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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 princ7zxzln :gd; lh h.w9)fiple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi 9ho97ixhxl; 4vyz s7nng is a false 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 l0lx1h:*co)* rhiqi g vu9ze u7ight 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 attrxq fq5nf t- 85d :a3a(jlov5b v1cg9leibuted 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 optic qsbkl3dn+a i/ c7u3a(al 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 = 590nu94 gg9l u.,biql bftn9o*)x nm), originally traveling in air, enters a piece of glass (inng*llt9u .x )4g 9in9,bfubqodex 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 v(nc8g2ki4 jq(v-wzs = 590 nm), originally traveling in air, enters a piece of glass (index of refractiqwj g ((48i vsnvczk-2on 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it payvd.cw9b0f nb)jfami :/a5(w/loz l0 sses through a narrow c:vl0/ld mb0ya59). / w jaffnwio(bzslit?

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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 b5o 82utjvs0)ctioj ;3 6e12eqpsl ou, whereas light is not noticeabs 2luvtsijqo5t83j;u ) 6op1bece2o0ly 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 responsible for alternating9h 3rc o/:,yqe,7 nufj;sbhad light and dark bands when light passes through two or more narrow sre y/;9sj3n:h,dhacf7u q , bolits?

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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 coherenthy8 * axef2ka cd6ay/ )r98sai 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 wee- yfgopoh, bq .(uv-0 say that two light rays striking a screen are in phase with,p (uhe qog 0o-y-.bvf each other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light ti zgx+w xpa)w90mxfk8 1( ;qohravel different paths arriving at point P. If the maximum constructive interference is to occur a1x zpgwxk+8fa0; iw)omxh9 q(t 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-/a5 puxgokzfu )lc 9/0;9aiav l0 nng9i;ymz at point P. If the maximum destructive interference is to occur at point P, the two beams mu0;c9;y9/unap) mxk /5f glizv za9g nl0 uoia-st

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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 in a doubagrxu-gp y ks3n7:9-yle-slit experiment, lighyu n7x :ggyr-pk3s9-at 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 txvoyqunrmlpm79* l+c5 v 28j0 he central bright spot in a double-slit experiment, lighm 08ll cmv jy+px*uv297noqr5t from each opening 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 maximamjockfb498-p55 1,s yjz9vfi+ d qmd q on either side of the central bright spot in a double-slit experiment, ligpm, j+k9y- fj 58bz9fc 54qoqidms1 dvht 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,ov,xoz( nypeoy 20 a+n5s1y t experiment, if the separation between the slits decreases, what happens t tnex,zo02( v ,so1oy5a+nyypo the 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 experiment, it is observed that the distance between adja.ss.aih 4)d8z mxtq 3icent maxima on a q3ts xh.s8) ii4 md.zaremote 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 travels pa:*d4xssow.ad kz1- otw hw;+i th $P_1$ 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 arrivzk c/atcivhy x (0pn 238g;5whes at a point on the scr (cap/thn 82x czyw30;vhk5 igeen 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 obtainj/k atxkqbyu *;(5)ye interference fringes in a double-slit experiment yyu) ekqka5x;/ t(j *bif the separation of 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 between adjacent maxima in a double-s-dlqa8) h 0nbj ukx nz3xv)a--lit interference pattern using mo0x-ln 8kh b3a)j qduaxn)-v-znochromatic 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 differe.7jk o5a 5qcwxnt colors ix7.5k5 aocwqjs

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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 dbk5(2 nvub 9vrainbow 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 sh+atpw:vd 1w p7m0ed2y orter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm i1h0znwnzm+ g8s 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 paszm6( ,y2 et/ erqktt6jvn4,awsing from air to gla e/6atkrwj te nqm, (24y6z,vtss?

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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 stsovvpw/.q a9 q 6jp k-jisiy2*h8w 9p+ 1fd3qmallest refraction when passing from air to g iv/j+ pof*s639a1 dq ypphk2 -wtsi8q.vjw9qlass?

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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 sidelxu-zhm3+ euw 0ay .ywt65k 2us, at an angle betwa-yl3 t6xwywz5u u+. m e0ukh2een $0^{\circ}$ 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 distqzhr0ojrp b +x4abwu2qp() ,o u48na6ant light source. If she now holds up two fingers, with a very small gap between them, and looks at t2r0,p 4z+ (b4ooauqjb)p6xhwu 8 na rqhe 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 increases,2dx6:j+d +lyub p vyl3 what happens to the width of the ced+3x2jdyylvlb p :+u6ntral 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 has 4000 lines pe-4 t2bv-knopf x.gr: wr cm and the other one has 6000 lines per cm. Make a statement comparing the diskto4.n -xf:rgvw2 p-b persion 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 withoi(2pxy(f6tb(p wm +83hb xct the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a f3pt iw m(+p xhy(oxt68bc(b2 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 dga,e07jovuz g5vx)8 by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constructivel gs+-bj* nvx1iy or destructively, depending on their phase difference. One consequence o*gnbs-xj1 +i vf 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, s bz2emu,5kf f:trikes an air boundary, ther,z beu :2k5mffe 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 a b8,p;4eugniuvt - qi(ube z wlf9n35)ir, is reflected by a glass surfacebi-3 ebw 5gne, pvqnu84(tuliz9f);u , there 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. 7cc5 g*r5us;fh3 qq kfi.amkn4daf:h*t t-o, As the film becomes very much thinner than the wavelength of blue la5f tq- ;ofm.,r gtsi4u*c 7af5*3h nkdc:hqkight, 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 rn,;qgh (zzv mce 38h.in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lenrz vg,( 3e8zc mnq;hh.s 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 flat glass plate and illuminated fromr*-y5o6t tv5 -mrzsrw above with monochromatic red light. When vsrwt5*oy rt5-6 m-vzr iewed 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 ft,x yn7nx(z y*or the fact that certain sunglasses can reduce glxxnn(* ,zty y7are from reflected 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 polarization is defin) ). 6abtav.o.5)j ptrow9qo s ocp1aeed 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 liki x ;ft1 ,kqj(6parwg+e a Polarwita xjpfq,( ;6g1+kroid 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 Polarowhr6ib bc24/fs) a (jrid films are perpendicular to each other, what is the percentage of the f b rs(b)42i6j/wcrhaincident 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 t rd)y h;tae kjh66n+*51z51bwn mjm uvhe 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 gr5.0bn*dlr wbteatest 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 followings4 k 1)li:dclnv2qhb5 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 blue toward the zenith5+ rlc6dufb1f1omlp+ (overhead) than it does toward the horizon. This occursplufm+ rb1+fo5 6ld1c 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 az s:, -s. h.imsx jdxv6gv-l-/lvq p(w vacuum. It passes into glass, which has an index of refraction of 1.50. s, v(j6pw:sh--i zv.ldx sql/.m- gxv 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 has a+pq e d0y:bwg3xm 7-ugn index of refraction of 1.50. What is the frequency of the light inside the x3dm peguy: 0q b-+7gwglass?

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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 pass45ja,cr8dki -t:a7c wq ewoi8es into glass, which has an index of refraction of 1.50. What is the speed of the light io,i8e5 8 :-q dact7ijwa4kcrwn 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 nztsiqz,knseq113 j-g88 -mra m 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 is fou4wudosw 8 u+zq7j)n) hik c4/gnd 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 a 8d.93xi aviop4yt5tdir 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. Monochl6e7 sxu8l ku 41k 9+mbvrjimhp/9pv7romatic light falls on these slits, and produces a fifth order interve4vh 18pb7p milu jrk97 9 6x+m/uslkference 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 thirwdk t(*yl0zc )74en fzd order bright fringe is seen )0dkwfz( 7l4e*z ntycat 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 s:kr * pgs bq)s7ein/g**fb j,separation 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 firstkb* grs*eg)qs,: / ipsnb7f j*-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, t2(g z8b )ea8px:gn)yk 9 hkoyjhe slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is k)pgae z gj9y8(nxbh2y8):koplaced 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 apart. Monochromatic lz;1 klfi uo.6,;hcgp pight of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interoz6kcil1g hf.,;; p puference 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 zf+r83 ii( xnqdouble 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. What is the separation between the third-ord3 x rni8i(zqf+er 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, 48+xy )xl v85f,bbq2lmx 0 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 1.47q),b xx v8b2lflx5ym +60 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (wavek 8( -f e:c ergt1z47oopnse6:e eu/dplength 61ftue6kp:dronos8z pe:ee g 7 -c/4( e70 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 width 0.20 mm. t2 zn6ur9ss:w What is the angular width of the central diffractionwsz 96 :nuts2r 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 mq: kfw5 l8u2vhru .w5light of 550 nm wavelength. What is the angular separation between the first two qh: rklu825v5 u.ww fmminima 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 2*mw ;/pjc 9timi05kvvhyd3j incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction 92*jkicyvw /p mjhd;m t5v3i0pattern 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 diffraie/ls73u +thf ction pattern is produced on a screen that is 1.5 m from the sl f lsu37e/hti+it. What 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 up 2o,ltjm-8e6s 5vui)wwq j10.300 mm. An observing scr 81,jem)tlu5wjvuw2qs-pi6 o een is placed 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 iz8zfpy4, ju +encident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of+4 8y,fzjupze 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 r/hhb nx/w ji gk36jq c51dl3.centimeter, its second order maximum ii .j 6j rc3q5lnkbw h//h13gxds 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 anf hx8i:la6 0blb7 bbenbe ;*.kgle between the central maximum and the fourth orde78* .; bbbea6h:nfi xllbkb e0r 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 wide and rul)vgs88 5w pb l0)yzp,snb ai+ued with 50,000 lip)wspn8sbv 8y,g zu+)lai50 bnes. The 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 war*:0girm nyrrzu698r1 u9g( rs+knz c velength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source 1g(r syr8rmz0 n u96z9+g rrcnu*i:kr 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?

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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 perd6,t -dr zyt0p centimeter ruled on it. What is the angular separation between the second and the third orders on tpy6d r zdt0,-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 owd gymhw3nk sz21374tut into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear inn323dwhtkg 1wy7z ms4 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 )nlwdk9x :./lz(x dglfirst-order maximum occurs a/z9w )d.( lgx:xdl klnt $20.5^{\circ}$, 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 norma,ntdpm0al hq+c5j.bw6( v d 5wlly on a grating. If t5,cq aj dwht 5wl(0.6vmd+ bpnhe third-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 ibt w,asms;n7 2wa5/bnormally on a grating. If the third-order maximum of the diffraction patt w/a;m w5,27bsabisn tern 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 plate at one end t2 tihne p;aris33mg - 6:knp(by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 npr e6a (ig2:tknh3pn mi -3st;m?

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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 inwwi.s nsgc*9 1dex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavels.g1i9s *wwcn ength 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 ieybp 4 g9 zw4;2j)q5faoq71eoc -odf2bztj 5r s the minimuo;5d9fp got zzefb q)b5ey 22c14wj 7a4j-o qrm thickness of film that will give 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 thickil yury k h ),dvtf88-x44mf9oness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1yvym,9d4 txu 8lfi)84-rkfho .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 mo8h)i63u bs91ruqvwpx m4z 4intensity of the transmitx3ohm) 4 8imuvs6 bzuq1prw 49ted 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 its preferred direction rotatedx g ygkz(wvfp0* (*s:e $30^{\circ}$ 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 strike t2y npsqo*xl z :.16qva1sm17lom.zes a flat piece of glass at an angle of zs 2pnq.zv lt1.7 : o1*1msmlq6xyeoa $57.3^{\circ}$. 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 throu0vayb dn hc9x):d r+fi :k9:eigh a polarizer-analyzer combination. The transmission axes of the polarizer anddx:9 +b:yav:nck)eirh9if 0 d 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 v6bhm bzj49yys9u0-0 , jkgrqis the Moon when its image reflected in calm water is completely pola z9q,v0h4bu kb0- 9jyrm6y jsgrized?

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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 pol9wis;a lz)l,) 9dt:cgew 9d fharizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the: 9fl, wh ciwsd tdezga)l99;) 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 and reflecting off a 8 ,;bwl0e zupzpiece of glass of index of refractiu0zezw8 ;b, plon 1.48?

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