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

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

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's principle. k;+x1urf6 fum.d 7eso
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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 sta 0/ry pt:lckzb 9/e0ywtement?

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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 attre,5+ atfg4atn ibuted 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 n:1 co)(y6uptd67gwp z olawo1 g m*o-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 differm)n(r2 pu6xi lent optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), orig, d5 0psgvk, psx,2-ajjy,mnd inally traveling in air, enters a piece of glass (index of refraction 1.50,sm 0ys, pnx-dpkj 25,,agd vj), 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 (wavelengpk;why) nl x jg(q4t98th = 590 nm), originally traveling in air, enters a piece tnw9qxpj hg )y84lk(;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 spreadiw) fzom5:qm9+zdf5t nng as it passes through a narrow slit?ofz9m )5mf5+dn twqz :

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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 obj*i lj l8 x9fqa-eov g/yb0;dypc2zjgdh z 3(4,ects such as buildings, whereas light is not noticeably diffracted. W g(gz4zj h/yadi0;2d9e- voqb,lp8 lx* y 3jcfhy 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 reoz d8ym):yha kij,6qk 91 s.hqsponsible for alternating light and dark bands when light passh8) y hqijk.yq9 6d km,:o1aszes through two 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 said 7a ;;y:uh e 1q:7ttbrx*agt wxto 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 str,dx.h tsh5qjlcms 6q 1nind++n6oi ,6iking a screen are in phase with eacdi+j.ql6dq 5,t im6h +osc6sn xnnh1, h 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 poi9ij do f8l d,9,2wa7vgkug 3want P. If the ma2u7d3g9aljaw,f 9wo,gik vd8 ximum constructive 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 arriving at pointn*sc mjahkr7+gi/9bgfi3l 8m3w2 l 4a P. If the maximum destructive interference is4 ila/chf3 3ar 78inkg+l29jgs*bmm w 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 centrali/q6: edr ywc+ bright spot in a double-slit exce6ywiq r:+d /periment, 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 doubc9 lif9ywz+(dle-slit experiment, light from each f +(cy9zi wld9opening 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 ekrd0tice- s+q; c8/e aither side of the central bright spot in a double-slit experiment, light from/e q8-de+ iac; srt0kc

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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 d)zscvrc 4nc0p3 tmtl)i ff2 8z5 +:looecreases, what happens to thel:3+))topsoi4 cr5nc2z fz tl8m0 cvf distance 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 experimc+dg/h/ya2y;o dp/mu ent, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the dist /2mu/a d/dpoh +y;cgyance 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 trave6vt6rlep u3vk l86n-fls 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 arrives vvcdw7 q n,8m1*hld*btxnk*/ at a point on the scree*m n/xdld7wb,1n8v*hk q tc*vn 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 imposqyz 2h9+sa4xj sible to obtain interference fringes in a double-slit experiment if the separation of yjhx+a942s zq the slits 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 betweergia- to1,.fen adjacent maxima in a double-slit interference pattern using monochromatic light 1ar-,eft.o ig 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 pri 8e .ccu5uo p8a,)sqsnsm separates white light into different colo8scce 8a) 5 opqn.u,surs 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 rainbowjno3a*t2e :y x 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 400 nm is call+ymbc gc/,lr/fo 5dq9 ed

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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 nm o7:irc pxleh 4/e/fg ;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 grlj )7ix l2bgz5*)m2yn9. roku bk qaw1eatest refraction when passing from air to glaskb )o l1u7r 2g9 w)5k.yi*q2bnaxzjlms?

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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 refraoanqcb799oob j, 2 +vzction when passing from air to ojoz cob9nb9v+ 72aq,glass?

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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 p)tz.*dfb r+pzndvz3 tr- c0p n3xwe06 5o t*nalate with parallel sides, at an a o btvz6da t)r*.0nr*- xnz0dzp w3e nfp+3c5tngle 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. q;7w mjmd*yj,If she now holds up two fingers, with a very smallq,;7jmyjw* m d gap 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 th u1z8du7 jo5mo1sn 2y.7pnwvee width of the slit increases, what happens to the width of the central maximum on a sep7w71jv 25u ony.n8mz dosu1creen?

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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 and the other oa(,qvi )rtm7;6h wvr -m/z sdbne has 6000 lines per cm. Make a statement comparing the dispersion of tzm/h im)rasr; (t6b7dqv wv-,he 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 sli+oqq6rfy156 s b1sgk/hw z2ny t 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, make a s6sybg1rqs hy n+kzf6 25 wq1o/tatement 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 reflec 606i) fom2mh.op b)lrd sfhf,tion 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 constryml9tofa(c pj )h.n 7vvm k;8;uctively or destructively, depending on their phasa7ct y h;;v8) kp9onm lf.mv(je 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 tra(1; 7yb q 2x1jimhmxmaveling in glass, strikes an air boundary, there ixb1imq ;m myah1x(j 27s

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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 yqex0*i- y bb/ v+j/wva glass surface, there/ e+xj*0iy/wqv- byvb 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. v 9zxr9:o eg:d3yyro, As the film becomes very much thinner than the wavelength of brzv:,gdyxr 3:yo 9o9elue 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 ma4;trbb ;e.b8ojc 9ea4y )l ajtgnesium fluoride, what is the minimum thickness of mag )a;9btlb;e8jb et.cy4o4jranesium 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 a flatj:crg cu 94u7t 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 observe at th4c7:u9tj urc ge 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 y7 dr:1vtw4 vdxqz4h1the fact that certain sunglasses can reduce glare from r1x :4q7z4v1v dydhtwreflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polmo 3w wr5mln:.8tq r4yarization 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 material l(2x ,6 hmc* utnovaq,oike a Polaroid filx2tm(ho *u6qav, cn,o m?

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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 0oglb-gbgf chh96 *vpao,w8 ixm2x-5a 5ji f;are perpendicular to each other, wa-i0*bm2xh bxj pg v fg ,5869hog5af w;ocli-hat is the percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of a lake c r/m,g:mo yrb 8oe0.ez5mxwv- qq1/o

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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 g07fcptk9et -x/e6vxo reatest 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 diffractpcmb(0xu djqx *ay18 *ion 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 app7 voo04ef +etc6 frbe9ears to be more blue toward the zenith (overhead) than it does toward the horizon. This occuefcfe bev90 6to7 o+r4rs 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 ag.o6 lk.vf,hi vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength kghi f,.6olv. 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 int. q fo9m:hao)no glass, which has an index of refraction of 1.50. What is the frequency of the light insid:.9om o fhn)qae the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, wh3ju*,eeoay t z/ 5kg-fich has an index of refraction of 1.50. Wh3ka e/u-gyt,oze fj5*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 550 nm in vacuum is found to,p ij.p (yl-sfnk*+ kv 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 travep, hvl9 0av)mih8jrn) l 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 e5 s3iscd-r1e 550 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 8 qrur.dqha,co *(8)hyja+s g light falls on these slits, and produces a fifth order (+ 8s8g yo.*radhc urqh)q, jainterference 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 anc 1t*s(/la z7zd ,oipcd the third order bright fringe is st c*i7( s /zdo1,azlpceen 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 expz4z 3 ;lqdjsu9eriment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m;zdlsu3 49q zj, 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 separad w*hpa(h-uu rgy *v)2tion is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminhd uyr)w( *hgv*ua2 p-ate 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 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 apars d7s;xq6tud: j3c ) ki9br8pmt. Monochromatic light of wavelength 634 nm falls on the sbsrc3:ik dsudj7; x 9tpm 86q)lits. 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 doubk asl3co-7d p9pz wz9+zia9du0c 4+p06vg bzole slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm 0d3c-zp6 w agpp0izu9+94loadcozb+ s z9 k 7von 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 wavelength5q (oss8i4: qdk9l2o qi)tcvhs, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incl 5s(i8qt9idkcs:q o vh2qo )4idence 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 (wavelength 480 nm) anng:)jb n 8vlz5d red light (wavelength 670 nm) jnn ) l:bvgz58is 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 width 0.20 mm. Wvd hsfctzvy)l6ng1- 6 8d0 n3jhat is the angular width of thetzvvddn 8 hcjf1lgn3ys60 ) -6 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 0.050w qgtn+g 9liq;a2k/4m mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between t9mq+ i2a /l;4 nwkgqgthe 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 r ,h i62kl b9sj8ooih86gb dt9slit 0.75 mm wide. At what distance from the slit should a sc2s b9oir 6 8 8kbihjt9oh,ldg6reen 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 inc9cby si w.g 8vv(xmw(/ident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?.b/ 8(vcwxigy( 9swm v

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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 incid4 dsvtcf8w y 2r0yv+o,ent on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of tdr+twf8,0v4 2s oyvyc he 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. Appy/e, c)kzn;4/kbk 22xg2 z7f qa rsyn observing screen is placed 2.4; pz,7knqzk 2af gcsy/2peb2yxk/) r00 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 cen1w-es( phj , /4zu/g2z cgkci r3a:ssbtimeter, its second order mau si(g rhe zkj/3bp:4c,w/ sg cz2sa-1ximum 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 h*b eec;zry9k2 as 5000 lines per cm. The angle between the central maximu e2; kz9bce*rym and the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating tha5ch )lkk).zoqu0 xj6mt is 75 mm wide and ruled with 50,000 lines. jk.ck5 u6h)m) q o0zxlThe 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 nm wavelength produc11c ioxr j04ites 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 ft4i1x o c01rjirom 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. W+j*6 sau ha- v7odv4ik1gi+*vhq y x1ohat is the angular separation between the s 1q1 a 6x 7ovd-+hj sov+iiy*v*hu4kagecond and the third 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 gr3,rlw6 mt+9em6 qdl4,oq2 +l c-cbqi.svh qemating. If the grating has 2000 lines per centc3 qm l2ed6ceq+l.o+tsrb, 964m v,mil-whqqimeter, 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 grating. If thejfbhp i (i :c,0dy;/hm first-order maximu pbfj/,iih;yh(:m0dc m 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 57uq*(i;u3 5brvhwou y00 nm is incident normally on a grating. If the third uqu io7r5(h;v3 wby*u-order 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 normal fi7 **zga ms4j6-rsnvly on a grating. If the third-* *6fj-rgv z7s imns4aorder 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 is separated from another glass plat m,d7rza0 /.p0l/l1 at,z:ngs t hl:vgorhuq 1e at one end by a 1g olhmndr0 /0 tth: .l ,lvugpz /sa:1arzq,7strand of someone'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 refractioz q*nnt7jgj ) kxy89s z+6*crtn of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavel jzysctktg 6x*z n)j78q*+n9rength 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). What is theu eg.m 0ax,t q0y)p2 i jm2qq42ak/dli minimum thickness of film that will give an interference when the light is incident normally on imkumq,g0 / ix 2 t.ej)l2yad2aqqp40it?

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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 nv: dpdmasyskdt161-s hp+ u*2onreflecting film coating (n = 1.30) on a glass lens (n = 1.5k 1+:p12ahysud tpm *sv d6d-s0) 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 intensii4w( 03 egyznbf09 +b(j e.9eiio,mn7dylvz h ty of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotenfe(obn ,94 3y9bviy0z7w 0h e+img.dzjil (ated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred directxgr8 /g+3aksq ion 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 stro9 c4 3 we1gehs zj10z+wv0viyikes a flat piece of glass at an angle of 43w0y seh 1jzwo90v1zg+ icve $57.3^{\circ}$. 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 i/jxvp tdg;*.9 h/xizpolarizer-analyzer combination. The transmission axes of the pol /ivi.xhp9t/ d*jgzx ;arizer 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 i/w++m1jpq ffd-3e1fm( pvta3w1 b p vis the Moon when its image reflected in calm water is com+1ve/-tm1mip pqjwa3 1(vbf f fd 3+pwpletely 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 th cd- ,nqd t9puf3:n* /i.yq 3xzfyq5lnrough a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduceu 3yxqpqdl35n,.:z ytqi c /* fdnnf-9d 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 travelxn u40-ozrl2da5 b8xx ng0j;q ing in vacuum and reflecting off a piece of glas l8x ;oxangnx2-j05d4qrb0 uzs of index of refraction 1.48?

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