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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 princvo *i w*sf adxr,9u.b.pzx8m.iple.
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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 fal v40mmju2u6y lvsh;i.se 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 lighto0a:f1v7w now 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 ofu5ol73i3)tcyug aq y(d cdp,8 light 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 ez 7;k-*qbs igb3zr2t7(cls g 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 (waveljl y ujiw8.:9 hb(ja-wength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction a .lui9j(:wj8whjyb - 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 (waqse)l,d04d6f.aw.bgd h8g8 oip:wd pvelength = 590 nm), originally traveling in air, enters a piece of glass (index of refracgo pwag.,:8q.d4d e dpfdswi)06h bl8 tion 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 respon4+x;y a dda3j irww8c(sible for light spreading as it passes through a narrow sl r; aww+dxy(8 cjaid34it?

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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 lighffe5x r/kytrq 16l.8fvm 3x6bt is not noticeably diffracted. Why is th8f.1t6 6 efq xbv3lrfx5mrky/is?

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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 fo;vuoaazr6*,n n, np6kr alternating light and dark bands when light passes through two or more narrow* au,k;n6aopnv6,n z r 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 qyc hj xs)/t-z,69-)m z)dliw-t9qvme5 jdalbe 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 rays strikabsmh- d;+2aeg t0/iaing a screen are in phase with e0b m; deg sh+/2t-aaaiach 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 q 6ne4hj; as +gaxf*bw 0 (nf)hesk/)hdifferent paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams mh/a4*0+xn;bhqhs)j(wf nksea) f6eg ust

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If thpl 94( 3aslxgte maximum destructive interference is to occur at point P, the two beamsl(3 lg9txasp4 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 centralclf hd6/nvinw;:x s 6. bright spot in a double-slit experiment, light from each opening arrive;wx : .h6in6vs /dlncfs

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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 eitherjtz f: odk6q7ph ;1;l i+q7ebr side of the central bright spot in a double-slit experiment, light from each opening p: bqdj 1f7te 6o7k +i;rh;lqzarrives

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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(o d+jz: jxa74plla v4 spot in a double-slit experl jp4 7(lvo+zaa :x4djiment, 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 sli94f.nd c nso1//9yu3tqqv gwa+dqx. ots decreases, what happens to the distance between the interference fring+.gt.qd fxqoo 4v a9s 3w/uy/nqn1d9ces?

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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 t*ou 0wgs/ra u.hat the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maximawuo s */g.r0au when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light i19bn-38t ,cuhsbbsv 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 experiment l2.hm.kuj a0muco *q ,9hsjp6 arrives at a point on the screen one-half wavelength behind the wave fl*q2.06h.jh k aums9,mocjp u rom 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 interference fringes 3eb5+;a6ap;- f bxi fh dsl;qzin a double-slit experiment if the separation of the slits is less than the wavelength of the lightzslxbd hai;+ ;3q6-5;fbpea f 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-s9p9dfc1e n6pi lit interference pattern using monochromat6cf pd1pn9e9i ic 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 expl mfyt/jhco5-fnm7g 3 g51zs+zains why a prism separates white light into different colors is m/fsh53mjc- 7 g y+5gz1zntof

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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 fo 2vly.7mwxkw:uhz;1g rm 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 400 nm is called-c ,skv1ll-p3b fi7w,) jzz zd

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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 n4pojh m.s x,)sm 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)klj ub u+o)*r 1g4asn passing from air to gla o1as*+)r4)gnlk buj uss?

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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 smalk8s 9uvus h3x3lest refraction when passing from air to glass?vss9 x83u3ukh

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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 incidenaeo 6jj9v)hk- t on a thick glass plate with parallel sides, at an angle6 j v-a)9joekh 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. Icg7 c.a.wt cq +mog88kiy wd:l6ai /:af she now holds up two fingers, with a very small gap between them, and looks at the lii.:g 8wamy/:8lwgi o.q acc+7dak6c t ght 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 diffracup,, gvjavnsu wn9)5) tion experiment, if the width of the slit increases, what happens to the width of the central mav) n5,vgpsw,nuau )9 jximum 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 lines pe0i0cp j2rk 3ep1ku upv(l9n;nr cm and the other one has 6000 lines per cm. Make a statemen(vl j1n;ku cpn 2p090 ui3eprkt 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 sliwq/ui9ksfn3av q4jenzm /4/c( /gr (w t separation, the only difference being that one grating v c/3(eas rjq/w/n w9m fkqz/uin4g4(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 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 caused by j2f qg13i49ojsxqab; 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 intv-c0 do nwyawed5 iv/2w1-2l uerfere constructively or destructively, depending on their iown2/y1dv-c d ue025 w v-alwphase 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, which is travelinkgj6j7ve5gay i 0x -tr(5 e+cjg in glass, strikes an air boundary, therceavg+5r tjejkyj g ( x-76i50e is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a gv1d8eg4azj p7x ab) t1lass surface, there ibjvgadpaz e8 1t14x)7 s

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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 bhb-xu;g0 r7 u;f a1v0n *vkgf2emabf7 ecomes very much thinner th7; ;gbffevhkmau-2ga 70 vbrf1nu*x0 an 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 lightjs nne(tned/hm0fc 8 w/i jq1c +1f.:s in magnesium fluoride, what is the minimum thickness of magnesium f/n1sds8jm t+fc.e1wf0:c/nnj eq i h(luoride 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 aybdgtn: 1cwabp4 1fr9 t i47p1v(r/im flat glass plate and illuminated from above with monochromatic mgtpa4d:v tfp7 11i4cirbyw/9 1rbn(red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible ford3vy53yx( r k.qhwm d8 the fact that certain sunglasses can reduce glare from reflected surfmk3qy5. d3dxw8 h yr(vaces?

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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 u 6xli tw:4*dgakjy s173vv m lze08y;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 material like a *kz.pji 78hjezp k9 p:Polaroid filmpkjk*zz87p.9e h:i pj ?

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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 fth5u-uf6hb ddr8r 0b8degc) (ilms are perpendicular to each other, what is the percentage of the incid t 6d-bde5u hd8g8c(uf)0rrbhent 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 f fmkep2 2 p2hdh8f da)n(ssy)9rom the surface 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 sunl xrecy ,-yx2e(.eo gd,ight 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 is diffraction ta,p-c()j qtvNOT 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 (overh-md+ /)cj la dc,vxod/zr+g/q kspv3;ead) than it does toward the horizon. -z) ;jdx/c oa /+l3vr dd,/pgm vksqc+ 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 passesdqu3tu8e,l5dm l ;u32xvj7ag into glass, which has an index of refraction of 1.50. What is the wavelength of the light ilxq 3j 7g,edv2au5u8 uldm3t;n 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 mtro0p+3/z-c jm f+ftg 3vdt3 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency /j-t3++pt f vomf0zd 33m grtcof 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 aw .x m;zgfl5t))pkb oi:de)*v vacuum. It passes into glass, which has an index of refraction of 1.50. Whak)op: *e ;g )wvfmzxlbd.t)i 5t 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 is ,cr:gja2y /y nfound 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 4 e.h3+5rlqso b( yzvmnm 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 oy tfhn*t3o:em 69b*l 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 ligy)x e.x 1ciw8lht falls on these slits, and produces a fifth order ix y.weic)1 8lxnterference 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 0 g,mocmg w/ qa2s/y.morder bright fringe is seen at an ang am omsq0g/cwmy ,./2gle 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 sepg1+ :kx fmne8h/rm f( w-(dmhearation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order rf(mef hm (dhgm+xw8-:1 n/keand
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, jrt9b1*foo/wa5 k.a d and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen wi. r/*o9da1twok5j a fbll 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 wave 3.yht9:q cq5/bf tdb :bfr9g-(nsen .(d lshhlength 634 nm falls93n5 dy-rbd/ l qsb( fnh:hc:.se.9fgtq bh t( on the slits. 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 incident on a Younol r)5b+d54i2no:p .zalc, 8zdr /z jiwjk0r sg's double slit setup that has a slit separation of 30.0 mm. The resultant bright fri i4sczj z/l5)d2izd:ol,pr.aj n0bwr+ ro5k8 nge 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 700 nm, nk) q0zkbh/up au61t.7 m50hnvwu5v j strikes a plai1m50uz7nn bkq/v6) a .jv hptkh0uu5wn piece of glass 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 consist21n tjntd ja( .ou9r9ring of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick pier.( 1 jto u2dnnaj9r9tce 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 width 0.20 mm. What is the anguf3khw .m(on3elar width of the central 3efnw3mk.h (odiffraction 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 illumi (l95xvnih9sq ;t9eae nated by light of 550 nm wavelength. What is the angular separatiohtqnis v;5exe a9(99ln 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 incide6w(wecvbk- w8nt on a single slit 0.75 mm wide. At what distance from the slit should a scree-v w cb6(8kwwen 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 a) *uoq48pup uk slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. Whk pu8q4*) puuoat 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 slitqqgy-vew ya8 b;g6;/b of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark f;yvw bg bg /8e-yq;qa6ringe 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 slit2i cq3+(kdkir of width 0.300 mm. An observing screen is placed 2.00 m fr3+(q kd r2iikcom 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 wa1vmn w 69d2riith 7000 lines per centimeter, its second order maximia621rdv9 mnwum 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 hz 3.8q em, uuys67w; 6u 9qplk/hlbd kc9pi.ixas 5000 lines per cm. The angle between the central maximum and thp i 9my lb hsu,k /k86q7wu6l.zpq;3ixced9u .e 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 onul,g fw2 a,d)*gklu -c a grating that is 75 mm wide and ruled with 50,000 lines. The 2)wuk- l,glacdf *,ugsecond-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 of 600 nm wavelength produ f qh zay)wih78p0v3/bn6pb:zd1wq1bces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-orderiazq1hw wn:zv dp7/y83bq 1 hpb0)6bf 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 it. What i4mtd(olbnbopcm7 3s;( s 3o.cs 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 ll3omn c7od;3c m4( (bospt.sbight 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 sprean zs:f)( vnb vzhl.z/+d out into spectral hues by a grating. If the grating has 2000 lines per centim)vzbz vh(nl.s /nf: z+eter, 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 calib6ololepd 5,44sf *w7y+usxy e rate a grating. If the first-order maximum occur4p7 *sof+w xl4l5ou6d,e yyses 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 gr6om478mmllzh pah.9,yg bg u, ating. If the third-order maximum of the diffhmb hmguym,ogp l,z4 76.8a l9raction 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 normhm ,*pob ptxqc g1x,ggv3o +7 8ize -u;hx8+arally on a grating. If the third-o*ggo t,;gxbo88ur ze,c7 +1- a+qv3i mhpxphxrder maximum 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 py,j s qm8+7pn:a zz6tis 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 viewepzj+ myz7 s:pnta6,q 8d 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 ini1elfr /e*. 6xemak1gdex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengtel1 1xe 6igkf/ar*m.eh 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). tgs5ev ((. .huv e:yycWhat is the minimum thickness of film that will give an interferenc vut(. .ghe5yvce:s(y e 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 thipo*w0r mp8lq,ckness of a nonreflecting film coating (n = 1.30) on a glass lens (n = r8wp q,p0m*ol 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the i 8r/;ncodgt50 epj:i mntensity of the transmitteg npcji dme/80:t;5ord 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 it g6pp*8mze4.0edv l ols preferred 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 xhc0xs ;iug6 9flat piece of glass at an angle of 6ui 0s h;cxg9x$57.3^{\circ}$. 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 :f8t(n)cc+h*/waurow g w8ij polarizer-analyzer combination. The transmission axes nuo(w*gf whwc8i ja+ )/ tcr:8of 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 mdqq:u6.4q:nx8 nvxaimage reflected in calm water is completely pn4 m.qx 8n6auqv:qx:d olarized?

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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 analyzer. zm)n0m7kg8x2 dcu9 xd 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 the axes of the polarizer and the analyze2m 9k8xdc u0)dm7gnzxr?

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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 andlpc9 ,w: soer9 reflecting off a piece of glass of ir:9pw,c9o sle ndex of refraction 1.48?

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