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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 principle.5bxk( y pise(,
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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 s8g)odt0bdb zu;q ,-*dzufh1o tatement?

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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 li ud). r,zw;aoy5u 2aca(,-/y: pnykbjsgu-mfght 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 attributed )me j 9a+z,sdw (.efo+ gmb;wnga;1s fto

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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 opti.ovt rg ro8.age*qg)/cal 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 (wa)vt u k.l/f0ujvelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.5v u kjluf)0./t0), 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 (wavele50j sfwr4nhu uby(bp-286 zyt ngth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), it (6 n-hu4trup02 bfyzjwsb8y5s 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 spread hhq2yr5nny 7;ing as it passes through a narrow 5yhn nr2 7hq;yslit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracte jkv rb4p )ixjrp;,64cd by large objects such as buildings, whereas light is notjrc;pb 6ij 4r), 4xvpk noticeably diffracted. 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 respo5 *j k3)l aoy8kout3kzc: c)7jf:j blwnsible for alternating light and dark bands when light passes through two or more narrow slitjklwy3l)* at5zu)k: b ockoc f7 j:8j3s?

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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 co2mfl fj) ,re6cherent 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 striking a s-wb ukq1ib0xm9vc4e-a k2+ vtcreen are in phase with ea4vuq0-2vbi+c kw 9eakm b-x t1ch 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 (2nn-nts 641x uzraht arriving at point P. If the maximum constructive inte tx24n-tnhs(61zar nurference 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 arriving at poinii s d0sb7 y8wfzrxg 0fs+o7l2cp q,0d) j7y-rt P. If the maximum destructive interference is to occur at point P, the two beams must0js7b08gf,sx rc70-2dyrf) olpqwis 7+iyz d

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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 tqgda6nt p4 ;/in a double-slit experiment, light from/g4 6ndqt;pt a 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 sinrht+y j*-5l rde of the central bright spot in a double-slit experiment, light from each ope*hn- lyjr +tr5ning 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 brighb8rtq6 -kvnlzrc.d42 rd aj j(l;b-s6t spot in a double-slit expes.;jb c-j dt2a8drr4bzkq l-lrn 6(v6riment, 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 b) u5o8m) tjxjd.cs jc:etween the slits decreases, what happens to the distance between the interferendmu8jcc5 s:jjtx )o .)ce 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 observed that the dis-jw0b 0rz n8 l;onnw,ptance between adjacent maxima on a remote screen is 1.0 cm. What happens to the 0w;o0nzlw bnr pj-n8,distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travekcwy4iz5 8io tdh7 2/h.d smeubb*; p zc63d5nls 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 arril;moosho3c ep *hc ;7d e7,hu:ves at a point on the screen one-half wavelength behind the wave from the other slit, which iep oeho7l7;c,shud*h3c :;m os 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 interfere :-km.egk1wa1u 8 bwilnce fringes in a double-slit experiment if the separation of the sa-wui wl.k1me81k g: blits 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-0fqh) +m (bex r3x9ehrslit interference pattern using monochromatic b0fh9 er )3hrex+(m xqlight 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 vt1brv+ym ;dc*n5w(vz wy. u(explains why a prism separates white light into different co*vu y(+v yw b.rvz1m5wn;(cdtlors 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;g d(q4xx/fqbdlu2p 1d.2t kh 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/s/ )nyn d(prcb:gtbxg4 :xan4 lte;5 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength sfa2 n 5+xg6bfqlightly 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 greatest refraction when passing fro7a2:ls vms9l;k/g oly m air to glass?:kgal ls9/ 7lo s2;ymv

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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 passing from air tab8p,vq i7qwi .s/*wjo gq/qj 87,w*w paii.s vblass?

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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 parallel sides, atdng qy/( rk .:0gwogk* an angle between 0r gwgkn qo.:g*k/dy( $0^{\circ}$ 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 murw 8p8et ey: 9:ao9jdistant light source. If she now holds up two fingers, with a very small gap 9 :earwo89jeumt8p y: between 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 incre (l1*ngzsf (qaases, what happens to the width of the cenf1*(l sq (agzntral 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 diffraction gratings; one; 6g natxap:)g has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparinga tn)a:x p;6gg the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only dil3-1 dnqlfg2eala;rw /tl5*b fference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic lq1a23rfd/ *nealbl ;5-lg lw tight, 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 / 3c do3dck k9u-kca2wby 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 lightrqe9vbkzl /-cg ypqf8r*6q 1 o4xk( e- waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomeq/ r*rxg 6cq(9z pvqo l-1y4 ekf8keb-non 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 an airj+gx19y hkp3nr(v2kj boundary, there iv2 yrn9( gj3 kk1+xjhps

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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 travl m2*m;1fy cfceling in air, is reflected by a glass surface, there * m2mlf1cyf ;cis

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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 ligr btr(/7td)mo 8 b+/ m(dezpqqht. As the film becomes very much thinner r)rdm mzdpqt b(/+( /7tb 8qoethan 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 magnesium fluoride, what is the minimum tld+7gapl xfl nn 8-i9lpu nr65jb+.;s hickness 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 magnesium fluoride is intermediate to that of glass and 96df g78b5a-u lnnljxpl+ ps in+r.l; 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 obnev: (xm5b. xn a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red xbv5 .nb:(xme and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglassesqq+k3b .nlmghn3,) hg,y(aw v can reduce glare from reflected surf)hh gq l( qw+,yk3n3vm .ganb,aces?

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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 polarizoivd;iv4n */g lkf;xt3t6cl6 ation 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 g(m(c) -rfrp xin a dichroic material like a Pola-c)( xf (rrpgmroid 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 two Polaroid films are 4 zmwd it *g8rn31 /bc bstcd(lx-l2dss +u57jperpendicular to each other, what is the percent (ilj2us8bsc-d 7r5/ct+zw 13s 4dlmtbgn*dx age 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 fr7mcvwt23u.1yrufei p+* lze - om 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 sunlight is greatest z 5 t2 o37,bxtclbzn*cat

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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 NOT exhibiteda v3z)y,h z-urqdb *b) uzf0,c?

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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 bykdapn3 9)nj587bg yfe more blue toward the zenith (overhead) than it does toward the horizon. T)b 75gadyjpk 3nf9n 8yhis occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which has ak-sici5 9c xm6-c(czs nca+w ,n index o+-iw,cc-a inzc5smk 6 s ccx(9f refraction of 1.50. What 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 into glass, which hasxl cjbb8v c*c- n(3yi to3o/-rd)tdo5 an index of refraction of 1.50. What is the frequency of the light inside the glassoo v 8/o3-(bldnd*t)cx-cyji3tb 5 cr?

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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 glass, -1qstbl (cgeasur9/-)p vwu * which has an index of refraction of 1.50. Whv-p cbeu sq/gu)lr1 *-wat(9s at 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 55ajcf*8/bwl. r 0 nm in vacuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air igd -f-cde 8cu) ;4mkmys 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 foundx 9sk t js+d4 xx)7-0u(djijrj 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. Monow iv75 0bq ru+z0r0vi;e8wy kmchromatic light falls on these slits, and produces a fi;00 q e7biivr5 8mv+0rwkyw zufth 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 na9i:o q51lgia m falls on a double-slit and the third order bright fringe is seen at i :laoaiq g519an 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 separz7. xd,dl)jqh ation between the two slits is 0.050 mm and the distance from the slits to a sj 7 hd.l)x,qzdcreen 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 slit separation is 2.0 mm, and w2hnji9sct.2 awxrh 55 xy+k4two 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 maximum5acw.5xk wnh 9+xhr2yt4j2 is 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+setb0byyio( i)6;- vx 9m-b qpfcmq6 . Monochromatic light of wavelength 634 nm falls on the slits. If thets6 +ibmcy-p;yqqoe 0-i6b f (b9 x)vmre 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 Young's doub bklle i(.1 rf-z(x0q pxri,5jle 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. rfx0pj5e,i (i( lzxrqk.1lb-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 tw 4sa1(bih3k:kbao 41ze+gyqqo 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 glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in t y1kbzaq4 ka :shb1egi (3o4+qhe 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 r8fhe7iq3km.ok 9bcit 9l6;o eed light (wavelength 6ioe78h 9i; f.eom3 bk k9tlc6q70 nm) is 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 single slit of widthf6fzx0d:;nmt-m j ej , 0.20 mm. What is the angular width of tj60f txe njdm;,-z f:mhe central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of 5atxqqa4w a n+c;d6 c7250 nm wavelength. Whaaqqxc7wa6t;2c+ an4 d t is the angular separation 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 wide. At what d jj1uy4unz 091rvw ,jeistance from the slit should a screen be placed if the second dark fringe in the diffraction patteruj91ezy rjn,vju0 4w 1n 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 and the diffra8dk1 z.*k aky6va8laiction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central ma liv 6aka1ykza8*k. d8ximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 58cvj/pq atb9 7ot 01k5w0 nm is incident on a slit of width 0.300 mm. An observing screen is pt 9otc5j7wbk vp10 a/qlaced 2.00 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 mm. onx2n( s*o7tj An observing screen is placed 2.00 m from 2nt7 nx ojs(o*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 gratinhdno 3c8ru *btyptgg hli )4.;(,/bllg with 7000 lines per centimeter, its second order max3bhou(;nb*ptlh/ g g cdr8i4ll.t )y, imum 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 has 5000 lines per cm. The anghner;,cj/26 to g-9lqboi yk:ysb+s ;2)rmwdle between the central maximum and the fourth order maxrtqoy /ib-+y2 lo m;s)s26r ,gnh9kdwbj;ec:imum 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 +si vyf:/oy 7m((*ohtfox2 cy 6zgi9cc ru,7uon a grating that is 75 mm wide and ruled with 50,000 lines. Thecu fr i7soczyto o*c :(/ih (my,+9f76xgy uv2 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 of 600 no)((gwt qnn e( a*j6fm h,pr 52vfnhp6m 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 fro q wjh5hv*n(oen,p(npfm t6fg6a) ( r2m 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 rukxmk 6(f 3py*bled on it. What is the angular separation between the second and the thim3*k(xpk y6b frd 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 the gratr vwtwr(,2x*g -67n-cdwkgi xing has 2000 lines per centimeter, at what angle will red light -w-r *k iwcdntgvgxr2,wx( 67 (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 grating. If the fizly 2mi:b(5u crst-order maximum occurs c5ym zubli:2(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 waverd zzg tac :zj2vp 2(3w7 u .dduo;a9wikw9*:alength 500 nm is incident normally on a grating. If the third- urij wa d wdaz*ku3:(tpz2o d.9v;a:97zcgw 2order 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 grating. Ifvah2;2j4f-a5 z1 sla7 p oixfo the third-order maximum of the diffraction pattern is of-o2;a7o1ha25silx ajp fvz4 bserved 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 enzrsw: spn-mx wh 1;m6 .:ampp3d by a strand of .ma z:3r p1wmmx: ns;w-pps6hsomeone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thickness ojku: 9,nz;lmqwapims9i0 p39f this bubble will ensure , j k9ipzmsn3u99;pila w m:0qmaximum 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 8kmsp1jqj0rbs e;v9/nvr -2a soap film ( n = 1.33). What is the minimum thickness of film that will gibvjjk2 a08sv/;1rrpn eqs9m - ve 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 nonreflecting film coatinl0 7lhj/*f:zlwql,; b6vlkvpg (n = 1.30) on a glass lens (n = 1.50) for wavelength 5 ;fkq*w:,0bh6lv/pl zjv l7ll 00 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 b+u kxmk8l: 503*eqj mx.prmtheam of unpolarized light and the intensity of the transmitted light is 1. A second.x3qmupmj +mt8*0l kxk5 e:rh 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 itsm8vbqo 89yws iqud9pf 91*s6u 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 flat piece of glass at an ang cl+o41gud-mj k;3ddi le of ;dc- ol1ji4mg3 du+ dk$57.3^{\circ}$. 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 throf5 uue)+t 21zpubiei+ ugh a polarizer-analyzer combination. The transmission axes of the polarizer and thfti z+e15)euu+2bup ie 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 imaa437pmy bm i2xge reflected in calm water is completely polarized2p a7m ibm3yx4?

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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 throuph)a); r)uper gh a polarizer and then an analyzer. In this process, the intensity of the) e ;)ahppr)ru 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 li x:r /kdodc 9ddw1(lij+e;n:g ght traveling in vacuum and reflecting off a piece of glass of index of rejl/ diko1e wddr xnd(9 c:g:+;fraction 1.48?

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