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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 princi y 9f/f.vn4vikny3r4u6yoqj.ple.
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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 falsekj--cs tq ba5**izv 6p 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 is4ygae u* )6/g:)ra7gdaf5f6 /z okces lhoz1a 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 attri3l,ys4ed t/ zb9xxm80 kl8 cributed 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 difmv g(25at 5fytferent 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 trav(otliz1vj6*+r /35yyp4 nn3xv)betj;jac wy eling in air, enters a piece of glass (index of refraction 1.50), itsn1vl6ze w3a py)vrj(4yon/y 5 +t*i c3jj;txb 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 (was. k)h1wb8ppa velength = 590 nm), originally traveling in air, enters a piece of glass (index of ref8p ) b.hkpsaw1raction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes through a nq*qe5mv9 mkv7(nawa , arrow slit?a,en 7a* v(9mvqk5wm q

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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 kya+ 8 m5 5cgr)umk15n/ilcykm- e m.v/cj7sras buildings, whereas light is n+kc15j7 )5mrkeulm /r 5nck/ - ycimg.asmv8yot noticeably 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 bands w/h 4th0qvlox -hen light passes through two or more narrow slits?x0t vh hoq-/4l

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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 wb8jnahh2ci; 26 l;sbbe 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 strikin41ez0t2d ,q(/hdfj e+ jkhmerg a screen are in phase witjdh+f tj0e (h4r21d, zeqk/meh 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 arriving at point P..onla.ah xs/ec;8 gle .a11 oz If the maximum constructive interferenz1ao1c s.8a.e laxel . /go;hnce 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 a (cm(sb +i3ohaa ee-c0rriving at point P. If the maxioc0ca+ ( bm3ee(-hsaimum destructive interference 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 dr)z3om4fra3 k ouble-slit experiment, light o4m)kar33 zfrfrom 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 sps- b.qwz g)/5+ nidjefwpu ,s/ot in a double-slit experiment, light fromq5guws,+w -ji/dnp/f.se)z b 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 e,)4pg- z1jewq p, eml+am-y cpither side of the central bright spot in a double-slit exlwpqz,p e-ag e1-p+ j4ym ,c)mperiment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slit4wgu.ji vg :/wn5m2vqd .o;xys decreases, what happens to the distance between the interferw jxi vg :5v/q;2o wyn.mudg4.ence 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 distance betwcl z1c x0aj+*vwnua4, 6cq ip5een adjacent maxima on a remote screc*zpa0+q jw,x4iac u l5n6v1cen 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 lighr,9e iwlb/j;ylb7kt ;t 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 experiment arrives y.p/ 9h er+acb ,v)lh 1n nb*ct4usoe+at a point on t*o/au p.+ehe+bntc91v b,4h)n yclr she screen one-half wavelength 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 inte:g5 p/gy ;9roxh:iu ubi/k)liwe6-9gt b:s utrference fringes in a double-slit experiment ib h:tkruy:x/ )beoui5sl/ gi6gt:-p iw;u99gf the separation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference pattern usiu2hjxub; k6,7 xj uz,ong monochuhjx27z xo6 j ;,ubu,kromatic 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 dif- x/k cfr)ga; 7sfpnl6ferent color ff;s-6r x) pkgnla7/cs 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 ae1qk qiad07ra9a txt8 l*1yw; rainbow 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 shoq7:5 (o zzwhj+wbg23o+ myc bfrter 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 longer than 750 n( 9hkr ,tcy kr3c* sp2u8pd(erm 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 fr;s8m 3c gw9wgj;qsysu 5f; ng2om air to glasss8 cjm9;ns3yug ;gsf w5g wq;2?

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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 te/sd)*4yo+fg f8 hhg ho gla)dogy 8e4 +s /hh*hffgss?

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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 ligh9 y2-9 bsd pqf /u:-uda8nbmvkt is incident on a thick glass plate with parallel sides, at an angle betweenpf2 ubnsv--q8m ba:k9u/d y9d $0^{\circ}$ 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. m:pjf5 h .*spc If she now holds up two fingers, with a very smallhpfj :p5* msc. 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 expeulr.rxj,k .mn 2s;1 lariment, if the width of the slit increases, what halru, ls. ;n 2km1.axrjppens to the width of the 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 lin++ccu sx(gv(i9v u1ones per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of t xuv(9 s+ou(vic1g cn+he 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 o 7)ndbvqe/u -tnly difference being that one grat)veq/-ud7tnb ing 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 caus;ga+ ab3kyb +gc)jp t8ed by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can inter 5efsw)hkoboki1z 382fere constructively or destructf3beo25o)kh i s kw18zively, 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 gl( 8.1xyddme6cvat;t ir ;s j)wass, strikes an air boundary, therredxc t;vs6w( .)1jtaiy;dm 8e 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 travel-o ofiwzm2f)9o3blt , ing in air, is reflected by a glass surface, there tbm2f-9lw,)fo3oi o z 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 the film becomes vebz 0fqfww -/xj).vn mqxsmtt1 3*6g 4pry much thinner than the wavelength of blue light, the f0j3q q pmz4x)s1twgvx.mbw *tf/ 6- fnilm

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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,kgr*hx:d ,e p8fnmu 7: 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 indphxd8r*,gme7: :unkfex 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 illuminated fr d8y37eq ::ct8s7 1 o7tqgllcznv.uac om 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 platcveos88q77 dl3u 1lcttgcy7:nq . z:ae 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 respons2kmw ln)ez7dagp0l *:8d 8(heq:lp gs8h q:iu ible for the fact that certain sunglasses can reduce glared)d*l8l87(ag:ikq28pewz:qpn0g h :smel hu from reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the diduk7-(we 9 sgurection 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 t)esn v0: dpl)bg+ np3 37drjtmu9eg)obtain polarized light in a dichroic material like a Polaroid filtb+ 0e7ddnet3p gu))r9glj ns 3m v:)pm?

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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 perpendicular3 1;o +-etpm ligul2l-6rnnyn to each other, what-lg 1ln+nienm-y6u23;rt olp is 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 surfag ))r ueaez) u9nuufsl+(61hzce 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 san6n(w2rattxx4q va*nh 7/e* unlight 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 exhi8u ylq 5swh,tzd ,04qxbsi 86ebited?

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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 apk2v/xq u99(q ktbt h0npears to be more blue toward the zenith (overhead) than it does toward the horizon. This occ09(hnvtqtbk kx / uq92urs 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 wavelengt g.b*kl6ur xt;7di/k0 (or zagh of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wave*oig 7(6.k;dr0gb l axz/tu rklength 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 vacuucpw )to1/ l0b1pv8jqmm. It passes into glass, which has an index of refraction of 1.50. Whatwj1qv)01 p8lo t pbc/m 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 vacuum. It passes into glass, whif:* k)ux0iw rb c2a2wtch has an index of ref:ui) wxcr 2*0wfb2ka traction 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 ygu6wqhvgu c nvn,n 0)awm-8++o8id,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 6 ut nmt4lf-o)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 aiu+( .c(fa/lmm ne a)ohr 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 6.00b1b .xo v.fcq ogivs 4;yt;;f0 mm apart. Monochromatic light falls on these slits, and produces a fifth order interftf;c;s.vb0o.qibgv x41 ; o fyerence 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 qg .( iss;-erub 3yogy z)rh+9nm falls on a double-slit and the third order bright fringe is seen at a;i. hrye(-zbs9sgy ugqo r)3 +n 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 sliai-yk6v 21abb3+gye ( d- ap g)dkq)zst experiment, 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 the fii se6)d bk az-da-p2kv)1(bygaqg 3+yrst-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 ssmsk5/ byt brm5rlt +3;8 1uuei:yzl4lit 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 ttl/1umeir3b rls uk;y :sm5z+y t8 45bhe central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic lightxef sm9/vfq0p;7e ;jfrd: 8ow of wavelength 634 nm falls on the slits. If there is a screen0m;/fs7qr9 xf e povf:ew;8dj 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 double slit setuph7;/em * na6xqkyk3 bz 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 d ;qn*bkz/m yhxae673k ouble slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm, sx9rem:bm4k bx9. ( mmitrikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of th.mmx9(kx mrib 4em:b9 e 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) aux 3dh3gm8/p vnd red light (wavelength 670 nm) is 3vhm8pg d/ux3 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 width 0.20 mm. What is the4pd92e,2cj0wjraw +r ixg b/ q angular width of the ce bdwjr0j29+e /cw2r4ixagpq , ntral 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 0.050 mm wide, is illuminated by lig6r(c ewwy21(,yxprdz ht of 550 nm wavelength. What is the angular separation between the first two minima on either side of the cey1yz(x2rpwcwed r6 (, ntral 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 singl ; j2x tedwfxta;)o7.le slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in)e oxdx;f7 wtal.j ;t2 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 xv++tn rx y0y01gang 9on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from tgyxna+r 00+x1n vg y9the 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 sb(j c.hmi:ow9 c*4 bfn f-6efrlit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the positibm6 ff4ofnj . e-ci*cr:9wb( hon 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 uivxklh5bh3 q+ :;h6o a slit of width 0.300 mm. An observing screen is placed 2.006q 5hho3;xb:i uhl+kv m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its second o g(j2ey;ld *birder ma l*2(byjg ;eidximum 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. The angle between thechrm yn8xd 0hr z8bf(+)sgd.+ central maximum and thsd+ 8nmfhrxd.0yc h8 )zg+rb(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 grat4 x/t f8gd 8pm 2uoi,ayngxvdo+7jt,,ing that is 75 mm wide and ruled with 50,000 lines. The second-order maxij,82n4p,7g, goy/8ut o xadtifv+ mxdmum 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 prodhxelt -k5uo 66uces a first-order maximum 0.350 mm from the central maximum on a distant screen. A secou-6 tex6hl o5knd 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 source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction gratinn vwi1j p1)bnn -;bgxk1z55p qg has 6000 lines per centimeter ruled on it. What is the angular se-z; wj15qbv npb1 kn1) 5ngpixparation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. Ifmuh, -1auq3 pcdq 8(iytvf7b9 the grating has 2000 lines per centimeter, at what angle will red7y9uid hbqpt 3q-mc8f1 (a,vu light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the fi9uo2oz3w ;bz r0dwjm2 z, xsy1rst-order maximjuzw sw3dzz1 92xo;br0mo 2 ,yum occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. od-y 0r-9dqqh m6;e lu If the third-order maximum of the diffractieu-;yhl0mq- 6q9do dron 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 normall8uv8avs uchf dtkq) actg-59,x :x+w2 yc q/.iy on a grating. If the 8) 9cwxx.c-t,df5k 8vsyahaqgtv u/iqu : 2 c+third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another gla, 8ix9u;sfdehd9tl / ess plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelengthesx u8;l i,fedh dt99/ 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 ofyn :,u cpdky01y baw-v;2il, b refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 5-uya nyycpv b;dki1:2w ,b0l ,30 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 * sf1-qczid ;r( n = 1.33). What is the minimum thickness of film that will give an interference w;-icdrs1zf q* hen 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 ok2iz:3t71 h//-wyhh7 xl pg tkot*caqf a nonreflecting film coating (n = 1.30) on a glass lez-7 hqytakokwi/ :1hh /lc7*t x2p3gtns (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 placedop5 6 z zufhd7tqwf32yf8.f ,uyh+gss5.m5od in a beam of unpolarized light and the intensity of the transmitted lighhd5uqsy6h,p3zt2f z. wfso 7 mf8fgu+oy d.55t 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 5 8st 6 bt5u9bgkr4d4nxeab*hrotated $30^{\circ}$ 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 a 5lev,zu. erp3ngle of zel,eu3.p r v5$57.3^{\circ}$. 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-3s ritu zl;;1oanalyzer combination. The transmisuo;1; lir3szt sion axes of the 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 thet n1(; )dup-*xd jtxal Moon when its image reflected in calm water is comple a;dtl-uxpn)1tj xd(* tely 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 ana /47:xovo1tq0sb ,xdgw*w pq.akykl ) db -1hzlyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the an7owy q xp a k-q:dtbb).40 o/xhszkw*v1,gld1gle 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 and8k d 5z*xv3w bethqe8r vjx-vib /w/+2 reflecting off a piece of glass of index of refract bdq 85vxieh-3w8rexkw j v*z/bv/ 2+tion 1.48?

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