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

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

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princwv*nom+ 7baw abq/ 9vv/yod35iple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followingqg *z-z.+q ss4e:eluf f+t7t r is a false 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 is attributeda31j gwlj/mo- 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 attributedm)uw4 rl/isds02v 83tiaxpe*jwq86 j 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 differbe ce0orc02jszb0 x b*/(pbr;ent 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 in air, enternv45yil:lv24 a6j gdfs a piece of glassyl5264f :4dl v nvigaj (index 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 traveling in ad-fy8hg2-am*(s dz d5.q;gwq+ga bqdir, enters a piece o bdwq ;f.hdy * m2qg8gsq-(+5ad-azgdf 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 f3n jwyp6 cqd* t6.ov h8(yy(ohor light spreading as it passes through a narrow s66h o o.y3hjw vc(*n(p8yyt dqlit?

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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 su+ q/3p jfg . d(0)b,kshyudrhhch as buildings, whereas light is not noticeably diffracted. Why is hg3j d)(.kphub ,qfrdhy/+s 0 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 liwx6r )c4mze t;ght and dark bands when light passes through two or more crmwt )x;ez46 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 ,* kx39 ywzgqvj4iuu;qu(b( n 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 tw+qq5d7 .ykx 1xan)rr uo light rays striking a screen are in phase w.y+) a x 7kr1xqqrudn5ith 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 aa ,k,pd d *z*b,yencn* o1qb0light travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two bea*ynbzdep n0ab d*cq,1o ,k*, ams 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 am+n.: 8pqtp;,m*bzk eh6x(u8 ronkjqt point P. If the maximum destructive interference is to occur at point P, the two beams mustutkoxjnq;hmbqk8n( pem8p *+,r . z: 6

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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 zhg(51dgmu i)y buhz607db8kin a double-slit experiment, light from each opening)y1u(hzu86b hzdbg 50ikg7md 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 om saflfiz 0kl2)ke( .;f the central bright spot in a double-slit exefal ;2ki0mls fz(k).periment, light from 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 brw m39wv/jf9 nuight spot in a double-slit experiment, ligh /w939j wuvmfnt 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 experimej 37 o-2aqor+ hhtok.8pzs8 itnt, if the separation between the slits decreases, what happens to the distance between the interference fripqz83 -st2krao+oo . 7thi8jhnges?

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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 dista/r.9d9aynxea nce between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separatiord.xana9 e y9/n 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 py(v(7y) f -p1kljt,ivnz ms )rxz+.gsath $P_1$ 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 slitgp9v :z)9xs bg experiment arrives at a point on the screen o :v gpsg)9b9zxne-half wavelength 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 impossible to obtain inter 6jlcyud(khq7r 3.wp6ference fringes in a double-slit experiment if the separation of the slits is less than ty3hqcpl (uw.k6 rd76j he 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 awrj 4z(jo l;*b- 9.xxk9 v)e ksom5pgc double-slit interference pattern using *9kjxj4 .pvzs we5c l-bx9(oor)kg;m 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 light into d/pmj jdi)3) ojh z*u*different coh z3p*)ujd*odji/)jmlors 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 a rainbow to fn 7b 3. zyin61ldlz1)c(+ np arjby,jhorm 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 4002q7o4 zu8dl+b d*prkb 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 gzw9.b-w.gxe slightly longer than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light unea i yego4x9egw+ h:+zbv7-,n dergoes the greatest refraction when passing from air to gla+ eohe+ny a7 9:zgew bvix4,-gss?

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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 undergoenqm*c/ ;zs5w voj5my, s the smallest refraction when passing from air to glass? ms;mv,yon5 w q/z5*cj

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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 para3cq46 ,sszvp lllel sides, at an angle between p3ss4vc,l6q z $0^{\circ}$ 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 she now holds up twln4v(c1t o m 6y p/uqdu:j;c2jo fingers, with a very small gap betwec4 j( puj nlu6:d1vcqt/yo2; men them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increases, wh faggs ,9py4+o9im 0jfat happens to the width of the central mai+a, m9j fygs40o9fgpximum 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 gratings; one has 4000 li mv.e qpts(r vfuabv)og4j946;5j la4nes per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of thepae flojav)4t9u(4.b jvqgv;r4m56 s 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 gratix2/:jce nkapkfz;:qg :mwqia) ,yp* 4ngs with the same slit separation, 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 monochromaticanzk qw:/xgfq4ae*p,2 pmck) j ::yi; 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 caush j gqs6401m9svsh1p +vmi3died 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 lightzqz 6yty 9k7vqkv :8a) waves can interfere constructively or destructively, depending on the6zq t)z k89ak:v7yv qyir 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, wh*z qi:2i tqwmj2 d0:viich is traveling in glass, strikes an air boundary, therev 2tm0iq zi2qw:jd:*i 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 travelin o1qeyfl80gs*ly7 l30tfjt7fr+ka (h g in air, is reflected by a glass surface, 37f+qf0ltal(he yy7koj8 tg0slf 1r* 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 jyn4v6w0zv(z*.bz 5wkx0k9ef x)oc e light. As the film becomes very much thinner9wz6k b w(j50.v ycxo*)nzx kevfe0z4 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 magnec a7 f*r,d vr,-hcs4dcsium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it,sra 4-c cvdd7*fh,c r 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 illuminated from above with moj/3 zgv 55 awakf:y+l(h -wl vdd*uw(qnochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does onguzflw(5d5a3w+ /v* k wjdl(hva qy:-e 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 l cd+mzpp*yrd1x6:.ck z 3nui-wg4o1certain sunglasses can reduce glare from reflecte+l3zck-zgy:o dipdc *11xm pwn64 u.rd 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, the direction of polarization is doii),xeekrut 4 578 ejefined 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 dichr ph24li,e j3xgoic material like a Polaroid fipj g4ex23 ,hillm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each . nv*ahkg2 b/ysl 52ukother, what is the / l u*n.ay 25kv2sbhkgpercentage 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 surfor ;k 34:qbrmvace 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 greatest 8/vom1vym1q9ug4i ,ssumyf v2c +vp5 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 Nb6m0 qpiivb;f**1w w rOT 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 zenith (overhead) thapiz2 yoe,j:o8 n it does toward the 82,:oo pyjzie 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 asv-0ua p3 ,z0y+ ct- pf;lctqh vacuum. It passes into glass, which has an index of refraction of 1.50. Whaa+c-vf0 l -,;sz q0pt3pu cthyt is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes i erc xie3ndol6k4;w;1l:3zvmnto glass, which has an index of refraction of 1.50. w;3ec6lnxok l3r:zed4 1; vmi 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. It passes into glasq/jy0jhz m :diakf407il:,u b s, which has an index of 0 4aji: j:h/,dfzmyuqb 0l ik7refraction 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 ww,6zi9iqyo z jm/vj( hct2+2is 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 5s e+hj dx*tpzy/4/ gk050 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 *zg9nqajo xmfy9z93( 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 mnk/0z+xy6k(y o -msjum apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at6ny - xuk/0moz+k(y js 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 d(uz*5+hixww;i b5isl ouble-slit and the third order bright fringw(i5slz5i ;b+uw hi*xe is seen at an 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 the sepapfoasp8+88r.aw: o7 eg em-icration between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find thfsr7wma o ei+pp:ce 8.8-8 agoe 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 sl ty nq/i4)pbyju69+lry4e h-ef7a u/fjq 36fdit 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 central96 4eahepfq y+/qfy-7ity j)lru/f jb 3n6ud4 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. Monochro,fvc4 gtyw6u 2matic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent inter2y6 f,4cu wtvgference 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 thazq3k,yha;esh hj/), ohm 1d9bt has a slit separation of 30/;k y9omh) , h1,aszehbjh3dq.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 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 7z(u*(yi w3hl rt ibyrt 4qk9(900 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm air9iw( ( zy 3*ryhtuq 9tk(b4lnd 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 lk75x kl:y883fllvv kb ydhq.1kc 52dpight (wavelength 670 nm) i kkl 8y.c3kfvb15yv5l8p:d7k dq 2 hlxs incident 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 .cgul o7ee5);vnb m2fq -qok5single slit of width 0.20 mm. What is the angular width of the central diffracti ;u.7e oqefbmoc5vq kl52n-)gon 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 by light of 550 z8-mr 3yh*ah1hs6c gwnm wavelength. What is the angular separation between the firsta1chz m3 s8-rh* yhwg6 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 incidentm py6 e4,) a9yc9yqipt on a single slit 0.75 mm wide. At what distance from the slit should a screen be 4)qy ,p ype9y6tamci9 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/a.sr/i ujl)fzu s- w9 nm is incident on a slit 0.20 mm wide and the diffraction pa/j./9fuswa) z rsu-ilttern 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 0.300 mm. A spk./ *ykk7fj:fyu3yn observing screen is placed 2.00 m from the slit. Find the position of theps kk3:yyufkfy.j *7/ 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 mm. An observi+yt07r 0vz)l 5nmcqvvsm45v2 b9 uh) tbr+ykang screen is plm+h 59 0+v2y4rryv))7v lznt cts5b0um vkabq aced 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 grating with 7000 lines per centimeter, its 1 wza;7ogsnmyjj s6/-5emh- va 7dt0zsecond order maximum is at a5;jg6-am-myhv/wo1jdsz0t 7s e 7nz$62.4^{\circ}$. 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 centras+jre6s t 4-wel maxim sje-s+ew r64tum 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 gr8zk6toxfu4 s+i t-4df/ bc;+uj:fx uhating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is sbctfu8k4t/ +d+s4h:- of i;f6 juz uxxeen 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 nm3 qltj wab:,fo 4xq54y wavelength produces a first-order maximum 0.35 b3wltf4jqo , yx54qa:0 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 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 r m+-i g6;.vb7qd8 roqhfri:dg i.lm .per centimeter 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 ofgm .rrhqdii;.+fbl6m v q8-iro d:g7. 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 spntf, 8a)yt(dfectral hues by a grating. If the grating has 2000 lines per ce,f t8d(yfnta)ntimeter, at what angle will red 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 nm) is us n4uo/rcx 3;rsed to calibrate a grating. If the first-order maximu4s3ncux / or;rm 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 ,m+14 da k aydieq5+et8mjd/snormally on a grating. If the third-order maximum of the diffracti8s miay etj mae5d4, q/+dkd1+on 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 g kn5dk(x1tcl6rating. If the third-order maxi5x l(dc6tk n1kmum 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 by ay k t gp)f/csu17h4jrwu/rb(*hw:ay7 strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent ighpu */y/ r:ratyk1wwf(cu7sh 7j4b) nterference 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 th/(t+yfz lxij/ickness of this bubble will ensure maximum reflectance of normally incident 530 nm wz /f (t/i+yjlxavelength 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)ru-8c* skpv w1p0yc f7. What is the minimum thickness of film that wiluwc8 p7py0c -*rv1 ksfl 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 nonrefletdjyzun wb;95j7ouc /ao y ( dyu.*54lcting film coating (n = 1.30) on a glass lens (n = 1.50) for w. wj5cya4o 5nl/ udbo;uyz ut9(yd*7j avelength 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 light andf,az q7lsahje+c i+zg 8/ wha-7+(hap the intensity of the tranf+h7ea(jlaw a z h,q+z8/+c 7-piash gsmitted 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 its preferred directiondpo2w;xki m kmp j2k;(w7v 3/a 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 piece of glass at l.tyrw9b3tk++erw9 c. qbk:qan angle of bb:q9wrw93 krl.qe+ cy+k tt.$57.3^{\circ}$. 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 fkf exh *b k8r3ife8embm;.0 3transmission axes of the polarizer and the analyzee3ef3ikf0 8e8bhmm* bxrf.k ;r 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 calm wateed,nb;;dvq: k r is completely polb ;nk qdd,:v;earized?

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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 *w 1l0f ol s7q:ehwb:aanalyzer. In this process, the intensity ofe:q*7s:w0h bo all1w f 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 traveling in vacuum and reflecting of ad3f3 y9;efgf*y/q 46x repls,hd 2lrf a piece of glass of index of a 3q39* l rd4yrfp2xe ldeh ,;6fsgf/yrefraction 1.48?

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