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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 principlw pw.zo11qea. 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 falqj sjn5 g99og+- j4a6uxnb7n.bu2sx ise 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 attributez8.+mpb)5y4trq onfod 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 attributed v7c:jwovuv l,v+9 ;in 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 izm-sx rwb3m+:lz) xc4 g4f0 wd+rjubh-l 0nd8nto a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally travelijqk v9t1n u:ku vub)*-ng in air, enters a piece of glass (index of refraction 1.50), itjv1)nuvt u -u*kkb9 :qs 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 traveli mfd12/;gmp yris8b6lng in air, enters a p/iyl2gd 6rp18;m bmsfiece 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 for ligha;k n4sl.vfiv99) ikgip2/;+ ic cds pt spreading as it passes through a narrow sl s+v)i;klg;kp i9c 42fcn./pisi9vad it?

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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, 8ubhxe2ly6;6 v0b *ly3fr wi ewhereas light is not noticeably v8 w*hb;6b2uifelyyrlx 6 30ediffracted. 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 darkt 9jo(5yle v8wb 7,wed bands when light passes through two oo79ee ,(tdwwlb5y8 jvr 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 r- qb7hcxl;dzk:(a vv3eit 59 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 hajh 8q.l(.)/2r5gm +tyw6x:p k;fag iklqlzare in phase wlz/)g. w6i ya 58x2:rjhtka +.hglmp kq;(fqlith each 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 pathj-4psh 0lae1z rc/iyqik6iw/.sm0 p3s arriving at point P. If the maximum constructive interference is to occur at point 1sklq3 z a. rjiep0wc6/ yhm-4isp/0iP, 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 lim:l l 4sz.ue)ight travel different paths arriving at point P. If the maximum destructive interference is to occur at point P)eu4lz. misl: , 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 cete 1/le p1g8 6x9x2(nvnarof yntral bright spot in a double-slit experiment, light from each opening apf/g l82oa9 1tx (6ye1nv renxrrives

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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 o,lv2bs /o:q:kc9d kc sn either side of the central bright spot in a double-slit experiment, light from 2kl9v,ccb os:dq:ks/ 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 ). doeb+m hp8eof the central bright spot in a double-slit experiment, light from .bmh ed)8ep+o

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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 sf 9-c,tay7,diwtcz (h43h kmseparation between the slits decreases, what happens to the distance between w7yz a3 , c-tmhk,h9st4f (cdithe 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, iaw 9a7lw* pat1t is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance betawwl 9p7*1 aatween 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 ligh*w8vfw enn-b1y+g*i qgat-m+jpb( m 9t travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arr3 wpm3 rye/-nq4nkgw 9ives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that 3nk9nmwr -yg4qpe/w 3 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 intq,x8pxnez 4jw9ih7 f b;upv58erference fringes in a double-slit experiment if the separation of the slits is less than thexbp p8987;,w4 u hxznqivfj5 e 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 interference patter;vg: /473fukgb a nuwen using monochg 4 nuf7ke:b;gavu/3w romatic 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 separates white light into different eg4:r: k*xfq:m*dw k hcogfh*k d*km::wx r4e:qlors 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 qf)45f2 f+z(qy (o zdjdake4 trainbow 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 slighvjs l-b68lt .ctly 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 nm iilrjyz1 ur/73 s 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 greatescw-m bo w5f4;tt refraction when passing from air to gt ocmf-5;wb 4wlass?

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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+(2,p xupfg )nnf3d ves the smallest refraction when passing from air to glass e dxvn2)gpn3puf(f +,?

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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 parallel9, bv/ dwx7opxhp7zq2 sides, at an a 7oq pvxh7zx9wp2 db/,ngle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds up two f)1 nqr7*li oph a)s.y(a(eggwingers, with a very small gap between them, and looks at the light source, she wil ig1 plqwe)ahgy7 ).rn* a(so(l 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 exper9wuof.5q vr:exj b -z4s, msz0iment, if the width of the slit increases, what happens t4,quzm .w9 ss:fb5zjx 0rvo- eo the width 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 diffractin1:e--it;c bwbe cnpwp;ub ky x148f4on gratings; one has 4000 lines per cm and the other one ha;:4b8ywnneib1p wxeu-pc4tc1-fb ;ks 6000 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 ov8btkmi:zjuk-0 2 jtlx9 /ja2nly 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 separj0/bku2j 9 jaz:-ki v2m xtlt8ation 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 reflew(3 9w/ ybgqdection 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 monochroma+wk-e vu l,25 -)oflnego z.fytic light waves can interfere constructively or destr l woy5fve+2. -)ufz, n-kelgouctively, 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 i 4iux9 64pri(hnvl3s ( 9iquoon glass, strikes an air boundary, there4r(9 6ixqhviui l4u (ps no39o 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 t 7 yp+ts3+cbqair, is reflected by a glass surface tbq+tcs+py37 , there 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 light. As the film beco*-h uni5cmeja3 (krn 1mes very much thinnerrua3m e- n*hnji ck(15 than the wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoridxn g4-6b-0,tvfsrr( br)q6khbg 5mhh e, 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 magbg6kq56g v-n -mh b)0s,trr x4fb hhr(nesium 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 glilk dc// j0 5q;;w (;fzniyrtnass plate and illuminated from above with monochromatic red light. When viewed from above, concentricjq/5;r yck fi /;0zl;n td(iwn 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 forvdtnp ewwrl90r +od dgg89 /95 the fact that certain sunglasses can reduce glare from reflp98r9 5r9edvdg+w 0n o/gwtl dected 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 directz+gab r6pyv02a6 c/h tion of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain il56f yv8ns; tpolarized light in a dichroic material like a Polaroid fil 8islf;vt 56nym?

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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 Polaroi kf vck)*lye /wo;e0yu9-:brau4 : hdbd films are perpendicular to each other, what is the percentage of 0wyd/9bye oh)r kkf ue:4*u a-lbc:;vthe 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 sury1 r:-7q6dwu7 mg uq2*xh)gzlmdi0mi face 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 greac p3m-s *8uyektest 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 ihn6i 7gmxdz /9 s(by1g isea ogc:w0/4s diffraction 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 bl3m2zvz8 qoy:cue toward the zenith (overhead) than it does toward the horizon. This occurszq8:yvcz om32 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 sf ;7h/hp4l5 qkdvf*hpasses into glass, which has an index 5p7h dh; s4/fhvk*qflof refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which has an ind++/:b5ogw 8pxcvc nu sex of refraction of 1 cwbcus: 5+xnvp+/og8.50. 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. It passrrxqnh c*he(.1 d.f7u es into glass, which has an index oh qxd*hr. c( 1.u7nrfef 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 vacuum is found to tqeakz5d 6nqlf3ul tj9+ u2k kdh089.dravel 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 n h2)1c5h hj*: trm mjd-av*gnair 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 g3au qwzd9arwr0ir( h1;fe2 3qyu8 l9550 nm in 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 ap(1)u hs)zorf pes5z1ul,6ypfc a.a h4art. Monochromatic light falls on these slits, and produces a)114sc,e ufu pzohyr.s(f6 5pz) ahla fifth 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 thesbwi1,6*dn au third order bright fringu1d*, a6 siwbne is 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 x ;t3xg rs1 ds2ndz )qr*hr30uthe 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 between the first-order) s3 grdh; xnzqrurt1xd20 s*3 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 exper(d u9x :lye,ctiment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 9x el9 :d,u(cty00 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 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.x+xrr19lw; x rmj /vb:050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fri bx/v mr +9;jwr:xrxl1nges?

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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 s;x s.);wy*yj :zugmqvlit 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 is the sep g; v*;yquzj:mx .y)wsaration 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 wavelengths, 480 nm and 700 nm, str8e qwlz7 be3e.h)-i lrikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the gl3qr8zi)w b7. - elleehass 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 lig7zh6j aakw1xq p443 yxht (wavelength 480 nm) and red light (wavelength 670 nm) is inc awxx3k14z7pa 6q4hyjident 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 single slit of n0vdz+-s 1 o1yrn;cc 9kc xj7 ln.f7vywidth 0.20 mm. What is the angular wiojlvncn1k7x ncz .c1s 7d0+;rv yf9 y-dth of the central 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 0.050e xun//r k wjxzo0d67( mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on r // jow(z7k0xd6unexeither side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is t /ckye 4-ufwl r/n.r5incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placedk wr/f 5n/ucr.-tl4y e 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 incident on a slit 0.20 mm wide and the diffr7m dk ik22hy ;s69ialk)r1 cld 1hrs-maction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the c k-7ah d; sr)91llck i22ir1 s6hkymdmentral 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 0.30hzs,qi57 wsg.4 )k-q ;u lizwb0 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order da i4q; h g-5wiwquk)7.zsb, szlrk 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 slib5,mybir9 3bp t of width 0.300 mm. An observing s 35,mbp9yb bircreen is placed 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 per centimeter, its se hd:ezwox*+d .qv*x/i w4 ig,wcond orderh*iqi. odx ww*x dwgz+:v4 e/, 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 plp p4;21 jmlrher cm. The angle between the central maximu;p4m1l2hjl pr m 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 anyh)od vxx* ;g7n- bxs2d ruled with 50,000 lines. The second-order maximum is seen gv2xxh-7;*ob xs dy) nat $32.5^{\circ}$. 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 producesd 9kq3umh n/+u 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 thm kd u/h9un+q3rough 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. What is the ah(kotz9 iz*c*p * z7 fbd7dp9bngular separation between the second and the third orders on the same side of the central order when the grating is id(tzc9 o7hz* bzf 97pi**pkdblluminated 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 hues by a grating. 1vj dys qp6qu9yg ,*9w If the grating has 2000 lines per centimete* gv,9qy w j6y1pusqd9r, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the firs x(vog*cp;h,2 iaxyf;1.yr rft-order maximum occurs at2ry i(;;xfvg afhro .yc,1*xp $20.5^{\circ}$, 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 md/z(e 8j/d, vpn;b*it/ y 5oomt xss*a grating. If the third-order m*(sm/*/ 8;tovmy d, ei p/bjxznsdto5 aximum of the diffraction pattern 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 isulhp2hnm1p f, 6a8r-z incident normally on a grating. If the third-order maximum ol m2nphr8-,fp16hu azf the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at one *qvlc0rveh;o8s0;v9 fegf)n end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of f);n 0e8h9f*vs l grvqoec0;vwavelength 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 thicxw gv.rz)jt6c.-yw4lkness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengthxw.lw4 jtg rc6v-z.y) 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 50.:lsbrdh s g e7-uko5/0 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when th-sd/so 5hugk r7 bl:e.e 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 7nuauq2ke0 kd vn,f3u)m q0*t = 1.30) on a glass lens (n = 1.50) for wavelength 500m20uenq,vtq0 *udn7 f )uk3ak 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 unpolarized light ank 85ph)*++jkd km xzxk(-mtq md the intensity of the transmitted light is 1. A second ideal polarizer*)(mmk xkt-k+mqzjkdp5+ 8 hx is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction rotated k7;vj7*axb nw$30^{\circ}$ 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 ans k8x/n-b4bmx angle of bs km-4b8n /xx$57.3^{\circ}$. 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 combination. The ; 2j+;az7hy+qnnp 1cydpe fj1transmission axes of the polarizh;fjj2;7p dy+1eazc1yq nn +per 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 image reflected in calm watfw5h3pi+-/cwvfji f 5 6gnhu0er is completely polahgwhffi 5puw360+jc-fv/n 5i rized?

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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) 2zhmib n 6;avk9ifm5 then an analyzer. In this process, the intensity of the light tr kfni) 2ih5mb6avm 9z;ansmitted 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'sda, e; rrbt: u7fgrcsyy;e(* mc.1h u0 angle for light traveling in vacuum and reflecting off a piece of glass of index o:e g; yudehc7.1yr mr trbcs;u*a 0(,ff refraction 1.48?

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