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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 princijy x303x2cu jfazi 41f4wjuf6ple.
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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 fals7(ito 1kug s co032dh r(llfw-e 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 att xprcg.hda7u( j7x 4nf-- qj2hributed 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 attrya/q6g 3ytx,h1 a 6cye f4p5kgibuted to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different optical de1spe,fyw0v +ensity,

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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 = 5u5k ; s pwg0te5pl.vt f69vq7d90 nm), originally traveling in air, enters a piece of .d9vt qst56feglp0k5v; 7 puwglass (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 air, entel)c e/2rc.h mnrs a piece of glass (index of refraction 1.5c)h/2 .rm ecnl0), 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 passe(d7e.a ,rrvq es through a narrow slitr, 7d.(qareev ?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffraczjx3 ghqk (3,qted by large objects such as buildings, whereas light is not noticeably diffracted. Why is th3xz(h,k q3 qgjis?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is resp*.qgmuow p2e1n;1 tr gonsible for alternating light and dark bands when light passes through two t.ggm;o 1qe1*2pwru n 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 are said3o9 wke8f5z.afxb,wfg7 1/cmrt txd , 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 rays striking a screen are in phase wpjjd 7,ib4r6 -ulqsyd* qmz6 :ith each oths-r:7jbl6 ijq 6,*dmqu4yzd per?

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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 pnz 6pjx98e/qt aths arriving at point P. If the maximum constructive interference is to occur at point P, the 89q/j 6nezpx ttwo 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 t vp /kf.idb()b(4chis u,n 5dlravel different paths arriving at point P. If the maximum destructive interference is to occur at point P, the twod nb)dh pv.i5skic(ub 4(l/,f beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright4w vtgb96a2am spot in a double-slit experiment, light from each opening arrive4t6aw 2bv 9gams

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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 s/ deh 0ict1 ()j6xvfj4kg ef) hv:3vwapot in a double-slit experiment, light from each opening ar61()jvwjv d4:f3ce )vtxf0eig/ahh k rives

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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 o8i6t+7 d,woib sjbai-n either side of the central bright spot in a double-slit experid 6jsa-wbbt+, 8 ioi7iment, 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 slitz mm6q0d r5hk4 experiment, if the separation between the slits decreases, what happens to the distance between the interfer64hzm 05rkdmqence 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 distance 5v6d7vuyk1n b between adjacent maxima7vvbu5 6 yndk1 on a remote screen is 1.0 cm. What happens to the 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 travron:ppm8; 4ow*1 lbp tels 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 g3dg.k u.ore m08cy4v of a Young's double slit experiment arrives at a point on the .cevo8 d.y4g3mur0g k screen one-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 obtd(x5a+qhs g q*ain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelenghdsaq+g 5xq *(th 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 doublt8og-l0t6om uxc5r5 nc+/ jnte-slit interference pattern usinglxto5 5jm/n+tcun co6 tr 80-g 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 differes/y2zzob+ a .mnt colors bomz2./y s +zais

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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 tu vys1 .j:.fik/r )vqhk4 go0a(o*dpbo 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 4x*ua:esn 5jg1 g y 991pj6uftw;kr+i x00 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 75ens/5 ivyu.*p+ c ms 1qgbghu3h:l: c(0 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 from air .m e3* h 4lbtr(9 5evpt+ecdvwto gclwe(mh *4vp3e5tt 9+b.rdev 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 refraction wvo5758reg /s u/cla2rf jdgl/hen passing from air to glo 8gardf / rvcjgel 2su//557lass?

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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 zt d1z 8p91ta ef:uaue9ufo*:thick glass plate with parallel sides, at an angle bdt:pzu f9u1z*1t8efu a o9a:eetween $0^{\circ}$ 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 twlerb/tyym:0s 3urq(yvs 32n .sx 2bf.o fingers, with a very small gap between them, and l2s slq vs0um bt2ybrey. /xry:n .33f(ooks 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 widthxw xu0kzy7 m.m v)6/vnld9h a7 of the slit increases, what happens to the wiukx709vx /n6.yv )h 7d azwmlmdth of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffractionqayl-fkg5(7i g) l4j kw ja-5p)f +fge gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement ckg+-elf5a gw)l jp7 q 5g-)ka(f fy4ijomparing 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 separat86;u va -fpj0q(hpuwsion, the only difference being that one grating has -8pp uqawuf0hv s j6;(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 cw;5o xa.hdka. aused 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 ligh5m 0rdg-mcx17z)2cdjl e j a7i9keo /7iciux+t waves can interfere constructively or destructively, depen)5gd 0rj7cmecloi97dxuki jm+/1ix-a 7cze2ding on their 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, which is traveling in glass, strikesb2 mrbpxz*yg-295 pxk an air boundary, there b-pp 2rb 9mx25*ykxgz 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 yzil)i7z2;er2 n/nh d,x td+qis traveling in air, is reflected by a glass surface, tid2;2dn i+7qn tx, )lzhy/ rzehere 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 thea1w wu /wap+s;hpt1 .v53z tiz film becomes very much thinner than the wavelength of blue light, thuzza5vsw ipt 1.wa+ t 1w/;3phe 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 79 dz+lu/asdq1q-lvqlight in magnesium fluoride, what is the minimum ta+ 9zd1slq-q/q 7dvl uhickness 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 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 b h evgzzdnkz ;.rwvk k3491eji0e,*7a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observz d.z4*j0g ir; h9eweb,nv3kkz 71kvee 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 sung s*qm:j2*ja2kia o mz(lasses can reduce glare from reflect aojjis(m kz22:*m* aqed 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 directiou82 z( buz(2xlm *der3j ma4xbn 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 n 6h*6t7cjbkadlc2gm :juk6; eh+os/a dichroic material like a Polau6cnla d/:6eks+ oc7 6mkgh* 2t bjhj;roid 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 tvw:2pbpv)p(ou2 u (eperpendicular to each other, what is the percentage of the incident light which will pass the t)t :uw2p (be upo2(vvpwo 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 surface of a lyi/s+see9fm v c;y :6cake

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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 s6,c 0)e6ytm wnad4ppat

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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 followingvssour301;ks 3n 2 rut is diffraction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more bg5h r7rbx ykdms k;/5.lue toward the zenith (overhead) than it does toxbh 57m k/r;sryg5k .dward 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 7 msmrt.6 n0bcjlb12cqni-y7 of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What i 2ln6b01r 7 ib-y.ctq7jm smncs 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 aqf ; (o3q hf6/ cph2peod.4hcnm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the lig (q ch/d;c hfpofe2hoq.3p46aht 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 vac;g 9 ca;w lr;vig5.:ywlr xsh5d7:lpsuum. It passes into glass, which has an index of refracti9 : 7ldsprgw w5a s5r.;;hic:;lgxvy lon 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 is fp4gvjpjz5 d1a-w ij: 8ound 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 is found to tra-zr3k83ku0nu q qezro5;- plyvel 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 .8i xp;(dy: tkne:saq550 nm in 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 mm apart. Monochromatic liz4)w(erd.p/8nrh p amofpsur,lp l+4d,v 0t+ ght falls on these slits, and produces a fifth order inte(,n0 ht olmr+). za4drupwde pv+fprps4,8 l /rference 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 nnab yiy(k,84ec p 4e*and the third order bright frin, nc*eayn pi4(8yb4e kge 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 separation betweeik9 9qb o0kwvfp85v*hjqz9x ar5gv6- n the two slits is 0bk vwq5 85jrfzv0ko9gxpq9-*6va9h i .050 mm and the distance from the slits to a screen 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, andm9 3ag;(k3ol9xcyki f 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 will a bright fringe fromi (;fkxaym cl33 9okg9 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. Monochromatw- knz k39fam;ic light of wavelength 634 nm falls on the slits. wm kzn ;afk-39 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 Young's double sl.fnd8wj ;yo6 5q uwfx3it setup that has a slit separationq ofn wwjdf5y;u3.x68 of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order 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, 9k4rbu2fg ;gk5yu l: jstrikes a plain piece y r4kugfbjg : u;l92k5of 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 consisting of blue light ( qgsy .t;raa.5wavelength 480 nm) and red light (wavelength 670 nm) is incident.a t5sygq;.ra 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 looh5gh-t- mz8ohvu0 i;9zm4j g1g;t a single slit of width 0.20 mm. What is the angular width of th-;zmol45uht ho- 0m9 v th8g1go;gzije 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 illumin3ul1eo5tirv +n iu-+w fk- v5qated by light of 550 nm wavelength. uvn1ltfu qi -+ke5wori+53 v- What 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 isdgxn po(v t/4( incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fri/ odt(p(g4v nxnge 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 slit 0.20 mm wide and the diff fgmib-)f) 4 .zir3y2dw 5dkh rtmn-v7raction pattern is produced on a screen that is 1.5 m from the slit. Whafitrbzi)-7rk wh g2f5ydm -.4)m n d3vt 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. An observirdn 79zvmi* px41r5 vqon-v(hng screen is placed 2.00 m from the slit. Find thn*rv v1xm5 9id vp(q4o-hnz7re 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 58jgy,iiu*nu n9y4s-3yx mp ,k (0 nm is incident on a slit of width 0.300 mm. An observing screen is plyn*- imy3(u,x,ygpsk9u ji 4 naced 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 secoy pgj3g:hid7 ;nd order maximum is at7dh 3 gj;gyi:p $62.4^{\circ}$. 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 y.l i5 zq2qp49o*e hphcm. The angle between the central maximum and y p9eiq h5l4qop2z*h.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 grating that is 75 mm widemv:bda0bp9 hignv1:qp9 8pbf d j)c4. and ruled with 50,000 lines. The second-order maximum is seen atdp0gdbcpap4mv1 j:bq:i vb 98 . fn)9h $32.5^{\circ}$. 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 naxoe/g*y k4ejnt7ro5q4 eg4 (m 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 grating. What is the wavelength of the light from the second source?4t g4j( ay ex7egr/5on4q*eok

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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 6l6 m rvrk8..m3rg+pfin+i mf+j t: 7re000 lines 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 illuminatpigkrm6vfm:.l+m 3 j .r8i7t+ r +ernfed 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 bylp q a,ao 5m+26qfrka6 a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nma5aoqq, 6l+rm6 kp2 fa) 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 (632.8l,o1s)q+ 6u4iv 6ki-bv+m9mweodr vp nm) is used to calibrate a grating. If the first-order maximum occud+io br 1u6il eqpow6mk+v,svm)-v49 rs 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 normal,rtsi-u4r g 9uly on a grating. If the third-order maximum of the diffractiorr4guiu st9, -n 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 wavg v:fbm,0 :etz4mtjzps vb.95elength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction patterb0v,mtbpzs.9: z 5me4vj: t fgn 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 ;d m )3sqre9ryfrom another glass plate at one end by a strand of someone'sqmdyr r93); es 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. Wha05 hulc k *te*etn/3lkt minimum thickness of this bubble will ensure maximum reflectanc3l5/hc et u0kk**tln ee 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 d ne*1akybko xz7u:03film ( n = 1.33). What is the minimum thickness of film that will give an iozy0x7e knd 3ku *ab:1nterference 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 nonrz +hporn5pl e:ay/c/hz1 a+0 heflecting film coating (n = 1.30) on a glass hol1e n5c/rz+aph/ph+a:0zylens (n = 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 lkwj r a7gp*9u)pp8;qa ight and the intensity of the transmitted light iaq9r w8gpp jp);*ka7u s 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 preferrez l8e.v qm4c3bj ao.2id 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 lightrh4 9,p 8 qz 9bqn8 m cp6l2f*ftd4v4*ndpvtkm in air strikes a flat piece of glass at an angle of , pzh8fkl2r8 pvptb 4*m n*dq4ctdnq 9 694vmf$57.3^{\circ}$. 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 p99;exwuvo eb:(tv o9u assed through a polarizer-analyzer combination. The transmission axes of the pe:o;exow9ub t9(v uv9olarizer 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 image reflected in calm q*c b mg1v1hwp/rl -6 ;fwxbjx)(/mxqwater is completel;1/jq wl(wq*p g bmx1vmx)f/crh- x b6y 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 and t():unypb l8us(.c r /6a lwy-lepa 7onhen an analyzer. In this process, the intensity of the light tranbu-)an/lp.ao(eys: 86c7 (wrllypn usmitted 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 and0::emf(t neu w reflecting off a piece of glass w e:unem0(:tf of index of refraction 1.48?

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