;/f ohla6mwl b1 screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffractiony1l(f k7 gst/xj:ut2z gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statementl t7( zkgxf/y:1tsju2 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 gr 3 p)sofvvw*:w:x)x yzatings with the same slit separation, the only difference being that one grating has 3 slits an :pv3)x:)os wwyxfvz*d the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused b y,e8atg*z7orw+rep ) y 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 interfered9sqc7fwexaq, yz p*g2: 25 hm constructively or destructively, depending on their phase difference. One conse9 ps:dha,cq*wzmgxye7 f q252 quence 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, whiyh82p4) -tc)yx4rg/prl 6 cllxhmoq1ch is traveling in glass, strikes an air boundary, there is)c2)6r1/x x mlo grph4ch4p-t qyl8ly

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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,1d7notw2x;3gvfm6j3r4 8n o9l vsc rf is reflected by a glass surface, the8j rgwt3f4;v6xlc917n orov m3dn 2sfre 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 viewumt( 8h- g,dnved in white light. As the film becomes very much thinner than the wavelength of blue g- vmnd(hut 8,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, what is the minimo:l )lp onw9d5um thickness of magnesium fluoride coating that must be applied to a glass lens to make i ol5:p)no lwd9t 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 glass plate and illuminaafn d, *gvtsc nv-8,n(ted 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 glass ga-s8(cvtn, nf ,nd* vplate 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 sungla1lzex2 )l: y ybgt9dy+sses can reduce glare from reflected su1 bygxyyel :+t 9l)d2zrfaces?

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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 directionk-n6 wwqj 2z1k of 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 to obtain polarized light in a dicln.)3m, 6c ,um,tfho 1 bykcvzhroic material like a Polaroid filmk,m cvubt ),zhmf cly.on ,136?

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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 jysod3hq lj )(;yk;7 mother, what is the percentage of the incident light which will p qoky7 ds)3;jym;jhl (ass 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 surf5e8 866 4dgrqm2ixxg8m dgcoc ace 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 isne9q ht* b)iu9 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 NOT ex cv4uul-**nrm hibited?

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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 b f)nbon) ;uh9more blue toward the zenith (overhead) than it does bu;f ho)9nb)n 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 intoejv8vhbnlz++v4 c u 6+ glass, which has an index of refraction of 1.50. 8ce6+h vvj lu4zvb+ n+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 600rabooj x/41fd n46m5zsce* n/ nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. 4b* /d/fj5r oz4oanscx16nme What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a t n.wj3f, y6g.hae9qpvacuum. It passes into glass, which has an index of refraction of 1.50. What i 9naw..qfy etj,p3h6gs 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 m(vx qqg3 fl; xyte. )za4nen-+i)x8s550 nm in vacuum is 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 nm in ai2 )kl b+e01gmmj5cvctr is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is fvnqkhgpn;t)go6. vb h4a2+3 mound 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 6.0)/ ,zw8(leja/jrqz dq l 32ank0 mm apart. Monochromatic light falls on these slits, and produces a fifth ordel /re,dn klzaa)jzj q8q2w3/(r 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 nm falls on a double-slit and the third lsb*; /swelbzi 7xb13 order bright fringe is seen; /szbllw3 xebb1s7* i at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation betwee.foca+;8awe ohk 3enu b lw:sz;72no(n the two slits is 0.050 mm and the distance from the slits th;(blws;.c7e8ouzeo f: nka +o nwa 32o 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 wavelengtheew6u90t gq9n1z *vd ms, 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 a9tguqzemdvn061 *w9 e 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 0.05yz19z m.fdu0 p0 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferencp9zzu mfyd1.0e 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 thcdu 3h,d8z :zg)2ii wumm0 1nmat has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm o3nu:hzud0mi)z2gc1m i8d wm,n a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two fq(+e3rd):,m ;j wfl 6mqhgdgwavelengths, 480 nm and 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. Determd,gfr3q:l(ed gh6) ;fwjm +m qine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (wa xoul1 hnm2. yglky:*;velength 670 nm) is inci:. lh*kuy g1x 2;lmonydent 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 width 0.20 mm. What is the anguldgbmf 0+ q+t; t8b8ysqar width of the central diffraction pbg f0dqt+y;8bmsqt + 8eak?

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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 ;j lz6j4au (jnjohz6u1wyw74lr ;w2dwavelength. What is the angular separation aj146l4;6ywuwljj wnj7zru2d;ho ( z 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. ++va;89i(0a sf b 2 idff dp)mkbv;z rkm-ya+e At what 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 the 2r-(y+b;8 kidbza0 kemf)viava++ dms fp9;fscreen?

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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 incid*f 9bfv(purt0zm9*qzent 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 width of the central ma zvr *tf(*m b9fpz0uq9ximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 589zvk8 aim* ;rzb.irei j.24ds 0 nm is incident on a slit of width 0.300 mm. An observingr8ijd ii;z*2kv9 ab4.es m. zr screen is placed 2.00 m from the slit. 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 oukz8b6 f3ptv3bserving screen is placed 2.00 m from the slit. Find the width of the centrf3bu3 z tk68vpal 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 sec, qs ,md+rm-;yecce1pond order maximum src,y ,q;meemc1pd +- 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 line;w1mz1f d l8w,kgo-i h 4mchu9s per cm. The angle between the central maximum and ww1mldk o cmh1 ;8i,f9gzu4-h the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a gratin,l c 45tj9sti xnfg sx1499lolg that is 75 mm wide and ruled with 50,000 lines. The sec9xtlco9sx,in f94 jt4 l5sgl1 ond-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, lighvj h5yyzo i 7q6gc dl(u,nvwe1(z.p57t of 600 nm wavelength produces 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(ylgcz577 edqw.5yz1( un6pv v, jhoi 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 lin*ed f icz0a*s-es per centimeter ruled on it. What is the angular separation between the second and thzd**0-a cfs eie 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 +s.8te p7wbr9rf(u nl spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first npfr9uw(+sbr.78tle 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. ( lprswgsr1q,7m vzljr j8q98zwn20+If the first-order maximum occ0gs7v8 jzqrr z,jnw1p 9+s(ml8l2 rq wurs 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 gratin /d8zivfuzjp6( wu0*i 9 4qcklg. If the third-order maxim ij p*l0(c8 6wqu fkdu9vi/zz4um 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 incident normcxgy/ ey1k sg sh3)9t6ally on a grating. If the third-order maximum of the diffraction pattern is observe9hc/syg 6txk1gy) 3s ed 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 glas, wl/ura7+ qwrutf44p*u *hkxs plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacentrwwfpx q,*44t ku huu7* r+la/ 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 refrac5o1u9hhgz; mnqgz2 ,4j qh,oj tion of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normall,gugj, q qhjh2ozz m9n54;ho1y 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 = 1.33). What is t 4id2tebda vdhl m5mr2-rd,nm8:m 4d1 he minimum thickn4n ,i d 8erv1lad- d25mht2mm:bmdr 4dess 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 nonrefle;m 8. h*n4tvksd2qcef (uo2dmcting film coating (n = 1.30) on a glass lens (n = 1.50)dqsh omd8 *;(.uem f2tv4kc2n 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 do;fkc x4.p 025fnjp qof unpolarized light and the intensity of the transo0q;5 kc.xp2j4p d ffnmitted 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 preferred direction rot, uv,du 2.ebmdated $30^{\circ}$ 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 l b 8lu9-v1tggm /h3szoight in air strikes a flat piece of glass at an angle of 38b-gt g1h v /lm9zuos$57.3^{\circ}$. 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* bsq.d-wm* ;1sjt tio polarizer-analyzer combination. The transmission axes of t t-iwb;m1sjt*q.s*d o he polarizer and 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 is the Moon when its image reflec23seckr9le :jted in calm water is completely poc92 :sle3e kjrlarized?

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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 agxu vi5b8gr5;2 1gxkq polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity inck 5 28q5xv gr1xg;uibgident 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 tchsti,: *1m 4k ksoi4qraveling in vacuum and reflecting off a piece of glass of index of refraction q4ci o,h 4sk:ts1im*k 1.48?

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