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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 princm4brdcni4f ,. h,yb q9iple.
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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 statemyr4 knph9li:gnh2 uz s(3yv3; ent?

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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 lzbxzm1 kt+qss+ vt +25ight 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 e*sv+q6r j5qglight is 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 diff zez.l h-,3pfeerent optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enter(al43-seuqn rn e2i8x;rvr 4ys a piec4eu4x2r rlv ;iny s- e8na3(rqe of glass (index 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 (wavelength = 590 nm), originally traveling in aibdy8o4i+(xns j w1by/ r, enters a piece of glass (index of refraction 1 1dis nyxobb(+w4 j/y8.50), 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 sprea0081dkzsmdblmft 1 t(xg;5he ding as it passes through a narrow sl ds1 tf8 5ztgb;0lhm1kem0xd (it?

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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, whered ;owl8b;7c6wa oqt z(as light is not noticeably diffracted. Why is this(;ql8b;dc ao6w7 tz wo?

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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 banice2ehqcix69 j rz ,z cd.0z3,ds when light passes through two or more narrow slitszc3.6xzr ,qz ,ic0che2e dji9?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources ared nz:y/rp+k/rjcmo7h ,6cuq 7 said 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 striki knf;lyg/1jr0 ng a screen are in phase with each o0gl/ n;jyr1kf ther?

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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 p1igo r+ p5d jrh+hcuk* q+a-i3oint P. If the maximum cons prg* +3+-qjcir5u+1ha i kohdtructive interference is to 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 different paths arrivin 5vlt,i0y vk z:leqp7 ets;-k3g at point P. If the ml3pqkv; 7 tkse-ey:5, tiv0zlaximum destructive 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 j kfeh7 a70l l7sln/w/of the central bright spot in a double-slit experimenh l/7f7a/ kwll 7ejs0nt, 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 double-sqv,fuym4q0//o 9t yox lit experiment, liuq9mqxt/ y,vo4of / y0ght 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/ /+flb9ns(*7axx.y i sxylnf spot in a double-slit expefyxl b/niys(a*l.fn/xs7 x9+riment, 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 thic8lgvkji7qgl sa gl3.:v,6 9e separation between the slits decreases, whatslagi 98vl6q3 klgv :c7j, .gi happens 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 expen( b5o saq2g,xriment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cms xobn2 g5,a(q. 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 travukz .z 66 gh pv:h2vi6jox5bsuc2w4,rels 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 experim wgw 11yt( hnu idcauj2gb4.0-ent arrives at a point on wajdn 10h-ui(wb4.g1 cu2g y tthe 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 fringes in a 2f.gs 1fyw*ei-mfrdd p 8hnnq7a*a (5double-slit experiment if the separation of the slits is less than sqf*-aima12.dd5r( h7ff 8*wnypge nthe 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 betweenjv/bqh+n:vb :rc71q a adjacent maxima in a double-slit interference pattern usingcqn vq:h:a+1r 7v jbb/ 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 a prism separates white light into diffe.9 j ewmbi/cw2rent coli/b c92e .wjwmors 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 allowsi;xforskp+r2 0 0cgw0 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 shuvgtc(8m.hli* d (nk/ orter 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 sligyux3pj2+ m r/ori*c f4htly 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 undergoes6 8(t4jqa efpe the greatest refraction when passing from air to glass?f6aq8 4p(e tje

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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 refraction when passing from air toq2e6a kc3qt o, glass a63tqc 2ke,qo?

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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 lighfo(gn k)2f.w js ku+ ;fps.+let is incident on a thick glass plate with parallel sides, at an angle betwes2 ul).ofgw. (pjk+s +efkfn ;en $0^{\circ}$ 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 she now holdmb48e 9ig0nw js up two fingers, with a very small gap between them, and looks at the light sou4ne 8 9mjwgib0rce, 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 h5z(bzkddw 5(*qe i*ewidth of the slit increases, whaq 5(dee(*zzd k5w* ihbt happens to 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 lim)p( o2.hw6k2liqbi ( fg9e im uzry8+nes per cm and the other one has 6000 lines per cm. Make a statem+ru92if e(m6ibho(y lp ).2zw8mki qgent 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 g 0*mi/8dk e.ncqt dea4ratings with the same slit separation, the 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, make a statement concerning the separation betweee0mk8 / tei.d*4dcqa nn 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 b-9jzar (hfsz 2 +j86mk ,tqlhiy reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere cons kp6j9x2m pki0(gwd,la x c3b,tructively or destructively, depending glk, 9p 0dxb(kxmiwp63 2jca ,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 glass, strikes an adlhpt*9 x) 2azir boundary, ther)dhtz9a*2lxp 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, which is traveling r om6d:*e5x bian32blin air, is reflected by a glass surface, there 2e*3 b:nl xd5rmb6io ais

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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 viewedoyc9l5qtmg7hv dy a+j *l :: 4ip/0lum in white light. As the film becomes very much thinner than the wavelength of blue light, the fil*ol dyi 7ghlqm+y/cj:p54 0mv aul:t 9m

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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(o h;thrt/ra.luoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that waarht(o/ .htr; velength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminated from above w:6mhgdtqkq.ev 5 y d(yy n54r/ith 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 are5q/gn:r(h y d qy5my4v dk.e6t 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 ds.h vy)u7ns pnd*y4)fact that certain sunglasses can reduce glare from reflecte 7.h)syddn 4 vu*snyp)d surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is e) .utb2izptm*1o p 3udefined 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 tn vxc+3+ z daz31r**n ela*tvye)7onj o obtain polarized light in a dichroic material like a Poladz*+) je*3 eavxcvn r nn1a7y+*3 zotlroid 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 ilbqo (+m8+wkt s*px)ktk:w i q;,ps8 axes of two Polaroid films are perpendicular to each other, what is the percentage of the incident xl +ws(i q+wtp88boqp,ktk i):mks;*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 sr xc9flmnq0;3lw4 a- nurface 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 sunl 0t5uiq.+vw 3s(eoa23og xo gfight 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 diffraction NOT exhibpg)j9b/ 8ud7y/t lry eited?

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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 towardc gj37 a4d/kql the zenith (overhead) than it does toward the horizon. l/jg 7k3 4qadc 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 passesv8wj9 495zv qlnbr5j) )tqhyp into glass, which has an index of refr8 hqy5vzq t9pw)v b)5rn9jjl4action of 1.50. 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 vac. d;2a2a tnyvhuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the .2 dyt2nh aav;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. It passes into glass, which has qggcbg0lc g: +hf5/c c4ea;9 eet7y3x an it5;lc+x fc 03g4 ec cb q/gga:9gheey7ndex of 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 5l2./w lv(r9ljh3o yd 7yzyib 950 nm in 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 pq,bv:7/ y o/qn nrd/dat $1.96 \times 10^8 \; m/s$ 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 inb85a xo. z n.dncc wei2x1):qo 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. Monochromatic light falls on these slits, andzb 8/kcvsbttd :/ok 72:t av;j/ai m6d prodb7v:/is:mk6k/8vjb d; dto tz/ a2ca tuces a fifth order 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 5g4c5k 02 0ssibdcr+io 75 nm falls on a double-slit and the third order bright fringe s+di r0ci2ck os0g5b 4is seen 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 experimmw.m0i) ra8qvent, if the separation between the two slits is 0.050 mm and the distwq.8rm )ai0v mance from the slits 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 experiment, the slit separation is 2.0 mm, and two wavelengthzgpkc 4dk 8c:las9y-o0;1j ibs, 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 fring9g- cbkisoz jpc;: 8dak1ly40e 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 w .o 5jyrn9n9*n; zwgraavelength 634 nm falls on the slits. I95zo.r a;jn*n y g9rnwf 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 a Young's double slit setup that has a s5:;p72)3rktuyzv x kglmyj3 a lit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cmul ykm;a)pz72 kgyt: 3jv53rx 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 700 kt-r*k4 jxm1 f(0ojji+ vb3zynm, 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 between the two beams rtx+b * fmj( jjv ko1i0zy-43kin 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 0l2; e g/ x)jzpnx+bae(wavelength 670 nm) is i beezl/jn g0a)x2+xp; ncident 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 mmvbe gs7b-j*z: *bmybb i/- opsd0j 4v;. What is the angular widtsby b-gbdjjv vosm:p*04e ;-z/b 7b*ih of the 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 illuminated by light of 2ea 7 tr 1 xqgc()uosrj*n7r)c550 nm wavelength. What is the angular separat1g a)rox7stn cr(e)rj 7*q uc2ion 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 incident on a single slit 0.75 mm wide. At whal jpd40ivl: djb lxs 5./u4;hit distance from the slit should a screen be placed if the second dark fri4b:d sv 05ll;u.pjd/ji x i4hlnge 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 01x *y+ ov1fm6g/ syba pc),zbj.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is z 1*+o1,y 6sfxpbmy )gcbv j/athe width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of wido cq759jv/fhmz:5jj3wok 0 .4 w qrladth 0.300 mm. An observing screen is placed 2.00 m hcfw4klw /oj7jaro. 55z:qv03 mqd j 9from 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 incident on a slit of width 0.300 mm. An obserlm-wrm 54t, trving screen is placed 2.00 m from the slit. Find the widthtr5m wl mtr,4- 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 cent 2r8tdn c;ib:ximeter, its second order maximumbn2t: r;i xcd8 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 4jwf;ktw.k d 2,)o v2gw8b icxlines per cm. The angle between the central maximum and the fourth or2;wtd)gf.b4i w2c ko,vk 8wxj der 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 grating2t )2(5kx2c aab (pyo a.hdejm that is 75 mm wide and ruled with 50,000 l am(p 2y)2o(tab heckx2jad. 5ines. 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 oynt t t*h x+4,uzg0d.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-ordeyx+n*zoh 4gt t.du0 t,r 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 centimeter ruled on it. What is the a 8x)n4s u*htjey5h4c1m kei .ungular separation betwee5mis4uc41xejt)kyn* h .8ehun 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 wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a gratingy mf ap cpa1;a*2ajhoi(gc8); . If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the fy)82pf; a1paac*i jmgo;ha ( cirst 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 calin ho1.9) izzhtbrate a grating. If the first-order maximum occurs az1n)zhhio t9.t $20.5^{\circ}$, 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 oo+ a )x8fch.zjn a grating. If the third-ordcxoa) 8jh +.zfer 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 of wavelength 500 nm is incident normally o.rkrz zsdwu+hi+61 8ajsbu/)pbz6 :a n a grating. If the third-order maximum of the diffracti k zshb+/:sdrza 61+a p)zbw6ij.8ruuon 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 sn-z7:hn uwkcv o yp;-q8nup 1chu b +eyd-.3.ceparated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent ihqpbucd-nvz ky8 - yh-oc..u;1w 7p3+ un:ec nnterference 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 thickness of ,jf q2,tjx3s .8e27ft8nng2yfv ow lwthi,t se.o 2j3jynqn72lw2,gt 8vfff8xw s bubble will ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What kek8sj,)i-7shz yy.67 izch v is the minimum thickness of film ,z 7 8.eszvkihy hi6) y-7sckjthat 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 coatilz z-yhx,;hby ./i bg*ng (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nlhb.yz -h ;xy/,zbg i*m?

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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 unpolard1oe lu;9yk2,xvej mp jb+;9rized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotxk pjvd29myo+9; jb ,eer1lu;ated $40^{\circ}$ 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 prexx +)ik6 /wgt/t f-pxjferred 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 ai5( 8o4 bx5naezar q(mcr strikes a flat piece of glass at an angle of ma(n55xrqa obzec4 ( 8$57.3^{\circ}$. 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 txj *)z61 yqbr9fvv 7umhrough a polarizer-analyzer combination. The transm q*vbvf)1 mury 9xj7z6ission axes of the polarizer and 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 when its image reflected w,zpir r6 a1)tin calm water is c r,r tipa1zw6)ompletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer an6: c)*iyjlx/bjiyl l8d then an analyzer. In this process, the intensity ofl)86 yl iy/*bjiclxj : the light transmitted is reduced to 10% of the intensity incident 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 travesk0lw* kgohok.1 j5 .eling in vacuum and reflecting off a piece of glass of index of refraction 1.*h10s.kl jg5k ko oew.48?

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