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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 princyf11r-( aq5pd bbpzp 0iple.
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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 fals1:6vfg hhvcy)9, mazse 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 lighk xyr j.3sgv7 1-g9wsot is 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 aode, camx1,v)ttributed 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 densir23di hxt6cjifa *7r)ty,

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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 (wave 1,w 5q4lkevzylength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), i qewv,4z 1ykl5ts 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 traveld0lv otc+v.ss: +e8twing in air, enters a pie+s :w o8dc vtsevlt.0+ce of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes through a rx akno3 i82,o :fio3nnarrow slo38n3f koa2x,oin ir: it?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large jnbf254 c6wui +t hn8cwx6mf 1objects such as buildings, whereas light is not noticeably diffracted. Why is 5fw 8h+nbi1f2 4w6ju cmtxn6c 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 alternat zqp :9j3wj*sning light and dark bands when light passes through two or more narrow slwj* zs:3npqj9 its?

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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 vq*7c ul i::9nvgnr*vbe coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that,qz)mqph87 kwnp09 vw two light rays striking a screen are in phase with each other?7k qw,z qvhwp 9nmp)08

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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 poida yc qtmw0 yfv3*/,ila:et5 )nt P. If the maximum constructive interfe i:tyaya3df ,cm* /)w5tqv0elrence 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 / an wg ;bglg4;9z+hdllight travel different paths arriving at point P. If the maximumagz/9+;nld wlgbh4; g destructive 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 double-slic- crh4xw:5 zit experiment, light from each opening cc4-:whz5x riarrives

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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 th fdj*g0 2rdh5:h x+vmee central bright spot in a double-slit experiment, light from0gh 2m*r d+jvf:h5xed 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 iudedoiiohvez t( ya47/+) :n-n a double-slit experiment, light f) -ed+7ueihao: t vo zy4/i(dnrom

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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 experimenefpcj3y+8,sl. k;oa 7p6ssixt, if the separation between the slits decreases, what happens to sy,psa.eckjf +s i3l6 ;o7p x8the 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 4dj :zw.0rkko angosg99e* x1observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separ0o njadg41kg s9w* : kz.xeo9ration 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 path wf:wos-6ax/m$P_1$ 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 of0j psw:6bam x) a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the oxj 60)amw:bpsther 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 impos)d 8( ws +7+cv zrk9l-wtyzufnsible to obtain interference fringes in a double-slit experiment if the separation cuw-+)zvkytl8 (fz ndr +w 9s7of 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 arz/(oglcml,vz87we :djacent maxima in a double-slit interference pattern using mow,(zo/l87zg:evmr l cnochromatic 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 sepag0v hj7qw;-i-. 5kryp wk 7foerates white light into different color - 7hw.vrpk- wgeyk05oq; fj7is is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows 0lymhf/h tpyb:wbw8sh-v(p g+d2ov94 ;2pdda 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 40 e;o s8vx2k/ye0 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 longec.n,w6 tf:*cqf4q zcer 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 undergoes the greatest refraction when /ez 7lhpbrx 4 5v.mv:lpassing from air to glv 7zlevx4m lp:5b. /hrass?

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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 pavfjyw/66/j vmssing from air to glass?/yj6 mjw6fv v/

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with paralle gf-fx4. sdyzhemq.)8 l sides, at an 4gdfeq -zmf)8.xh. y sangle 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 disrtw 3p4vvlc, jak7 87byx3( bstant light source. If she now holds up two fingers, with a very small gap between them, and looks at the 3y38jb,7 s bcvpw4tx aklrv7(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 diffli6kb ;gs4vswvt7l-vu 4 g2 .traction experiment, if the width of the slit increases, what hab27.ggv u6 tt4 v ;llvsk4i-wsppens to the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffractio+t xb6p t.y.f5sm;)e+ hevhnbn gratings; one has 4000 lines per cm and the other one ha+ pb;evs t6nb ) mf.e+.xhyht5s 6000 lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separaht3 8zz:fic o4tion, 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 separatiotzh4f8z3i :c on 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 rpdb*a0q5-yqh eflection 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 l unswpu+ cw db,9z x96dj3(bb*ight waves can interfere constructively or destructively, depending on their phase difference. One consequence of sdwbbc9d,bj 6wnup*(9 3 x z+uthis 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, whi:l ja;6vp,fljt;a nj*ch is traveling in glass, strikes an air boundary, there j:j6va ,fnjl* lp;;t ais

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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 b 6ru46a, bcpain air, is reflected by a glass surface6bb4rap6 ac ,u, there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very mvl6:iy4s.s/ )e(4 k6mnj ryn h zodmg9uch thinner)drm4 :smo/yz6kve(n4l ihg n9.6 yjs than the wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in mj*p( dju/va.y5enh xffl+/(z agnesium fluoride, what is the minimum thickness of magnesium f(lpy*ffj /z dun h5v(/+j x.ealuoride coating that must be applied to a glass 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 glass plate and illuminateds*bkml7n p/ylx v,k gp*:3hp 6 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 the lens whep:k3**nvy,xb hk6ms p/ gpl7 lre 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 reduce hlz1wjl/l ( h)glare from reflected surfacewjlhl1/ (hl)z s?

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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 direction o gba :;ppth/0tf 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 dichro4s27-sx dj oqtic material like a Polaroidd7tso42j -x qs 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 gkvg0j :xac.:-dsf2vtwo Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the twofvgs-g kcjx: 2da:0.v 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 surfaxic,,ck /xh) nce 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 greatesqm9 ujx lpwa410u7 k7 q7pbh6e*hfsp+ t 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 followvg;/olj tx )i+nd )/lning 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 to be more blue toward the z9 /cagqa:hae 1f-)bn+ mj6tiienith (overhead) than it does towarb 9 : /agciea+1jtmqfhni)a6- d 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 9nqhdfr 5ojr*;2j (na nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength ofd jjrn;oh fr(q 9*an52 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 wavelengthkkqa+ ; u :+sgjy(()(h5dn-plxmlfm v 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frj-f5+npkuhs(ly (m kla; +xvd(g:m) qequency 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 i kq4iog5/d.h -taxl:5k 7sfgd n a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in gdoix5q fl4as7dk-:5k / tgh.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 foun + if2pqw72iq1iq ,lrrd 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 a n2l1sns8m i)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 *g x6asn0wqib.i-yvc zw3) :lskq6)ea3ij z0air 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 gaa8i:+5xlgk 3rt-pnj 72o rron these slits, and produces a fifth:onr r 83tl7kg+x 2iargp-j a5 order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third order brighhy 8l/bk e/ttc0j3n ;gt fringe is seen at 3;80lhy j/bnteg/ t kcan angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if tc +,wkt/v, hxaojky.1i5uq9 ccv3r 4qhe separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing 4quikc5 ,+oxwqkcc9 .3/ t1hv a vyjr,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 slit separation is 2.0 mm, and two wavelength u + dg2vq0:+thrtd7mss, 750 nm and 900 nm, illuminate the slits. A screen is placevt:+2d0dhqg u7t msr+ d 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. Monochromatic lz 0nsg/z-m.n e6v2i kjight of wavelength 634 nm falls on the slits. If there is a s62 s-vnnjzm .kez/i0gcreen 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 is incident on a Young's doubs p)-c/c(gsdusxi ,b- le 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 xi(c ,s g-/dpsubsc) -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 tw +tlz p1k0p+3xca;bloo wavelengths, 480 nm and 700 nm, strikes a plain piece of glass03l kptpzb+c xloa1;+ 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 lixno/+ k ja.8hdght (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick pie. /ndox8a hkj+ce 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 sing(ajy(2g;* fzj7 s/dvg0yy dvn le slit of width 0.20 mm. What is the angular width of the central diffraction pen2s ya;fd( yjvd (zg v0*j7/gyak?

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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 by light of 550 nm wavelenun3* kg7r lbe*gth. What is the angular separation between the first two minima on either side of the central maxim*ub rn*ge7l3kum?

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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. onq6)4pd0q/l ssv7saoc ,lr875 mm wide. 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 qp)4no7rolva ql6ss8, s0c/dcenter of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the diffractio2kf r.2 j4j8ggup5u1sk1 pt)p8 nf tkzn pattern is produced on a screen that is 1.5 m from the slit. What is the g z8kpuut)s 1ffk r2nk4pgj5t 18 j2.pwidth 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 ohwvojv4-f:v .96-u n0b hxofcf width 0.300 mm. An observing screen is placed 2 n6f0hvh-wojo:-v cfb .u 4x9v.00 m from the slit. Find the position 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 slit of width 0.300 mmjxjmm va ,52a2v.6 ax8+jitci. An observing screen is placed 2.00 m from the slit. Find the width of the central maximum.iaaxt28cjm. x+jmavj 256vi ,

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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 lgpope9 bw++,ev j q t,d.)g/erines per centimeter, its second order maximum is at)e+gt o j9e/qdwrp+ , ,ve.gbp $62.4^{\circ}$. 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 between the co:ziij--jy,dhm g f( 1entral maximum and the fourth omogjfiy-(id,-: z 1hjrder 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 96x(qhyvovp* grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen axv9oph (yq6v*t $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength producesfhv7g ippwcp:d9 xx491 qa.j7 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 xdpgjpf9 xw :74haviq.p197cgrating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. What is the ac9+df bnl+k u 1t/gxj3z 6;pvbngular separation between the second and the third orders on the same side of the central order when the grating is illuminated with 1zu bbg ;+jftp3kv96 lcx/n+da 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 sp4v+7ntd ostt4t.t7t hectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will re7tt4t +4dtt 7tho .svnd light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm4fy )aig ;*spg) is used to calibrate a grating. If the first-order maximum occursia4gysg);f p* 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 o;:iwr)e1yx;tum kt j03 lk8jxq jn-q:f wavelength 500 nm is incident normally on a grating. If the third-ox;j83yuwj0r e:tit qmlj;k ) qk:n-1 xrder maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a gratic dn ql83j.4ezl8 aequ.lg +w7ng. If the third-order maximu leq7.gwuc.da q4z8+3l lenj 8m 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 end b (x:fezhh;udpw +;:c by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewedwhd u(e:b+c:; ;xp fzh 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 thi fd jyz4 a3xg nu:k55l.upo+2ackness of this bubble will ensure maximum reflectance of normally incident 530 nmpol nx+:.dg auyja34 25 z5ufk 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 soapwd jpy333kgs)m7sit5 film ( n = 1.33). What is the minimum thickness of film that will give an interfeptw 3kim7d5yj s )33sgrence 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 (nci 4whk/ ny*5+6xxf sg = 1.30) on a glass lens (n = 1.50) for wavelength 500 ni /6 45gcnx+kwh*xyf sm?

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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 intensit)xg:v(wk n h(jy of the transmitted light is 1. A second ideal ponxv:( g(hwk )jlarizer 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 dire3z )rbr 5w0y 7kns)k )qioinucl1v3a*ction 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 a flat piej hnrd23:0 20my glfzfce of glass at an angle of ljfnd 2:0m r2hyz0fg3 $57.3^{\circ}$. 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 combinat3ygx nj(v; xf)ion. The transmission a g ;fny(3xvx)jxes 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 tn ;tt h0tzcy+jxi* j2:r-b/wimage reflected in calm water is completelyct2 :/tjxrwhz- 0;ynt bt*+j i 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 passba8g.7r,jhde es through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle r e dj7g8.hb,abetween 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 vacuu0qx;s, rmzdd(m and reflecting off a piece of glass of index of refraction 1.,dzm0qs ; xd(r48?

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