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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 principlep+avd(y0cplk9r*0tj6 er e -z .
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followiqvo.u *8*h +sqd v2fqpng is a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is ati56 rm) (f)hgd sn zt36pxrzz)ciad0 3tributed 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 att3 .dn)6a) wea h hjgmk6zbz)v0:8qsfvributed 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 difu8j8vaw2s(cs ferent 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 (wavelen3. 4e47tij ihe vlik9ngth = 590 nm), originally traveling in air, enters a piece of glass (index of refractiontjhe vii7ek39 . 4li4n 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 (de(vo) abi7at p;pwp,0c 8du3wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavelength(, o i3t0daabpdve;u p 8)7pwc

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsibleo*v l *2r kqq/lb20oz, sr ah3pjd-7wi for light spreading as it passes through a narrow slit0worj b vlikr2alq* ,z2p*3ods 7q -/h?

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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 light b 9tvfzxq p w84dajyy4(ug )q0:i*kv, is not noticeably diffracted. Wh 4zabyk( i,qx:8)qg0y f9jp tvwdvu*4y 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 a,zb;jm8f;7 pomzmm1f mj 48 bllternating light and dark bands when light passes through two ;8jzjmo;,4mbmf plbzm f 87m1 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*3 6l qxfntxz: said 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 (l y7hyz ;f*wtvth( c8two light rays striking a screen are in phase with each fl7h*( h yt(;wtv z8cyother?

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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 ligmo wxd3 2c.dmtwz*3:iht travel different paths arriving at point P. If the maximum consxt imm *wzdo 3.:wdc23tructive 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 ary o8gk k9t pcbuuroa p.1f:3f+p4 4q/qriving at point P. If the maximum destructive interference is to ocpfu1cr8qpfu43/ +bkgkt .pyqa9o:o 4 cur 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 p;l/sn pf 1y4lof the central bright spot in a double-slit eflpy1;p4 lsn/xperiment, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a doubleigogghg3 .:n uwa,/k 2-slit experiment, light from each opening arrives a.gng ogw/,kg23iuh:

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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 si,r 5jzu3c;to ade of the central bright spot in a double-slit experiment, light z,t ju5;o3rcafrom

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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 experi(v sp ,jykh1tj. *:pmkg )lim/ment, if the separation between the slits decreases, what happens to the distance betw m*lh:k iv.s(g/ k1y,tmjp) pjeen 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, .x*1x) kzkhtmajb 8p7x(c- b wit is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in 7 j1xc xxmz)*p-k.b(bakw8th 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 trave . kn;jhao ytsx5(,wr+ls 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 arrivex6 t 0s(3fap;j 4hsx ucy)ptzi2e- rx7s at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that poi-e2;t(x0ua cx )rp3s7 tzshyixj f6p4nt?

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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 obtaini x/boq:la8-zo ,s(ge interference fringes in a double-slit experiment if t8b- ozeq,osigl/x( :a he 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 paby*i7e *)cy7*ccc f6xq 9cfa ettern usinyeb 9qf7)7a6cyci e*xc f*c *cg monochromatic 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 li/qu5j( al5h 01rntxqtght into different colors is0 5qr (jnqh/xau 15ttl

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allowei29 t)vg--igj * p)fdvh /ikfs a 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 shorter than 4 5pizltf/9fj ooc5.3b00 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 7oxce9ti:zf , 350 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 grecq -c8s0 wul)datest refraction when passing from air to g08 -wcsq) udlclass?

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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 refc qp+* -8tfoenraction when passing from air to glass?8p *-eno+ctfq

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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, atn ry 2olr z,;k6r2xi-t an angle betweot,;i 62yr2 rrl-nk zxen $0^{\circ}$ 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 ve ;0n3oxych :alry distant light source. If she now holds up two fingers, with a vec 0 :hnx;o3ylary 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 tivek 0pa1 0erei u4cxc -w,85fhe width of the slit increases, what happens to the 0 -p0re 4w,u8e5xi c1aicefvkwidth 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 ckf pj+z lo:fg2(en*1 4000 lines per cm and the other one has 6000 linesnf:cg2*lk(+z eof p1j 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 san22/h 3 h(gvrdrget 9evxho4*me slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated wit(2rh*ht3r9gev/gx hve42 o dnh 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 c6 v2jjo cdb+*uaused 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 tw /2,fjqroc .ycj4ps 7vo monochromatic light waves can interfere constructively or destructively, depending on their phase difference. One cons,q7o p/yc2 vcfrj.s4jequence 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 iszr8x4jfo4ksuwe2b) +aye )- u traveling in glass, strikes an air boundary, ther s -wkx2u u))z+ey4b orfjea84e 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 by a gl/ ax a5kx(;hn-ds d.lzass surface, therenz5 s -lax .xhd(adk;/ 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 thjwwlf (n-v8 8ykw0r/d .chh f+e film becomes very much thinner thanf.whjwfrhwc vd+/(0y - lk 88n the wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, what is the minimdy + *5-owjtimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-refy* 5j-o it+dwmlecting 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 ilqax */)l /9xy cixdh6/m.i bgrluminated 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 plate are in direct ciqc*/ ymh/xxr6blx/d 9gai).ontact?

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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 sunglas8(a1:ard uc arses can reduce glare from 8dur1r :aac(areflected 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 an:*x10c*mpcupc9)pyj c ax -o y+kw:soui4k 9s

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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 o snydrjb(d+hs (, 4uz;btain polarized light in a dichroic material like a Polaroid fil4,sj shzyud(nb(+;rd m?

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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,14klfa ev)k -nmutf/ z3e9zi oi*9qq perpendicular to each other, what is the percentage of ti f4zief99 1-veq)a,/ozktku*q 3nmlhe 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 lakpj6cld,h d0 wz:bp-6 hk1xn7ye

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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 isnn7 ti ebc ydf+g)5x9. 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 i.pl 7t(iqu, ,2 hqmchq)n(qrss diffraction 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 appears to be:pi(zv q4ggdzbe2p 4 , more blue toward the zenith (overhead) than it does toward the 4bvig zp gq:4dz2, (ephorizon. 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 glass, whicy0-;jly 8y iobh has an index of refraction of 1.50. What is the wavel ;-iyyyl0 8ojbength 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. b t lg -.9e79qztk,bsoIt passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the glass?9z tg97ebok-lqs .,bt

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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 vacuumt r9;lmur- cjiw(1/go it 1 hgnq7r*7x. It passes into glass, which has an index of r9tx n* /j(-g 71wul cor7;qirmtghr 1iefraction 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 fltxrez5y3c8 m7qocz tn4/jiu5;* *vj ound to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to traetu0c k-0+q.d*sxy*hg ;a2dp c jdd)dvel 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 550xp5iw/x3 3zm 8fl kf;c 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 falls on tr q-ls9yxt+j f8 d;p;dhese slits, and produces a fifth order intedjf; ydxstql8;pr-+ 9rference 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 fa98 vk;pythmmadv. /1(p thv7 zlls on a double-slit and the third order bright fringe .97(z8mvtm v1d a kph/v;y pthis seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit exprm:e5o l(g*jeeriment, if the separation between the two slits is 0.050 mm and g(rmj:l5eeo * the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0kiq4 j5 2c+dw+aljkns 4 q/og- 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 brighj4 4qk+-g lonsk aq 5jic/dw+2t 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 apa 8k 8rigy,yst4k up)o6rt. Monochromatic light of wavelength 634 nm falls on the slits. If y)ypgskrik, u886 4o tthere is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit se.e6 3su+kz( wq; tbrvftup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and z3t reu k+ (qbvs.f;w6the 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 corob g6e94 w;lantaining two wavelengths, 480 nm and 700 nm, strikes a plain piece b;o wr4el9a6 gof 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 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 ofpoihiiut81i rao329p . 3v8df hc*to1 blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident o.iip21atu rof9h83ocdip1otv8 ih*3 n 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 i ecwf05wskg +jr4*b9ns the angular widthrc04w gfe9 *+s5bj nwk 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.uc:pdht bh0,d(li*z n1+ 9t cq050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between 0thd tnqhl( p+*i9cdzc, u1b: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 slil8m)vudv 35jp;txx. dmw7wu / t 0.75 mm wide. At what distance from the slit x .w7tl 3m/5 duvpvuwdx8mj; )should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a s7j :wq 0j/o ldpz(ds2alit 0.20 mm wide and the diffraction pattern is produced odzo(0w qaj/sldj:p 27n 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 nm ;kodi hfxgergrb b4)9,.d u iajlvp/3p/2:c-is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screevh9xi/bj 4il3r/pfd- e dbka og,:c2 )r;gp.un.

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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 wiv vbv45bl5uc.dth 0.300 mm. An observing screen is placv4lbb 5cv5uv .ed 2.00 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 seconuyxl15ro7- qf d order maxqf1 x-lo u57yrimum 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 the el2j1fw,4p zb1bk;q w central maximum and the fourth order maximum is 4;lj1eq2zb, wbk wfp1$47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating lotr oq1gx4ng-a.7b2 that is 75 mm wide and ruled with 50,2a r4- oxg7ltq n1o.gb000 lines. The second-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, light of 600 nm wavelength pqax(exlp:51y (dend+ roduces 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 fro: 5x(aqp e1l+y(nd dexm 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 ittz-kdu 2xf,ftbyina7 / 67c g:. What is the angular g axi67ctd/nyu, k-7bz2:tff separation 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-f 4 ie,mb84tn;ki4q4t/qsh fwm9cmj a grating. If the grating has 2000 lines per centimeter, at what atj n qcf4bt/ i i8k4mfm;,-hswme 9q44ngle 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 nj73 *z;apee tom) is used to calibrate a grating. If the first-order maximum occ3o*ez pajt7; eurs 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 f+y ,pif+-9qskouewc*cginxr + 393 cincident normally on a grating. If 9+cquxky33ci,o +fifpc e*nsr+ g w9 -the third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a gratitwz9j(y1ki2 q2cv t,r*loag : ng. If the third-order maximum of the diffractio, vi2 wyj rtz2qtl*o:k9ac1(gn 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 isr x8zd/t4geyx:s xx. oyp 9l,0 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 interferzr 9d g0xl4/ xsx :.,ot8xpyeyence bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thickness of5ho;k2 vvy up*,u 3thv p 9z7 ,v*nvb9p;usvct this bubble wi2 ;c sn,v*; utu *9 5v3tpbhpo,yzuv97kvvhvpll ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). Wha7/n7 d a8skhvkt is the minimum thickness of film that will give an interference when the light is incident nok8ha/v ks77ndrmally 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 nonreflecting film coating (n cynuo 5jbe158 = 1.30) on a glass lens (n = 1.50) for wavelengobync 5e 5j81uth 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 and the intq wf3b3l 5b 7l3wf). s(cy/c;fnyye kmensity of the transmitted light is 1. A second idea5l cyfm wn b3()7fsb ekw3y3y/qf;. lcl 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 preferrnwqq,j 39t2ikfpr0cn8 *hn c(ed direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light ixaosybtukq06 .t 3 69ln air strikes a flat piece of glass at an angle of xqo t 9.06al3s6y ubtk$57.3^{\circ}$. 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 polar/(kal-bb j2 noizer-analyzer combination. The transmission axes of the polarizer and the analb-/lo2j(k na byzer 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 reflected in calm watyx 3*,iqf jcw7er is completely polarizejcx,wyfi7 3 q*d?

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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 proce udw6(6 m.wrndss, the intensity of the light transmitted is reduced to 10% of the intr mw(nw u.66ddensity 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 fe34l gdas hivy2)d x n ql1-27-qotqs1or light traveling in vacuum and reflecting off a piece of glass of i hydil)4-1gnx2eoqt -sa d1 7vqslq32 ndex of refraction 1.48?

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