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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 princip*ncyd chpm(vl.3k)) dle.
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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 in r98qiw0 e0wns 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 light is attribute+dfur.to(4ze d 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 attribu:c,yrm::v cr v8h q,6,ipejdpted 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 ibo659o wit( m8i w+0bunwux. onto 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 (wb;(oup xzu+h00cp 5a favelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its frequa(u;fcpo0+xp zb0hu 5ency

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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), orile7aw+ el.uw+ypr7j5ginally traveling in air, enters a piece of glass (index of refe+u p+7ar wjye.w7ll5 raction 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 revlfnhesjgdw23 35n.1q)k8qt a y) q(gsponsible for light spreading as it passes through a narrow vwy)fg33 gslntq2j ane.51( d qq)kh8slit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracte:j4*g uhyq6cs/ ;zfppd by large objects such as buildings, whereas light is not noticeably dif4y*s/6 ;cj pzu hfqpg:fracted. 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 dan61 x*nomja4 jrk bands when light passes through 1*4jjn nxom 6atwo 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 said to be cf2wge * q+qyq sw(s-n;oherent 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 sv,57 o1-n *mxtq*xzbfob. .qu 6tnuwuay that two light rays striking a screen are in phase with *uo6u.*v7.w5zb t fm,obnqu xt 1-nxqeach 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 fr30*ta3 ekrpiv f,;tlhw3u-paths arriving at point P. If the maximum constructive interference is to occur fvw k u3p*tr03h-fta 3;,riel at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arrivina/df* tv :c u(a9xey0gg at point P. If the maximum destructiveguca/dayt*x9f e0v(: interference 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 the centickn/h2(eg +*n) srhnral bright spot in a double-slit experiment, light from each ope/hk* g c( ein+2nn)hrsning 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 s-drb8mat4 cnp qx , +:gtn2jr/ide of the central bright spot in a double-slit exp2rr4x j/mcnpa-d8ngt +t,:qb eriment, light from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spotwt-jfzv2 qwy ;9yt /ku4k90cp in a double-slit experiment, light fro 0w9kytctw uzj/vy 29;kq4p-fm

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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 t:n;rxo;j v7cyqi.8 7cgeb7gn he slits decreases, what happenon7nqc;:i8jxg7y . 7bc rv;eg s to the distance 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 t(sepmk uen w 85zc69g5he distance between adjacent maxima on a r9 n( mec5g5wk eszp68uemote 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 ligh;za p.v 8k4fwq.fko+k8uh s;ft travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment fjt9/9 yg9lgcr )xh;w5xu4p h arrives at a point on hj)wx lgfx 9;9guch9p y4 tr/5the screen one-half 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 to obtain interference yrmi8lb- f3qx/ph (,sjga ) 4vfringes in a double-slit experim x 3arm(4,l i/8fp)qg sb-vjyhent if the separation 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 double-slit interference d+aubxzpr g9l:x0i .8pattern using monochrodxxb8l0:+gur9 ipz . amatic 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 d3nxgu o;iq6c*ifferent colorxgi*;nq c 36uos 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 allow -vj(y ) hf xu9yxyav;eq49b9ss 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 40)7ji4i e blu/hta h(b/0 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 c7sn2j*oj vrnj uc0j ewbd)+04;yf.bvwz / 8gfalled

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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 u+9j0 fcwjsnlsqim5),*i qn -tndergoes the greatest refraction when passing from air to glass?mn s -5+cq sij90i)wtflqn,j *

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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 refractioecc yhjo7yi)u- p :2s*n when passing from air to glascie)j :puhs-c y o27*ys?

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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 parallel sides, at nejsv9+abn. . an angle between +esab..9nn vj $0^{\circ}$ 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 source. If sd 2qxt v 1q7+hcp 1jq)x1a+evehe now holds up two fingers, with a very small gap between them, and looks at the light source+vxt)q1 v 2xea+j1c d7hq1 pqe, 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, ) ,2myni-iit voqh./m if the width of the slit increases, what happens toi/ ,-q2y.niv i)tmhmo the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the other oneb8lzld6g 6a 2q d.gybt u+1uo1 has 6000 lines per +tg2by .1l oabq1 g6 dd8lz6uucm. 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 xoz;*:1)h.zbo)mk dew grge7with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If.: 7obe g)wekxgoh; mzz dr)1* both 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 wzgm+)l49fd w 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 wad g(q3nt:dg5 tves can interfere constructively or destructively, depending gg( qtd:t3dn5 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 traveling in +dpmk4rbn.h b sg3eav/, 08ipglass, strikes an air boundary, ther gv4pb,8n./a s+r e i0dk3mbhpe 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 gkkm/kn8t n+,, is reflected by a glass surface, tk,8 k+kgtn/ mnhere is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the fixqk9- znbl/4wvl;t0g/ hph6pc22n b elm becomes very much thinner than the wavelength of blue light, the fi9hcb;/x h /blgkz02tnw6 lppevn42q -lm

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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 lb b7hf0 f4bvt3e:nr ,qight in magnesium fluoride, what is the minimum thickness of m3q bf b:v,b 4enr0f7thagnesium fluoride coating 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 a flat glass plate a;2q(,uwc ozxi)cuvtsl (h*6k nd illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does onexv( kh;w2 6isq*zc(l, o)tucu observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certaifz-u-fs i ehhq(7hi/ 7n sunglasses can reduce glf7-ufh7 h(z h e-qs/iiare from reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polnnj:23 v5ixxoarization 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 polarized light in a dichroic material like a Po) /sra 7bq53xl)ijxa zlaroid za35xasijxl)/) br7 q 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 perpen d/ce(ymd.(a8 ft3waddicular to each other, what is the percentage of the incident light which will pass the two fi(wd edmd3.ta/c(a8 fylms?

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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 surface of a l*eu lne3rqqy )zt,6o:u9 szha4(u 8m dake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlig.a qb2 -(9stjh(ayaxlht 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 diffw5qm-(uap ,7xvm dvu.raction 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 zenith (over/s+oc5:yh bmb head) than it does towmybb5cso+h: / ard 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 passes into glas ,:yn cg);vgi.wkuj t8s, which has an index of refraction of 1.50. What is the wavelength of the light in the glass?ggviyu n8w :j.)kt ,;c

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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 hxb4r,)ne96 gsipl::govpf- vacuum. It passes into glass, which has an index of refract4gspihb ,)n:p- : 69 fgolrvexion 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 vac hvhb1uneo84,hu u4mwzj 5j:f m(0o3uuum. It passes into glass, which has an index of refraction ow bmh4 m4uuz0jv:5o8jf1, enohuh(3 u f 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 imr* bs+*f :h-aj *n,yju x3akt hrhg4-n 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 fouswbt4yxe66sx (h)a c7nd 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 tejvd6a 4)azt5ddx8 n0*zsk s:o 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 ligi- dy;rq;mmq q) cf51sht falls on these slits, and produces a fifth order inrm ) ;qyc-5qfi1qmd ;sterference 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;3jpq877t jsbq;s c wh order bright fringe is seen at an angl; q;pq8bscj7 twsj3h 7e 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 betwe1- fqjj+axxz8 en the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m8j 1-+ fxqjxza, 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 mm, and two wav v51sq zf0;o)ojqk6s melengths, 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 )m0k6s5 jo1 ovfs q;qzscreen 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 light of wavel0ov+tc (.svlx5pq yb;-+et zeength 634 nm falls on t+-t(xqz v;50bs. tv y epol+cehe slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on tl /,xyh;vq /ma 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 brighqy/v ;/th,xmlt 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 ta:el/kt,jm rf9n-x5p wo 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 1.4760 at 700 nm. Determirmejfn, 5p9 k: ta/xl-ne 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 w3vm 5*oedcf7 drpi 7rk47iwuxc 4n1 9blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glass id7ck 4xpw *m4i1cu9 dnw77o3vr5erf 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 the anxf7uwnzoo0 94qda:ol:uch 40 gular width of the central diffr:44o0fzuxo l7uh90qnaw :dcoaction 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 light of 550i zu67o+2nf cole:g)h nm wavelength. What is the angular separation between to7ezhun2+ ic6 g of:)lhe 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 incident on a single slit 0b8w(i, 3s;ryytqnr-d .75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the scree,q r; -yy8tbn(id3rsw n?

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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 anstnk1:n8 a)fu d the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central kf 1na)8 snt:umaximum?

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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 igt,(zb:(.erpi+ zept7 wtns : ncident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the f g t(e+tz7wtzrp sbe,:(ni: .pirst 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 wtlf dya3t3 e.+idth 0.300 mm. An observing screen is pt d+a e3t.3fyllaced 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 lines per centimeter, its second ordovkfah. +i.6:pfc6y ae.haykp6.fvi acfo +:6 r maximum 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. )(p56zkn(n lphekq(zk4, qoh The angle between the central maximum and the fourth orde(qlkppeq,kzz 4h6n5 nk()(o hr 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 that isai w vu,9u36bd rvfp */ho8+wz 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen a6 w fvpa9,v+38/i zbu*dwruho t $32.5^{\circ}$. 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 6 ndf.0+lqv bavj/9s :; it0qu o,j;kct-zug:d 00 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 ndqjbtcd gua-/; :u vi f. j +tqklz00,v;:9osmaximum 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 lin qtn utg .(kdulx6*pvp.zrj7y3,(h0q es per centimeter ruled on it. What is the angular separation between the second and th (6jd p.g*nu,typ qv0lxruk.3q7 h(zte third 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 i8tbn55 r (bdn ++w gajqznw0q-;gj b/hnto spectral hues by a grating. If the grating has 2000 l t0r(jn+wbw h+nj8b;qn zd-ga55g /bqines per centimeter, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a g0zpk)0n-m g hhw,xn0b/usfi -rating. If the first-order maximum fu0gw/m kxn - p)z-0nhb0,sihoccurs 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) yixx.ogg4 j(dw8 g8q6vjpjh ( e23dg a grating. If the third-order maximum of the diffraction pattern is observed ( g)o ijgyh(xdq6x2 g8jjvd.384g pewat $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normall jci 5+ sjty.2w8y7svpy on a grating. If the third-order maximum of the dif7ycw5jpt2i+ ss8 . jyvfraction 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 separated from n63wwc1*wph*qu-o m8)dxs y xv2-n fcanother 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 600 nm?wcpxocq1* dsvw xnfh-y2* 8)3w-6nmu

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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. *ek6td/n v q0u-c tnp3What minimum thickness of this bubble will ensure maximum ndnut* /kq3-c0e6tp vreflectance 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 = 1.33). What iuv wh ;0.+rig mhru p64hz31cps the minimum th v.w0pzm +c46ir1rh phg;3huu ickness 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 krabkxts/7t9 lmlf a2 -a+k73(n = 1.30) on a glass leka lt7b32kaa 9f m/+lk7txrs-ns (n = 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 placednyl0uo* pbxce:w- /g7 in a beam of unpolarized light and the intensity of the transmittx/g oyw:up e0-7c*bln ed light 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 direg ,-6 f+ijh+a c(sraqz )avmg;oq35y kction 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 ai pfh; 4n3xlyq04cz4f mr strikes a flat piece of glass at an angle of qclfm0hx4;4pz3ynf4 $57.3^{\circ}$. 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 thfk pr4,a;3t8 msmwgr( rough a polarizer-analyzer combination. The transmission axes of the polarizer ak48p;sfmt(wrg3 ra m,nd the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon wp67bqz1oy. hxyh7t+ when its image reflected in calm water is completely p.yyh1 wpz th67+ bxqo7olarized?

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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 pola7 xo-w+iv0mi0dbw6i w7z s ye;rizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident b+w 0wow7ix -eimd z;06is7yv 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 travelingze /+gc8qopu.oj l; v, in vacuum and reflecting off a piece of glass oqce/o,o pzlv;u8+ .gj f index of refraction 1.48?

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