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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 游客未登录  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 principle.7hob9;oiqbbls3 )o0y21b n zq
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi1b80v*6 io 9bczpjohpng is 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 ha-(k7 ;j3ia t qyicd.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 ofnoyf2-i7 o czi1on(;x light 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 in;ncz*(b-dz3+j yvaxe0r vp n9p22 u vlto 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 (wavelength = 590 nm), oa0 w o.wjif l735s-cw+2 r blh;id1sbnriginally traveling in air, enters a p+i5wb 1lsf3 -b ro07wac.2h;iwsjnldiece 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 travelu,z rkbt yg(r j87aao0;mffqq+c,c 3+ing in air, enters a piece of glass (index of 0+ ;+koyf mg rqac3(q7j,ubfzc8 ,a trrefraction 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 respon2o+ hflvhi)9e x 5j)a8pfnc2u sible for light spreading as it passes through a narrow slit?flo+8xvu n jfh2 ecip9h)52 )a

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffri 72ztrdh y* 7dqq43zvacted by large objects such as buildings, whereas light is not noticeablyi v zqz*34rtd77qd hy2 diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating 1,hm; q19r ,evqy0+m5guif bw;mf xd elight and dark bands when light passes through two or g i11e;5wmmde+qr9b f; uh,,0xqyvf m 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 cohereea7w1n p h 83w upitx/1ot4i-ant 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 tcgd6 yst 1n1ry 8(u,dcwo light rays striking a screen are in phase with each untdcs c8y1ryg6( ,1dother?

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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 disz2((y;4qga)q o y9phzsyl x( fferent paths arriving at point P. If the maximum const2lqxo; h9yyzs ya zqp(s4)(g(ructive 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 arriving at point P. Ifi45s /m(c x b+supm k78xgg9k 23pdnhe the maximum destructive interference is to occur at point P, the two be9x 348d gspm5(eub2 sp im+/knhgc7kxams 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 al xl+cus xy +pgb+2ia7ap c9nx1lcf94gh.m,( double-slit experiment, light from each opening arrivu+2 1aph cxpaglxs+(, c.y+l79 f9mx cb4n igles

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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-guz kcwns3gi3j,f7c1 6fhnay)*7 rl* slit experiment,uzwf*, l7)sfg n* jrc3ak6 3ync1i7h g 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 spot ie,x3nf b-z ;d1ux7 fpgn a double-slit exp pn,;df7xfg3e u-z b1xeriment, 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 experime.b/bct dyvo:jg+ zm2;6 - vvlont, if the separation between the slits decreases, what happens to t/vo + mb.2;cbzdvtv o:l6y gj-he 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 observ4u ,yyz9 zlwxqg01n +red that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in 1nyz4q ruz,y+xl09g whalf?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherentex/87h(iozni4a;r be8pw, dy light 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 arrives at a z7f k7,a9rad3kjzxs7 point on the screen one-half wavelength behind the wave from the other slit, which is obsdjxkz9 7 77rzsak,3aferved 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 ig51ofk.k 22tq ;puqa gnterference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of tht5 1oqgku.;22kf apgqe 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 intd 4 d5k vguqw+8 ;yv05cpwvjf7erference pattern using monochrv+0 ww yc;vf v8 5g4kj7uddq5pomatic 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 )rrfj q9+dzqojd/34tf;xb 2pseparates white light into different colo3pbq jj;x/f2d4+z dot rrf)q9 rs 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 alloqbvwhcf gk 2/.whp p46us87mst,e* w/ws 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 s(z3.w gdhhmehss-n c- - yi-x;lightly 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 sl+r mfg.f95 yemightly 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 when9behs g3cw; n* passing from air to g3 c*wb; hen9sglass?

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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 underoi7kl.e lrb4qzj:0d;goes the smallest refraction when passing from air to glass.jb7;4: 0q krledlzio?

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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 incidqe f.-+0yq +2w xmceeeent on a thick glass plate with parallel sides, at an q+ q+fwey em2ex 0c-.eangle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds up two fingers, j+(hqs8oe j7a with a very small gap q8ja7 h o+sje(between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffractionv8 8* qxrv8(ewctn6l n experiment, if the width of the slit increases, what happens to the width of the centr6vq8(xtne*v wr8 8ln cal 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 otheh4ur psr8q9(cqu q* k0r one has 6000 lines per cm. Make a statement comparing the dispersion of theu ( hskq0*rc pqu8q49r 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 wicou shf6 / -nj:e95yysth 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 :f jns 5y9/6-shoecu ymonochromatic 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 bs0wfz4i hh/ ) szvzw)3y 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 interjev)o9po z2z gbl3z*5fere constructively or destructively, depending on their phase difference. One consequenczv*o5o2lp g3 jezb )z9e 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 travelinv. 1-auyid: bng in glass, strikes an air boundary, there iy v1.iuba -n:ds

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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 trl-kk0n 5gnc/hpivody/h/9 hmw, /-kaaveling in air, is reflected by a glass surface, there ikh5- imk/ dny/gka h-p9ln/ wh/oc0v,s

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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 film bei0qrz+aiiqb2 4/n*j* +d g 4et wc4tutcomes very much thinner than the0cq2ia n+4g q44/ *+dwtttzreiij u* b wavelength of 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 fluoride, what is the mf m*qy(u ,9ewtinimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index*,mtu(wfe9q y 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 fdum7 f90x* hir8z(. n6hqm pvabove with mono6ff0x nmzp *.du(hh9 r8 v7qimchromatic 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 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 certain sunglasses can reduce glldnnt; )py s42a9*urgare fugayntn9sdl 2) *4 rp;rom 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 direcwg3*sg4qjoy,4izbg 2 tion of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in ae,o;q2+ :(ducg ;ovfqwps ;ll dichroic material like a Polarog,qsl ;olv: +;;wf(ued cq 2poid 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 filmzs e+p;yi(42i x pm-j0 .txipos are perpendicular to each other, what is the percji 4;0 2p+ipmzi.(et-xxp yo sentage of the incident 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 from72x6fs un *r7ht wd 7bdlb68bw 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 ifo k8.+gl+xqpo:- bal /os1qws 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 NO9s xl y0,.rx,r g;5gzh;u wfpksq/vo)xl*5oo T 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 bluegxi e+tbb2c43,x /g(0a zprro toward the zenith (overhead) than it does toward the horizon0b32/r et c z,+ xoggxbi(r4ap. 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 passesf7+i(: bkax-*+qtehfq 2t xjk into glass, which has an index of refraction otkj( f* i+f:qhxb2ka+-tx7e qf 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 vacuum. It p3di xqo98 +gqhasses into glass, which has an index of refraction oqqx3 o8 h9dg+if 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 nq tq8wu+f.h qegc4)urmk y ,t-15td.om in a vacuum. It passes into glass, which has an index of refr 1 h y.+,tqduetf. c4orquktwm8)g-5 qaction 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 in vacuum is found tohyqf+v +s fx)sx+gz+ , 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 tnkj ,h, a5py1- f0qfcco 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 f vh8:5 6wzhf b.ulgb*jound 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 thif )zb+l6g2 mrtibt9/0 p)xfb ese slits, and produces a fifth order interfb2t/ibb) 6i+fm x9)rp zgltf0erence 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 f ;jgkd9:tr ts,alls on a double-slit and the third order bright fringe is seen at an anglejt td; sr:,9gk 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 experi,7swqgn1+guc ment, if the separation between the two slits is 0.050 mm and the distance ,c q+gg1nu7sw 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 separationp bz+;xgc1qn +*o( q dzsbm6c-(4ysdn 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 fro+*(bg +qs6q(szdczbn ;cmy1- d4pn oxm the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 634 tim /26adovt0 nm falls on the slits. If there is a screen 6.0 m away, how far apai/avtt0o dm62 rt 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 smtlr4wegoz+q*/ 3 +gu/ma(k)gdm m8ketup that has a slit separation of 30.0 mm. The resultan 3r*/gzgw+ luagm/tq8kmoek )dm(+ 4mt bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two w,pw.6 eqc b0bravelengths, 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 c q pb06.wr,eband 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 consisting4 nbk 9wv(-sgo of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a tn9-v bwok4sg(hick 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. Wh6irq1isb 2( dlat is the angular width of the central diffraction pea (62ili1sqb rdk?

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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 lig kohe s99r.rl+ht of 550 nm wavelength. What is the angular separation between the first two minima on either side e9.s9klr r+ohof 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 sinox:t,nfvaix,u twb :j+ +v)/ djq(+xw fp+rm,gle slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is+di vw :p,+fw:ntr,( tu o/abxvqj),xjfx m++ 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 incidenac-yw t) d7jgw )v4-mrt 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 )vd-m7tr j -gwcywa)4is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is inci+ nh7udkvs -vy 9 *fw+z.-wlmzxy:nl2dent on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the s7zy +-fnm* w9 uzvxy.k2sh-l:w+ dl vncreen.

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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 usk5 b0 :v8mda6so,z mnm is incident on a slit of width 0.300 mm. An observing screen is placed : 65k,samd0ou s8 vmbz2.00 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 w/6jq*pljqg- zfki*rj z;- kg2 ith 7000 lines per centimeter, its second order maximum is at g - j*ljgpzq/k6i q*jzkrf2-;$62.4^{\circ}$. 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 soxw5j,n sd7/o/yds0b6a ,ushas 5000 lines per cm. The angle between the central maximum and the fourth order mn b/d7w5 sx,/6ss da0sujo,oyaximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 7w;2w38lha a kh5 mm wide and ruled with 50,00hlak a32w h;8w0 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 6))nn7f0pu f -qh3. .ibsuolax00 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A nl q.pffx)u)3i hbou0as-n.7second 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 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 60k.-j ld o-(r5 dj cc3ekbz+1ug00 lines per centimeter 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 wavelengt kd-jgje uo(+ c1lb3k.5-zc drh 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 od(x uhr (a 5w,2(dku iih16nwrut into spectral hues by a grating. If the grating has 2000 lines per centimeter, ata,(iu5(ni wdxkrh(r 12dwhu6 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 grating. If the first-order maxi6nh7ic5k ,y6lj 8xwry mj ,rik5 6wlx67ycyn8hum 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 ise3se0iyi ky +6t*f3l ncident normally on a grating. If the third-order maximum of the diffraction pattyi 0s6i3lkty* 3+ efesern 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 on a grating. If hqhh 9)zq+f6jthe third-orderhq9)+h6 hq zfj maximum of the diffraction 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 another glass plate at one end byry sy(j qg j9/:6rvu ffl.f+y(s 0iuf, a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelengf9uy:jfurj(g(fy0ssf ,yqir / v l+6 .th 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 .7 mzhm /y5re:*auv p;vtg1 (.+ q vutl4cpjzk1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incipq m.vl1ry7vk4.(p;: z m*ujzuve+a/cgh tt5dent 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 is the l.x.o luifelrgsux8;/ s lt7kmm,/y 64(v v v/minimum thickness of film that will give an interferesg4.7t/rl/xkous /v8mvly,m.lvexu6; fl( ince 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 nonrefle t*h5vvaat:7 lcting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500a tv*htva 75l: nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of ut;;mv c(cms hht. nhr0,fuq 27npolarized light and the intensity of the transmitted l tf;nt(vr;u0,mqm2h ch hs c.7ight 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 k64mqafopt;3 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 o69wi mlenj5w n.fie pf51sy+8 f glass at an angle of 8nfpi y5.f9smen+6 wli wj1 5e$57.3^{\circ}$. 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 throbwg.ch,gc0snjp y8b fj,d- 11 ugh a polarizer-analyzer combination. The transmission axes of thfybn8d hwb1,scjj.c ,gp-0g 1 e 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 hosiq ;lmath8y5:g c8 6:ygl7burizon is the Moon when its image reflected in calm water is completely polarized?;yus8t6:8: alqgh5il ymgb7 c

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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 polariz:g +(u:emdkvyeh8pv ,er and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the i:+uvdh8: k y,v(eempgntensity 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 traveling in vacuumpfqaoyuh9- ym5 q8r*((,cs:oyle p:n and reflecting off a piece of glass o*my, lp r85f ec(yo( :q-auoh:npq9ysf index of refraction 1.48?

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