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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 princy.) br(2o mmpsqffie f33k37liple.
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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 statemet)jcqbr h )z6,h )jaxo)ff7g)uw6)bent?

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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 attribu y,nzh,0o chfzrpr8 92.*aec ckd j8-xted 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 ibuu1nr: au 06gergxbyxjx,947 ( x-y qs 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 int/j/ fqbn/w,hh ds y7;no 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 traveling ,zck(9d l,htr2uaei l, ,drm sk9 b4a2uf6/chin air, enters a piece of glass (index of refraction z c(h4rahufm,lkt2e/,r9bk,2 96du,l sdica 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 mrbc7zfz w 8 ;is8i6*tr(ow9ynm), originally traveling in air, enters a piece of glass (index of ref8f sc76izit;9 o(y z 8wrbr*wmraction 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 spreadin x :xx7.gs+9 fnzs cx/gipkv8,g as it passes through a narrow nfx8:v/ xx sgkgx +,csz ip79.slit?

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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 is ox1kd 9vged* nbh;91n2lr;(: oqugol not noticeably diffrax d noh:nlq21vdl*r ;1o9 g(gu9ob; ekcted. 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 altpy6rg79j cy0 gernating light and dark bands when light passes through two or more narro76 9cgyy0gjrp w 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 theyd1k3 fia jv1 .41 9(riynwvbuu*qscw;

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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 when93sa-,q( u4ubxtu qwh 4mz5hs/c b(a/ms;ily we say that two light rays striking a screen are in phase with each oth -azsbmuum3sc x4 y/l (9w5/qbt4hi, qu h(s;aer?

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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 lightvbfb ,:to9q+s travel different paths arriving at point P. If the maximum constructive interference is to occur at pobt: o,v9f+qs bint 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 l n oj,be/s8 ojbq02(u(up k)gjight travel different paths arriving at point P. If the maximum destructive interference ispb2qon 80g u,ubjsj/((jeo k ) 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 tq* u9 cf(zihcj*04era double-slit experimjh* r0itfc*9equ4 z(c ent, light 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 either side of the central b+ f5mcl5od bqkn9aq8q6se2j ;right spot in a double-slit experiment, light fr 55lfqqnmeqo 89+6s;c2jkab dom each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a double- yobu2e(3+ct bslit expe+e (ybcut2o3 briment, 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 the sepafy) nluz o3w. g)x;9iyration between the slits decreases, what happens to the distance between the interference fringes?uy)gl9z o3xy ;fn .i)w

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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 bethrj +b qx-p ,l(/i5tskween adjacent maxima 5ql/r+kx-j, pb is h(ton a remote screen is 1.0 cm. What happens 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 ligh) nf6fbsst n6k:m /m3ct 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 ex 05jof w9k(mai-t et/vperiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which mt kef(oatwjiv-/ 5 09is 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 fringes in a double-slit c ,,gmga;5aqnexperiment if the separation g;n acag5m,,q of the slits 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 df,su*u 0l6n ,jodkq fv5 ql:3mouble-slit interference pattern using monochrom5km v3fld*osf,l6qj, 0uq :n uatic 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 intocviyjiht8:3h8bd bs: 7ko/gk *ds(5n different colors ishg8ks(yc8 tosvi n d* :bhkjb3/:57id

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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 formih( 1 8hg ezp6ukxga h86ov-g/ 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 slig p(g +soyl/t5gz8svj6htly 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 nua7pby+v k p9;m 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 bp3 x7 fqby06gekne9, undergoes the greatest refraction when passing from air to gl6en b97xgfqyb, 0k3epass?

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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 pa q u7no1j)sn5tchpy:3. (vtlz9 fmev4.qx)sk ssing from air to 3cutj nt))5vnqy.9z so 1 ehmx:kv7qpf(l4s.glass?

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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 glasmenm*p* +jz -vs plate with parallel sides, at an angle betwee-*mve+ nmz *pjn $0^{\circ}$ 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. o v2h0e n(sak, If she now holds up two fingers, with a very small gap betweek 20,asn(hov en 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 diffractionn3*idue kpy:m1w;:f fuhtol 5;7 gsb) experiment, if the width of the slit increases, what happens to the width of the central maximum on a sc p otkuwd b5:ly3s;e*;h7uign)mf:f 1reen?

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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;1 (cs27i,bsnlzoqe 2b one has 4000 lines per cm and the other one has 6000 lines per cm. Make a sta2sq7( lc2z ibsboen1 ,tement 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 on ;c.jmzr2a4 /r pbt1bcly 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 ligh mcj1c/4bprrt. a 2b;zt, 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 cause-oh6pc.p(aky ,nli),fv uid( d by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfereh5 d;7(z(kmfhcr6 sdp8wt6ou ,9 nzgp constructively or destructively, depending on their phase difference. One consequence of this phenou6c7r(odp hg8s fmw (z9 65;pk, ztdhnmenon 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,qtw7m u( hbq;nn*h*8v strikes an air boundary, there i 8btq*unh*h7mnw (;qvs

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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,zs n3kx 9qu/k a glass surface, ther93xu,ksk/nzq e 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 wh(qug4t 6u2:xz tge4j fite light. As the film becomes very much thinner than the wavelength of blj 4tuzetq ufx(g :26g4ue 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 fluoridr(d/l9 * jgxtzamqd sr,:9qa.e, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for thatd :gl qm(z9 dtra/a9,s*rxq.j 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 glas 32/uc:9sx(hegdgpwbzx.+1+ dpt fhlped 6t*s plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of :b*ge1dd(cpe/ .pt62xs z p9tghdxh +fu + w3lred and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses can reducaig b,/rt2.bpe glare fr r2ba pg,./bitom reflected 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,o x(dmdw2+-oi:q)2gwvhn 0hq the 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 polanpegz /vosk3h 0qszl037o3 : yrized light in a dichroic material like a Polar /lvkz:3s0 o0h 7s3g3pnyqzoeoid 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 axeszg0 ,qze w6 chd-gz,i- of two Polaroid films are perpendicular to each other, whw,zi0,qzz dh geg6--c at is the percentage of the 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 surface of a lv( :rt5re a/leake

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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 greatesr 5f s;f:cc,eq ;bgy(rt 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 followin ga1 nv4h1)5v pqjy)x g.p6eplg is 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 dd3kc3 o xp(u*to be more blue toward the zenith (overhead) than it dx oc3*d3(kd upoes 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 int6 pvac3hk 5s-c+2 .knqez qml3y.6ygp o glass, which has an index of refraction of 1.50. What is the wavelength mlekc32qh k q.-6zpy5a+3s yn6gpc .vof 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 ilxjiln* -(tg okgv*b)s+n*p(0bq nr )n a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the glassn)l(i-g*jbkv0+r()b* q n pg no*lsxt?

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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)(;rj ovqj h :bxc6r,s vacuum. It passes into glass, which has anc;(j 6,orshvb:jx r q) 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 nm in vacuum isu hwzo pce .hq83p-9j* 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 travel ati u0ht7yxd.hl-kzsx :49odwkng77 d( $1.96 \times 10^8 \; m/s$ 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 3dhksg(7gq6p :(pgg8lj wh0o 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. Monochromatic light falls on thes p;9: tts gwl,9 7zmj +tqj8zwuut1ku2e slits, and produces a ;z19t72wu jtsugl98 qkztwp:,+m tju 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 an:dqf .erq 6.oqnwj .*xtkw+vwv 9n(f3d the third order bright fringe is seen at an ang *v qvw:(.n6.njr x oewfkt. f+9w3qqdle 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, wlrff)0p5k n g vi,.ubce6m3 (if the separation between the two slits is 0.050 mm and the distance from the slits to a s b(rfmk,p 3lng6c5vw)iu.e0 fcreen 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 slid7y 8edix7jh5t separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. ijy78xh5d7 de 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 0.050 mm apart. xplyxj-ky951 id )s5sMonochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjace pl s91k)i-yxd 55syjxnt 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 k).-ortitg4 7v -x-fw+t o.5t o3 ,tukpmyp yoslit 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-xf)ot-y rp-tv3ik5o m t.+o ty,ukw4opg t7. 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, strikes a +-gvos* bdjb4plain piece of gla-v g+j*b b4osdss 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) and red lck34x9dxm4jlight (wavelength 670 nm) is incident on a thick piece 3 cl4jdm94x xkof 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 n (0) .xw):qixqfe9mfu phq noz0jfg,8*p:q pon a single slit of width 0.20 mm. What is the angular width of onm z, fuqx:eq8i0jq)q0 :9h)( f*ppwx. fpgnthe 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 0.05za2ddv+yg88ton a / 2o0 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on eit2n+dgovtzy8a 8/2 aod her 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 ; xrr,0 rtil+22dsd dta single slit 0.75 mm wide. At what distance from the slit should xs0ddri; 2,tt+rd 2rl 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 is incident on v7.f)ovcfs8q5wqg;+kg k st6a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m +qf c.s gqvgs5;t6o8 )k kwv7ffrom 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 0.300 mm. An observ.youe 6:vujr-h: d7 szing screen is placed 2.00 m from the slit. Find the position of t:-z.ou7ud 6 r sh:ejyvhe 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 58a+o ;oaczi7* 3zll*fj0 nm is incident on a slit of width 0.300 mm. An observing*3 coz7zola ;fil *+ja screen 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 gratig4lfz 9uloj ..ng with 7000 lines per centimeter, its second ordeu zjo.l.94lf gr 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 h 3q+cley)zt4 has 5000 lines per cm. The angle between the central maximum and htzy+l43e)q cthe 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 91k zukz uncegm)m .ul:v+wca)vy.9+ on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order gv+c)k9w.v: kc m z 9 )u1y+u.azulnemmaximum 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 experim dof1nxo-*vdpc*-fi- 1h (gunent, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximofh(f*-nd n-1cgup*vid 1o- xum 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 ruled on in2p0n k9elac1t. 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 wavelengk c1npa0l9e2nth 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 spectramc8nrf x ia b4mtyj.9 /wk-r57l hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in thbc rnxf8y47r .9kmt5jia/-mwe 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 gr:ci2q(o5jy: vh r 1twnk60h hp5odo,u ating. If the first-order maxim5u,v ow2jhti kdn:5qoh1 6:c h0y(rpo um 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 wavelength 500 nm is incident normally ab9xqvlbeo jl ;cth 3f6 bi4c.9+5eu ;on a grating. If the third-order maximum of the di;o63bl lxfc u9b.v9thb5j; aqe4+ci effraction 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. wx9c3w ag;h7*g 1saih If the third-order maxim1;wiag*sxa hwc3h9 g7um 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 one 3z3y*f ,apw noend by a strand of someone's hair (diameter 0.010 mm). w3yf,zapo3 *n 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 min680camirj u:himum thickness of this bubble will ensure maximum reflectanchc06u irja8 :me of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). Whaj)oxycv4f( fs (r16;pl w1qtet is the minimo; 1c (j 6ptfvefrwl1( 4xsq)yum thickness of film 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 e7 cze376g8/qm 1 a tulkfhn(xof a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengt6kl e7m38f c 1 n7th/u(zeagxqh 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 placed in a beam of unpolarized light0kb q-, ij9zf1 yr(xy y)nsbr)2 bg+ql and the intensity of the transmitted light is 1. A second ideal polari s)r)jiyygq( 20bxrq1 z+, bb9klfn -yzer 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 7vmu hyqhh(l;z) a3c7dxg 9+ tdirection 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 lig.rogvb9e:ys0-,e1 d 6oasa fxht in air strikes a flat piece of glass at an angle of oa,0 bvoe -.f asg6d xry19e:s$57.3^{\circ}$. 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-i+0n yplqg2 vy c2up(7analyzer combination. The transmission axes of the polarizer and thyu qc2y(il+pn0v 2g7pe 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 cn f2aacmwi zz5:c6+s.5px s;aalm water is completely polar2: fcain+;sm.a55z wzacs p6x ized?

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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 andyi0qjee jf; r9q9 ,5cp then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the inte0jqy ,r9;efcji5p9eq nsity 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 n+:whtmmk :e*uqk i+d+ceh, 5 for light traveling in vacuum and reflecting off a piece of glass of index of re5m : w+t:q +kk+*cenuei,dhmhfraction 1.48?

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