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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 princip y u996aibss45 t:meylle.
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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 statemenr zqjzi ,3z-a9t2k8tb ( pzby,t?

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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:rn alh-bh4o + 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 ligwe6/xe+ p mmp0ht is 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 opticayzeq fa4kwp w/i14:a*gc c) lkn;.; .einj5hyl 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 tzo b d ,-eh-dmr2:n;vqraveling in air, enters mod bqdr:-,v he2zn -;a piece of glass (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 (wavel );yzxr9a.ndmovtqjd2u1 2q a3 zu 0i2ength = 590 nm), originally traveling in air, enters aiq dza2zutv 3mo9j02qu.n2y ; ax1r)d piece 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 narrofk5ksavsm7j ;l(3yf4w slit?f as7( k5kf4y;mlvsj3

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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, wherfm,cbf/-rr2a ghvc8c4x 5 q8 beas light is not noticeably difrc,har8m4bcg cq/f vfx5b- 28fracted. 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*sh p t7pd5lr. light passes through tws h*7dlp.r5p to 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 arerd6p;o/ rf81ppp/todv/a xa5 said to be 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 two light rv3kejs9 ua7z8 ays striking a screen are in phase wv aszk7 e9j83uith 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 arriving at e+-/ 7hxn1 hu)bval25 g g:1vczkmzaapoint P. If the maximum construgbvvam1 lnue z-+h5 21)gcaax:7z hk/ctive 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 f gsufy1aj) ,2ig4a n2arriving at point P. If the maximum destructive int12,4g uaf2yfasg) j inerference 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 g4j- iq6b,bea central bright spot in a double-slit experiment,6,q- 4gabbiej 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 bright spot in a double-nj81kyr4,(,-ron 9mbj a kqkrslit experiment, light from each o nr(,-krb ja 1yqj o8,kr4mn9kpening 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 doux5tuj6 c- zx8)ypr w4wble-slit experimenuwtj)c5w 4p6-8xry xzt, 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 separation between the slits decrg:3g 3a8nz otmeases, what happens to the dis3ong8tz mg :3atance 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 experimjjir( *:wun6o k0 :yzxent, it is observed 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 separu:*kijxnyj6o (rw z: 0ation 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 pux9wh 5 f7d f*tdar,dma6; dh9ath $P_1$ 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 a u* gd,.*uh *uy xfgd:cpoint on the screen one-half wavelength behind the wave from the other slit, which id.*gxdhc:uyu u* f*,gs 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 doublh f3ld9/jmcxiib 6n /)e-slit experiment if the separation of the sl 3 //chl 9)xi6mdfbnijits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference pattern usi dx0i47 2jwvwl w2cm1hng monochromatic 0dw1c x7w2vi 4lm2j whlight 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 ligho ,qiykc95jf t2rrb vqy:j,-1c3cfg+t into different color+oy b,r i1f,v ccqc-fkj j3g9rq:5yt 2s 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 form q: (f vqn9e-jx:vv/cxv /x qr,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 shw 9b:g6 ferqs9 zk;oz/orter 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 wavelengt op,ws*q t.k;zf/4l mlh 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 undergoes the:;u1hbsewt81rpw,6k2bny-l +rl yx r greatest refraction when passing from air to gy1:lsbl;k8wrh,y6 bu2 +1r-n trw epx lass?

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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 refravf/t*68 g0pa dyzopk,ction when passing from air to gl fkzv y8g/ t0p*aop,6dass?

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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 jzjhf pw-2c4tuzz5ryzd 490xa( /6ja parallel sides, at an angctfu0(/ pjzd9-6arjzj54yzx4 zwh2ale 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 she now holds ul1g4yp ehxbsb zv/ 4kf6,3 dw+p two fingers, with a very small gap between them, and looks at the light source, y s 1v 3/ 6pg+dhfwbxb4lz,4ekshe 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,je2u ot6pjk- -3q j6fg if the width of the slit increases, what happens to the width of the central maximum on a scr6j -qegj ko3jtuf2 6p-een?

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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 lines per cm dey,3p8u39 7ec k+mt gksz 3ohand the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratings.ehpg3,9zd y8o k3ekus7t3m+ c

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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 wi8y7 6t.qjfgshzfy( -c rg i+.dth 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 monochromatic light, mak(s gqdfy- 6yij+7ch.g . zftr8e 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 slipfo k x /*c(p)f;g6jckck are caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constructively w r.dub; xul *7.;wkliqj6q2wor destructively, depending on their phase difference. One con7 x i6.q l.l*qdwku;jwurw2;bsequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an5wh h*,*hrgs4uj;iii air boundary, there i,iiw4ir;h5*hu* gs hj s

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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 travel lbu --ea w22z;ls0wqning in air, is reflected by a glass surface, thereleq-sal2w0n2bz-uw ; 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 rzpep/7- ehbu6ft( 2pthe film becomes very much thinner than the wavelength of blue light, the f 2-e 7(bpzhpe/ rt6ufpilm

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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 o,ubg f3m0: pg e4nyk8light in magnesium 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 of refraction of magnesiu gn8,mbp3:o f yuge4k0m 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 plaxn u.hdk59lz5te and illuminated 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 whex5n uldz. 5kh9re 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 resepa u g,cc:1bpr;t9 :+ uy6edfponsible for the fact that certain sunglasses can reduce glare from reflec:ur 9 +by: e epatcc6d;1g,ufpted 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, thevc5o- c5-dwyks5v u/e 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 polarized light in a dichroic mater0 k6 w9v,b-irc-kzimvial like a Polaroid fvir- vkci k6w-9mb0 ,zilm?

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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 oth18bw jo6a* zpher, what is the percentage of the incident lij1h* 8wbazop6 ght 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 sue9;ct: bnj5 varface 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 sunligh.; ws-kdli81bm8dykbrt f5 l;t is greatest 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 i clqfr; l0ehh ;j18z6js 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 2zkz8as 6ya y9z g/h8sbe more blue toward the zenith (overhead) than it /9a8hysz2y kza8zg6s 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 wt*7kb5 c-n2dk mvr+.pojs 5pa vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the l kjw t sk57 orvd.bm*-2p5n+pcight 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 nm6 ,p3 pai *u.dmac0h3:z vgolni7+d tq in a vacuum. It passes into glass, which has an index of nd zp3:iqa6*pdm,g 0oli 7t.v cau+3h refraction of 1.50. 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. Iolls 6,rr 7ayy. bz:mml 2i53rt passes into glass, which has an index of refraction:5rmy2s3r iybl lm6z,ra.7 ol 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 is0)hm d-l8oqst 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 nm5us bz+/e( c/ gd)xhd bzfl79nd 2wn8t 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 tow.i zkqvqwozeo 10v7 ; w/2z t2x1hv3q 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 tx*jiay 6srljt;z -*p:ef:v)ohese slits, and produces a fifth order interference frlp*y6 -rjivsjaz; t)f :* xe:oinge 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 falaael tp0i9t/8er7,fa ls on a double-slit and the third order bright fringe is st, i0t9a78efare p/aleen 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 separation between kf -( w1rv.org5v;wio the two slits is 0.050 mm and the distance from the slits to a skrv;(f.i1vo - w wrg5ocreen 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 sy/xcx c74k :o7yl au*slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. c uyl/c*7x 7 saky:4xo 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 light of wavelength 634 nm falefme(tup5 icli+ 2.0mls on the sml0 5.e +tf(ecum ip2ilits. If there is a screen 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 inc3dk hoq )q9y;kident on a Young's double slit setup that has a slit separation o)kqhd3y ok9;q f 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 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 co 0pd,tp g.s6,+ulscfgntaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the g.tl6,pggfdpcs+u s0 , lass 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 fcz;y3y6 f.;sguh ( )pv)myq ered light (wavelength 670 nm) is incident ff; u)gys;h36.c zv)mypq e(y on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of widd0.wdj.8hxuyd ) txxbd3u7f6 5)f vdtth 0.20 mm. What is the angular width of the central diffraction dd7df vxxf)j3w.5ud hbdutt.0) y 8x6 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 widek.xg 4tvbw *8fu qx(0g, is illuminated by light of 550 nm wavelength. What is the angular separ x(v*kxu g0twqbf.g4 8ation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 mm z ;42tnje 2.)fnmmhaewide. At what distance from the slit should a screen be placed if the second dark fringe in e4enz;maht2 .fjn 2m)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 a9jut w7o0a 6lhs )kn8m;yz5wazi00c cnd the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of th mnaw zuj8s75)z ic0kt9 w;0y6h0lacoe 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 sli50sr .z -fx*2qgtq aic/r5rtr t of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the firs5acz02qtr ixr *. tf-qg/r rs5t 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 0.30pqi *zpf 12*uz0 mm. An observing screzzfi2 u1 p*pq*en 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 grating with 7000 lines per centimeter, its second ocsnoi9 za s*0:k1x op,rder maximum is o:o0zaki9c,s x *np1s at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle between the centrm5x(o6x-wtc - ;)6v o9qili9hcggl bkal maximum and the tmi i9o(6v ;g9x-x o-wl)6bk5glqh ccfourth 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 acoh ro,*cr/c; grating that is 75 mm wide and ruled with 50,000 lines. Tcr o*c/,h;rco he second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light ofnt1ucr 29l)j0g s 4hlj 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction t9j c0 gnsulhrj2 )4l1grating. 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 thv ltvfvr x (6+33vtcnk4(x+bqe angular separation between the second and the third3vxv(xcf6r3+(vq vt + bk 4nlt orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If thejsa:iyudtxsc9 7 9 :)qame1f3 grating has 2000 lines per cent:3qsacyai 9s7 d jexf) ut19:mimeter, 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 used to calibrate a gratin gjj b2y7/z4 l;h3 )t yghx,2ateme6kvg. If the first-order maximuhj4/lj x,;tma 6 )vy7b th2 eg3ge2ykzm 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 on a grating.wtwub my ry,k(* gx5h32*nv-k If the third-order maximum of the diffraction pattern is observe 2-k (gtx*r*y nmwuby,h5 3wkvd 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 no)2m- xd8omkxb rmally on a grating. If the third-order mx -)bmx 2mkd8oaximum 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 lomk; tiq4d e, j11ub.ftng is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewede .;qkuf btjdm1 ,t41i 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 refrfky iji2/9tn1 action of 1.33. What minimum thickness of this bubble will ensure maxim1/i injf92tkyum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film * u9i y:mo/bbx wo;wek(,fpl /( n = 1.33). What is the minimum thickness of film that will give an interference when the light iwf/bx ume9b;w : kiyp(*/l, oos 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 coatinmlmy7og ul r-xsp(:e.0 un5v8g (n = 1.30) on a glass lens (n = 1.50) for wavelenom (ge7 ml5.rul ypn0-x8uvs: gth 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 bqitk7( j7db hfvqh p.c3 /2db(eam of unpolarized light and the intensity of the transmitted light is 1. A second ideal( v7pqhdf.2 hjc(b/b7kt iqd3 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 prefe29qf,2o4r*uyj poj6zc q lt/mrred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a f;qj3u*ayf7ov4e,* zdn(km z8 ojzss/lat piece of glass at an angle of ne,z/q oj *7umka4ozssd8zvj3y*f(; $57.3^{\circ}$. 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 q7b-r wwn a3u+polarizer-analyzer combination. The transmissionb7w+n 3u-rwqa axes 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 whbmk58r/ a-)u- owvp:yim)jhjj. acv2en its image reflected in calm water is o-p8vr/m ya: 2jmi -cjjv).ahk5wu) bcompletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer an6vrzlfzmc +f;/ t pd*7d 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 between lmzfztr+6c7*;fdv/p 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 fes: c;mch60-a *8pr jy;tx 7wpor9iulor light traveling in vacuum and reflecting off a piece of gla0c t68x :r ;w*p-u9p7ysail;ejmcorhss of index of refraction 1.48?

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