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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 princiployh .vfpsrrkh ;q w,.;mp6c6: e.
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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 fals/ 9g7v,:udxd ;n)3c mhrcyz:6fp d hih6i x0kue 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 attributed i:q+ ep2 0lzimprk py2*yc /m9to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attributed 7r k72uh ocx45qy*pqyqty( 6oto

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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 sbg ;b6 ,k)* d j4svh8arhvk5lof 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), originally traveling npem 8l.jrzznca;8 -8 in air, enters a piece of glass (index of refraction 1.50),; 8a -n j.zclz8mnepr8 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 lightaa*e h:7lp2la5dmfp/ (wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50apl: e a*hl2pf/dm5a 7), 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 it passes through a novz t/hvyb;.eszh b9vd8: 96rarrow s:9yb;8vzrv/ebz tvsh d69h. o 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 building eekiea. iv4naeg5 r26+(:nxqs, whereas light is not noticeaaen.5eixvn ia4k6:+eg( rqe 2bly 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 light;g vn*1a+0jqbbhs / r;d )ehcb and dark bands when light passes through tw svahhge; 0*)n+ dbq;cbb1r/jo 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 cotwy80 w,ppcg6( c dv7mherent 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 ra u+c(9qgze5ub+(nia l o;.nd/czkd2 j ys striking a screen are in phase with ee5+candiq(c o +nldjz(;kgzub2u 9 /.ach other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If the vr - rrq18vhnbv*q-bn +w 9k5mmaximum constructive interference is to occ- r1 vvrnmnbwh598* rb+ vkq-qur 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 arrivgb3y. lva 4:ju:ge4fl ing at point P. If the maximum destructive interference is to occur at point Py43v f:lj4l gbgu :.ea, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spor5b f( i9w,f) 9r0vib9mlp ldlt in a double-slit experiment, light from each o9lmr ipf0bvr9b l ifl)5dw9,(pening 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 cvv ya 9vdtry3)a,pqg)c,* j /central bright spot in a double-slit experiment, light from each opencq9 *jav))t,gyp3/ayd,r vvcing 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 brighty rk/6xn :l3xj spot in a double-slit experi 6jyrklx/n x3:ment, 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 c wx2 p(-/gq/e/ehih f 02ol1q8dlpmcthe separation between the slits decreases, what happens to the distanclchmpql- dg022pe(/h/ 8/ w qfoex1cie 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 the distance betweenw4z *hik :+(j(aubizftwm qklw-29* g adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adja4w+zkt w2q9j u k:g(mi*i -b*(ahwfzlcent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travels path (/0pg (o0 ;qldsis xfees( y9i$P_1$ 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 )pr 5ku yy8d871byk wuarrives at a point on the screen one-half wavelength behind the wave from the other slit, which is o7dwukryy )y81 5u8kpbbserved 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 interferesi s l2q6w3mzmk0q c33nce fringes in a double-slit experiment if the separation ok c03wq33im m6zs2lqsf 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 interferenf9zv hgqyh;6i crr520ce pattern using monochromatiihzq0h5fvr 29c6y;gr c 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 whyjp i./dumn: .u a prism separates white light into different colors isidmu.j: up /.n

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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 a rainbow to mei*hp * l;iyy,n2 yn/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 smg.p3o5b2u( bpt; pxohorter 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 sligi**v0qn oc ,y/reoj) whtly longer than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing from air toexb,3+ v:.tb87nr z -kqukisa glabx :tk-.u3 ksiq rvz,be87+ anss?

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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 rzle:z) /-t0,lp hffkse8)yeh(nfe 5defraction when passing from air to glass?)zf)leffl yd-(e5 eh :k8esn ,/pht z0

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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 parallel83 h*.k fu;2bl ezkipm sides, at an angle b2bf8;. i3u pkm*zl heketween $0^{\circ}$ 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 mc 0 ip;fl1 ;g5ph5.*ebb wpukshe now holds up two fingers, with a very small gap bet05 fpilheg.wpb5; ;pmb 1cu* kween them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the aq 0*c y, hihajnpdf90-9dw7 t6gz3bzslit increases, what happens to the width of the central maximum o0 6c -a z3w h9abtd*n y,z7qdjghpi9f0n 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 4b4edoc 1d9zuqnw+6n 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersi9w6obd1uz n 4 d+4qencon of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, thebeso(qpqhn +u- d0 m 8/zic+/k only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the sam0oiuc es 8 -qhqnz(+pdmb/k/+e 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 cl(:t8mwd (wzt bhil(-aused 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 waves can interfej p1*nui(vbs8 re constructively or destructively, depending on their phase difference. One consequence of this phenomenivusp j( *n18bon 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 g/md8h8d3 . ;5 meik vcmxe(wpclass, strikes an air boundary, there8w3pmkdm dcx c; 8 i5(/evmh.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 in air, is reflected bygkks66yv-4dcvrk l,0wea29 a a glass surface, therecvk 2 y gv4 r6a0-l6wk,desk9a 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 lipgh0: lum87 l*x 51:dkjpl qnzght. As the film becomes very much thinner than the wavelength of blue light, lzp15dng qml:*8lx 7phj 0 u:kthe 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 fl 5la.d42 6awx3l (t,kteueobbuoride, what is the minimum thickness of magnesium 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 t2aa(llb6e3 x.t 4wdb,eko 5uto 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 gl0-j, vz 1r d2u: ygnnru6cmno,ass plate and illuminated from above with monochromatic red light. Wgn, n ,2nmu z61ovcrruy0 -j:dhen 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 facte7xrcft 8 2yj) that certain sunglasses can reduce glare from reflected su8t72f recxj) yrfaces?

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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 polariz0k30 4*ekgte*ubu dv)u ukaj;ation 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 materialqa20e9-dql dvd t 2wgw;-ar.4t bm /so like a Polaroid film?4t eot9vqmgrb/d ; sd 2wl-a 2qw-da0.

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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 perpendicular to each oth5cv pq v t6 wks;b/)40ikr(pyter, what ik vp;0)sy/t p twki(c5 qbv46rs the percentage 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 from the surfo/8gp pbrdxg2 d)a9ui3 1*oj5)o d kvgace 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 *a rw;ft.yztd:7nz 6puv0ljb+l6te)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 diffraction9cquz8y g suxuc9/o+q 21ktr6 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 ap**nv4q *osq(o/w.ug.osh mlv pears to be more blue toward the zenith (overhead) than it does toward the horizon. This occvogv(q *.nl h.wss4q*u m*oo/urs 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 vacu87ongc;f5 pe3qpa;jqr e) tc/um. It passes into glass, which has an index of refraction of 1.50. W;e/con p qc f7q)j5eatgr;p38hat 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 q ;fu*dsl,ohz+5 rki1u18txo in a vacuum. It passes into glass, which has an index of refraction of 1.5;xi+t*58hdfl us,11r uoozkq0. 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. It nf6rp+ c ad v/mvp22u8h:c*nypasses into glass, which has an index of refraction of 1.50. What 6*r/+ v adc pnu cv2m:pnf8yh2is 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 550j uog(2oy: (tn -n,by mzla+k6 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 nuzhq.nrr2b(ubq ) x) 2rw)qqn: e7/nhm in air is found 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 airv ;3kn7 ur3toks e8w.n 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 thesei/ hjm-2aflpf8l 1yswe-g.g7 slits, and produces a fifth order interference fring/-f1.he -7ajis ply 8fl2g wgme 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.4 x dovio4h oc.i *v.sqh3/we-slit and the third order bright fringe .x *vseidv hq4o. 4/ .w3ochiois 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 experiment, if the separation between the lh+7 +fsrdd86ps -a. o:ea gaktwo slits is 0.050 mm and the distance from the slpaedh. as+6ags8r+ f:7dlo k- its 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, q0t,i- ti-jng and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a q tt-n-gij 0,ibright 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 wavel5vqa uua+(e vnn1g8b3ength 634 nm falls on the slits. If there is a screen 6.0 m away, how fa gau+u5an vv8nqbe(3 1r 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 slitr y 1cqehkc/:)p(e5uc separation of 30.0 mm. The re5cu qccp: hee(/k1r)ysultant 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 t4.rjb + ikopd9,kd98urn u-jeh+ee1 dwo 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.dnrp k-o uj899b+ei.14,uke jehd r+d4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue ligh ,0;v6le el h*siy;gp,vkn-mtt (wavelength 480 nm) and red light (wavelength 670 nm)sg0l n- kt* eyhml;6vv,;,pe i 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 fallsig3a*; hbj sp-3 5izyy on a single slit of width 0.20 mm. What is the angular width of the central dif; j3i3izb*hs -pa5ygy fraction 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,c-0 n/un,c4 lya kmq z)zu+no* is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the centralc u cn+m,z )z4/k0yuq nn-*oal 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 mmvrfg46klpe(bt k 5e 0+ wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction l(rp gk+ek6 t50v eb4fpattern 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 0.20 mm wide anb9 30 c-tbmcdhd the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central tc09d-mb3hb cmaximum?

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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 0.300 mm. An c+ig kj0laxfd;:5m+rvh hte w)4,u5 hobserving screen is placed 2.00 m from the slit. Find the position of tr4 :)w5kxh+ tjvch5gemi;,u fla+d0hhe 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 stjwsj r ,: )lf/wxzs/2,*okqhlit of width 0.300 mm. An observing screen is placed )/l,r/2j*:,w zqfoxws hstjk 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 peruzu0- (f 4cqg qej89fh centimeter, its second order maximum iu jqh(9-f04 gqfc z8ues at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle between the cent3cg-ek4 **hf mhk6ozq ral maximum and the fourth order maximumge **h3z q6k4-fhmc ok 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 incit m6 .cr ,,ns(rr omsaf2di7o-dent on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order m.( i,srmo-srm ,f tr627an ocdaximum 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 ojb98dadk0 cjb* 2i g6gf 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 from the central maximum when it passes through the same diffra2 bkgjj8dc0g i69bd *action 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 centimn)0 v-mzq lci4eter ruled on it. What is the angular separation between the second and the third orders on the same side ocvl -mq0zi)n4 f 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 onkx9o4 jr-an*3w f k*mut into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first ordankw4j*3fox m-9nr*k er?

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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 max)h -mx)xws 5p y x5d3.ywa/hy ng)*oeyimum oyyx)xhpwge w n.)axy5yo sh/5*m3 d)-ccurs 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 wavelengeur,4 3e*d kw qra/0sbth 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is obsbeq 4 0k, edurwa/*r3served 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 inciy(j:rg-t) g(hyp 7g wldent normally on a grating. If the third-order maximum of the diffraction patter:-y(l7t( gphyg g r)wjn 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 n1p:m yc8e3 zllong is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed cnpe:myz8 l 13with 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 of1wm7ze 0z:suh this bubble will ensure 1esz :w7z0mh umaximum 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 ( w bimjc,g ;oykc1t(6* n = 1.33). What is the minimum thickness of film that will give an interference when t1;6cgc kbm ,(twiy*j ohe 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 n79e 57vo nrwjfilm coating (n = 1.30) on a glass lens (n j7on wve 59n7r= 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarizezc,5ei klk xby1167rh+eaknqnr) y .2 d light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in kyk+7x1 6neq y5k,a2rr.1h n) ielczbthe 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 direction rotat5/jl*y*8 .sca0 :auu fb aprtned $30^{\circ}$ 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 unpolarizexm5l( r k teqd;+(gac7nol6ufjd* ) l4d light in air strikes a flat piece of glass at an angle of 4g*d ctl j7 nr6qm(edlaf;u5o)xlk+($57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer comr3 .b6(kis: fyyqaz+fbination. The transmission axes of the polarizer and the analyzer asy( zaifr.b36 :q +fkyre 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 reflp-+ au8c 5zxbxl95wyyected in calm water is compy 8pu x 55b+-xlacyw9zletely 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 and then an analyk* j;t cfqcf5:zer. In this process, the intensity of tcqf*jt;kc 5:fhe 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 traveling in vsc+ngx x 8:b+sacuum and reflecting off a piece of +:ss8cxnb g +xglass of index of refraction 1.48?

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