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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 princ9jq+l;z2tgg ciple.
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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 falsn oosc(an;:1:kex,foe 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 is18 evcsl2l )ui attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is ykw-u+vv* qzq b6,gd3 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 optscg)1ovgm ikc5 dve:0,v 3*koical 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 ea*e.x vp,pf5dc:(c jml4+vj traveling in air, enters a piece of glass (in 5vjm.,+ clpafx*(e vpcj4de: dex 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 light (wavelength = 590 nm), originally trave5tm/ c iglhz5)ling in air, enters a piece of glass c5 gz)ltmih/5(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 spdfrgqi ) s5+qo vnh1;h501d boreading as it passes through a narrow slgh 1)obqo5d 0+1f;i5d rnhq vsit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffrpkit (/ ze dr*t*ub;5yv.4gr tacted by large objects such as buildings, whereas light is not noticeably diffractz rb (r*.5t ugdk i;4pet*tvy/ed. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands when light fb8,0 .qbs;l mi bkiz)passes through twii k;ms zl.0bq8bfb,) o 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 t s7)(qk+;iq m)qu evxchey

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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 ligo)jilyn3dtkty7i5 / 5ht rays striking a screen are in phase w 3t/ytn57)kyldi5ji oith 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 paths arri 2h.drjw5cdeij(jvpt 0 ,ovag) /j7)lving at point P. If the maximumvd 5 oj)(jt lhw/j27gpe.c0 vrd),iaj constructive interference is to occur 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 different paths arriving at point7 ;) 2;oesekqd z1omdv4/s6fn + atehr P. If the maximum destructive interference is to occur at poi+m6s4r/v oqnf7dze dae12) ;ht o;skent 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;; tn j-egwt.,z 0ipuj of the central bright spot in a double-slit experiment, light from each openinje;0gzwu;injt., p- t g arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot f9dpf h4lm) 4kvvj1kg/k i. .qfn* 2jfin a double-slit experiment, light from each opening arrivmkff4)lf1v d qjpk9v2ik ./h f.ng4* jes

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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-sl0p7h9g7ex f kmit experiment, lekhfg 7m0 9px7ight 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 c)tg(n/vifprdd2 ec +) 4z+frbetween the slits decreases, what happens to the distance betwenrcff drvpi)t d (z4)+g/2 ec+en 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 distanc(os o lr+mmnymjdk/2.j49m2l e between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent ml/+( lokm9ro y2.4 2snjjm mmdaxima 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 pa :3fna9e4cc ovmqkr/ 2th $P_1$ 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 arrives at uw *hne36hq5,bvart h)py16 v a point on the screen one-half wavelength behind the wave from the other slit, which is observed ab63 th)h1r,vwapqe56 n vh u*yt 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 fringes int1+z/x;s o)ec zdlg4r a double-slit experiment if the separation of the slits is less than the waveleds xczl+ 4zr1e/g;)otngth 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 pattern umv kwnk+oze9y t,35 ogek/5,nsin55,nke/gn+otkz39eo, kmw vy g monochromatic 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 )xzsq5 e,x jjlk t2cf, 1-zh)jlight into different colors is2xl5z,hj),jx scq1z) ef kt- j

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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 rainbow to form iswpiepcszy62f.r6;e3m7 r b0u

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

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nmf6/1wx*xcxl glnh 4),koy.n; pu4 gzq 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 7zgz0zr l3giq)bu62 4(kr bp h(50 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 light2sp ad:*q q z2/zdt5vb undergoes the greatest refraction when passing from air to z25 t*za/dd q s2bqpv:glass?

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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 v6*4x,j m1 i57dpdthduo4pdoglh 7 d,uj p4p15xo*6vd4oddmtiass?

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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 incide wy3c9xc sq 3i5mvihks-b (2,gnt on a thick glass plate with parallel sides, at an h59csqy xb3w(,2gk-vi ms ci 3angle 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 s ;brblv bq.*t:wtexljvm) p5e h 3x1-4he now holds up two fingers, with a very small gap between them, and looks at th3rbl.*px-:h l1ex; v)v e45 mbtwtb jqe light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increasepy yr7tz)jq if;p ;2,ts, what happens to the width of the centr,tjt )rpypi qzy2;f 7;al 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 gratin*2imxprt(rocz , g m(1 sr8q1pgs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gr ( *z81, st(x cro12pmgrpqmriatings.

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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 u13sqitn.g*yexl 48wonx 77t separation, the only difference being that one grating has 3 slits and the other 4 slits. If bot 1y ogtx3 78nx*tu.iwqseln74 h gratings are 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 slick are i3e+ehe p .pa5caused 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 mohpe( bi(b dz1tzh 8*a4nochromatic light waves can interfere constructively or destructively, depending on their phase difference. One consequence of this p(4te d a1*hp(8bzzhib henomenon 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 ;iaqyvp9o eosy ys8bx46i10 ,m)t eh9an air boundary, there0myiy)9y6o81;ioes se9 vbt hp q x4,a 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 reflecte:pkn(04d3 yexhto.i 7vxh5vhtc)m z*d by a glass surface, tht 4nkhd 0(x *i.5x ovehvc:3z7tp)yhmere 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 de 8 k9varhvie9mx/40m n9:oo white light. As the film becomes very much thinner than tr/ mh80k ne x9v:v9i94doomeahe 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 mmwk4bmh/ehv0z e u zh5) tjw9s31fa83 agnesium fluoride, 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 o8zehbw34)skm f/1m53t 9u av0hwh e zjf 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 flv-vnf4 9ru -hxat glass plate and illuminated from above with monochromatic xv-v9r4 fhun- 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 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 t a-1z6n7q 00o+ (s dtrahmsefthat certain sunglasses can reduce glare from reflected surfq010szr fhtds+oa- t67ma(ne aces?

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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 directi*lbcf-6y7l0hsx1 f 5uwk h;qoon 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 dichroic ma2z-8xvsipj3 (y9 fuqzterial like a Polaroiiqfj3pz v-8x (uy9zs 2d 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 w;+g izit)w;z of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the two fili zitg;zw)+w; ms?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surfabv,lle s- fg19ce 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 greateh17wj(,g:dd/ z - : kh 6ep+ fvojkqsam4frsm7st 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 NOT eo/ mo6ogpe8 ht3lw,t-xhibited?

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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 moee vwz vhv-2qt+*17 rwre blue toward the zenith (overhead) than vq zvh-tw712erve+w*it 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 pd- a *ux:)l,kh *tc0end,c xdinto glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glk-x d* ,tl,h0eu:cpdca)n*xd ass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength;ndg4 o6xduy2 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.x62o; ug n4ddy50. 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.f .xmc q7qx8feon :*6,9s0 nvu n8s0l hhu7ucw It passes into glass, which has anq96h7ewnh ,n nfm.quf*cx xvu:l 70 uo0sc8s8 index of 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 nmbckvzx.i*;pcw h: 9/g -0/qyamvr1kk( a8qkr in vacuum 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 554-5p9uhgt6oumpj qr10 nm 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 travel at ;c-.y3 hybzya$1.96 \times 10^8 \; m/s$ 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. Monochromatic light falls on these slits, anc 4h;ufy *)uwqd produces a fifth order interference fringe at an angle of w*y )c;4uufhq$32.3^{\circ}$. 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 7kt)a5hk632s ec7qjrs/ ocg0ifqk4 p nm falls on a double-slit and the third order bright fringe is seen at an angles5 73cqr/oapi)4 ktjk es7q6 hfgk20c 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 /vltzg4y*k wn9:v gi3mq8v2c separation between the two slits is 0.:wg4* 9m2 3v clvtkqgn zy/vi8050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the s d)0qvqji wq82lit 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 one pattern first coincqdiq )2 8jwqv0ide 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.c/qqel9g ae h-ka5w6 (050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a sc5he/q wkcea6( 9g-aqlreen 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 i+ca7c e h*qr.ee2ef- 6 ,w oi8a-ypxkis 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 and the zeroth-order breia2 ophe*r 8xe k-w+ y7qc ,ia-.cfe6ight 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, stri0s;xetvz8sh 5 kes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at ;e s5thzx0v s8480 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)*nrj+aa)8 xco i89/uqg +at /hnvyf p5 and red light (wavelength 670 nm) is incident on a thick piece of 8g//crhnjpua) y8 *9o qn5a+ axitf+vglass 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 the angular b) t) :t) zzv5e)fhicjwidth of the central diffraction peak?ct)5j)b hzvt e z)i)f:

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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 m7 dh14nru-, +mcervj0-hud m c+nc5qs m wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first vr-chum7+d1cj0 sen,dc un-h mq 4+5 rtwo 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 68 9jj3lh,wgp :d7 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe i9dghj,:wl 3j pn 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 2a t1fcebmys3 :mt)-,pvh j5zthe diffraction pattern is produced on a screen that is 1.5 m from t:tm)f abyj ep3mh 25vtz1,sc -he 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 0.30)gh mik2mf(*mjqowsh u -n459 0 mm. An observing screen is placed 2.00 m from the slit. Find the pmw) * sqnuj(i9mh-m2 kf4gho5 osition of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a *kmf9cj+u1new) qaq ; slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maximumewa+j;u* )9nqq1mcfk .

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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 witb+jq88/xx jb,pt 4iirh 7000 lines per centimeter, its second order jjxxtb+ ,/qprii88 4b maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The abdpgx y-7u,l2ngle between the central maximumd7-gb,u2 lyx p 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 wideej56b,kl*qm+ecp1zkp gvd /;0qw v;o and ruled with 50,000 lines. The second-order maximum is seecoj*ve + k; 6;mkpe/d,lq5gq zw p0bv1n 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 erqp s2m -ec33nm wavelength produces a first-order maximum 0.350 mm from the centracpme3rq se3 2-l 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 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/jasih+ tj) cnhn 6r+4 ruled on it. What is the angular separation between 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 wavele6s/a rn+4)c+tjhj hin ngth 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 spect: e.z/nzc7 lzyral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red l :nz.7e zlz/ycight (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 calibrgo-7 lg6m*gwo9 f3rw sate a grating. If the first-order maximgg6 m793sowf*w l- ogrum occurs 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 wavelkh+3l7ltx ox +l )an3zength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern ist o +l+ hnlaxlk3z)x37 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. dd otg 4zxu+21bsmpvm/ oy gd chby(q10 0-8r6 If the third-order maximum of the diffractiog b hd64p/0dq to-d urz+ 0v21 cmsgmy(o8ybx1n 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:k1or/s67j w/ q pk2g;mmeb av separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). Homsjq/vbk 61 k7oeg;pwr:m/2aw 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 t* 6( ir8fyk-dvghq cf6hickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lig d(ifcgfk y6vhq6-r8*ht?

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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 h .f cpnsa ;su/r3)7tna soap film ( n = 1.33). What is the minimum thickness of us p3/ ;h. 7af)trcsnnfilm 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 = 1.30) 9 gvnp/0,ckzwon a glass lens (n = 1c9/ k0znv,g wp.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is pz c4*8yxhijdurs-jht1y ), y8laced in a beam of unpolarized light and the intensity of the transmitted light is 1,48-zs)dtycu yhryi8j 1xh* j. 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 its preferred direction rotd2ob8sngh e-9 gh3qy6ated $30^{\circ}$ 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 f* 8tl 8seck,ddlat piece of glass at an angle of s ekc,dlt* 88d$57.3^{\circ}$. 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 throb(d;y ujr g17kugh a polarizer-analyzer combination. The transmission axes of the du7gj( yb; 1rkpolarizer 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 ic:zlp 6 7u*jwt)6 7wuyykso0 hmage reflected in calm water is completely polarisk7706l p6t) :y wwujz*choyuzed?

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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 po om)9: oavsa2z+fe dp8larizer and then an analyzer. In this process, the inteo2ma +8edfspv9 )oz:ansity 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 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 traescvxyzd-:eji ;):5 gveling in vacuum and reflecting off a piece of glass of index of refraction)xcesi:z5;ve- :gj dy 1.48?

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