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习题练习:Physics Unit24: Wave Nature of Light



 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 principoxi4 ,abeuoo:glpx .- .a2ni,/n 8dgmle.
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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 n,27*ba gv+aj w6*vejukq8 ulis a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of lighm qtraj c-*p)j/h 2uy+t is attributed 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 attributed : qmn/xhd6mn* x-qt z3to

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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 op, c9y+cw9q u ql 0jb3.uc)mnyu x6f8dztical 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 ,v8fvp0(lw jgzh/1h q, enters a piece of glass (index of refraction 1.50), its freqjq w v/1phg(,zvf80 lhuency

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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 nm), originally traveling in mp8)7xf(yoci 7mvwjvjrm ,d, 10p9c cair, enters a piece of glass (index of refraction 1.5v 9mvocr c7y)wm pd c,fm 1x7ijpj,(080), 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 lighdf9rx- 2vj2-r 1mcfv dr3)kb ct spreading as it passes through a narrow slit? v2r dmxvj9-r3 -fkdfb1ccr2)

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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, wherea: yawqt(zldyqkt/3x 5tc0 +/p 07hvkcs light is not noticeably diffracted. Why is thiy+qlh: ad5/wtcx q yz0/cv(07kkptt3 s?

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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 luns 4c-tv8l, bands when light passeultsn c,- 8vl4s through 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 saip43 vj e69iakkt1ynzo1,*po xd 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 light rays striking a screen +r/oaytuo .83uu .r8tgx0g mjare in phase with mo/ 83xo + gu0 jgtu.r.yart8ueach 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 different paths arrivi/+ hl35g0hnc 8lk y58k-xjwwa/pkil mng at point P. If the maximum constructive interference is to hpmikgkl n585c/+klwl /y a8 0 jxwh-3occur 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 coheren 6 gy9ic01i-2gw.rvkudlyw 0o t light travel different paths arriving at point P. If the maximum destructive interference is ug 29l-d .kig6r 0w1cow0 vyyito 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 the central bright spot in a double-slit eh4ir1 r 1xak8wvb /q3rxperim xk/1br wrvi3a8 h4qr1ent, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of th7mojm jlsv2;* e central bright spot in a double-slit experiment, ligjj7om2l ; sm*vht 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 theg9l4l bbajx -q u.98;3 znhgwc central bright spot in a double-slit experiment, ligg4.lz9h3qw8bnguxb-;jalc9 ht 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/bke;6y nqy arx841y e the separation between the slits decreases, what happens to the distance betwey1r6 /ka4qye;8 nexyben 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 experiy:i7w v/6hm prment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjai v67r:phmyw/ cent 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 poaomh) ; (*sfgww9cu zat44b.ath $P_1$ 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 o9ezlwga dsrcv+ z1;04f a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from + 4l1rzczwdav0e g;9sthe 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- dq0hyt x3 uanstf z22.f me/+f9z,gld 4my,c3slit experiment if the separation of the slits is le fly+fqdu4 mxnt s3mz,yg0f2/3a ,h 2 .zt9cedss 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 interf/wy z-ry xrur77mfnp 3u21 +yaerence pattern usinzn+u7w2/y 1 pru37ay mxfr r-yg monochromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why qsg42afff+ 8bk n2gn0a prism separates white light into different co20 bqsn4fffng2g + 8kalors 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 all9ezc-a zjusdv2yxwg(6r ;f2 ecy7.b9 ows 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 slightlj*y2f)8 sfdr 7 pcism1y 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 *;a j7wc06mogq)n9+uim- q 2mkrnzwd slightly 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 pa4ripl6xbn hv93n7k )lfz (h*d ssing from air to glasnx94*f6li)hpnz v37hrk ( dbls?

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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 smn p dmc8b;(vj/allest refraction when passing from air to g ;8j vc(nmdb/plass?

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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 tx)j ,mkwo:ou+, ctd /jhick glass plate with parallel sides, at anm, dk/o)wu +tc,j: jox 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 verj4bw,d icm/df; .puc .y distant light source. If she now holds up two fingers, with a very small gap betweef .j;/,4.cm bi wcpuddn 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, wha ken d,qy:4vgwu0 dg:,t happens to the width of the central maximuqy:n,e4k0wvddug, g: m 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 h vjsxnvbz;w0v;z ;z-:b34a.im nh)g gas 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the disp0i;b. vzvwgmh;ga) n3; 4 jznv xs:-zbersion 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,x/zzsx:; a. iv the only difference being that one grating has 3 slits and the other 4 slits. If both g: ./z;ivazxxsratings 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 caused by reflecti4wt6gm*dcy,+ys( ve pon 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 c/fx,gcmm 38lqan interfere constructively or destructively, depending on their phase m /,8lqg x3fmcdifference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is trak()ip acdks+ lv,)r ja40suu6veling in glass, strikes an air boundary, therd iuaku0)ssr (l+c4,apv6j) k e 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, r imh fb(tl,qj/:lw6j,83kb pwhich is traveling in air, is reflected by a glass surface, fb,qh( m tl3 lij8k:p/6,brjwthere 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 k53o dd -;8,zhc purr/jgtq*fthe film becomes very much thinner than the wavelength of blue light, the fi/jt5c8,d pz;ou-h* q fr3dgrklm

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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 magnes hj0 ab s6*i7my,embo*ium fluoride, what is the minimum thickness of magnesium fluoride coatings* hoimb y*bm,aj67 e0 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 on f 3 :3.uzfau;wki5n 08taukxna flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What d:8afu3xfn nwuka .;u05 3 ikztoes 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 +6bze7i+cvshp 8qysd tsx.h ,edq22* fact that certain sunglasses can reduce glare from reflected surfaces?bqp qe x,+ tc7+2szse2ih*sd vd8y.6h

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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 d,e10pkq upn9 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 light in a dichroic materiw4,/ebiwij2 4yp 6moc)7hrrmal like a Polaroid f6bw4 )ip2 c iwho r4ey7mmr,/jilm?

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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 fuoer 0r/be(twmu uhxs,g2/ 6j h r5/m-ilms are perpendicular to each other, what is the percentage of the incr / umh6 /(ejr2 wrbh,mt-gx50ous/u eident 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 fr5e)mtc ld ),- hb-jwjn.sstz; om the 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 grt v181;l;;+dlchr1zoxpzl3kz9b fu*2 uyc xo eatest 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 NOTvyt 0,zpuy e)- 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 towda/f;p 4k;b9 k yqx;xyard the zenith (overhead) thandf q/pbk;k ;;4xy9xya it 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 vacuum. It pxb; q1zu -x.bbck6rs+asses into glass, which has an index of refraction of 1.50. What is the wavelength of the light in ;x. xkz+q s r6bb1uc-bthe 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 k;.nn e(nty,fs91if p index of refraction of 1.50. What is the frequency of the light inside the glaifsp(nt.ye nnfk ; ,19ss?

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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 i)/ ryf0g*kek hnto glass, which has an index ok*y)k /hf0g ref refraction of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in0i k jkt0/h2jn -0ezrl vacuum 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 atfc .,j9 rad3ty4*wxez $1.96 \times 10^8 \; m/s$ 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 1 rp0dcdqf .c*air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Mon n q* shs;dbn)+he.yn*ochromatic light falls on these slits, and produces a fifth ordn d*qs) .bh+;nys enh*er 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 nm falls on a double-sl1hn; ;uv9 kbchit and the third order bright fringe is seen auk;n1;bh chv 9t 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 thedz.iu e4vx onj++/ a733klbay separation between the two slits is 0.050 mm and the distance from the sliy .xa4avijnd3/+kz3ub o l 7+ets 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 experime4.rsjufip, em )4ijb-nt, 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 the screen will a bright fringe from one pattern first coincide with a bright fringe fr, -ie4)fmbpjurj 4s.iom 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 aparliqe,t)6m +(w;ypi dc t. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringec;letwiy) (m,q+p 6id s?

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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 sli,:pjztja:ub*h )1n j;i yq5 udt setup that has a slit separation of 30.0 mm. The resultant bright fringe separation iq ijyz h:)jaun p 1jd*b5t;,u:s 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 and 7009qw3xs( bve3 ;;vuk b,5hlatfws 2y th(ov/-i nm, strikes a plain piece of glass at an angle of incidh;bt-tl/32wv wv(ai, hbs3 k(syvxu9qf;5eo ence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (wa;atio/ 7d-dcjvelength 670 nm) is incident on a thick piece of glass aa i oddc7j/-;tt $80^{\circ}$. 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 as5da6d5y5ru/ 5dk*hvjjd v2w single slit of width 0.20 mm. What is the angular width of th*dv56d aw5v/hy d5 us5k jjdr2e central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illfiqoyq c9 b0,2lcw 6,zuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either sidcq,iclzo2qw0fy 96b ,e of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a si rms9ikqg;o 1l vp9+/ongle slit 0.75 mm wide. At what distance from the slit should a screen m 1q+s9/i 9vkool;gr pbe 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 u+ af)) giu(d;.ommeson a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width u +fd(se;a g)umo)i.mof 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 slit of width 4jalr9dm.:m m)rm ( tq0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark f dm9mtalmqm4:r (.) jrringe 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 ; z/jpfp( orb5q1ngt 1 j(;tdgincident on a slit of width 0.300 mm. An observinz gbndtj; /grf5;tpjoq1 p1((g screen is placed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 li+ t6u ( pjleq2v.,uubznes per centimeter, its second order maximum is( .e+ u26,bzuuvjlp qt at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle b 3,1blm .97) y hyg.v5izewvrqh,5axphm7ermetween the central maximum and the fourth b,h3mg 15eiaw7hvy57vxm ,r).l rypmh9q .e zorder 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 gratint tg9w(pqek4n;, in-zw6 md,gg that is 75 mm wide and ruled with 50,00 -(ke wt dtm,gzq94w;i6,pgn n0 lines. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength produces a firsw xk)(zfm3j qoybk85*t-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(53bkokxyfz qw )*m 8j 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 c6j;sd2q1 gmonx1 y* aaentimeter 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 wanjg mxs a ;*yo2d61q1ith 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 lvkwf6 q*, h ;7 ei+:nfr3mcrjhues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light6k3ecj qnf+v* ihl7,;rfwr m: (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 2 +j)xpsryau m,,ioq2 grating. If the first-order maximur)m,i+ 2o2q, xasuyj pm occurs 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 gratingfk374k 1q5kx xyy1bsg. If the third-order maxyxbk 5k37 kx1 s4g1fqyimum 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 wave8t w tiwyk-zzwcd0mj 4u -2vc l(:k*t4length 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is obsertz(l j0- wwvi48*t2y -cum d:wtk4kzcved 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 separa2oncelal4muf6x8 72g ouf.tx.8m 25c c5 p jmuted 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 wavelength 6l82caeop2f7cnm.uc 5 8mtguox5 l.ufm4 j2x6 00 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 indexpx-g/4g hw q9s of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530qg9p- wx4gh/s 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 506 ;nv7g 2raymm0 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that ;nvm2 gm7y6 arwill 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 nonrefs 93;l pw(jdls)mz 4pje.ti:b lecting film coating (n = 1.30) on a glass lens (n (4)mi pb z9t;3d.jsels:lwpj= 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 placed a3n.ih5:z 7q5 uh pogn2 e*rbvin a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with i qib*rgzh.23ne75pu5ahv:o n ts 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 direc*2f;egaeaiu 6ze 71aption 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 1ovt w/wpmu w4a/b y()glass at an angle of vpw)w/u1t4 bya /(mwo$57.3^{\circ}$. 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-anafrw5 o+: dsa.+:fazqcs-d ff9lyzer combination. The transmission axes of the polarizer and the ansaq9ocz: w+-+fdd :. affrsf5alyzer 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 water is ciq7 13cg jt s7w)f6xj+p +i1h,irnyxcompletely polari cicr31tx7 jy,h1 +s)wxf7qpig j6+n ized?

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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 an xis8)hk*l3s halyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the ans )hh83 x*ksilgle 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 redq+p)1fs 6 zlpl/6 wi-o/mitxflecting off a pi+sm)w /6 i 6 zp/pf1lx-dtqloiece of glass of index of refraction 1.48?

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