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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princibdkz +w d /6oc5tusj/)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 a false s8-xolti,p5f vtatement?

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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 attribc. pg+ahpv:xc7 rn-/duted 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 lighto3demp: );r epgybd 51 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 optical densia-w8 ua1b0 .lqd csy n/limn/z9d.,enty,

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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), originalm 7synqfs09j)9zfev7 (h7k mmly traveling in air, enters a piece of glass (ind9ke9ff)smmy 7v 0(qmhsznj77 ex 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 lightj,ps 5i ci;:xc (wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of i pcsxcj5;i:, 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 narro18a vesrd e).c v03cnow slit?38oscndra c.ev) 1 v0e

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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 light h,v 4kyo 7zizhe1f,jp((z hz /is not noticeably diffracted. ,h (,kyi je17(voh/zzph4f zzWhy 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 responsiblr52f 1mxj wd( kepnx 0v;;ul:ue for alternating light and dark bands when light passes through two or more n2;v:1(kwxnru ; ud p5fj emlx0arrow 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 p19*oqqeyl*8 fahi cl;6oo:lthey

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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 in phavrzo5 +apa+ceegzl2ck(gs0 yw -6/x3se with each ot/0lacv3xwko r 65++a (gsc-zg 2 zyeepher?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If the 97wu9j)toka d maximum constructive interference is to occur at point P, the two bd)a 99kot 7jwueams 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 ligh;.wt; lbkmfbqqa4(exrt (4(b,s o 8odt travel different paths arriving at point P. If the maximum destructive interfere bwm4a((brqq4t;l8 bo f,to ed(; x.sknce 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 eith4ajes-hda6aj 0q d*nx4bw w(7x f12xyer side of the central bright spot in a double-slit experiment, light from each openfa -40(2wb7aj hs 6jne1xdx xw*q4daying 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 s)cffy2- h jm q49d3mlbright spot in a double-slit experiment, light 4cl9) qy fm2h3sj dm-ffrom 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 centraoy8ep/p,ngcisly( 3(-(j ei c l bright spot in a double-slit experiment, lip op 3c-yenic(,(ei(ly8 js/g ght 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-cru)*ajuef l r ax :deip0-2loy584j separation between the slits decrease -)p*d84ijual e-r52aruc ex yfl0jo: s, 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 adjacent mg0 2v ,0p9t amy2+dzl8 bxp8lxwdm*hv axima on a remote screen is 1.0 cm. What b8m9 ,*a0xtm+v2xdg vly8lw20 phz p dhappens to the 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 p 33e8xg sc j7wc+ :c:/cqybnsqath $P_1$ 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 do 0s w k)qip s( :2fezj6dl9e/sms:w2 zbhj*/gxuble slit experiment arrives at a point on the screen one-half wavelength bessk lisbj9gz/m*(0j:fzsw de)h/e 2:w p6q 2xhind 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 fringekyo 7jie ,:ftz:r;c.uo-xuu 5s in a double-slit experiment if the separation of the slits is less than the wavelength .x;: 5o u7ekyf ur:juzo-ci,tof 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 interferi: ysn 8jzc8;akjn 3xh3u,yh1ence pattern using monocjscu:y,z;j88 ka3xn y1 ih hn3hromatic 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 dd ;smyk1fbx,( ifferent colors y(;1xk bmsdf ,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 alloyq zxb10da: ,ts7 :uctws 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 slightly )5 ,fl2lq emfashorter 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 slightlunqn hh-su4i(rh+e) 0gt93eor6 3hvky longer than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undzg pk1 0h9(p 8gzut,bof9bz4l :d3v tgergoes the greatest refraction when passing from air to glastzpupg 9f3bdhzt k8:4o,vzb l91g 0(gs?

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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 frr l nfzp813qy+om air to glass138fyzqpr ln +?

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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 lighox +xau 9acatl0qi:j ysf 7+4/t is incident on a thick glass plate with parallel sides, at an angle betylat/oa9+0i4xfq j:+ 7xauc sween $0^{\circ}$ 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 dhcdfuk, zp:naxqi)h 7 5d*l45pd13myistant light source. If she now holds up two fingers, with a very small gap betweyn x 7i1 ad5d cqum3hp,k*h:d)l5 fzp4en 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 tf3hn 57eqq*lqhe slit increases, what happens to the width of the central maximum on a screen? 73*qqfqenlh 5

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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 osf l;5qur8 s)v0hbn l:oe,g .4000 lines per cm and the other one has 6000 lines per cm. Make a statemen orh. bl,u:5;flvss)go8 eqn0t 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, theh.r7s9hym 9ftgq5md ga,;e4k only difference being that one grating has 3 slits and the other 4 slits. If both gratings are rfhs9t5 ya, dmmg .q7 9hk;4geilluminated 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 slick are caused by re (-ibh3881 sy4b+nt tjek/nwjpfzr 0eflection 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 interferegl6px /*) -hd5ub uoks constructively or */65sdboulghp)x uk-destructively, 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, strikes an air boundar6fl:xq0*q t + inx,-ed1j(diqsp5w dy y, theredqpq6 eld fw+ 5dxi :xn,1(*tq- is0jy 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 travelinahdh mz+tkcb ns :drx;1(lmao 1 -:q2-g in air, is reflected by a glass surface, there-- rbmc da(a+s:dn 2tz:1qhxk l1;mho 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. Askp2bw *6r pv*ngnuu56 the film becomes very much thinner than the wavelength of blue light, the film 665ub2ugwk rpp **vnn

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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 74eirn)i4x xm/m n ,opin magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a g /4mi4 eimoxxrn)pn7 ,lass 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 glafm6gzpv.u,e3 l (qvg4 wi*7m kss plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of (m. l 3em6v7zk*g4pugwf qiv,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 responsib0dxsm1.c +mzgny(a8;ob/ i zzle for the fact that certain sunglasses can reduce glare from reim+z(c;a 0g .d/z ms 1no8yzxbflected 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, t7x60*mbqz y hssrb (o9he 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 lightejl5zrd;*rj ) in a dichroic material like a Polarojrlz5e)d*; jrid 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 perpendicu2/ ufnl cfw0nbvij-fdt* t-02lar to each other, what is the percentage of the incident light which will pass thtf-w2uf0v2i b-/jl*dntf c0ne 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 fromo4y6:iz:avo x the 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 isofo(*t 3ujlk2 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 qbo4jbwqht:2s3o): z:cr e,zh(r+f o 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 toward t 4b7w8f:p6 j bmh,z 4ww9i7sr alf;lqphe zenith (overhead) than itfl ,76w q:4iwszr p84m bpaf7 b;hwl9j does 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 wavelength of 600 nm in a vacuum. It passes int7ifk4d ; + j5 t- n3e(lwz8a*xbbegldno glass, which has an index+ti jl7z exf g3- ak8ln(w*4bdnb5 ;ed of 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 ibr4txh(19bmj w8por9pyhb2jct7 j(3mr 0 h/ mndex of refraction of 1.50. Whh7tbrr80cpm4/y2j(b m(t b o9hjxpjh1mw 3 9rat 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 passes intojg:v ff9gf ,qlm qx66, glass, which has an index of refraction of 1.50. What is the ,jgv,6 ff :96gxq mlfqspeed 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 p 4 /v(lcpa 0dwp+v7ssvacuum 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 found to xmda 3fpo1xfr1hoqc00*/7gmm ( ez .stravel 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 in2uxdmvcg-6io gbkv:)c. 07.vs: nq gn 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. frahh(1qxche+m7-l /e5ocv7 *7ddb i Monochromatic light falls on these slits, and produces a fifth order interference fringe 5(hf/cdd7m+ le* -hve7oh abr1xi qc7 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 brig28q p*lz*p4a2c bsdro ht fringe is seen at an angle of8*rb2q d a2slco*pz 4p $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the two slits is i/keo9 ;vy)ajwo :9jt0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betw/kvjwj9 t;)oeo: yai9 een 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, andb52k 2se yj+zy7b,oam two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits.2kyma o5jeyz+7sb2 b , 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. Monvab ahqjuh4t;3 e /85uochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 mt8uvquaje/h; a3h5 b4 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 i:6iy (tipu -nis incident on a Young's double 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 double slit. What is the separation between the third-order bright fringe an inu( ip6-:ytid 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 waveleng /v:+w9jgo6w-rf amp vths, 480 nm and 700 nm, strikes a plain pie:a w+gm 9fjporv-v6w/ ce 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 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) and3p l22 y2xaqe3gd nr9k red light (wavelength 670 nm) is incident on a thick piece of glaslryepda2xk 3g29q32 ns 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 width8,j ceu(ll :dg 0.20 mm. What is the angular width of the central diffracj8c:l(gu, edltion 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, , ex::ltyrgz4is illuminated by light of 550 nm wavelength. What is x,: :r 4legztythe angular separation between the first two minima on either 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 incident on a single slit 0.75 mm wideozsskt,54n /r-kjbj)to w 3r4 . At what distance 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 zr)-kb44,jkswjtotos /3r 5n 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 t)3 , dnb qgqput4i*n;ihe diffraction pattern is produced on a screen that is 1.5 m from thg iq 3tib*qdp,n4 );une slit. What 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 h/pqm ) 9lm;vonm is incident 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 omq;9/pv o lhm)rder dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width pgwut9( +,/dz sr/rw hb/q,as0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the g/ zbq+shu9/r(,,/as tdwwr pcentral 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 (l.lauc/nau/,eoc++h b qln , second order muoc/+h ln /caq ,u +,lb.eal(naximum 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. b gzhov/qk64s9q pp9 .The angle between the central maximum a9.4op9 q /skg6 vzqbphnd 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 grbf:2 .mda:m hfating that is 75 mm wide and ruled with 5mhab2f: .m d:f0,000 lines. The second-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 of 600 nm wav 7*:xxsz22ssq*uykoa elength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central sa7x2 y :s** okzsuxq2maximum 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 lpp d3 k- h0pq qr 4j5-hbgrxfsk.)7e,ruled on it. What is the angular separation betqsde ,4)krpxl5gpfkrh7 3 q.0bj- h- pween 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 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 spectz c, 6adupt(; *jkrn.zral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the ;.da* 6cu( rnj pktzz,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 gratinj l5ew e,x,uvgaij9u5:e:i1cr -inp3 g. If the first-order maximum occv e31a ,:,j wne j:l-giui5 rp95uexicurs 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 normally on6zs(duw,xv4k te;5 kp a grating. If the third-order maximum of the x uz(vdk kptw;,465 esdiffraction 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 is incident normally o,i, dy nx8yivtmg5v r0;34f 9yd0gppe n a grating. If the third-order maxin,,xpd9v8 g4d;yirf03y0tmp5y egv imum of 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 onkc q+u.ldm 5;oe end by a strand of someone's hair (diameter 0.010 mm). ;+mu. k l5oqdc 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 thickn* mjel f5dgmhe(-m2jg ;a9b4qess of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength ligh f-95gdmm2he lme; 4j(*qbgjat?

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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 illuminafi0o1m1 y u dkndztyr4i7 +bic.3a),ttes a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally o3i)d.yta0m1 n bzyid7ktor,1 c i +4fun 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 = h1 9e0s zpqr q7(qao+g1.30) on a glass lens (n = 1.50) for wavelength 5+p0o9 rqh q1(7aez sqg00 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 unp,7p5(oqojz5ub/xl ts d nv q82olarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its rej7b,2psudqo8tz ov/5(5xnql ferred 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 prefed2cvejxn 2b4 f v/ 6hn7oq;*pgrred 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-s v64 rcncz )a0)c2ehrbn5ad a flat piece of glass at an angle of azea)rn 2c) -csvr6c5hdn 4b0$57.3^{\circ}$. 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 t 6 9alxy+.gsnv )p+elwransmission ax y+p+6nl .lg9 wsa)xeves 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 image reflecte2cg+v .y ve+j6d9eciu2v k 3ald in calm water is completely pouv + e+2ayd6 c932gcveil.jvklarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then agbd(0bv85t59xq+ t w esfy dc74en (kln analyzer. In this process, the intensity of the light transmitted is 8n0cdg759dtft( 4xs( evw5kqyb+e bl 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 reflecting off 8t*;ni t3yorbq- l4r pa piece *8tbotq34- l ; rirnpyof glass of index of refraction 1.48?

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