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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 /lhq u/gb0r-:xv i9ofiple.
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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 statx4zn1enbw ,*tr- 9k*gdyv g1gement?

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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 attribute,uwn,ep 5wj pqp0s w25d 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 attributedc xz;l.m6i1 w k7iiv0n 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 intojyu0le1uxg fc4;jz si6+n h4* 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 (wavelength = 590 nm), originally traveling in air, enter m(8p,5ulm*ex ftgr 3os a piece of glass (index of refractiorlm e,gfp 3x5t (8mu*on 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 = 5l;,rdzf8 kq p49:z,. flq cgk9mdl5jo90 nm), originally traveling in air, enters a pcd.km kroz49l9 :zj fqq ,l85gf;l, dpiece of glass (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 for ligh8w;kt e8:xx 7(sb qdfxt spreading as it passes through a narrow w8:x q8b7 e(sxtdkf x;slit?

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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 ij1 e;y1qu2o jps not noticeably diffracted. Why ie;2j 1pqyou1j s 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 ld3 w2f4m+sdnw w7+ fhxzkp)gyibkk:bhp: .0.ight passes throughgw kwfkyi hpx.)b3b27wkh.:d4 pdzsf n+m+0: two 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 sa b3kv0( 6unf3kvbf(p;ad0 i ggid 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 two ln a16m6 vqx7adight rays striking a screen are in phase with each othemq6 61a7vdnaxr?

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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 ap ija3hx/8 yaif;k3),pr 2 hq: i(8ttrfwi 3jxrriving at point P. If the maximum constructive interference is to occur at point P,jr yxh2fx8rqtkh3 i) wii;3tf,:i/j3 pa8a (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 y/tp8t7m +vlvhwt1w ) different paths arriving at point P. If the maximum destructive interferencewhltv +)yvmpt1w7 t/8 is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of th b3 9; t by/-.dhe0yg k(rcnbe6g3qwrje central bright spot in a double-slit experiment, light from each od03 j(3-cbb y qhnbt/egrr9we6.yg ;kpening 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 bri5 9gyhz1 mnd-c4*srv aght spot in a double-slit experiment, light from each opening*a9 g5nd- 4hycm1rvsz 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 central bright spot i )ghhsf8z( ek6n a double-slit expez6e()s ghfkh 8riment, 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 ,p1carxw z8m gw.0lj0iu3s(z between the slits decreases, what happens to the distance betweerc83(u xi.ml 1j0w,0zgas zwp n 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 qhu .k(s9 ;7evfw;6dr9yqn sp between adjacent maximaw(s 79py6nq.er;v;ukhsq9df on a remote 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/ph ;pbzme2b hym)t08 $P_1$ 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 ojdae-1.p+ 7+aop ew-7alvxruf a Young's double slit experiment arrives at a point on the screen one-ha +x.wje+1aru oa7 e7vd-ap- pllf wavelength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible + *3lr+7nm nhzars2lt,s :t ecto obtain interference fringes in a double-slit experiment if the separation of the slits is less thns sl3h t:+rc*rz72 +,anelmt an 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 adjasl o0df -vu22rcent maxima in a double-slit interference pattern using 2 fuv0sd 2-orlmonochromatic 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 diffe7i6mo)rabexe2e+mhcp4 1j0 2pr x n7p rent col0rpxjr72+2beox me )1ip76 pman4eh cors 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 allowsrygw8 4j7 4m o.+tumjz 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 400 nm is callnowtd6c:m/rs-pc d( a2(3qpo ed

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightl/ ssjutykcodrg*x*cj3jj a.1p*i * +*y 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 the greatest refraction when passing from x6 bpxldj+.kjr(s t:(air to glasps(x.r6jbl +d(k: jxts?

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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 refru7 g6thww9 t5daction when passing from air to glass56 udtg9 7whtw?

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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 ligh5sxqpgpe t q58.cxx 1.t is incident on a thick glass plate with parallel sides, at an angle betwx.5 p.qc 1qegtp5sx8x een $0^{\circ}$ 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 sx /,hs8xn /hurource. If she now holds up two fingers, with a very small gap between them, and looks at theu,rsh n8xh/ /x 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 ek 1nd/6c7uk7(nm: k/lovewr( rz dty/ xperiment, if the width of the slit increases, what happens to the width of the central maximn ckdve( w/nru7yl /dtk/kr7 1m6 z(:oum 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 lilch. :d*unvx 8nes per cm and the other one has 6000 lines per cm. Make a statemev:x luh8*ncd. nt 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 separation, tpl,31czpdb) zlr,) lphe 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 lr)l,plb , pcl)1zzd p3ight, 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 an2q)s+8v6p e u epteo.re caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere conitz4k5i8 0 w cxa4ylh.structively or destructively, depending on their phase difference. One consequence of this phenomih4c.zy0wx8a 4tkl5 ienon 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 air boundaj8i52 :g25 rrcyvnslsry, there 252:vg8ynsl cjirs5 r 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 glhs9)ibq r/ h*)a1ac hgass surface, the 1iqcs)/ghhar9)a* hb re 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 .8voabocc9 d45o ra j;white light. As the film becomes very much thinner than the wavelength of b8oja;a cc roodv4.5b 9lue 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 magnesiumh1 w3lnj5 -dq g4kgl(d fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens t(dnk-hg 4 5 l3qlgdw1jo 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 on a flat glass plate and illuminateddn s,xt.5jlu3-p 8vim from above with monochromatic red light. When viewed from above, concentric bands of red and dark are obu8n xmj,vd- s3li.pt5 served. 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 respon /n(o9wts :+majnc5leqd/4qz 7afw 7d sible for the fact that certain sunglasses can reduce glare from / 7qda/(dwa + 95tq4:n smfce7zlno jwreflected 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 defiyl i;-kkd5ph6p,y aa 9ned 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 light in a dichroic material liks5xm w6,axw)x fr-l8ne a Polar,8 6nxs l)5-wrfxwamxoid 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 perp, a8jvd-x3tt yendicular to each other, what is the percentage of the incident light which will pass the two filj8yxdt,-3 tavms?

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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 suri;4s9pd e:wdz face 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 greatenlp0z*-71d v 3u gnb qwi 8o-u8rf6tubst 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 .bj i;i(ifk k1diffraction 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 ze:q yaxnp4w s(wtc *6h7nith (overhead) than (wh s6xcpy qa4 *7tn:wit does toward 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 / i 94u0skcrxfvacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the /i0r9 x4scfuklight 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, k )c r4 armdanfr7l6.8v )6u8,jknbajwhich has an index of refraction of 1.50. What r6r c6fnl d)a8 kmjn4.u,b8kja7a r)v 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+lq6rji8i lw o ha*:,f nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. *l+liho :f6,irj8 qawWhat is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to travel at 65 v,b+q+saojijv)pdspl9d .ihn ou r)q9m8 6$1.96 \times 10^8 \; m/s$ 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 inv(d k:ef7q s-j r;6bnm 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 in air is found to travla 7s2 pg;wd83im /fyfel 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 cf- ox8r +xm- 4;mxhzymm apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an angle of x;h- +8xmo-rmc4fxz y $32.3^{\circ}$. 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 and ne, vn;h7. 4ls j 0h,j5wmb-cfgdwr0y the third order bright fringe is 0lm,jhs0r;,vw-j7yng5 4dhwn.c e fbseen 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 separation between the two subv+o kc0,-qe/m ijq 6lits is 0.050 mm and the distance from the slits to a -0bmo qjic6 que+v,/kscreen 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 2.0 m:j9rjs2+s0-jad g d,e jvopb 9m, and two wavelengths, 750 nm and 900 nm, illuminate the slitj+ab0se dsj2j9o9p ,d-vjgr: s. A screen is placed 2.0 m from the slits. 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 lighg dmr)5n2ngga4 eno)8/ s:xmyt of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference frinangs/4emg: )gdx yn)rn28 5moges?

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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 doe 2f..r7 p fmoeh-sy6kuble slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on r7ff2..ehe ksopm y6- 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 and 700fy qml271m. rv 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 andmmv 1f7r.qy2l 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 lz ,nln0rz ;uc6ight (wavelength 480 nm) and red light (wavelength 670 nm) is inci6z nz0r;l cn,udent on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0fvjp8rufv (+pi)c 8(y.20 mm. What is the angular width of the central di r 8( vui)y+p8fvj(cpfffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by lig. yk2,23 3ambd vjjj5 gpthf6uht of 550 nm wavelength. What is the angular separation between the first two minima on either side of the cen,p 3.d yfk u2vba26 j5mtj3hjgtral 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. ppcwto, :+t 6a At what distance from the slit should a screen be plapo :atw+ tp,c6ced 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. fo(77dbfhi m nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. .bfmd(h7i o f7What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slb1q85kpvk g h cwk5g e3 6(5p,rxfldo(it of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the positi b(kr3 6k51wghog(, xk5vl5fd8pcpqe on 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 p)t-wp + v:,6)afdcskz-yeb tmm. An observing screen is placed 2.00 fspp y-- d k,cbz:e)vtt )6wa+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 g+j+phw j b d.;m/bl6n7000 lines per centimeter, its second order mawn6. g /l j++bjmbhp;dximum 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 c9i7p7u nck6qdm. The angle between the central maximum and76pdki nucq7 9 the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating thatz*svq-b)d-zkyj*. gn is 75 mm wide and ruled with 50,000 lines. Tsz* z q.y*)bjk-gdnv -he 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 ofs8 erw7m:/zz7bdmq k a2v3i d5 600 nm wavelength produces 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 from the central maximum when it passes through the same diffraction grating. What is the wavelength b/ wr dd 8:a23immeqkv7sz75zof 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 l zh1pom5r der)e5 /hy)ines per centimeter ruled on it. What is the angular separation between the second and the thh )ey5)hpzro5 e m1rd/ird orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a gratin fi*ej (ttgm5hz 0h-*og. If the grating has 2000 lines per centimeter, at what angle will red light (izhfm t *o-eg*5t0(j h640 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 u+sq db6,ke ,o7y9jnhfsed to calibrate a grating. If the first-order maximum occ9jh qb7yo kn6+,,sedfurs 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 *prk1eeo;t2bt 3-afhwavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pt-e r 2opft *1ea;3bkhattern 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 ivz 9z7)) gvht8w(xumut8mjt9 ncident normally on a grating. If the third-order maximum of the 8xv(9g 8wz mtmu) 7)tt9v juzhdiffraction 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 separate (e5k er9r9xvyd from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength9( xvrey9r ek5 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 thicknesqv*scg8t ,v9 jfz))g1gas)6mo lv 3u. qn.mgus of this bubble will enslg,.vmsf* 8v. )gn )u1ov )zas9qcgq6tmuj 3gure 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 = 1.3s4xph5d;v;o* wsk nq: 3). What is the minimum thickness of film that will gpdkv4n:w* x;5 ho;qssive 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 nonref3gnuwm4 7a( uflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wav f47(3unmuaw gelength 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 evscm osso9:-c7j s /.light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the j7vcmssos 9o: e/cs -.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 directr64 azv1*i7f z,ksajt ion 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 eu4tlvnryf3bc ld-10p / e2f4 flat piece of glass at an angle of tff 3cy20 e 1vnubdllp r4-/e4$57.3^{\circ}$. 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 thf x5fzk 1 6f8qjkyqo :8oblr);z*xzc(rough a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer arfxb*()zzfoz5l 1 kcor q; q:86xkj8yfe 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 io)xr, 5l5gm *djio 8yyc-n;pqts image reflected in calm water is completelyc5x8pd) n,gjym orqli- ;o y*5 polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this proc/xrrpyc j:l45zs-7 0 8vaizpe ess, the intensity of the light transmitted is reduced to 10% of the intensity incidentspxryclar 5v4jzzi-7p8:/0e 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 vacuum and reflecting(g9afnf5o 3+ho4hgq yh5eo56gdu,xk it:f8 m off a piece of glass of in ggx8yk eg6u fa9 h(4of:qftdo+,m55i5h nh3odex of refraction 1.48?

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