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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.*j(f qd )ph tsy+jd;q9
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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 c1ri w9ev1haq+lr y;9statement?

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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 attri.da5 h 8jawk: bj 1kghv,aw6q:buted 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 to ;a nbuj7)h4az

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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 enterk9 ymrty,x*jjl o c+l1rqr632s into 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) pq w6 c ic/+g;ym+ir9oydl.t), originally traveling in air, enters a piece of glass (index 9 c+ ;y/6.clyrip)qtm w id+goof refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, entersbgw)n9:a sds+ a piece of n9as:w)+ g dbsglass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes through a yx .b; ;mar:vv0cka2a narrow s mba: .;va a;0kxc2ryvlit?

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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, ji4ipkzh)7w+whereas light is not noticeably diffik7w )j+phz4iracted. 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 ql20y muoi+ cktj 8i4xa4yg*s *55flealternating light and dark bands when light passes through two or more*24ye4llmgs+ i uai5oxqc f*yj0t85k 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 th.px d9zb;ro 1n f l:m)mc rbvu)o*cv/6ey

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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 k( b) le)ckfj*:5z2lh lv/dm ,pcq 8elstriking a screen are in phase withlmd k)kl:b,q2fcehj)plevz cl(85 /* 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 pathdu bm ;(y7snoue08dq+s arriving at point P. If the maximum constructive interference is to occu(u;87sy nm+ ued0qdobr at point 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 di42 tgef+jzpd+vo 4i8 qet 0q6ifferent paths arriving at point P. If the maximum destru 4do tegiqi62tv0z+j8 +4qe fpctive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a do*4/g .bark/q* lkiq gnuble-slit experiment, l.r/igqbn /aklg 4**qkight from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on eithea/howi.6n75g0 v lwyx yf/fr 3r side of the central bright spot in a double-slit experiment, light from each opening arr f/50yylrf i./xgo n 3wv6a7whives

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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 dyw , pu6p4z3cyltf9)double-slit expe93ypuzd 64yt,cf l) pwriment, 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 the6gb u.rd4psgboq e,ot44 /q4i separation between the slits decreases, what happens to the distance between the ir ,/piq g.ugbd44o e4sq6bt4 onterference 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 oo216:wa k7 dnznn-k,a.o atr nbserved that the distance between adjacent maxima on a remote screen is 1.0 cm. What had.z1n6 n r w7at2ko:-n kaaon,ppens 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 l)6o4op i 2goc.cxo 4h6 uva hp3qilo,2ight 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 experimentnhl o9 lmbt4iqi11 l7, arrives at a point on the screen one-half wtn,h91blqi17mo4ll i avelength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be imposf q5m axz;yo9s((jmm 4 ja.4qcsible to obtain interference fringes in a double-slit experiment if the separation of the sljq9q(xmo;a jsacfmz. 454 ym(its is less than the 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 pg/+m(/j u:mmh:emt 8 igwnb6 ml4cx( battern using monochromatic light i um l(img(mbnx+g:h mw:/8b/m4ecj 6ts

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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 yl:7hwwvi k 7e08:tdr a prism separates white light into different colh l7r0vtw eiw: d:y8k7ors 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 all87tl: mkcgq i/ows 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 shorter than-w ;5ugcf-,vv5 oalogke4rl ) 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 longerp 86 ssiv2 bqq/oc g2 r/6esy5(j/tvti 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 undergvzq:qwy3*aavi90 :zu oes the greatest refraction when passing from air to gl*z9:aq0vu vyaz3 i:wqass?

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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 refracog zzei+i (mb; rgd,fq-.8z7 drb.ib-tion when passing from air to glzb idzd.r( i+7.g;-gfbr- ,qzibmoe8 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 inca6wv5/gk:b, q ij5mxq ident on a thick glass plate with parallel sides, at an awimq jv/bk:x 655q,agngle 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. Ioljy6 7,phk3 hf she now holds up two fingers, with a very small gap betweehp6lok7 3,hyjn 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 diffrac-d*d1.vfog ey tion experiment, if the width of the slit increases, what happens to the width of the central maximum on a screen? 1 dy-df.*eogv

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffrac8 j6fnobaet+6tion gratings; one has 4000 lines per cm and the other one has 6000 l+6nae 6jo 8tbfines 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 seit : glvcg,g4 1y8j,igparation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation betweeny8iggc:gvi1 ,l jg 4,t 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 zw2hdyph54 r zjfa .e,m ka:*-slick 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 lighx. ci , xs4datscv*pw+778q :hccq1ldt waves can interfere constructively or destructively, v ctalc s4,+dqq.si: x7 8x7pcwh* dc1depending 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 travelin:b /gncss8g -rg in glass, strikes an air boundary, thercsgr n/b gs-8: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 reflected by a glass sur/( j ;/qd lpw+mt+zxv,)sxkfcface, there l;(qmztkw) j++xvp,x/ f s/cdis

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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 become3q*9yey96iv4vpr f 67f rg9tl6ii axcs very much thinner than the wavele6f9ac76r 6ifq piyri9gvyx9*vl 4te3ngth 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 fluoride, what is the lm y/tct.* wind 3m55;my:vu pminimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for ipm3um5.lyn*dtv :;/tw cym5that 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 above withr.j,tdv0c4i 0h3 mblg monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens wheri vglh.bj04 c,0d3mtre 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 responsiblf27ru)ffol p3 e for the fact that certain sunglasses can reduce glare from reflected surfaces?7l) 2off3rpu f

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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, tpv+l*ynp5+hm itv 8*bhe 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 pogdxyj 8/0c f;n iry7i1larized light in a dichroic material like a Polaroid filcn/x i i8;r7f g0yjy1dm?

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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 49nkcro*pao/)x k.tt6tpl.v e o9j 14qgc5 zm films are perpendicular to each other, what is the percentage of the incident light which will pass the two fi1p a*/v t9clgo5rpq mn z9cko.tkx 6j4o.4et)lms?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from tpxn 4 ul5i*- h,ac3pnfbg/g q/he 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 greate8mwm7 ,jt6qj nst 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 is69csc.+c o+q udh wr6k 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 apb z k7hw(w)m6ypears to be more blue toward the zenith (overhead) than it does toward the kwwm)7 byzh (6horizon. 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 into glass, which has iro)p*9 g o/tue94cqp1kkrj 7an index of refraction of 1.50. What is the wavelength of the light inp g o9*ck/j1irroq 79ptk4e) u 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 r7ekbhes).gmzp dk) (wz 568e, which has an index of refraction of 1.50. What is the frequezee 58 erw)b)hp (k.kgs md6z7ncy 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 into glass, whichsffv 7j q (yl(0mro3*,sep:)mcqyrf 3 has an index of re0s)*y yc33lrq( mofqs(ejf:mfv ,7p rfraction 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 travel 2wz(k f kug2 ;dq8gy,bat $1.96 \times 10^8 \; m/s$ 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 nmq-gmok i i,nxcmd7t:;5 o4x+t in air 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 550 nm in air is found to trav- j/3l u6t/f whtw/j :xy4skaiel 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 aparxel:va *9m ml(t. Monochromatic light falls on these slits, and pm:lv*lm( e ax9roduces a 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 -bhvp9ntu *p-a double-slit and the third order bright fringe is seen at an angle of - hbpnuv*pt- 9$6.5^{\circ}$. 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 5 p)vcp rgv;k4experiment, if the separation between the two slits is 0.050 mm and the distance from the slits5v;grp)k4 cvp 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 experimenvx,r *r2;far nt, 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 fringe from o*nrv,f xr2;ar ne 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 wavelengt-asb1ajm5.c g h 634 nm falls on the slits. If there is a screen 6.0 m amac.s15ga -b jway, 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 slit setup that has up+46w-swq w oa 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 betpw+u4 owqs6w -ween 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;m:omj gwmi7ftx* 8d., strikes a plain piece of glass at an an 8wm.idogt7fmx*; j :mgle 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 consistin4-zpe)kd1qlx -th .zbt gyh- :g of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incidze-g y.4dph--x)th:tk ql z1bent 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 width 0.20 mm. What is - dw-7,n:zlfyru cba.the angular width of the central diffractiond:rba7.w-,flc ny u-z 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 illuminated bfgirypl d1 .98cb3 +riy light of 550 nm wavelength. What is the a.i+p3i fcrlyb98rgd1 ngular 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 singli+th*, :5us /1b2fwgmypic kse slit 0.75 mm wide. At what distan1 i5i kcft/,2*+ ghp bwyusm:sce 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 if7 /f ei)yupp6s incident on a slit 0.20 mm wide and the diffraction patter)pfu7y/if6 pe n is produced on a screen that is 1.5 m from the 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 nm is incident on a slit of width 0.ml2n 60xe19acl ghoa/300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of 90gollnx2a e m/ca1h6 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 0.300 mm. An observin cf((zyd jsid67j/;e jg screen is placed 2.00 m fromd jf /i(ye(sz6 ;jdc7j 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 wu c- xffk0wh*.*o2x fjith 7000 lines per centimeter, its second order maximu ju*hx.0fc* -2xkffowm 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. The angle betwfg62t*cdk: l7y 2ozdf een the central maximum and the fourth order ktcyg* 26:z2d dl7f fomaximum 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 ruled wjci4pfy 4fv 9 5j/0dn7l7h /ubvars9uith 50,04scj4u 5n9/ ph du/j 7v0fyarfivb97l00 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 experimen 3x(a+ zfu5cv8k/ ssint, 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 the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second sou38vx asku+nsz /5f i(crce?

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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 aptuu1 p*2qo g4ngular separation between the second and the third orders on the same side of the central order wh4u1g2ptu p*oqen 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 hues by a grating. If the grating hojlca 7o7c2)v7-tn z * lad kaw9o((wmas 2000 lines per centimeter, at what angle will red light (640 nm) appear in the firv 9 ow*2aca) aoz-7w c7 ltdnkjlm(o(7st 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 jfj;p: z(k+qa calibrate a grating. If the first-order maximum occurs at kz +ajpj;qf:($20.5^{\circ}$, 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 l.tmt.x +uley;0pw 5 g4/8 zvvrx do5k500 nm is incident normally on a grating. If the third-order maximum oxdk..exr 0o4; mwlvtt pg v 85y5/+lzuf 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 is incident normally on a grating. v e; *pp2ir;94aja aagIf the third-order maximuj ia;avp;egr 49a*p2 am 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 fri ;*qmg uslb-.om another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent biq-m su*l.g;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 o -mz7w05n3dva v 9av ,lr)oxksf refraction of 1.33. What minimum thickness of this bubble 0)5vz9w3asv- n 7doxl,mavrk will ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illumi dh30/mky rq9e0 xlbn-nates a soap film ( n = 1.33). What is the minimum thickness of q0ky9 03b lmn/xed h-rfilm that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n y6xe *6 8sovdo amq*- v-hiwr1= 1.30) on a glass lens (n = 1.50) for wavelength 500 *8q-iro*a moxv v ywhe1 6d-s6nm?

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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 and the intef r+ 1)mwrm*qy i5kh9unsity of the transmitte1mrifw9+5y )km rhuq* d light is 1. A second 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 ith bw2xv5r njbtkk.86)s 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 iens7gao8w5, a flat piece of glass at an angle of 58s, eo gniw7a$57.3^{\circ}$. 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 tc65 zw4shnwup-: 1h) 4ulsmtsransmission axes of the polarizer and th6t5-)uwz4scm4sp: hhwu s n1 le 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 repm.. wf vg;1iul-kw 8dge (dy,flected in calm water is completeldi8dg.ly- m f,g .vwuewp;k( 1y 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 then an analyzer. In this procesdggp)r*nlb)- s, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analy )bdgl-n)*g przer?

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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 reflectin;a k5ez2qt0qzq 2dz w(; gstk.g off a piece of gz.(;q edwzz t kskq2 ;2qa5t0glass of index of refraction 1.48?

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