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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 principlamf1pv2 50lhj;x) rmoe.
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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 statemu db8 nk,pl1(e t4rur5ent?

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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 attr.cnoo( 1vz/tiynch4o; us53g6 hcuk+ibuted 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 av0 bmkel,x6k, 5t;(j 7e yafubttributed 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 int uyvhp/no .ps79 1bewi:8vne6o a medium of 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 (wavelengpdv-rpt*xjihi -n- y.w8w5 /c th = 590 nm), originally traveling in air, enters a piece of glass (index o8w px -jhryw5dv- pic- /*.ntif 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 npp0 u52f5as jim), originally traveling in air, enters a piece of glass (ind2s0 pu5j iap5fex 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 responby u.be7rg, q)fh33w cd72l*g1mw ze4pm 7vxisible for light spreading as it passes through a narrow s2 rez w7*m7c ypg el13w3q.4u imf ghb,v7b)xdlit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffr/q-xc,by g8 t03p-qexz8 fdvf acted by large objects such as buildings, whereas light is not 83/efqt, z-gd- 8xxqvpb0cfynoticeably 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 lig(ha- hn,kopmnv )k +x9ht and dark bands when light passes through two or more pkn+ha v 9)(xkoh-m,n 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 coheren*2 t8db k zpbxq ph-6e vix5wd2yg0;;w+hzb7zt 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 striking a screen are izj7/cr/dx vt)dyr):b93 rhs ln phase with each oth xrl7rs3hdct:d /9yvzj) /rb )er?

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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 l( wbt))kra p8jight travel different paths arriving at point P. If the maximum constructive interference is to occurtj(k8b)wp a )r 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 pkva(48edd5a6 x9ubif aths arriving at point P. If the maximum destructive interference is to occur at point P, the6bd v 5fek8x9(uida4 a 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 . k(pil+t-7 :zqbj:ttiinf7aon either side of the central bright spot in a double-slit experiment, lig-lt+( pk7:: . qzb niatitfi7jht 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 s+l6+mh q yvlsb+wn 8(iide of the central bright spot in a double-slit experiment, light from each opening arrivei+qwbsnvl 8 (+ m+yhl6s

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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 eax3dy ;u70w qqither side of the central bright spot in a double-slit experiment, light fr0qx ; uy7qdaw3om

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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 thwufk r x)1yb+,pw+tr4yq3m8dd rtu.vy+n 8;ce separation between the slits decreases, rv r.ymu 88ycq;w r+fk31 d,+y) tpwut4bn dx+what 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 experiment, it is observed that the distance between adjacent m2u20wi8 poptw axima on a rem2i8w p to20upwote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travels path 64z,4t 6y0ua*spjylcgir i+f$P_1$ 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 Youpf tc*,j8go9fng's double slit experiment arrives at a point on the screen one-half waveleng*g cftfpo 9j,8th 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 interference fringes in a double-slit e v 27mciqspz1:zv yf,sl ttpuik80 v0w-2d 9*oxperiment if the separation of the slits is less than the wavelengtv 8f d pzsi1-*v7:qv0k mctou2t2z9 wipl0,ysh 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 betweensvgha f ,;pxl5qn5wy4...c odyk4(w y adjacent maxima in a double-slit interference pattern using monochros.y ,4f545 v(.haop n; kldcwywy .gqxmatic 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 wb*05e l)eb crkhite light into different col05k l*)ecr bebors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rat2k nzmk;/lu 0inbow 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 slightlyn/; 5ua* y/yteuwe2b cz;s k2f 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 slig8 x2ngx l;5-tflx lg/fhtly longer 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 tk4mjjt6fjz,kj3w;, o2j2. ig , aasguhe greatest refraction when passing from air to gij kk.43;z,mo2 wjjusa 2jgatfj,6,g lass?

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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 undek 2/w,ebe /:atxjfn+m rgoes the smallest refraction when passing from air to glass//awfbx t : e2+jnekm,?

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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 59- .-8v hroi 8wdxqmigogz+gparallel sides, at an +- gi-ox wrh z885i9.omgdvg qangle 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 very1hlya2jm*cfrfx) 1pwvhjd.0 n.8c 7o distant light source. If she now holds up two fingers, with a very small gap between them, afrj)j ha8vh. *n 7xymc2f1.10lpd w ocnd 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 diff3t hqny 4;a;rtraction experiment, if the width of the slit increases, what happens to the width of the ce43 ynt;q; hrtantral 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 lines per cm an)ho-4/rpu -vcqir-ym9 kh ) tsd the other one has 6000 lines per cm. Make a so)kchm) u9 - iry sr-q/h4-pvttatement 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 vl: +y47 gl-u6ocm;xkq vx3 nethe same slit separation, the only difference be:3 v+ul-vcmqy;k 7olx6e 4xgn ing 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 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;pvz 1i (vf1qhed 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 lis1n 3d ./ xz/7opq86xywlx6fvl8p synght waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomen.lyv xsld76xzfsno qy 8p/3/81 6pwxnon 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 -;0krj qr j/mxtraveling in glass, strikes an air boundary, there jmqr0r ;/xj k-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 airh lbktkf*8t5c8k(3 m j, is reflected by a glass surface, t mk8 b3 flckh*jt8(k5there 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 ligh) l*ix1xejo4z5tmb81z kyga7 t. As the film becomes very much thinner than the wavelength 1xz*ty1 xlb)g8k m5ieoz a74 jof 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 minimmlo449 8a od9vfux. fv/p5bfyum 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 magne98 bofv5lay/4 mp4 xfu9. vodfsium 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 av)cv p3t)gu3 from above with monochromatic red light. When viewed fromaptv33)cv) gu 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 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 cp kmij w13ohky5)c/:z0zp *s wcyb. ,rertain sunglasses can reduce glare from reflected surfac wp s/3z)*yp5bozwk0 rhi .1 kcmc,jy:es?

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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 directhas2kyv/ 0hmk *pi;*8q;b u:1d c zgygemg9 f8ion of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized lig:2-5xq zkbenv+y al2c oa,h0ght in a dichroic material like a Polarv,nh :c5blaoz y2ae - qx2k+0goid 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 of two Polaroid films are per+nrnn7b3rnkec1 5 jp- pendicular to each other, what is the percentagepn n erc5nk1+j r3n7-b 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 l6iyx4/+w sw ;o/avbvhake

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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 greatesp0q1,3s d obikt 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 diffractio4ka v /(;r.gt ex8mpg8,aghymn 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 more blue toward the zenith (overhead) z*fw1qs o8fl tr,nq*(jw 45+ zcqqy264egcs ythan it does toward th2+q8c1q6, 5zs4no*wyjezf t*s(y wlgqcf qr4e 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 3 nwqatr3z tj(ay9h .zw:o;;1kmc f1ao63mywpasses into glass, which has an index of refraction of 1.50. Whaz ymqat(j6o 3f 1whytn; kw1w9;rc3az:.3ao m t 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. hfxj1, i8qxo3 bjazk 93vo /u8It passes into glass, which has an index of k ,/h qbxj3v9a38oz1 j uofxi8refraction of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum.ws:apd)h hd yql h0lni9v-,;/ It passes into glass, which has an index of refraction of 1.50. What is q) /i;, nydl0pvdwh 9l:ahh-sthe 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 trm o5hbic/3+giavel 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 wqwtdo4 7p4-q88omy u550 nm in air 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 ysd+v4s-dc*0 yp6wnearzp6 ;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 mz vo+8o:lp;v*9s smsy m apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an angless8;posm9:o* zvyv+ l 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 doublerq 9;wpl(oq v0-slit and the third order bright fringe qw90(l;opq vris 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 experiment, if the separati+;s+r0c humqron between the two slits is 0.050 mm and the distance from u s+r0rqc mh+;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 semiw .1lx3wl0s paration 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.1swi3x l0w lm. 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 wavelength 634 nm fz)95yuruthfckl:15r: s/ u hhalls on the slits: )lf yu91/uus t5hrh5h kz:cr. If there 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 Youngtw9w 6:kdpq t yfhx8lt(( .-hf's double 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 is6wl.k:d-y 8thqt p9tx fw((fh 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, strikes a u;p3uo3wz k d/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 3p uu ;ozwkd/3700 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 lightvl +((dxg krq.:o-zt cn9m*l qpiuu.1 (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece1uz.u( :r. cqp+l -n9tdmxi(g vk*oql 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 om.fguy(xy)2k f width 0.20 mm. What is the angular width of the central du (fx2. mk)ygyiffraction 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 p2u m4: rxfso9illuminated by light of 550 nm wavelength. 42r mux:9pfo sWhat is the 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 68nd7sgeo.8voe34 wlq( s9tc o)7 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second darkt(o7 cn e vw4o83)sdgl oe.9qs 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 slit 0.20 mm wide and the z p9lkqqqak(fw+:n64 r8fdv 4diffraction pattern is produced on a screen that if vqn r:f8l49(adqqw4 +zk6pks 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 is incident on ktue4 o5sqmz1 v76yr/+-pu sng6 mgu9a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Findu7g6ovkp-nu16 y q+g 9tsre /mzs u5m4 the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An observk;bo:+0(-) )zvzihiyf h w pzding screen is placed 2.00 m from the slit. Find the width of the cen-(vi+ op yh0dhf iw:k) ;bzzz)tral maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates2w5- fewe4v-r: 1g jhlajfzzg a4k(7 z a grating with 7000 lines per centimeter, its second order maximum is z h j1fazevg47 r-:z(w2k -wl a5j4egfat $62.4^{\circ}$. 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 2zmrskgi9 t10the central maximum and the fourrs2igt 0z1 9kmth 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/ -90qvjld6jvw pjqjj/ l,co4 incident on a grating that is 75 mm wide and ruled with 50,000 lines. Thqpvw- /j6/,l 04 9jjcdj ojvqle 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 wavelengr dd( zu3 kfb vn7a,vht+6kj(d16hi5 ath produces a first-order maximum 0.350 mm from the central maximum oun rd5d,t(aiv71kv6 afh6b (j3hd+zkn a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction 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 centimq,o )ulvsy w n;25l-cieter ruled on it. What is the angular 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 552,iwuyvl5 ls )c;-qo n0 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 in q7zg3a(b4dzc(a pg3 oto spectral hues by a grating. If the grating has 2000 linec4gqaozbg37d ( (zpa3 s per centimeter, 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 cy2mo +aikj 01y -,rq ghipd1;lalibrate a grating. If the first-order maximum occuj1, pgid2 o l ka1+r;ymhiq-y0rs 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 gr.szd c 3k2itwk0ba+j3ating. If the third-order maximum of 2j+ikkt. b3a 0zs3wdcthe 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 .kur 4lbq7uj-wavelength 500 nm is incident normally on a grating. If the third-orulq. bk 7u-rj4der 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 separ:dp hxy*9 gihm tz*u*/ated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjuxm dy h/*:ph*i zg9t*acent 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 refracti0gn: 0yb1uy9yqi 9bqq on of 1.33. What minimum thickness of this bubble will ensure maximum reflectanceg ui9:9yqq n0yb0 byq1 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). What iswi+ui a 0t 93ler3*+8gh: ffll/aihyx the minimum thicknexl30yg/h+ wufal a:fl*i irti+e 93h8ss of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coatmc;,svl l d rqt-*r -g;m(x3huing (n = 1.30) on a glass lens (n (*d gl3rvtmu qc--,;hm ;xl sr= 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 placedncval;u xvjn/d k 29(/ in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ide uvandl(2vj ;n/x9kc/al 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 prefew5h9m.ckvd * rv:xn8k rred 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 in air strikes a fla8g2v+kwc m -not piece of glass at an angle of kcm8o -ngv2+w$57.3^{\circ}$. 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 thro(r0tsq 3lyjohq +t,i r4wq78w ugh a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer ros,(i 8 +7w rql j0wht3yqt4qare 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 imvr8nf5z .7zhsp.wuk695ha gqage reflected in calm water is completely pola5h87qs9gza w6zrpk.5ufh nv . rized?

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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 osdt5 xc;+:*yoxlf ae-;i u:lanalyzer. In this process, the inte:axou ;+s e5i*yllc:; otfx-dnsity of the 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)k4 dubyekz qnf 87a+.k(*pr(lc tv v/ vacuum and reflecting off a piece of akl z*nvyeuvtkr.k (pqf) 47/ (c8+bd glass of index of refraction 1.48?

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