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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 princ/*2b sfc4pd oqiple.
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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 q wwaq8a19 33ji i7zbofalse 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 attributed t;pjr41 fs -u0hak6zato

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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 attributvl-j)f5 vb ,qqed 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 different vgp0xa l)06hk 9kjvnee i0zt x6/zq/(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 (waveleng.y13q iz7 v8jdvu. ffoth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its fr1u o. 8jvqf7z dvif.y3equency

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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 (wavelen 3 9xv9nifv wd,q9:sktgth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its waveld9,vfiw 9k nt3:sv9qxength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible fo/+ 43skxdw(3knq v txlr light spreading as it passes through a narrow slnkw/xq 4k+l(t3 x sd3vit?

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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, ww1y 18gm+m w t3wl d2hnn+sux-hereas light is not nohysnltwx2m-md wu1n8gw +3 +1ticeably 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 altern; fx-pk8.cb1re ds6jsating light and dark bands when light passes through two or more ns6ekpb;x. rscf 1 8-jdarrow 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 coher/sw *unm+ g9qvhfy,yk8vo+me o c 1/vrg;0/ogent 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 twof: l:s*cy)jouy hpta .,.5jor light rays striking a screen are in phase with ea:5: osu*.,j. to yrjhpa cyf)lch 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 difyzi o:ikd6/l3 eh7 :beferent paths arriving at point P. If the maximum constructii dhk7b3ee l::yi z/6ove 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 pnj5vush p* 9/ek0ze 5e1w r5kthe maximum destructive interference is to occur at point P, the two b5j phwvs0r5pne*k1/5e 9eu kzeams 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 ub8:nv*4vh z fspot in a double-slit eu:bhvz*4v 8n fxperiment, 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 eith)(pr wt vxh)tk/vo1:i 83/8glzxgqzler side of the central bright spot in a double-slit expet/83i 1x (q/:8ot)hvzrklv)lwg zpxg riment, 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 *xxx *ebe. mf)y*: lgxcentral bright spot in a double-slit expe e*xel*y x.f:xm)*xbgriment, 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 betwe4eea m-9m4pv+xf3b 7y w.j sxcen the slits decreases, what happens to the distance between the 9.w 74bx4 ayjx+pcemvf-e 3ms 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 distav-gxe(ft6v 9k/ mzid) nce between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance betweez d(/tm vfkxi6g9-e v)n 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 lighss --8m/xv/9r3bow-f 8smc o/ucsu zbk.gqx0 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 doux4af/i0b l9rc- o.h uvwdg; 0fble slit experiment arrives at a point on the screen one-half wavelength behind the wave from;4 bg0.0 - hacixof fuwd/rv9l 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 i x myv-05 fmdtqx14w(ba,y9ee nterference fringes in a double-slit experiment if the separation of the slits is lessmqmf1 wvy-( 9x e4,5ebdy0txa 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 pattg l. b(-v,ed7a xoub0bern using monocdbuv xebo lg, (ab.7-0hromatic 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 e 4)k )dj;(lu+tpchk itxplains why a prism separates white light into different coloc 4ukt;di)+k)lhjtp ( rs 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 rainbow 3zvhsqo y- szv+s:0y kmo.33zto form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm is/qv- 2l 2zuilk 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 lon70. 8z1yz 0jq lwq*/,f jm9hcoduneepger 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 greatest refraction when passing f v/1vs/py 6tpurom air to glass?1us/py v 6/vtp

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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 under qq6su18mljq6n u3(gdgoes the smallest refraction when passing from air to gq1j(3ulg66 ns8u qdqm lass?

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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 7q/hina 8fte5tg , p+lglass plate with parallel sides, at aalpng8,tfe5 +t h7 iq/n angle 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 lightm,);psb( 1gps a8 xlxv source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she will se)a bpspsx (v1lgx; m,8e

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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 the width of the ssu4r+aa dz(m*5qe sy+lit increases, what happens to the width of+(zyqa*ar+ 5dse u4sm 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 line*ogst) e.h1kj 8zawbi+( eyp3 s per cm and the other one has 6000 lines per cm. Make a statement comparing the 1i(zgte3* h .s8aopwk y +)jebdispersion 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 separation, the only diffezyn( ur xh3 69 *2*d)bojlz-wvab3cznrence being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of thec63ly(9onx3whz vjznb 2-u* * az)bdr same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused bxk3l1w , x.w*ap, m+epcyd+duy 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 interfere constructively or jpt q,.h r4c3udestructively, depending on their phase difference. One consequence of thcqj ,th4.pu3 ris 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 ab 59nicy(ewf;xj8e4 k ak;o3 bir boundary, there(8jy b;w 5kebi9eoa;3 4xcknf 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 wdm-bfk,gs mad 4*u5hsd h84jzld81 6 reflected by a glass surface, therew* j4 l d8bd845shuadfsmm,gzkd -16h 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 very jziu-)mh jj/. w:0 7lxpgqyw+much thinner than the wavelength of bhy/j- .mj +pwjq0 zwxiul:)g7lue 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 lig1*dbo lf4-acdfp7kd 2ht in magnesium fluoride, what is the minimum thickness of magnesium fluoride coa*2c-k l4pda7d b1 dffoting that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that 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 zwz 3tasr -2ymq/(c 2eon a flat glass plate and illuminated from above with monochromatic red light. w-/y(q2 e mcsz2z 3rta 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 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 sunglassa.uey5 r 1hv8qes can reduce glarh15ra yv8eq.u e 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 direction of polarization is def-pu 0 v80/)*dvr5sxdtrcbhbmb ;a l k/ined 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 polariztzhaf myp)o/z7-/h wv7m y). zed light in a dichroic material like a Polaro/ vfwh7-)t/ 7mayh. mzoz z)ypid 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 perpendicular to ehjup.kg1mns 3(/ kb1tach other, what is the percentage of the incident light which will pass t.1/gn(tbsm13pk kh ujhe 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 su0of4tq aj0u1 x,djt,vrface 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 4 2b dd(fm:(y(f/cfi dvr-pg mgreatest 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 diffractio* arn,) w *v7wr5ffquon 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 (ibgc(2 v5kwrj7 f nc0be more blue toward the zenith (overhead) than it does toward the horizon. This occurs becj(0ibn7k 2f5(wcrvg cause

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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, whsqg*anpu-zimdki .0a9 5o 76mich has an index of refraction of 1.50. Whamdm-k7z au* 5.sqpi0ain6g9 ot 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 ei-gk8 r((zho index of refraction of 1.50. Whg( ozreik8 -(hat 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 glass9hw/n3s r6omjz6+vn imfq/a - , which has an index of refraction of 1.50. What is the m 6m6nao3i +srfn-qz9v/w j/hspeed 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 vag-*bzry:fef c;e9 zs8cuum is found 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 travel athfh:r3y)r6iznhc 6k m -*h8xr2g rb1h $1.96 \times 10^8 \; m/s$ 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 air is foux)+7g,q5jle /(jyitc 3do c*jfn* vemnd 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 these slits, a00g(zib fh6rrk. r e8ynd produces a fb (y kz600rgrh8fr. eiifth 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 qzjwm80)b:.c cnld1;evxh ; rnm falls on a double-slit and the third order bright fringe ;c8hjzcne lw0x )v;:m rq .1dbis 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 th83zy:vjdqnk ) /e,bhnc zo8, ge separation between the two slits is 0.050 mm and the distance from the slits to a sch/,cd gz:8ozv)e jbn, nyqk83reen 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 2.0s7d h.(y 0enjv 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 t y07vjs.eh (dnhe 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. u +rf1z;.uokyops: *z r./qef050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. z.rks*1zy:+fp.oe/oruu ;q f 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 Young's double slit setup 3uyj+s:m, ma0 gat-irl e36zy that has a slit separation of 30.0 mm. The resultant bright fringm,-u: 3+6 al zsatrm03ijg eyye 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 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 ubyh1o- tidmnw2t):mm)xw , 8and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glassywd)i1wn,8 u htt)m2:xo-b mm 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 (wavivjj2y9 /(l;rl,deq gelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glasjvr9q;/ lydj,li g( 2es 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. gyo(oq (f67)*ybmqiq What is the angular width of the central diffraction pea*oq(i bmq(o6 y)y gq7fk?

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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 light of 550 nm 81 h.(iqfez:ie:zv2khcppl,wavelength. What is the angular separation between the first two minima on either side of th, h( k8 e.pce2zv1i:z:fi lpqhe 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 ist)i h e:66 y(8w2a;bfn6j slzaud pgf. incident on a single slit 0.75 mm wide. At what distance from the slit sho uzl paajefiw8;g6(t .b6f6 2n:syhd) uld 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 slit 0.20 mm wide afldf jdfs 30dn * *ymwbhu( l)(4w3y5snd the diffraction pattern is3( wss43jd(fhn*y ml0luw) db*5dfyf produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on qrqq3 0p z9wjp)td2 ;ya slit of width 0.300 mm. An observing screen is placed 2.00 m from the slitz32;)r q qtp0pywjdq9. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. rh *m9fckgp, r)5c/rqo,.duxAn observing screen is placed 2rx*k or9chgdqm5rcf , u)/.,p .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 wm/n3vya6hql 7 i3wdn6 /z fgk;ith 7000 lines per centimeter, its second order maximum is at 6z3 l7n a /mydknwi6;gf3vqh/ $62.4^{\circ}$. 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 centrnnvr + +rh0fc (6d3hjjal maximum and th60rd3 hn+jh+cj nv(fre 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 inciden7w s)bnq1.g )dxer*hhux se ..t on a grating that is 75 mm wide and ruled with 50,000 lines..r*snew xxg.s.))bhqh1e7d u 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 prodna/hi/h eo- (p8wd 9vq 9wl0kkuces a first-order maximum 0.350 mm from the cenoph akn (dl9w/ki/8 -wvq e09htral maximum on 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 gratinghno,as7co 9y6 has 6000 lines per centimeter 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 lig96nco7 yhas ,oht 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 sph gz1lo j+(bp;4j e;9m* lztdkectral hues by a grating. If the grating has 2000 lines per cee 9gzj; 41j+mh zbp(dtll ko;*ntimeter, 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 calibrate a grating. If the first-order cv.ndzwjcq:k-(n5 *a*s gnz 8maximum occurs a. :z**(8 -5gckzdcnwqvs na njt $20.5^{\circ}$, 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 g 6r3xs,tr2.sp+mte g on a grating. If the third-ordg6rsp +e strtm23xg.,er 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 a ke -qk,nm3xn+.n+kps;g7g xnormally on a grating. If the third-order maximum of the diffraction pattgnn7 nexps;xk k,3k -aqg+.+ mern 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 rto5g gs1za5z;8 f-wvglass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are 5tzgv1 zr-aw8 of;g5sthe 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 refraction of 1.33. What mi7g6p:dl- ftou:kdr2 m (fad2animum thickness of this bubble will ensure maximum reflectance 6rp-dg::a7(mf al2 k u t2dfdoof 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 (qifr1gww;3dl8y gq/i81k e sfilm ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normal81;y d ir/gq81klwfsiwe q3g(ly 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 o*4 t6kws5mr3z og 7uxbf a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.5t75w b3xgr 6z*u okm4s0) 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 placed in a beam of unpolarizek:2pl(fc os0n 55pyiwd light and the intensity of the transmitted lightokn:y5s (cwfli02 p 5p 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 dirmg6zg f. irjg57/ p,coection rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat h dj6ndafn xu1(uf0,cm;w: 8dpiece of glass at an angle of wa0fm nxcn1u jh;:ud d,f6( d8$57.3^{\circ}$. 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-analyzer 2+gmo xnio6a8e-r ke, one5s ;combination. The transmission axes of the polank5xe6n -2emei;8ao,go rs+orizer 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 reflected in calm /hep:g597 52vfx6brrk zvdnq water is completelzr 6p v95hb 72xrde5gnfvk q:/y 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 pol3xbk(t pd4).whc5vk7h gd +h iarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the anglkd.c h 4 x735+hvdkw(bph)i tge 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 ak xu4qofm3. kq tom,uy ;;8r9snd reflecting off a piece of glass of index of refraction 1.u8.qurmk 3;xko mo y94,fstq ;48?

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