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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 principl.*/av6embxkz9 sc*1khb5u ub e.
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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 fa mj4fxlo* 5)lk.r; syclse 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 attribsmorp5 ,f7l8 juted 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 dryt0zb y+ *i:1g)kjjattributed 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 optical denf)i l 0u, 2qm;yxhsr)asity,

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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, entwfay / 0sn5o8n7ade0hers a piece of glass (indnaywn aof5e0d0 /8sh 7ex of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelenge9tf za t ,aj534 pbiz/7*ggc3kt/rtath = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wave/ba45 jttek397a ia /tt zc,pf3g*rzg length

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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 4,l+4mk p6/tzefcs0cbeq2 r ffor light spreading as it passes through a narrow slitce426c0mffk z pe /+4ltq,rbs ?

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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 lvt 2ok4y4(pyr6*, boskcigx: ight is not n t2 yvxorp4 cbgkos:,ki*4y (6oticeably 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 light and dark bands when lightx sf9 )dggv *kvtp( /:edq02v*wyx*ol passes through two or more naq/w*x)*9o0 kxp tf dgv:2sg(y vld*evrrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if the* dpm7 0jm.rirf ,uwt9+wudxw j0 9xx:y

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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 ah lgjauc6)9 ld,aqd1; if3q0 rays striking a screen are in phase with each u)3lqa 1jddf, ah0g6cia9l; qother?

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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 arriving at point P. If thpt9 0s ku40qdbpa.3q iz:j +zce maximum constructive interference is tozkqbpc +z4dptq: su0 j.0 93ai 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 difft9 yyp+ k,s;aq;g i6yyerent paths arriving at point P. If the maximum destructive interference is to occur at poi ky9,yatg;sp;qyi+y6 nt 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 e9 .k6,q3 kji7qsuvbh jqa(2ojither side of the central bright spot in a double-slit experiment, light from each kq,kov q2 67aji. 9u3jqshbj( 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 t ztqh t0u ,8ik.++xqovd1azc 2he central bright spot in a double-slit experiment,1xa2qq.ot ti 0,h+uz v8+z ckd 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 trzss9 tp p4 *8xohpw7+he central bright spot in a double-slit experiment, light fro *ow7sppsth8 z4xr+p9m

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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 between the slits cf8vyh on - *:emfh4e8decreases, what happens to the distane 8-v cfeh8*ho4m: fynce 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 adjacen ;cujarb415y4 s( em-ni4rced t maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut icrnd se(1-4ebc4yjmi 4a;r u5n 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 tralexch- u6k2a7 vels 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 exphkd*a;r 2bsg: eriment arrives at a point on the screen one-half wavelength behind the wave from the otherr;h*kga: bds2 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 )89m7wmm .l-ornomygbsz 3, j in a double-slit experiment if the separation of the slits is less than the wavelength om- .sg8 yonrobm 73z mw)9,ljmf 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 pattern usib v 6pt 3qu94novg3,tzy qlz4-7h)tmsng monochromatic lizplqt z ob4qvtm) 3t6,uyh4g-s7 9vn3ght 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 bosc:w1 /*t)* go2y fyme +zoea prism separates white light into different co/y2 towfeoby )*e:1*s+mz ogclors 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 rai ,lbnku.3zrw -nbow 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 shor zkzfdl ((6e;rter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longerd a+phwxd 6.a2 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-kwe2 b cpw,3q from air to b2k wpw,qec-3glass?

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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)v y.pzpqe6 jho4/e y642(t/uyqpjo g the smallest refraction when passing from air to glassoqvey 6zy/6 4epqpuhyoj2t 4)/p.( gj?

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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 platz/gao (+e3 swda-bui* e with parallel sides, at an an/aos*u3 zi +(gaed wb-gle 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 distanb:*e.uam/.8e o1 5wvkalrob f n ac80qt light source. If she now holds up two fingers, with a very sma*v r5wae .a 8aoqkb01u.f n: 8clobm/ell 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 the width of the slit increases, whj5v v3nmo-pjf*5l3ddjg 3v5iat happens to the width of the cen *j 5v3jlmd 53igd j5-3fpvnovtral 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 400: o 6 +obn nfy*s+ix1pa3wrz-i0 lines per cm and the other one has 6000 *n-apnfrxbi6+wo +:iy o31sz lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, th1 .x* y: wvsd;avya x2bpsur*(e only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, maka(w2yaxbyv **;v:ds rs1xu . pe 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 by rl,66whdci cm-eflection 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 conslwp0yj77m(:o: o,ef nbvu+hxtructively or destructively, depending on their phase difference. One consequence of this ph:+ :vp0 b7o ym(ex,uwoljnf 7henomenon 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, strikesz, ;d bt1o52p thm5lwgn8nk2j an air boundary, there i8 w,ttj n 52phod2; 5lm1bzkgns

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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 glass surfacelqz 4is xv/4n1, there i4 z/vsixn l41qs

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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.v9;9wk4ss y vj- vh fu86wrd,t As the film becomes very much thinner than the wavelength ofwt4uv99fd- rvk;v,wy s8h 6j s 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 ihg .9kj9 r8nwen magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that mus8 njw. ger99hkt 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 on a flat glass plate akttzg3 ,0nw :jnd illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of w ,n0zt3kg jt: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 responsibl) zmx bp-1d3d9q0bj-z ry id*te for the fact that certain sunglasses can reduce glare from reflected*dx rjdpz31bb0d - iqy9)z tm- 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 -leq pjt: 9.yiof 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 polar9yo4x:c3u rl*o 0yfyxized light in a dichroic material like a Polaroid film?xf3* yo4yxco:ur 9ly0

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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 perpendicuq1rh*.zt f r+ n::xiui1toxw 2lar to each other, what is the percentage of the incident light which will pas 1whi fz tq+*:nx2r 1.ixtuo:rs 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 m0yxlsj(51 hkthe surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is g- nr 5r)sht-slreatest 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 diffraction Nugl) /sx2ujv hj)+4 :q:iw9xzz uam;mkblr.6OT 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 (overhean7, 1qkz: 0,gq khfbibd) than it does toq ,g 10kn7b,bqi zkf:hward 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 of6s6ucwbqf p9z1ys /* p 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelengthqu pz6619 b*/swcyfs p 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,hlhv6,9v m 1f1sh p)ki which has an index of refraction of 1.50. What is the frep hk9ihvm6 h1,slfv1 )quency 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 vacuuj+5us/ q.m,yh2r3e sl5byx ccm. It passes into glass, which has an index of refraction of 1.50. What is thebm+l5 sy.j/xeqchys3 5r2 ,cu 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 e h7 a6igz5v-:ngsj6 stravel 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 ingvb5o ; q/8zez 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 nyho(rh. o+8 dem 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 a*t,q+ :akmvzp part. Monochromatic light falls on these slits, and produces a fifth order interfe+z :a q,pvt*mkrence fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third order bright 8w . jrtpp9pu,ui5 5gofringe is seengr 8pj 9upow5t5 i,.pu 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 slits isobjys rtk670yy:i- ; z 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the firstiytzy-6r:0js7ybk ; o -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 experimo+wtm*cb3bv + 4pj.lp.i ,eyl ent, the slit separation 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. At what distance from the central maximum on thp++cpt , ove.mj 3l biy*wl.b4e 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. Monua wugx3m4/ k;ochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m awa/mug ua4 wk3;xy, 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 that has a sjomt/x aa0w g la5oz/ d1o+t./lit separation of 30.0 mm. The resultant0 oodmo/ta5jax/l1tga.+ w/z 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 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 contn)xkf0rl lc9x;; ne.iaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and .k 9rlxifn;;)e0l cxn 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 bl c:5 jt/5pqf2xxjdjw/ue light (wavelength 480 nm) and red light (waveltd/px f:cj/5xjj w2 q5ength 670 nm) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What is thlwe66 cbi*u.* l(jfrg hq x/+be angular width of the central diffracti.*e6bw (g 6ic/ul x*fl+jr bhqon 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 illxl5u j:79wp /vk7 pdrpuminated by light of 550 nm wavelength. What is the angular separation between the first two minima5jpulx7/kv7r 9pdpw : 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 yr i 1n0 a504 *hsmacg9:samvda single slit 0.75 mm wide. At what distance from the slit r4gacd0ym9 i sa 0:1shvm* a5nshould 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 and the diffractio3bxl8+loy5aw n pattern is produced on a screen that is 1.5 m from the sloywa 3x85lb+ lit. 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 s: rjfe5 v/uq.06qfil6h 6ku knm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Finfvue0r l6if6k 5.q :6sukhj/q d 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 m: rq(5vqrh5f 5qie0e 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the cen0r:eqfeirq m5vh(5 5 qtral 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 ghq2r7b +1g/yr-v duwfrating with 7000 lines per centimeter, its second order mq+/fdg7 1vhyu-r wrb2 aximum 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 angle7r+s m ljzam z7xse 1,apz+x+0dvlh0* between the central maximum and the fourth order maximup sz+sxmrzl0le+ a 70a,*vjxm 17hz +dm 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 that is 75 mm wide and ruled witxk6et9 e tlgbs/xb 0ixa;:r178 d7nhdh 50,000 lines. The second-ottd:gak 7e x 61rl8bx0 h9 b7end/s;ixrder 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 604lbv (lc,,fw u-1t dnb0 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic b(ul-b, dnv1w tlf4,csource 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 ceny szp: u9faeq8spp,3. timeter ruled on it. What is the angular separation between the second and the third oa:ef sq 8. 3pzps9yup,rders 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 hud084jgeb qkl 2es by a grating. If the grating has 2000 lines per centimeter,b8 j k4ldeq2g0 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:v48 pl da4q ,6kw63ytlm pkmrx(ysv2) is used to calibrate a grating. If the first-order maximum occurs atvl,mw6trp q pas2:km(y 83d6l4kv4 yx $20.5^{\circ}$, 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 bh9yg nz.(k)cgrating. If the third-orz9.c (ygn) kbhder 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 uovaidx ia-p )mt8-.xr+c 9w*of wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pax )ar9a*mxid.o+t8i w-upv -cttern 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 glass 6crhyv 93f1poplate 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 wavelength 600 nm?6yp9rcf1 h3ov

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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 ofv49air , iu2gx refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of av29xr,gi4 iunormally 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).dwx +: f*ua av.,nl1pr What is the minimum thickness of film that will give an interference when the light is incident d pwv na*.,x:fau+ lr1normally 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 :e q eabp6r:m*of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengt6me*arq: p b:eh 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 intensitzecx)so:krdx: /p q*(y of the transmitted ligd*)x pqc z/(:krosx e:ht 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 direc9jq3qyypl + .ution 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 piece of glass at an angle (d)ytz x,9zf. xe yzer.wo +i1of w1 deo,z it9yz ex+y(f.r)x.z$57.3^{\circ}$. 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 combinatir)b,9k3a fq5oyy9ol m on. The transmission axes of the polarizer and the analyzer are at 9m35 )qyoarf,l9 boyk $30.0^{\circ}$ 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 watgyqc1f-qu p228 lzhv1z-h8 jter is completely polarig281y 21q-8clv u-zhq tf jphzzed?

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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 aw r3hcdh5*tv7 /t1d ptnalyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incid 7dt13v5 hthp/ctd* rwent 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 j8ijdf(/uh j)24nm uo* *mtiioff a piece of glass of index of refracn*d2ojmj iujuf h/ )(48*imtition 1.48?

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