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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 princlox wfe(gh.x5n 0*s i*iple.
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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 false6rg u* ax26kglih.e)w 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 t6:d*s+szul n5f1cp 4q fdu2x ho

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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 isi ; t1 l -gm1/uxo4qoz2qt)taq attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different op e uwb 6 1u8amsgn86upv;le75jtical 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 (w n8qgm6*9q v uhp.v1vgavelength = 590 nm), originally traveling in air, enters a piece of glass (ind*gnpguv9qhv q8v 6. m1ex 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), or0jr /rs xtl1/ciginally traveling in air, enters a piece of gl/j/1 st clrr0xass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes through a narrowz;xigl:f/)pq slitfl zqpi/;x): g?

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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, whlkn.zwy, 6u/*o mz1dr ereas light is not noticeably z6k. lr*o,du/1mz nyw 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 alterosqmkyjioc ):;k86/v nating light and dark bands when light passes through two or more ns myok:8j/k;6voc )iqarrow 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 arh sg)cenwy r2x) fiw,6ym(-+ym *;xkxe 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 striking a screen are i* jm,w9 ei h1gjji*qa2n phase with eah1,jj9 wi* miega *2qjch 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 li6ck1 yu*cbo1 / pzw8r x8oldm(ght travel different paths arriving at point P. If the maximum constructive interference is to occur at p w/lx68 rpo 1o1cy( mb8czk*duoint 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 poindmo1x/0 g,kqm9yvp9y t P. If the maximum destr1q xoy9 9pkgdm v,0y/muctive 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 central bright s31mu r( n+hfcfpot in a double-slit ec+hf m 3furn1(xperiment, 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 altjttq j27 .8sr5 z/ol double-slit experiment, light frjto827j/qzt5lr .t lsom 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 briy(h6sw/f8w fk1lu c vao0+tu,d8ix p :ght spot in a double-slit experiment, li u8sy6fk8cu,wp0x (1f/h vwild a+:toght from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between r1k400kieikogd k 8z* the slits decreases, whatk00iokgzkke r i1d8*4 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 experiment, it is obsih-eh0sckpn0k 710-v nvc6lserved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the -h-ic0 07lncp16esksv h0k vn 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 travels path p; musvrdm80xkuy+2 1;* gwcv$P_1$ 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 ex to+,)/wkko kwphhfd9hs ,h1/periment arrives at a point on the screen one-half wavelengtkoh91, ,f/dh sktkp/hwwo+h)h 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 double-slit e.iw l 1zo 2qnn42t+iapxperiment if the separation of the slits is less than the wavelength of the+ ni .ol2 4ztnwia1qp2 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 yq.i)t6yw , ddqr gi:2i63ilwdouble-slit interference pattern using monochromatic light i d w3,iryw .iq6yiq6il t2d:)gs

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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 different co6-2dbwtdnu d 34dp g5glors is-g5p6w dtd 43ddgun2b

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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 901gqnon/ga2e0 nwg jrainbow 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 shog j2 vs:cxso9j 8 :(mtgugguo6m9wj- 3rter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longg3tv:s .a/esher 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 great m/e-xo om7+v5 pon)y5y6osnjest refraction when passing from air to g jn-+e7o5xmomp)os yo 65/ nvylass?

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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 undergoe+--,u kr eqpcss the smallest refraction when passing from air to g,+s-pur-e q kclass?

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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 thfz4edsli0 x xj6 ki)8(ick glass plate with parallel sides, at an an(f80js4d)i xzeki l6 xgle 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 nod3 s2ko* p8kk5ncuuj )w holds up two fingers, with a very small gap between 5jkk82*dou k nu3ps)c 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 slit increas6a hyj/q;6-+olqhv rvv-q-gyes, what happens to the wi-qloh;q6a-vh qvyjy + rg/-6vdth 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; onn8gq jpjj(8t)i;6 thye has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the8jji ;q 68j)tpy( ghtn dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit ser*/vwafb-t3bxa 4m37 k.q rr bparation, 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 betwee/fr3kab wqxt*4rm3rva-7b.b n 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 cau*ifax,dc :o ;/vvexz5sed 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 interfere const.ka//,fz6 evzq jg m6tructively or destructively, depend6kmqjf ve //.6gtz,zaing 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, whichffuscj-5/1 sv is traveling in glass, strikes an air boundary, ther f5sj1/cfsvu- 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, wg:yjug4*u ),ble zud2 hich is traveling in air, is reflected by a glass surface, there iug udy4u ,: )z*2lgjbes

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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 be w*91v-cgk9fd c. zuuacomes very much thinner than the wavelength of blue light, the filmcf* u c1wgz .9uv9d-ak

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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 magnv5uv 7+n .k qc5fcjaark28 g5l6vkw9w esium fluoride, 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 fluoridec5q.k vjuv5lna kvgwar28w 65+kc 7 9f 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+r nma31(njcnk b z*u9 with monochromatic red light. r3ack ubz(nj19* mn+nWhen 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 cert a 6onr2 s/:.luzzcl+dain sunglasses can reduce glare fromzn c a:l /lr2zo6uds+. 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 dire00m+3u sae f+y.u5vb,uzfg 6m(aiqanction 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 li8 ocmy*d eolaow57o 3.dy+,vdght in a dichroic material like a Polaroym oow,l .3yvod+85*cd 7eaodid 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 perpenjb3s;9-swloyfd5 7 5h 7; ikggs4zfw zdicular to each other, what is the percentage of the incident light wh 7;gyh9dw5 zib-f lgz4js73o;sksw5 fich 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 surface of a -d8q*; muo+lu aj kr pl-i,z36izabt0lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight0jv3o7; rshma3 k/ wpf 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 exhitdohl, nt, toa6v l.d -6gm.:rbited?

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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 towardyd c)a- se*q:v;psjg4 the zenith (overhead) than it does toward the horizon. This occurs beca v 4c;*pa)sqydg-s:ej use

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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 glajhx08z gsl9) mss, which has an index of refraction of 1.50. What is hsxlm 8z)9gj0the 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 passes into glass, whichg0si+jg:qtd 4 has an index of refraction of 1dst0 +ijg4qg: .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 wavelength1mxdzq.6s-2 d o y(cakb3ze bw 2.uz:x of 600 nm in a vacuum. It passes into glass, which has an ina k c2sbueq6 (12 dy z-z3d:owxzb.x.mdex 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 550 nm in efh z(xghvaf 5 9;d3+u6 hlrw.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 found7brj3n8lkf(-otg s l: 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 izy(zr6fn0o i5n 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, ac*l4vd0wgd vfdk6 uh9nsp zsxf +98 0*nd produces a fifth order inhdlk 99w f*f 0su+dc4nv 6s*g vz8dpx0terference 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 ps73/qkcyr *;f ggu7gr( ;gne a double-slit and the third order bright fringe is se ;f 7*g /r(e;krnygq7u gsg3cpen 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,; ,xgp m)-plms2pe. rb7hx256fqg r xi if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betweefxqpp-2.) shbgx6 , 7em 5rlp;m igrx2n 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 sepz 48nms* 4treparation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is p8emt* sr4n4zplaced 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 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 wave1pjo.phz5 r o*length 634 nm falls on the slits. If there is a screen 651.zjo pr* pho.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 do8(7i-:rp wkt/c vv/m3db( d-igkhs oq uble 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 doubw /7/bvdsv (3m:g-kop ciht8- rd kiq(le 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 wavelength:cq23b:w p(zbjuw p7qs, 480 nm and 700 nm, strikes a plain piece of glass at an angle of inj:cq w(2p7 z q3pw:bubcidence 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 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 light (wavelength 480 nm) and red lighwfsq0g h)08vdo/jyx * t (wavelength 670 nm) is incident on a thick piece of gjvy x0dg0 o/) q*hwsf8lass 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 3q(/qqkezzxeiyh b -mr uo 95+s, e4j/the angular width of the cent+hi-q3 ( /mz4 /qyxj,9eeeos 5ukrqz bral 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, iswr e ,; it d6iohy ed9q.i1xjo:i6wz,2 illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximum?i t,o6d6e. rx;1wj9y ,oi hi2wi d:qez

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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 sx8 + vlx5 1qonvx/(u bj.o)cbmlit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringexobvn xm/+ 8o 5)lu1xcbq.(vj 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 a13 hp+*da-gxyu f6,;f gtrixf slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maxi drpxyh ;fag6u-t3+f1x,g* f imum?

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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 widthvzr7uu wyt oh3+ rz3 0 rc3a*6eohe2vmr (c0b( 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order rtcery67ouvwvu2 3+b 3r0z3r(*hzeom a 0 (h cdark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incid:oux t:) v5xh oem,-ra8qg py5x(y v(fent on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the oa:8rg, (y-xtp(xv5 qve)uyo :fhm5xslit. 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*,ompr s;fv0v orderp sv *,mvo0f;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 cm7wjr4hi:e p84cno,j z. The angle between the central maximum and the fourth order maximu8 e,i 4j:7c wrhponjz4m 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 067uhd f*n,yl0 brtjw75 mm wide and ruled with 50,000 lines. The second-order maximum 6wu0 t y0l bj7df,r*nhis 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 600 nm wavelength produces a first-order /fkyqhho+ g0 p516+ baq n:etrmaximum 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 diffraction grating. What is the wavelength oe+at5nqq 1 o:h /bf+hp 0y6grkf 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. Wh6 pt(pr2ua2hishmdm,v7 z;e( at 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 wavelength 550 nm7,t(smv; p z 2aure26(phdhim?

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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 grating. If the gratinkwq /jd5,od.1.pk x ivg has 2000 lines per centimeter, at whkd ij,5/.wk.dpv 1 qxoat 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 mn9z- j)h4rsi9m ujzo )vo2a-caximunj4iojs-urzac9 -m)2)vo9z hm 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 inxxq cr o:c*d5/m ftoj; *z,t-qcident normally on a grating. If the third-order maximum of the diffraction pattxq cmfqz;/ j*-,txc t do5or:*ern 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 normallyg0bia sy)9.muo8x2dn ww1l 3y on a grating. If the third-order maximum of the diffraction bd)0wus3 2.wm91lxiy no y8a gpattern 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 anothed n;dw57 n7qiof:pb3x r glass plate at one end by a strand of someonew737 fpox:dibq n;dn5's hair (diameter 0.010 mm). How far apart are the adjacent interference 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 3x)fhfxuer kj5)e2j8of this bubble will ensure m e5e u 2fk)jxrf)8j3xhaximum 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 iy cxi p-0 ,tj2g9,xh3jcx.lrbs the minimum thickness of fithc,l,.3j jcx b02pix rg- xy9lm that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = 1.30) on a gl m: pw bw4uv:q +xqbm g;y,gcdqk30+4nass k u0w+dv:cm 4g3 gnm xq;wqyp:bb+,q4lens (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 placed in m3rkr r(kca 79a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated rc(rm39ar 7kk$40^{\circ}$ 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 preferhv h 2xp*r:i9nred 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 o mmp6nln,tdu6 (8z6lg f glass at an angle of ul( ml6mznn6gp,6t8 d$57.3^{\circ}$. 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 polariz6wbmz*8j 4 gdid: jxk.er-analyzer combination. The transmission axes of the polarizer and z.8xg bjdiwdj:* km 64the 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 wh;k.xwo-6 ;7-ps/ce1lwrqq 3t uqj inmen its image reflected in calm water is completely c-/l. ewnuwtqo;m iq6; xq7k r- 31pjspolarized?

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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 anz zx8 jalr1 j-7fv5x.bd then an analyzer. In this process, the intensity-7x8r xzavzjjf .l51b of 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 traveling in vacuum and (z 3nr 61rvxx jcg:zacy56ql7reflecting off a piece of glass of index of refraction 1.48?: zqj6x36a(vlnyg c 7x1 rr5zc

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