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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 princibhic 92v. *ku 9y rg3-sf4dj mx:c1rgeple.
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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 statementr87c f+6gmwouoferu; mb 0 *3e?

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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 lsqcf(j xnb((0b6)pr might 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 isskf2 ch :poy1: attributed 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 +kvmjlsl0z1e d28v+loptical 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 = xqgc:k ,;0roh wrze8*-nuk1 f590 nm), originally traveling in air, enters a piece of glass (index of refractio hwz8-,*:rurn;k1qok e gcfx0 n 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originalk4 ;; mrmznh0cci/io+uih 3* yly traveling in air, enters a py+zhi;c0 crk o/i*34;in ummhiece 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 light spreading as itd tiv*iq wz+kej 8.e14 passes through a narrow sw*i ze4kqv 8i1et+ jd.lit?

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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, whereasn-2bp; b5cliw* 2jzo hv(jtp8 light is notl2bp b*h(opjzn-c j w 528vit; noticeably 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 forjo-;ekw6 hr y e/ +u8sq;k6fmf alternating light and dark bands when light passes through two or more narrow slitfkyf -j;w o;+e mq /k8e66urshs?

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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 s+c1bu :zuiubs x.lyl8 hi3u12aid 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 th2chvj5d( hib( at two light rays striking a screen are in phase with each (h5hi jb (cv2dother?

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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 pathgm9 )cr;k4jf ;f*e9 fmh zzc6nzgb2 7as arriving at point P. If the maximum constructive interference is to occur at point P, thez hn;499mz;g)arg efmfjk6cfz7 c2b * 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 the iqny+o ++lq h1/g1 j.y( qzhzlmaximum destructive interference is to occur at point P, the two beams 1qyn +o(1 gq lh/lq+jzi+. yzhmust

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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 thel ;;*qei -kk.hnf9 hpa central bright spot in a double-slit expepefhh-ka l q;kn* .;9iriment, 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 the central bright spot in a sj3zw*8/3agysk xzi. h)gjp 9double-slit experiment, light from each opening axsgwis* 8y ja9/ hj3gzkz.) 3prrives

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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 in a double-sl206am xrt1 :jh4aj -kq2f vyapit experimenth :jf2y0vkxam1tj2 6qr -apa4, 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 between the2 * ;xmi7toyoa slits decreases, what happens to the distance betwi7t;ox* 2a ymoeen 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 tha 9rium;7ay 7ipz (yji g;n*2cct the distance between adjacent maxima ogc(* rynuiic;779i p; 2yazjmn 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 trav pm:48lbed9po39yq muels 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 experiment arrives at a lxn 0x/mr9g.xp5 e fbc -o9im-bby+9o point on the screen one-half wavelength behind the wave from the other slit, which is observed at that po5 m+m c/ no-i9eby fb9.xbo-l0xx prg9int?

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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 o4omw7z:fq xa (os*nzy:m s 2 kd)d5d.sbtain interference fringes in a double-slit experiment if the separationxs 5z)ko az: (m4s 2 .fswddm7yd:nq*o of the slits is less 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 dou92w*ts c6 -fvf3o x oto8k:vwzble-slit interference pattern using monochromatic lxv 8w9t3o* co2sf tv6owz-k: fight 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 whitsll t8g3f u;u3h.y u*ye light into different coloruh ultyy usl.38g *;3fs 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 av0tjadph **og dk39e/ 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 qg)rz4*uwe 0s-0kl jl 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 slightly longer than 750 nm is callezdkw5u)l *(yz) o sv ncrfw4p/tz8: n(d

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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 fb)dow:p cv2pg(4xkq-e , ln5/ sw48t c xoc(qurom air to g:o ,q4qpselt5b xv wgck (2 -) (wp/8ocd4xucnlass?

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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 undergo qch-w +b/q5hves the smallest refraction when passing from air to glas/5b +q-whc hvqs?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with slocz- jn6 y hnljy,;6s5s36bparallel sides, at an angle betw s6z;56y, o3 hscls6ln-jnyjb 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 distan a2:z0q*f b kh3p3b l+zj7wqhnt light source. If she now holds up two fingers, with a very small gap between them, and looks at the li3 3jqz+bh7wh0 b*kal :2fnpz qght 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 ex-rz 77hoqsz1xperiment, if the width of the slit increases, what happens to the width of the central maximrz7- x zo7h1squm 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 2-i 7(cswv )u fux:zan4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing thecv7:na(z uw )ux2si-f 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 , c1xg+-ogoj ukwv68jseparation, the only difference being that one grating has 3 slits and the other 4 slits. If bot6 81,owxjjvkgu+c -og h gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflect2l:g w9;y v3nkf pl5guion 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 waub/2lyxkk: 3b 8z e8gdves can interfere constructively or destructivelxbu: bk38lyd8 2ez/g ky, depending on their phase difference. 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 e5ve0reh1+ x.w)wtys, 3rh vn7(zz emtraveling in glass, strikes an air boundary, ther y( x,r7v+evmthsnrh e).w 31 5wezze0e 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, wnq+bs6b*.n +n*npv mg hich is traveling in air, is reflected by a glass surface, thesbmp* .nng +n n*vq+b6re 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 view (zze/l a)m,lted in white light. As the film becomes very much thinner than the wavelength o(,tlmz ealz/ )f blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium f vr9uz4l o05fdluoride, what is the minimum thickness of magnesium fluoride coatingv d5z9 ro40flu 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 o-g88qr) ( eikd t;wqw(q) fmxnn a flat glass plate and 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 the lens where the lens and the glass plate are in direct cont(n )qekx8mgqi -(r)fwq; 8wt dact?

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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 r3l /osxlffos+ d5 7;q4uj9mnp m,de6 for the fact that certain sunglasses can reduce glare from reflected surface+sx;l4u,ednpfmsqj 95 6 7r3odlmo /fs?

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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 de a p5.iyqy9rw* r 1vyil/wa57afined 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 lie mm)bj1*(ftaf atq5 4hd+01b ucj ;qkke a Polaroid fil qjjcfmtkad) 40*hbuf(b5;ea1 +q 1t mm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission ax*ct7-q+6x u jpsie3fves of two Polaroid films are perpendicular to each other, what is the percentage of the incidenift v3sxu+qc e6- *jp7t light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the .* +.5hyhzz,ccq ju ugsurface 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 sunodhj.+u(5 bfv8: k9h )qlsdgwlight is greatest 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 diffratkxljz6 qc j hj3b2)l/b id*hu.z6:rfjlq3.7ction 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 appear49m9 sraywl:p pr,i l1s to be more blue toward the zenith (overhead) tha4pls w 9:rr,l9pmy1 ain 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 6+yfq3 ayn q yq(9tq1+n00 nm in a vacuum. It passes into glass, which has an index of refraction of 1+ qy3q(19qtfnnaq+ yy .50. What 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 v;p*wwv8dij.l fdliaof:; s4;acuum. It passes into glass, which has an index of refractionijp vwflw * d.;fi:;d;a8ol4s of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum..3zqa 8r.vlkt It passes into glass, which has an index of refraction of 1.50. What is the spe 3l8 vza.rtqk.ed 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 ittp+f*jr cot*ew,: .fn 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 trave 85tetiid 4j3j bp6fb7l 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 i.sbn5wx73eud, abe 4lrf: yz)s 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. Monochromatic l aq+:cc*h; jhuight falls on these slits, and produces a fifth ord:cuch a+h* ;jqer 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 doe;- 2kbrregx7kf+tt5 c ow8k 7l )8igyuble-slit and the third order bright fringe is seen at gel)+ryf- 88e ttkr72o5i7 kk;cgbwxan 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 betiq.yxsv7 .+v bf p,ei4ween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-y7 is,4 . ebvf.+pvqixorder 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 mm, and two waveleow1 k:(7heisdmm. j pw, l6l)mngths, 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 w.,sw6 hl7(mj)e kdmm:io1 plwill 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 ligh-k3vwnp(cui9 (uxue kk.b+2x t of wavelength 634 nm falls on the slits. If there is a screcuk (k bw.uxi3kpxun29e-(v+en 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 i8t.thsl oyvu4h + q/r/s incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fs/ y8qlu+r/ toh4 thv.ringe 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 ad6w-h7j h3ujg nd 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 1.4760 at 700 nm. Determine the angle wd7jguh 6j-h3 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 b+zini;3p 3l +0jpi/j dc:bbc blue light (wavelength 480 nm) and red light (wavelength+ipc;3 ipb:j30lczjd bnb+ /i 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. jg.l x+gv dak80 62ie*afzv m5 What is the angular width of the central diffrvgx v*gaz+eiljk8ad 2 m 65f.0action 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 wi:b yrru.8g*ex de, is illuminated by light of 550 nm wavelength. What is the xyu* b re:.r8gangular separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incid2a9 zp oni1 n2bf1eep0ent on a single slit 0.75 mm wide. At what distance from the slit should a screen be obie1fenz22p 9pn 1a0placed 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 lcjldrd;c 812yok4s1 on 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 of the central maximum?21rkoysjld d4;l81 cc

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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 0.3l:am xbp 4w9rwjx93z e+ p 4kt2p).xxo00 mm. An observingk9 x+w:rxwpbmax 2l pje43 t)o9.z4 xp screen is placed 2.00 m from the slit. 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 incid:)uq0i wucn7 went on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Fniw q:7)cu0w uind 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 illuminateg1 ygkf;yj5h9r g :5o4 zwguop;3*njvmef((i s a grating with 7000 lines per centimeter, its second order maximum ijg5( ughz*yo 3jynf:g(;;i4oe9vgkrf 5wpm1 s 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 angl)d,7n.jeyo(-gmh w tde between the central maximum and the fourwtdnjedgo7- h.m),y ( th 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;ll( d.n2t/ub;o xyk r that is 75 mm wide and ruled with 50,./ (2o udkrbn;l;ytxl 000 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 expbsw-0 txk-q -neriment, light of 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 fro--xbsqk0 -w tnm 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 cenf*8st1a sm 78cma5qceihz.2)t qf)s rtimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wa5q fr2 8ah)zqi)ttc *ms.8sa1fsc7m evelength 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 gef3f :vnhb(mq fp;5f(i6r4 owhgw;c 9j9ifs(rating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the wigfc(n 6 ;q(es9o(mfj irfh4h w5:ffv b 93p;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 tho whvv)0dv;ie.x.rx 0s (mcbh+i nf57 e first-order maximum occurs a;w m7 fei v(h xh..5idv)bnx0 ro0cs+vt $20.5^{\circ}$, 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 50ks* tic;.nam; 0 nm is incident normally on a grating. If the third-order maximum of the diffraction pat; *ntmki.s;c atern 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 w 8b8u(mlwnbx .avelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is l8bb8mwux. n(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 plp:kwgyxn -ewho 1*u;p6si+ *o34dk i mate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent in6d1o+nk*ugk:; -p3whyiwop*m4 is exterference 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 minimum thvm3+b41peih+ s ho b( djp4j5c2 x.jhgv51efoickness of this bubble will ensure maximum reflectance of normalpomhsj1oh+. 1c i4jhbv254x v gbd+(f jep5e3ly 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). Whex1 5t .f l8/lwogodd8at is the miniw8xlf1d/ eo.g 8tdo5 lmum thickness of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = pb hrxzm+-y;da8n/) b1.30) on a glass lens (n = 1.50) for wavelength 500a h 8d/p;-myxbzrn)+ b 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 +xbg,zy99r cy a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotatezy9 rbygc,x9+d $40^{\circ}$ 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 prefw7vi w xn56-ceerred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece kh5vi y:q vhq4tgg bj, p+l6qux, .j5*of glass at an angle of qyjghv*bq t,k:,vxq g+ 5. p54ju6hli$57.3^{\circ}$. 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 passf7gxm4)-/kaclfj l( t ed through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer argkx)f-a fl t/7c4(ljme 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 +o (,i ;ar)6,lodoj3smrtakicalm water is completel a,+(d6tr3lkjm; o ,oraosi) iy 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 pola 39qjltz b/f ( 8gmy9auyu70hnrizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on (y8gy t99m3u jq/unl 7hbf 0azthe 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' 3zw*ulsd o20h 7st/ p2 7kzke8wyc4lis angle for light traveling in vacuum and reflecting off a piece of glass of index of refraction 1pzw s7l h4k2i87ukyw0d ls2oct/* 3ze.48?

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