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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 princxiz+5bz dym r0v /huh-qaa a.jv5q3: :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 statemenzyvynkz )30xtxbwn t6e;6x )4t?

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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 gj 1-jw.l+kaa(;secya (.wmy 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 atqc i+tk*ys 8*vx: tt3otributed 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 diffh5jod 8p :cl a8;+lsl/ip-ni8t 2unzherent optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enterstr r9:1kyh n pakz;83m a piece of ga;:py9hn1 kr m3r 8tzklass (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), origina+kfjl/3pj7kw-i9 3yyunjn yh)a y.x1 lly traveling in air, enters a piece of gla/jjk yh3 unn)9 3+a . jli-1pyfwkyyx7ss (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 8ewt8z6hf 2 jg: srrf9kcyrm.i1/s4 qfor light spreading as it passes through a narrow slithegzy896sfcs/mtr: 48r1k.w2 j i qrf?

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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, whereh7zg: 5vx0bv eas light is not noticeably diffracted. x e7:50bhv zvgWhy 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 o;ad wwcj15t4light passes through two or more narrowtcodawj ; 145w 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 coherent if th*iy pc+aqd ,ae151vc y gwn/gp. jnz9/ey

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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 striking a screen arefmf- bh7wbn; bh2ym( ( in phase wi-hbffbnmh w;((b7y m2th 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 ae*u z;2gtkgrxei) a*f2 0oei. rriving at point P. If the maxim)fa ei**gue go2 r;xz.0 tiek2um 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 light travel different paths arriving at point P. If -rm+ xkfmatiiij v,ra2 9(ofo64aq(5the maximum destructive interference is to occur at point m(qfifa54r(im x+6 j rav,o t9o -2ikaP, 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 doub uja l iw//vkbd1v9/(ile-slit experiment, light from each opening arriv1b j /id9uv/wv li(a/kes

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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 eithendsr)8bli4l(w )eg b1 r side of the central bright spot in a double-slit experiment rngbe14ldi8s(l)wb), 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 cen ;j7frq.gdzd9tral bright spot in a double-slit experiment, light fdzgr;dq .jf79rom

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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, ift:09 fay i3qwst(of)t the separation between the slits decreases, what happens to the distat09a qf:tt )(fiowsy3nce 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 experiment, 7w)4f vzpc-mb7 jihp 0it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the 4 7pi7zjmp- fwvh)0bcdistance 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 travels paqh84 6eqdz e, 8wc 7ojv9tlqw7th $P_1$ 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 s geg1z3 mv0ou3lit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at thvzoum1g 303 geat 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 imposs(1 :vw-iqjm ffible to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelengj1fv i(wmq f:-th 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-ns:si ut :u53lslit interference pattern using monochrl::n usti5 su3omatic 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 differebs,*(n z 2 da,flb6toi8ys)8 wihj. ppnt colors iso tswpz,df*8anlp)(yi b8j,hbi26. s

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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 dn79 ou 7(dqjwrainbow 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 slightv)pqf dxb6n p1f73pbc-6n2*z . eysozly shorter 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 longeu.q: gqlsg 3k ulie-8+r 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 greateste5;x:x -ez vec refraction when passing from air to gla :x-e5c ezevx;ss?

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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 pa *ude(cc9j3:p/ hsu c:hn1cldt5wcj 2ssing from air to glcc: hu1/l 9tn(wj *cd3dcspcu: hje25 ass?

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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 parallel sides,v 8h4ln ( rr4zw*k9wkw at an anglr(4whww*z84 kkv 9rnl e 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 distant light source. Ivhv6gkf-s9 )9s8vckq f she now holds up two fingers, with a very small gap between them, and looks at the light source, she will se-89 s9fgsv6vv kchkq)e

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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 thoq7gt p2ar)u) l*l 5zhe width of the slit increases, what happens to the width of the central maximum on a glho uq pra5)lt*2z7 )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 th +b s202miyqlhe other one has 6000 limihsyb ql +220nes per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit sepyw yn.+.ue82d dd2i vwaration, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning t.nd.dyywvu2wde+8 i 2 he 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 causdpim01qt (qq9x ondi( sdv)44ed 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 waveu02xoz5 hqd( as can interfere constructively or destructively, depending on their phase difference. One con2h0u(o5z x qadsequence 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 a+xwga2i2swv5d f2 v3/:zhgpo ir boundary, there i5f +vh2gpagw swz2od/:xi3v 2s

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glasr5 a, vjca./lj,bzx n4s surface, there vn5c/4a, jjrl.,zxb ais

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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 viemgx v , rltp vnom94wa0eq*)jj)j0//swed in white light. As the film becomes very much thinner than the wavelength of blue lovp vr)9jxa*0 jm /j)m,4lq0/gst enw ight, 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 minimnc:6t lq9iou /um thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refractitqu9l/o6c: n ion 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/v,p wozwr//u 3)t yyc yx utxf6-k93v a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact cent- 63xut/vt xocyr fp)/yu,vk y39w/ wzer 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 certain sunglaw,xt 4rmegdihp565 s/ sses can reduce glare from reflectegde 5m/p s5twi h,46xrd 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 p+jb uf.4r)/0t zc8oxz. riwmpolarization 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 pmj.-+ 1t9ck w:jzy1xue rul) kolarized light in a dichroic material like a Polaroid film -j)lz+emu yk19w xc:1.jutrk?

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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 Polaro h5dnq4fu eptnskiu;n2e2sp/(v 1 m93id films are perpendicular to each other, what is the percentage of the incident light whtu/ shvnp(4fsu nq392 51em;e idkpn2ich 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 f*wd uxu0opkuc/. e:h*rom the 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 is greatest atha g.lqejs9 q4v3 v3w0

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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 diffrdwb+1khnt9 8 gaction 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 ap6a 4z szbdc93ypears to be more blue toward the zenith (overhead) than it does toward4zy9bsz6 3c ad the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into;b/ wbzhd6ssf6ko,j6 glass, which has an index of refraction of 1.5d ,hojb6sbkf/; s6z6 w0. 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 600 nm in a vacuum. It passes into glass, which has an ind7 0 kvehlv ydtsr l+0*8x;j +wefz;qq;ex of refraction of 1.50. What is the frequency of thhq* vj 0+w7k8ts yz;;e vle0xqr+dfl;e 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, w .iaxz)*+n u(6zkxyva/njo 3 lhich has an index of refraction of 1.50. What is the speed of the auy 3+ /nvo(ikj xx* nz.)6zallight 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 travel *witsp04*st) e4l6qac*k 2aeqpupp+9on am +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 foun* qjt;pywk uhip -1)l7d 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 5r gkn1jm8 h7h:g9oat5f */pty50 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. Monochromhls4+r0q zz1fx( osg3atic light falls on these slits, and przz0o+lgh413r( ssxfq oduces a 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 8 q;kwuok+v9.t bccu)and the third order bright fringe is seen at an anku;vct)q.89+cb okw u gle 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 experime)sr +nx43kxuv0ek gc/nt, 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 first-oru3v/0ngkrec)x+ s kx 4der 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 wavtzpf u/h4z8hnn: i,3kelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits.hnu4,nit3h:8 /k zp zf At what distance from the 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 light of wavelea 7h dtz9n8;bdzm,x -hngth 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart b a,m nhtz978;zddh-x 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 d v67gv; 9hap/fn q5*fh(i,tl upnncy3ouble 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 h g iqtnay*hun93(vfcf 5nl p;7,vp6/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 n vlgp4ok8/ y9 aor/tl. + ix7;f6rgixym 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. Determine the an.gi7r;4x9x laltfp8g + ovyk/yrio6/gle 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 d 8+:ddck ae( kheur(odmoap360.g 5jblue light (wavelength 480 nm) and red light (wavelength 670 nm) iu 8 (3 adcm+dh(a :6jdkek0p.goed5ors 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 slkbm24vp 85e mkcm q gtyx8/:9yit of width 0.20 mm. What is the angular width of the 5 gceyqxm/ky 488vmkp mt2:b 9central 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 ill80tv kiy7wjd6t eir)wo0e)i:uminated by light of 550 nm wavelength. What is the0 )woeitkiid )6vy 7t jwr:08e angular separation 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. 2pl(y9u7tl p 8m l.ngp At what distance from the slit should a screen be placed if the second dark fringe in l9 m2 gnp( ptp.8l7uylthe 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 *ek p/9/2veqwxt3s(/ieq mt q 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 maximum?//pq9e/xtqwi kqt*es2e(v m 3

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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 0.300zs9ge/c1j/ 3ho nw 3sd mm. An observing screen is placed 2.00 m from the slit. Find the position of tn/ces d9z s1gho/3 w3jhe 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 ob1k b n74 vku1sm.o2bu5xy;5y j:kd uovserving screen is placed 2.00 m from the slit. Find the5kuu1 : 4x21 k bm5k;o7nuo .yjysbvvd 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 se7d - nf.r kolm(sk) 6fxmw7xp8cond order maxi.nx)fdwk ksr 76 om(8p -mlfx7mum 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 6c56oq*;g2h ej i8gisgic2f kz,e)rdge n79a. The angle between the central maximum and thk2 8r)gg ec5hs6 *6 ega;gioj2df,c7 ez9q iine 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 iyx9c 5qovbe:9 s incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seenyx: co995 eqvb 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 tqbs47xeo ay+)(5mk r of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source)7s mt 4a5(oxybkr +qe 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 grating has 6000 lines per centimeter ruled on it. What is the ihg. qhek94pzvo8 3fnihwu j tats4+f9-; 6c6angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam ofuthw9s j9q; n4 46kiahtof3v+-ihczg.6 ep8 f 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 b1iivu( ;y45u z (3ocz niyevzgo1k)5wy a grating. If the grating has 2000 lines per centimeter, at what angle will red light (64uce i1(u5w3 vyz oiz4o1;zni5 (v )kyg0 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 calv/ae.zwl jf-3xc d:: c4tmr4qibrate a grating. If the first-order maxi 4vq-e fl c/ :m:.dzxjct34awrmum 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 ioy5 zx-re,* c0dm:nk hncident normally on a grating. If the third-order maximum of the din * c-rhemz5dy0o:xk ,ffraction 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 normally on a gvdi ; +nznqc295owjh*4c anf(rating. If the third-order mac*idj9+(25 ancnwzfqv;o 4nhximum 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 0a l8/ igy:dtqa,hhr s4t ,qx0from another glass plate at one end by a strand of someone's/,tqd qxhy:t8iahr,l40ga 0s 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*0gn -r afupg7(-ax mb6/kfu 10m3 vx mwka9cf refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavele ama06v cu /* wm1f0 (gfm-u-9xkpk7nag3rf bxngth 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 sq lb5)0pxv+i p.5 vbrwd:i q6wp o.qff(au i50oap film ( n = 1.33). What is the minimum thickness of film that will giv( v0b5q .f:)o5xlpwi i.rq p0a u5vfwpi+b6qd e 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 thicknes(3x,udrhh 9 dpv03ajs 0d*gufs of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengthj d g0 a3uh(r,dxshf0 pd*u93v 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 anddv :1hs(gx/1k2tz aof 8s rea- the intensity of the transmitted l8f/vss h1z:kg( 2a1 atr dxo-eight 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 directib-k 2ly+jk1 7)gbwn ao v9v1ttpi dt59on 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 o(+vkwbk/6hda flat piece of glass at an angle of bv hdo+6/k( kw$57.3^{\circ}$. 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 ar5dk4 j a)0yq xrhi.,o polarizer-analyzer combination. The transmission axes rixj4q d,aor k0y).h5 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 the Moon when its image reflectea-qt1+wke j-l em:)jf9t,vqkd in calm water is comt: fet,l )+qjkqjak-1 w9-vempletely 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 throu7ry3zf1wxa x t:d zg7+j(q7irgh a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incidenzt+7:1 ( xrjgdx iw737afyzrqt 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 :l ;1zm:pr 4.dbexywo for light traveling in vacuum and reflecting off a pm.be:yz:polr1 x; d 4wiece of glass of index of refraction 1.48?

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