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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 principle;l p5vmppn+co0tk ;g 4.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a false statem-g, *trbx5zg hent?

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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 l k-8ebhjm+od:.jy )fxight 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 l0z 5q t)*)oyn2 pssmqh0. htjwgo*tw2ight is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different opticaluv-,v7 0di t ,5gdylflfen +*g 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 *a c5 i*8sfnuq4 7xq)/wo totqnm), originally traveling in air, enters a piece of glass (index of refractiq*t/cs8u ointo7f) a *5wq4xqon 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enters mxtids9v k6-+h7b* jla piece of glass (indel9bt-s k6*dxjv hi7m+x 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 narro4ihj 1it0i4q3/xwb3rw1 fq nm w s nmq3 rb1 /t 43wq0ihiwfxj1i4lit?

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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, whereas ligx.ms y rw/oo n/2*dmf1;v/qi e6nhju(ht is not noticeably diffracted. Why ish *ni ;yo/.n/mdevofmrqx u(6/ w12js 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 ligt.g 9 *++,kqlh wzuosrht and dark bands when light pass+.tk squ r,w9hz* +loges 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 d3p4c9j iv em tzlul)mn+x )jvz.l3.;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 wfnll ) ycvw-:p18/qub) fk u9me say that two light rays striking a screen are in phase with each lkv pbm 8f)ufqywl1-:c u)/n9 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 travec*v 0z0 xh :7wfz;5+dhvks wkhl different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams0 +h0vw:hf57v c;z*zxd hks wk 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 8-+w4kow d n /x,ifhyg2rmat9n: 5r0 zlngv8qlight travel different paths arriving at point P. If the maximum destructive interfemnv5g,w0 y rrihq/x9lanfdtw+:o82 nk-48 zgrence 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 brh p5- o elkenn*e-24akight spot in a double-slit experiment, light from each n e5ekl* 2-ahekon4p-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 onyxxm8hk9p+d )nrze9 3 either side of the central bright spot in a double-slit exper9xy dn)9e3 zxh r8pmk+iment, 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 in a double-sl xz6rczz hf61 49gr3q/9kq pnmit experiment, lg/ zm 4 qcrfp9q 9n1h3rk6xzz6ight 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 the slida,g0hw p-r( its decreases, what happens to the distance between the interferep,0iwda h(gr- nce 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 be3sh4qhkb+b*:uf 0 wn9+s1bjis arx0ntween adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between ajwnxibsq f:*s 4+nr0+b190hs 3 bhukadjacent 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 lig 93hq: +ejr. cyacs7vrht 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 wy:dhmt, m d-iq+k(ogvcq.t il 0y25* experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at tha0 :m oghld .vw5t2iktm*qc+qy,i(- ydt 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 vk tw3 08i)9cglrlu6k0b2x utobtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light usevl)iw bkc0tgu8 3k2tu6 lx 90rd?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation betweenh0ardq;tnju* 7a *5-d gvii2 v adjacent maxima in a double-slit interference pattern using monochromathd0 2vjv5 a a7qr;-tdu*ii*ng ic 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 pri)lm)ol. bl/ zggnx04dsm separates white light into different color nz)mbd0 ogx4ll). l/gs 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 allowsj6 t*85ebr;qg tcy h-at-q oj1 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 sli+9*5db2 1jj m m,t8ppecq6imzs uctu3ghtly 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 slightly longer than 750 n)0 eaxsywu 347n)-wb7sfxc thm 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 refrs+. z58q wywagx-2+dgy njz:f action when passing from air to glass?52n+qaz:zywd+x . sf-yjggw8

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing from air to k g i2*7-erpfpfab/,kglf,e bg*a7-2/ rpikkfp ass?

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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 incid0ineg n*ftnkgh +4 864wt ih*vent on a thick glass plate with parallel sides, at an angle betweenht8wntkfn* 6 v+40ingg4i h*e $0^{\circ}$ 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 h61bep:j,ifc7a0uvwvu *5 ah volds up two fingers, with a very small *6 uv7uwib:e5va 10vh p,af cjgap 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 exfv/qo79it+pto18q u c periment, if the width of the slit increases, what happens to the width of the centvf oq7qt9 tu /+8ci1opral 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 other utgs r136mwn w+:8gi hone has 60 rths gm16gn+wwiu :3800 lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the onlytdcv 9 3btyv8) difference being that one grating has 3 slits and the other 4 slits. If both gratings are)9v btycd83tv illuminated with 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 slicke870 qju2cmg 8dtx8ph are caused 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 intee ta 5rdr4*)btm r2d2wrfere constructively or destructively, depending on their phase difference. One conr52d2bwa rtm*r)4e td sequence 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, strikaxrlm 6:rl 2ol48bk.aes an air boundary, there 6 a r4b.oa8lmk:2rxll 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/ xprt wq0fmta24nwh73nr 2(o , which is traveling in air, is reflected by a glass surface, there is h/2nwmfanqrpr(32xwt 40to7

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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 beco7me;cd h 2na1qmes very much thinner than the wn7h ;1 ceaqd2mavelength 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 o96si c gxtp45.wznii1 f light in magnesium fluoride, what is the minimum thickness of magnesium fluoridezw1 .4tpsix n9gic65 i 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 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 au4,fth-nqg o7r*s nf(bove with monochromatic red light. When viewed from above, nrn - *su q4(fthfo7g,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 sunglassesg;dbkso6 z (zcfz7+l2 can reduce glare from refle f c6o 2b(zz+;7dszlkgcted 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, theid;wl0 fx/zv) direction 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 dichroil* 6vb +qb2o:wixdmi5c material like a Polaroidwbq52 : vmiobxd6*il + 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 perp6y:3subv..7 g dfhohtendicular to each other, what is the percentage of thhtbho. u.d 3ys6f7:vg e 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 tqq-+yuu)c 7fthe 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 is greatest atya4g88vsdz s,

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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 diffractiowvt(.jq az 0a:n 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 appears to be more blue towarydn*;1g rl(h6ty4 bt9,)y jvhtdc b1 od the zenith (overhead) than it dnjy(9h1* )tbyy vglo t ;,c41r d6htbdoes toward the 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 wavelengthl3x5zbe kcais7z r- -rxv -:+j of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is tbsc: xa-lxevi+k-z7r -53rzjhe 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 passewo y)c*,9tf*vzv 49i*fai i4cp wld+js into glass, which has an index of refraction of 1.50. What is the frequ*)+dj4l*ypct9ai*wi f cvwoifz 4v9,ency 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 passeascm 3bl+y fpov7gonaty jo:-: 3n .65s into glass, which has an index of refraction of 1.50. What is the speed of the light in the .smn6 3c ga-+y:olt: v yn5boafpj3o7glass?

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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 tp1w /eyp7lebneg tdq3 lm/ smv)20q.-ravel 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 toxf02f oh ft9*gi1os7p 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 found to tr8rw ly2. ce,uuavel 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. Monochromaticbpf v 5 )ah4)p6oo:dlj4pmgz8 light falls on these slits, and produces a fifth order interferen58:pz4 opodghfm ))6bv l4pajce 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 orp4pnzm d6+ tn0h, :ahj8o m;wk 0phm4khs5s/zder bright fringe is seen at anpmaw 8mk 6/h nn,+hdm;4z0h4 0h zsopp:k5t sj 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 separa/3z kxa/d;t v /9rvxnition between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the sp;9x rtvi3kdx ///aznvacing 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 exper5 :bnwx+q7lbg p/ o3yviment, the slit separation 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 from the central maximum on the screen will a bright fb +n3:7x gqpwv5olby/ringe 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 a w fnxs17-7u,iwnvh2 0cbzoq3part. Monochromatic light of wavelength 634 nm falls f37u 1bvi0c2zn- sq wow,xh7non the 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 double sliup 74om:r ab zha , 1ecpsi*9c7rc.*rjt 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 double slit. What * r:9 1phieor77cazjr*c4b.c s,pma uis 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 tw0ukn6f g+xbog/c.( gwonf . v* 0fwsp/o 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 1.4760 at 700 nm. Determine vg06 0 u(cfo/*nof wbsnk+wgp /fg x..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 48d:h/j16d bnuk0 nm) and red light (wavelength 670 nm) is incident on a thick piecek/d6uj1d:b nh 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 szyzp,b2zgz3x9ih739*m7 g l:p uqzjon a single slit of width 0.20 mm. What is the angular width of the centr :bz9x u3 hlyj,pzs27*gz9g3z7 pmqzial diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is iiwax.z;iz w4v ky,okju+k8(.yqm y(6 lluminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central kw,zk.u(+yy8a 6z.4joxki ; ymwivq(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 incids(h x. vsj,iu;ent on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in thex.(s vi hjsu;, 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 incid;38v g;t0ma8itcdto 5d yl/voent on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. 8ioott;/0cvv5m 3;yddl g8t aWhat is 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 inciden: *b2rsn9s voqt 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 darkrov9:2s *sn qb fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of widthu6(k8e)r x l0 k8+bnkmmsk4 qd 0.300 mm. An observing screen is placed 2.00 m from the slit. Fin0ukrm4k( e lk+bx86 dm)8qs knd 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, 3*tm-ry- ndso*bfd2 w its second order maximum is at -stry d2m-dn w**o3fb $62.4^{\circ}$. 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 centrl :;p6pd0b lnoal maximum and the fourth order ma0;dnp6lblo: p ximum 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 gra)ublx. pz5 w4b;ds ssb8o(x2m ting that is 75 mm wide and ruled with 50,000 lines. The second-order maxim5slwb b p;(zs)x2o 4 8.bdxsmuum 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 expery vf 66x(xqkyksla79:iment, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from t 7vay6fkxq96 k ys(:lxhe 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 p8rhti)nhctfq-daff( * 8 yk:b98h p 9ker centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central ordefht*f:b88-rki(h)dyt9a8kp f h c 9nqr when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues5w6ch,25a djg.d. nz9dwo qzb by a grating. If the grating has 2000 lines per centimeter, at what angle wil bawz52659qjownhz .cdd g,.dl 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 gratin(*pwrlqs jp *r6t sr7 5n05yheg. If the first-order maximum occurswy7p l5ps0h6*e*rqtr(nsr5j 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 incident normalz m7f. 0xu8r4a9c gv6lmj d*tgly on a grating. If the third-order maximum of the diffraction pattern is x9f6r *tl7a m cg.g408 ujdvmzobserved 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 grati 7z0uh-a9; tbsn u5zskng. If the third-order maximum of the diffraction pattern is observed at5u97 uza;bn0sh -kzts $32.0^{\circ}$, 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 plaegr.cm jd1m1 3d.t dm66y,fky te at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjar1mgcy6j6m m1d.3d f,k .eydt cent 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 of krrdk+l5b/ wj y 2((6dhpgs1hthis bubble will ensure maximum reflrk5d (h2kghdypsj b+wl16r /( ectance 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 is t2k ,vgfy07y*m/rut kx he minimum thickness of film that will give an interference when the light is incident normally ony2 g0x/u mryfkk, v7t* 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 kb b t1iu wp)(4y/1srgfilm coating (n = 1.30) on a glass lens (n = 1.50) for wavelength ) yp i1b41tgubkw(/sr500 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 (fb*z/lg u2zsunpolarized light and the intensity of the transmitted light is 1. A second ideal u*zz(l/ fbg2spolarizer 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 preferjp1 hs+g)nsz7h4z h w,red 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 ob/sx(l+ z8k.hl zn 6,p*xhrrcf glass at an angle of nbr +lzrl/hxc8pk* .s(hx6,z$57.3^{\circ}$. 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 nv -ax+o)zp ri gy0jj/gd+c+9through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are at9r jx+ gd ay+npg0v/)coijz-+ $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected ins )v gkbgs:qypesu9//dyf 352 calm water is /d9 2:/esf gkqvsg35ypby) su completely 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 tjj +1,gxo vm8hmbl4u- qjfjg kk.,;v0hen an analyzer. In this process, the intensity of the light ,v8m4moljqh,.g1;x-ug k 0kj +fbvjjtransmitted 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 v:*h*)an. bciaa9 j:psn /aw:pgl)j ym acuum and reflecting off a piece of glass of index of refraction 1.p b)p.l 9:a ncia)m ygjnjsa**/:h w:a48?

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