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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 principle sey3 b.e-1joq rk+t-c.
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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 st k:r 3:)x) ti3hcytjvkatement?

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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 attributed 7h*u;t 2ngimmto

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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 attribu;qx2j p: e5oxucfb96 lv9 esu0ted 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 o.9p1b)lpume z zq72nr f 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 = id6dq3 r 5yy**.y;g9 sd 2yjww q7stkq590 nm), originally traveling in air, enters a piece qirk; * dtyqyydq9j 2w *d5.wy3s 6s7gof glass (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 traveling iqu ssespnvck o2i:e1 u(;0 -5en air, enters a piece of glass (index of refraction 1.50), its wav :kee2sp0(es-ni1uqsc uv o5;elength

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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 fo 4a1cc 9130t8zs5 lvnzenxkxtr light spreading as it passes through a narrow tcte5z 9lznx x81k 3a 1s0cnv4slit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracte90tfw qr.*n ond by large objects such as buildings, whereas light is not noticeably diffracted. rno n0* wf.qt9Why 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 bandq- azko88qx (x w9e3gjs when light passes through two ogox8e- 3ajkwxz9q q(8 r 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 said to be cohereniu5i y3ph .8unt 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 :zqw h t+)bxnk/jm 1q8rays striking a screen are in phase wittq+:m)nh/1 bx zkq8j wh 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 adf;8ajm z0lbty;jqm .lg 4y )6rriving at point P. If the z ;j8 f0b6.t4gd);allmqmy j ymaximum constructive interference 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 l .rmq8+h.// tr3vu cdjx/zwesight travel different paths arriving at point P. If the maximum destructive interferenrc/ /qm.wsex+t j.r zh/uv d83ce 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 cenjdc -jk5b /lkye9a 6pmu.i/ q5tral bright spot in a double-slit experiment, light from j. d/5qiyp-jk e9uk6cbma 5/leach 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 oq3gk:1hne2uf-s o3gh f the central bright spot in a double-slit experiment,ng:1 hqku23 efsho-g3 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 brib9v(, mg8 wl.f wn9uroght spot in a double-slit experiment, 9 fom w,.(lnbv9g8 ruwlight 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(xv c qy-pf;d6 between the slits decreases, wf(yx-6pq cdv ;hat happens to 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 expeuoiz3e i;w b:7riment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happeoi 3u: ei7bz;wns 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 light trut3*wx13hugdfzq3xi u-x ,1 oavels 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 Youngfw4m8t v.z0lw6vv4 tg's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that pwtw48zv .6mlvtv4f0goint?

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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 tt 7.;+e.1z 6kkzssqs6ix pqrd o obtain interference fringes in a double-slit experiment if the separation of the slits is less t6 1z.s7eqsp . rx;6ikdks +zqthan the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit inteoh6d00sdcx( orference pattern using monochohxs0 d 0o6d(cromatic 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 exed5./ryl ha/4iq lo c,plains why a prism separates white light into different colors isd4i.rc oqh ayl//el5 ,

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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 rainbow4f8yy1p0 k iab 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 400 nm is cx d s9iwf);38r7w bkbvalled

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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 tha2d oe9aj3 aqb2n 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 rgzwau5dk. iomq0 a 58,a28nqrefraction when passing from air to glass owa,q8r2an5 dg 0umk 8iq.5za?

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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 u/jow* l;o )yswndergoes the smallest refraction when passing from air to glas ); /olywsojw*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 parallp465;( z t wwr9ijaorlel sides, at an angle b wa zl jw5r46rpt9;(oietween $0^{\circ}$ 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.4bi(rbr*+ blz7;o *s tvj4jcg If she now holds up two fingers, with a very small gap between them, and looks at the light source, she*4 c(*;z +s lj7g4jrbtib ovrb 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 .fosei3 *v cf)z )yxb/the width of the slit increases, what happens to the width of the central maximum on a b)f/ ).3yif*oz xsec vscreen?

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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 the0wyk0pvs vmtyy*+r.u hwy v-w8 k )r+- other one has 6000 lines per cm. Make a statement comparing the dispersion of the two grwmv rkyrt8+hwy-). uy+wv-0p * kys0vatings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction:gg5sgr9fr8 ;d(z g rl gratings with the same slit separation, the only difference being t lg8;rr 9g:zf(5rdgsg hat 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 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 wbh6rovt, k,9 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 lighmh ; zh1rv+t,kt waves can interfere constructively or destructively, depending on their phase difference. One consequence of this ph; h,vr1 m+kzthenomenon 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 travelingu0c.itu(u3 wd in glass, strikes an air boundary, there.u03iuucw dt ( 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 reflected bh eq- y);vyi2by a glass surface,;)qb2hyie -yv there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As thed)sw622biu u m film becomes very much thinner 2mu2d)w bui6sthan 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 o9 vh1rknkgpgls ;au7in84eg(p(9/ wg f 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 magnesium fluoride is intermediate to that o94w1r/kg(u(ine kv8sgl g nga7 9ph;pf 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 ac2b6 pq+ag8a09wpn kw flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are obbn69 cq0+k8a pwpg2 waserved. What does 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 responknid a82,iqc+sible for the fact that certain sunglasses can reduce glare from reflected a i8+kd,in2cq 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 defined /s5eny/uak6)bwh u h-n- w4rjas

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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*saxw-n9( 16nwv9f*n whil uo a dichroic material like a Polaroid ahwuno(1l9xw-f9n6*s*v inw film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes ofo4b,goc wgj77 o/*ptl two Polaroid films are perpendicular to each other, what isoojct7 l7 /pg*o 4gb,w the percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of a lako6my xd0od- j0e

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlig+ m51xuxvn l--ocm(8j scc dyvbe))z;ht is 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 exhibited?(-h )ooxlsvay45g /ko

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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 appp 3ey:rm*pw8jkve6s1z l w;. l: kw+vyears to be more blue toward the zenith (overhead) than it does toward the horizon. v.:e8 3s :lr*yk;+wwke1jly6pm v zpwThis 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 i wpjf5kj*,a 3gn a vacuum. It passes into glass, which has an index of refraction of 1.50. Whwa,3fg p*j5jk at is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glas lurdb v:m/ 3cpy+hy;2s, which has an index of refraction of 1.50. What ilyh /rpmv3u; bdc +y:2s 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 vacuum. It passes into glass, which hast0 mwhh+6 )xrna7ee /j an inde7r +xe)hmn/ j06thaewx of refraction of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to travel1n.*hc dta.q9p. n febr k9sz3 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 lr/f./ rvwoys2l6 *fztravel 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 55ihha*p-m yiiy/yh- 9ru 63/zm0 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. Monochromatic light ,qdjw3 xq6 v+r6ibi4uwpxg6 (falls on these slits, and produces axqb4+6u rx , 3i6wgidp j6wv(q fifth 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 nm falls on a double-slit and the third order bri8k9beyj *x2 ypjdaec3: z lh+-ght fringe is seen kzec:j ayp3blhy +-*x892ej d 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,o8 gb*o;zo-7 /kggwf ,x q*pft if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between tbg**8 ;o7wqffzkop/t -xg go, he 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, thh4 ,vum cnp8x-o6/ tpke slit separation 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 coincide with a bri8o -tkmuvnxc ,h64p/pght 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 wavelength 634 nm fg+wvb9(d 9z f*fq9(yc gkp ku7alls on the slits. If there is a screen 6.0 m away, how far apart9wuk v9*(9g7(zbqf dc ypgf+k 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 double slit setup that has a sli0*lqft* cfdr 2t separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slc f*0* qdrtf2lit. 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, strikeszf4c0y-dke/ /vw z; oq a plain piece of glass c;ewf do k/v4 -q/zyz0at 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 light (wavelength 480 nm) and red light (wave1g5 x.*2kmq 49rg+r)xg7fwxmv99lfbvoh i i rlength 670 nm) is incident on a thick piece of glglmx + xq.9foir w9xrvi5*)vfgk rmb912 7g4hass 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 sing u nrr0j1,r 9vj3hxqw)le slit of width 0.20 mm. What is the angular wiv1u)rxjwn39hrr j0,q dth of the central diffraction 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 0.05f -a+ .mx9k3vndfsmj7 .u604nzzllwu 0 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between thel x zw74.u3v 6k ln ffmus-jaz+9d0mn. 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 skuc/ubk4s x p88.fm1alit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1/kk8.fp bxs4mauu 18c.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 inciden.jq4yc9* 9;b tikgef lt on a slit 0.20 mm wide and the diffraction patterl9k9btc.4qif ;gje*y n is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 g/;o9b lnpgq4/ ex*oznm is incident on a slit of width 0.300 mm. An observing screen is placed qzxe p9;g4/bl/oo n* g2.00 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 cy5 o /6 3tcdsbvgmh-syj 0q7,of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maxi c/ h5jyqmd- s6 3gbc0ty,7sovmum.

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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 g ;mht*.qztt,9gev n1 qngu5u:rating with 7000 lines per centimeter, its second ordeuht9teqtv.g1n ,u :q m;5n gz*r maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. Tpxs4x:s p;t,je l/.57bodot-mj4 e z ehe angle between the central maximum and the fourth order4m-j pees75: .4lbp,ds /;xet joxozt 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 inciyrix i5pv nmfr//nn3 4 2z9pznmi h1.-dent on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen at /nxpyrnn9-z2if1hrm5.z 3 i4i np/mv $32.5^{\circ}$. 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 wavelen, b*z758g6(ii edij. nsgw84rqk:7 gxtheiqjgth produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produc*r47bi:esihi8xqz6.7n( g8g wq k,i dejg tj5es 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 oni2f i1g4. ajsw it. What is the angular separation between the secogsi4i1 2w. fajnd 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 grating. If the grating has 4x hrubth:8e(2000 lines per centimeter,r8 ht(:u ebx4h 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 j)uy08lgiwpd qc16w)rn 0a0ucalibrate a grating. If the first-order maxi 8p0d1lqnryiac j6w0)uu wg)0mum 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 normal81k7).z3ocg nsws9:ugprq :jch bjjhy4 1kz.ly on a grating. If the third-order maximum of the diffraction pattern is observe br)7k ks3p4w oq1jj::nz.ucj9ys gh8 gzhc.1d 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 incidep,v)t1ene59 zz2cu7 e .w cbennt normally on a grating. If the third-or ceuze)zp1ctnn .7,v5bw 2 9eeder 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 5cteu dxf3xd)4az v (wz+f )q3long is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent za dqd+u3tz )3v5x(fwc)4f ex 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 indexqh nz73-xxdd9 of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident qd7 -x9d3xhnz 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 tdj+iie9 fbo;4jc:ij tki7s wtd /50q 2he minimum thickness of film that will give an interfs:+ jf;ic 20qdj7i/5tbt9 ji d4owk eierence 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 thicef )sfh21.eb wkness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) fors1. w)be 2ffeh 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 unpolarized light imm,t.b/g;x;7bw: x ubeqfr1 and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the bmfwr1 tm,be: 7xqbxig. ub/;;eam 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 direct6 t9mp suo5qs-ion 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 flat piece of glass at an angle of iza /-w4vb,8rhf(;k6jtsx wz sa4kbif8vw jz (h6t-,wz/ r;x$57.3^{\circ}$. 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 throughlk:ej q0 ob 4;jmwzsqzsw0;0 ) a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer arjsqe:0w q0m4 k;zs) 0obj wzl;e 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 )d+2bx.,rtzz7w f k mfits image reflected in calm water is )fmzwk.zb27xt+ df r,completely 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 proceqd/7hcda9qvz4o d.fm *2+g kwss, the intensity of theo9*4f27hcgav d+qdz dqmk/w. light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflectw24ys8 wynn */efwn e:j6u8r- ciciu.ing off a piece of e 2uus84i /rijn-wwce nc 6:y8* wfn.yglass of index of refraction 1.48?

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