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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: 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 princijto9q.hmpxjx ;/ sk /;ple.
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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 a0 stx,+ 5wbogt -/q ,jnytak/u 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 lightz ls u0q)e)m1a2 qt;pq 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 light is attrib -rxt gwij )1)pjxy47rh 1ah.uuted 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 izgadud;pvn2 +uz.:9a9m(i fg nto 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 nmispnn (o s2uie1:9k 4o g4j h.mt3jtg:), originally traveling in air, enters a piece of glass (index moji:sj(n 4egt: kns234. 1pog9t uhiof 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 )ut lh qefbq*k4l21f.nm), originally traveling in air, enters l qt u l4fe1f).h2bkq*a piece of glass (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 9t,46;eth c *wzuirj: l4pctsfor light spreading as it passes through a narrow sw ;4st46chl t9j*r zuctp,ie: 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 8-hzn+h c/ cw(g(pxnj buildings, whereas light is no(cwz hn(jcg+hn/- p8xt noticeably 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 and dark bd2 sd f,j 2f-19xm;h )9zbfo yds;fglhands when light passehf1 -df ,9) f9dhxf; ybs2 jmzgl2d;oss through two 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 coherent if the3dvt 8y(diba:y

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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 werbc ( 8n5ojcju+b,ir+ say that two light rays striking a screen are in phase with each otheroun rji+cj(r 8,+bb 5c?

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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 arp9hyd x)n 1lcjh-pd/, riving at point P. If the maximum constructive interference is to occur at point,/)19 hlnp dp -jcydhx 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 pajmz: et5s l05eme2q4rnaqt d88 i-m4sths arriving at point P. If the maximum destructive intertmj4t : msn2dmiz8854-qe0le 5 rsqea ference 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 cmjmp*,mtj wf s5.+v:bentral bright spot in a double-slit experiment, light from each opening .s*+pmvt 5:m wjbf,jm 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 sp0.bcud.o./5zh(vumcs qz+ 4tkdd .d got in a double-slit experiment, light from each opening a5.d/ zdo. zuu.th( v4bs0 g.dkmd+ ccqrrives

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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 ei4 8vt6hgjz pw.ther side of the central bright spot in a double-slit experimentg68tvwj4h .zp, 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 the separation between *:2agk:nkcu q the slits decreases,qakk nc:u:*2g what 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 observed that the distance between a4 pkcms;1 p/ -abbmk hrj:f..wdjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separatks.m/ pbkp-1 ;hfj: wc4. marbion 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 pathodq 4 y h35vfa0q*5ipm $P_1$ 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 arr c7mjjn 8yh( ,prtgq61ives at a point on the screen one-half wavelength behind( jtjq7 6p1 ygr8h,mcn 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 impossibleiq00sb,cq+ c; y)j ima to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of ths0qc ,a;bqjc 0yi+) ime 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 betweelbq9 :m,l/4 n ia*l 2ku1 qwctpt0z8cdn adjacent maxima in a double-slit interference pattern using mozci*nqak4,utqdcm8/w 0:t9llb p2 1lnochromatic 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 separag e +udn0q.t d3amva79tes white light into different colorsqa7de +mgat .un0d39v 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 allows a rainbo)kbk+7x 6b frnw to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm is cu*nxi7 3 fxg04t+oakcmt .ot2alled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm t vhjd ,2).an vtb+3ecis 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 refractgcoh hjta 5.m68;3s ooion when passing from air to gl; ca.g 6hso t8ohjm53oass?

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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 f d9 ( otdf+(mexq7hl4wrom air to glass?tdo7deh f+w4m9qx(l(

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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 3 6z2moisy3 k0d7 k/gxp qvew,thick glass plate with parallel sides, at ow6/ y2zsp3 dmqiv3 0k gk,ex7an angle 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 upb uc(l4mmkcrz +5jt19 two fingers, with a very smal+zt945 c m 1ukbmjrc(ll gap 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 diffraction experiment, if the width of the sli/h 3wcp)nxc *kal(ik4 t increases, what happens to the width of the central ic4 (kn/klchw ax)p*3maximum 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 diffracti w /oxrw8yf*-kon gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two grak yx*w-row8f/tings.

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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 oqk,2 8)neskb separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with 2k q8,koen bs)a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by rempd1 74 )u qdkr:u/t6se)lgbn flection 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 :t b :4geff5;woim w*cv, cmwo. 8o0tcconstructively or destr,ci.oob4:t o fg v;*8 tcm5 :ewwc0mwfuctively, depending 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, str o6h-cj7(dqiw ikes an air boundary, ther6djc-qohw i7 (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 re0xk: m/id2ep oflected by a glass surface, there isx2p:i/md 0keo

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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 becomes very much thi,g*ijw gw-,zd( vvgp -nner than the wavelength of blue light, the film-g g(vgv ,wdjw,i-z* p

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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 om0 tk r.+h3l.cwnq-g k2+ eovgf light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coati2.+m.kgn qr0vlt+eo cw-h3kgng that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminl;qy 4s/dgd. zated from above with monochromatic red light. When viewed from ad s;gdq4/lzy.bove, 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 reducehwo; hh2 e -:2e-ti 4jfhsf(dg glare from ref;-e foid2:t w(- 2ghhhjf4hselected 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 r iici/94kgm vydkgk7o z/7 ,(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 a dik w3,klqf+8azchroic material like a Polaro klf,+8az3q wkid 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 perpendicular tlzs + -mr//enno each other, what is the percentage of the incident light which will pass the two filln s/-enm/rz +ms?

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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 a17, fcdveki j8pg+6 jk 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 s.xqu -hfb,,f punlight 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 diffractionyk kbqoqf+6067.iv m)xr-qz q 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 81 jxgc 3-07 yabg/ff,tsqn xlsky appears to be more blue toward the zenith (overhead) than it does toward tn /0c 8fb31gsf,-xylajx7 qgthe horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes int/oy/p)mg g u(ys1x qoh8ql-8(/-s vafsfh a2do glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glas- oypumssv/g o (fxhhg 1flq a88/(-ysad2q)/s?

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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 ua)9*ttvt/ br7 uod/lpasses into glass, which has an index o7 9*/)rb lutoa udvtt/f refraction of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum*y4g ff)jihe (. It passes into glass, which has an index of refraction of 1.50. What i*fie jgh()f4ys 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 to 9kb9 if0d 0rpc3 ehpuf;/7twetravel 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 trave8*, pbx+yvmt dcg +c/il 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 2d1asm:z; :ty )yu 7 cxn;tovgin 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 a6lip xo(ox u5)f0vx+ipart. Monochromatic light falls on these slits, and produces a f ip60xli xo(+5v)u xofifth 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 575 nm falls on a double-slit and the third order briy wa2k .na/-d j9(yg;yk rz6zaght fringe is g2za9a(k d/ -n 6yrzayw.yk;jseen 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 experime. io4vr cm5v),k p-cx5 wtbnt.nt, if the separation between the two slits is 0.050 m,om5tx.n w k -r.c)i4cpvt5 vbm and the distance 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 wavelength68h2mh(m a7hsi-tx ;h j*kuvds, 750 nm and 900 nm, illuminate the sli 6 muihda- ht k;h7*(2xhjmvs8ts. 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 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 wavelengt1yf 5;kc lhc -z8ntnv1h 634 nm falls on thenh c1-cvzt f nk18y5l; slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's douby3+ vor(ttys+ le 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 3stt+v o+ryy( 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.jq8tol tx ug;,d b235w.9 nq2gygmhz two 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 glassqbn5j mq gt;du h,g2l8 .gw.9 3ot2zxy 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 dq7d0z5t1tme red light (wavelength 670 n5dtez tmq0 17dm) 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 falls on a singlm/c9, uuz+ g12oqfq mgl;q x*de slit of width 0.20 mm. What is the angular width of the /ug, oc;1qxldu 9m 2fmqgz *+qcentral 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 is8u v8 iw6edd9 9i c,t)brz4rdgt+hs3c 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximum h9+d dzgvc63utc8e8r9,is4trdw b )i?

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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 mmvs ngs qw6cd535j:o4d wide. At what di5 o:cn q65dvsg3w sdj4stance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the 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 incinq mp9l-0v yh;dent 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 is the width of the cq-p ny mv;90lhentral 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 width 0.300 mm. An dut7+b pro ;+xfzt ()pobserving screen is placed 2.00 m from the s+xdu;tpbt o+zr)f p7( lit. 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 587 j(tyo19x n/p mgmu7t0 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width ofyottunm9(7/mjxp7g 1 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 ceneahlyc-t1w m1q5,hajc5f4 . o timeter, its second orderct he alcf1qm.y5h4j1a,-ow5 maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. Thhm d(hhp3i4 hl9bu7 d)e angle between the central maximuh ()hulh9dhmp4db7 i3m and the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide and ruledzg 5lbia;+ie2a f(l-i with 50,000 lines. The seci(i- gaf elbl+;a5iz2 ond-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.;mc0dpc4 * ewufclrrb v:h93 of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochrvcb: ue3f* crpm.0;9 chwd4l romatic 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 6000 lines per centimeter ruled on it.; j 3ofi 2cx -w*qhkrj 2,xf4tv7mgqe. What is the angular separation between the second and the third orders on the same side of trf4.fj;t3q jo2 x7wc qix*hg e-m2,kvhe 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 spreadvm5a 1b i3ol(e krm+ tx+mlhg(8ow6+n out 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 firswtv+( ak lem oh(+gomr56nb il8m+1x3t 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 tclbx -pj3 0 (rror.(+)(ngb3 lm pxqtzo calibrate a grating. If the first-order maximum occurs rt3rl+-n. comrqpbb z(( jxlx 03)p(gat $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on 0l31 l8hj4n,a1hsnoo2g8qjx k p w k;ja grating. If the third-order maximum of the diffraction pattern is observed at 8oxl11, a; k2onn8hsljqw 4hkjj0pg3$32.0^{\circ}$, 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 normalluc-*+mra -aqiyuo *7c i r4gy8y on a grating. If the third-order maximum of the diffraction pattern u*iru- 8q*o +iyrmgy4 c7aa-cis 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 bkgiu 7; 0ssax, euqy27)dt7g ry a strand of someone's hair (diameter 7,7rxueystk;g uaqi0g2d )7 s0.010 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 in+i6rsx s b9h9tdex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengt+xtr9sh s96b ih 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 k x84 x17w2,rnk2tb/s )bdiqhzt2vb iilluminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is inciwtqx h2iz7 t) bdvk2i84s 2b/kxn rb1,dent 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 nonrefl 324obu0ea4y9tsyxhlfart1j 7. l6n becting film coating (n = 1.30) on a glass lens b41rt7xfj0nyuoh4aa2besl . 6 3 9tyl(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 pl1zk0 ha9c 3qk3 b/dkamaced in a beam of unpolarized light and the intensity of the transmitted light is 1. A secokz93amk/ bh c31daq0knd 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 itsarl-si4 qd 1:i preferred 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 of glass at anf25 ij7wme 7ucu; 2rtyyb aw tqc6qg19/-n)op angle of 1-;52cu9b og7qcy n6 t/2wqywaejp )i7rftmu$57.3^{\circ}$. 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 polarn/k-v 2oeog:fizer-analyzer combination. The transmission a /gveo2kfo-n:xes 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 imas qu 2uus+kd;/ge reflected in calm water is compu+;ssqd2u ku/letely 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 throg2,gmc 93s-xyjsv x/akh ; g9dugh a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensit-s ;xmcg3ajv9ysgx/ h, 9gkd2y 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 anglp533qhl 2qxdax9ee b4e for light traveling in vacuum and reflecting off a piec9h2 xpeq3q4a5d3b exle of glass of index of refraction 1.48?

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