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习题练习:Physics Unit24: Wave Nature of Light



 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. :) tiuz+ /gcvrg9j4oz
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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 fbs7w .72g 3hf6n nnnesalse 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 itvnd( qc+uskqiw0 +56s.ms7h s 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 to(+n(;fvw mmesuiu 7i5

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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 en;gn.qa /q7mdvq q tth2c.;dex68+sniters into a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveliu., n y 0*1zw2.yjozgpnh ,zvfng in air, enters a piece of glasvoz*hn0z1,p wfg y zy.j2u,.ns (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,enel*fn:/5t q enters a piece of glass (index of refraction 1.50), if nle: t5en/*qts 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 spreadsf 0vkgps,e ;.ing as it passes through a narrow slis. vef0k, sp;gt?

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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, yj:rat8vv/v* nl4*vfnt 0wc/ whereas light is not noticeably diffracted. Why is th vca//rvn l4t8t *jv 0nf:*vywis?

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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 alternating light and dark bands whe(c ks7 zgm j-r9rrxn55n light passes throughsrknxg 79z -j5 r5(rcm 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 to be coherent if theygmmhga*+ 27k m4k jj2om6hdi i25on)a

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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 inpbn eptg) qt4k/d 0l3: phase wibplgd)/40 etpk3 qt:nth 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 traveemfu6h jo*eco;l99. fl different paths arriving at point P. If the maximum constructive intf9* jo6ou9 ;.ef lmecherference 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 point sxm1w6*+s+ n abjsl a9P. If the maximum destructive interference is to occur at point P, the two beams 9mxs* +s+ b a6ns1ajlwmust

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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 double-slmgizqaag:*3xqg;cy + s .zh +,it experimen ,c+gayaq. g*3zz i+q mh;x:sgt, 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 cen uk 9bqt9eol /to- f2soqg3(:gtral bright spot in a double-slit experiment, l u9eo:9/oslf(gqt2to3qbk -gight 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 maxima on either side of the central brigcg9ttz60, iq ihi 51lrht spot in a double-slit expe h,i6 cqig9l0rt5t1z iriment, 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 eyfvxf yl( 4akoyf4-;* 41 xlhthe separation between the slits decreases, what happens to teh1k(4*fl yy-lx4f4x; vy foahe 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 experilf1v+6bspa 4- k by+2qi*srd iment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima whens4fblqr+-6 +2i1*pyki dsvab 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 pi7k 7q;aj-3/wgvxg dqkfywvl*c.+ p; ath $P_1$ 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 at a point 6q4d4m nc1,*kvxsen f on the screen one-half wavelength behind the wave from the other slit, which is observed at that poinsm4e,q vnfk416nd*cx t?

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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 interfesrm/j vgh h)*y6*l4kokyw:db,ia b/5rence fringes in a double-slit experiment if the separation of the slits is less than the )i /dshkwob5y ykagj*6:/,l*4rv hmb 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-slit interference patter ki5ikn;9 uoi:n using monokui k oni;i5:9chromatic 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 n3j bf kzc - s9c*hfai)1-rbq6why a prism separates white light into different colors s*bi6 b91 c- za)rh3nqfk-cfjis

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allo c i5 k.3u-vqhdx4bnh.ws a 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 400 nm is calle pf nr3*l9h t:nhd(l k01pcz/gd

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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 longer2xt tdkw2q i2 *yss:8m 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 *8tpfdueg 3/sz5x vq. the greatest refraction when passing from air to zx f.qu/*pe8vg3ts5d glass?

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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 undergomk.sm/vd+o8yo0e;d . n+un thes the smallest refraction when passing from air to glas.ne+ hmky 8 / ;.0moo+vsdntdus?

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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 jph/:0 (9poz.dakbp z)u wwx6 with parallel sides, at an angle betweep /zpju ww0z(d . p):6hx9akbon $0^{\circ}$ 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 so:tu .) k:dp fpxfj.;ppurce. If she now holds up two fingers, with a very small gap between them, an:pu. pf p )jkp.xd:ft;d 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 diffractiooet0/ym7c gv6n experiment, if the width of the slit increases, what happens to the width ofmt g 0ce/v67oy 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 diffraction gratings; one has 4000 lines per cm and the other 6k 6 2;cf3 mnsxxb,gfy)osaq:+f cb+y one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratings. fgfm cq y:32s+,+xb ;bckyfx)6sn6oa

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffract rkjc(o iul2lz9du18/ion gratings with 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 beam of the same monochromatic light, make a statement concerning the separzor/ 8ud2(9c1kulil jation 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 reflecthja.i ltbrxs :35t 2 cfoao269ion 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 monocm2sj 6ttsa kp,c80yfl w3f*/8yeat9xhromatic light waves can interfere constructively or destructively, depending on their phasewaey*t fsyfta3 8 /0tmjck68xp,2 9ls 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 travelv4mbv4x+ q-z/el,zrhg8 k 3zywr m:f2 ing in glass, strikes an air boundary, there iszmfy:zrrm-e,/ 8h+ vwq4v2gbzk3x l 4

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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 ai wtivic30(bfz/ 9w -z sn2vxv4r, is reflected by a glass surface, there is 2 9bs4z wf3/z 0-ivtwnciv(xv

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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 whita*l fk;*wdk(u/ s+zioe light. As the film becomes very much thinner than the wavelengthkokas*zu/ lw*d if+(; 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 magnesiwq( .qe bvcgp;k)5 .ndum fluoride, what is the minimum thickness of magnesium fluoride coating that must be aq;cpd.g)e bqw .n (v5kpplied 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 2xu;0 -icpd):a whsjta 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 observe at the exact center of the lens where the lens and the gla)2;x cdw-ushpjai0: tss 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 sunglassesv792ed2acwscuvt- /c can reduce glare from reflecvac 7t2ce- /u2s9dv wcted 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 vojc (do2h:4u iphhgk. 5o/a* direction 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 a dichroic material like l :i*mg3e.g rra Polaroilgme:r*.i g3 rd 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 filml j/lofz)/ y .i*mf sk0ouh:4hs are perpendicular to each other, what is the percentage of the incident light which will pass the twzs:)fh mfi l4k/uhl *0/jo.oyo 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 lak;tgka2g5e51/ u jpyhb e

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sul.esv4q,7u c8hbk: y2jkis, 1e4iz+ kq mqvf.nlight is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the follacbtx9) l3,s4 hz)b vcowing 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 blue2faxb hl5n,h,jvm4+ +h* eo5qhx-kkd toward the zenith (overhead) than it does toward th5lkkvheq5 h*ma h dh-4xf ,nox+j,b2+e 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 of 600 nm in a vacuum. It passe 7jw( p xu47wspl4p )s*i,hvrys into glass, which has an index of refractio wx4slv(* , ppp4 h7jy7)sruiwn 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.:v gc7xnrxq4 ( It passes into glass, which has an index of refraction of 1.50. What is the frequenr (7xnqg4:xcvcy of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. Itr)/unp iz m2sd a3tt*+. wvfg9 passes into glass, which has an index of refraction of 1.50. What is the speed of the li a.n9+w fs2*tdmu)tgpi3v/r zght 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 550ha2ueyd)1( i.0tffuix4 :br w 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 is fou:hnnhf y- :ao,nd 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 foundf3c+f3d c zoog(6hbwzt.w5( e 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 light falls on these i/l 7 zor68)jink1jdjslits, and produces a finz67rj/8ko ii j j1)ldfth 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 nm falls on a doub88ur b8/csh:bca: y gneccw+ofn r,0; le-slit and the third order bright fringe icf8rcr8c;w/u 8+hb gcn:,s0yne b:oa s 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 experimentf0;ud)w7 xxbc:) eo(pc09k y5 omqrza, if the separation between the two slits is 0.050 mm and the distance from the slits to a scq z a:cf()m0cpeb5ukw7oo;x0r )dxy9 reen 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, 8e0 03 t2vdgj-kjgstdthe slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern d00dkvt8-j32 ge gtjs 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.nv t--xed3-vsj7r6p i yz r+v; dr*kd9050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, hownyj d+;7rs edvvvkr 96-*xd3rpiz-t- 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 slit se8jol gsyn7*,nj3h 2n )mxo2cstup 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 3 gn noc7)ssjno8x l ,2m*jh2ythird-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 wav7rf5:*qke7hbz f7b weelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the gzhb*ef57kb feq rw :77lass 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 li*j7r 2 +w6haxrb-bh(d8u6) faflod w qght (wavelength 480 nm) and red light (wavelength 670 n8h*ar(ju)67 -frbwd+ q2waho 6 l xfbdm) 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 ac9d-vx.c vb 9kdtt dphjj91wcc3z.6o + v4l z* single slit of width 0.20 mm. What is the angular width of the centrztv+. hdpd 3 cwc-1lvjc xbzv*k6 t9d. 49jo9cal 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 ge .b 9qy2/-z:/op hwnynrbdy0ug (v6by light of 550 nm wavelength. What is the angular separpg 0zb :.nqr/gn yehuy6ybo2( d- w/9vation 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. Ad0m .amykt 3)mt what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from thdt)y.0km3m am e 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 nt8mi 9b ++a rffvu:hx6m is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m mbhffa86+it9 v+ : rxufrom the slit. 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 62qhcp n/lveu(l)(b k a slit of width 0.300 mm. An observing screenck6bpvleh/ u(nlq (2) 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 incident on a s np0ikf-rok + x;666qxi+fuqjlit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the widtx0+xqnfr6ji-i6;fu+pkq6 k oh 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 centimete .e ,,nlq)tyrpr, its second order maximum is.lerpnyqt,) , 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 ( -xsb7xt kn54rpn0 hxangle between the central maximum and the fourth0xxtpskrx 5 ( nb-74nh 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 islxvb+j49,d9sbr x v(;z2jlek incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-bvs;4lxz v9 ( x2,+d9beljjkrorder 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 experimene5;9jrafi56lyko 1tft, light of 600 nm 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 sourafj9 el f6i5t5ryok1;ce?

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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 3-)b7drvtk nt;t asg;: muf-i 6000 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 theba nrtdt7-; ;)-3vu smgfitk: 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 hub,pg (9fy2t2v chktcou :4(ov es by a grating. If the grating has 2000 linesgt (vu9poov2t4 cb2 y(k:ch,f per centimeter, 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 the first-or(:87j+,iliw8c wmgzt zw.sqw der maximum occurs i:.j8 clw,zg8 m(tzwq7w w+siat $20.5^{\circ}$, 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 ofr2i4oj/f - pgi wavelength 500 nm is incident normally on a grating. If the third-order maximum of the dir2o/4fp-gi ji ffraction 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 mh t**+ 6zqkgzon a grating. If the third-order maximumqmk+gz ht**z 6 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 plate at one end by a n3 /*w mqmb4yq5whgs96/ k3k smh-tcx strand of someone's hair (diameter 0.010 mm). How far anq*-5g/m3s 3w qx 6 4tmwyskh/b9hckmpart 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 ep4i)hf0v)+ grs jv)k refraction of 1.33. What minimum thickness of this bubble will ensurv r4)ge0jfip))ks +vhe maximum 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 soap film ( n = 1.33).2z)mtdj3-f1c9shxp80 sltzg What is the minimum thickness of film that will give an interference when thel )1smc2dpxt-htg90 zs8 jfz3 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 coating (n =v :-xx huo;9e+dzy-br 1.30) on a glass leoh-v; zd- xxb:eu +9yrns (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 light and the intens 6mi jgu/)9gtikwjh6k6 5vr y9ity of the transmitted light is 1. A second ideal polarizer is placed in the beam w6gr 9ig 6yvm9/wu5kj kt6ih)jith 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 dirla*h4dnlg y(n7h4 u -yection 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 o8ka juqbv p92 0)q,r)p 2xzd z6vbj.eh;vu,xtf glass at an angle of zk8b,2h z)p29e bxtx0qpu vvdqv;, u6rjj) .a$57.3^{\circ}$. 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 polarizer-a+n--5c kf 9ra(qrho nrnalyzer combination. The transmission axes of the polarizer and the analyzer anrrkqac5rf(hn o9 - +-re 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 horizoprjp73-io8 qw n is the Moon when its image reflected in calm water is complej r3w8pp-o7iq tely 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 polari+evo-gusc6ei;z2k- 1q koq0nzer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. Wha;ose 1c 0zq+-kngv-ike26 qu ot 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 vacc6ywx c kt:c7;eu)6qy uum and reflecting off a piece of gl)ct6;6k qu :xecyyw 7cass of index of refraction 1.48?

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