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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 princ gogyepsj t l73f35a+4iple.
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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 statx) /b.c lkrdf-ement?

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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 attributed tlc(p gn/ oofc2hb3)s3o

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory -u7x*pz 2 edgpxw1mtnfu9e-n,;n;k hof 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 different optic bt1n q ritq+/ex3dl3k2qrx58 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 = 590 nm), originally traveling in air, :)jlnnm90ape pm*o 1y enters a piece of glass (index of refraction 1.50), its nm0m ):9 yo*applj 1enfrequency

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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), csox t(,a6 ; simagm..- l*ihmoriginally traveling in air, enters a piece of glasxl*.6am. - ;o(samgh it mci,ss (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 spre*u*zfjrogja)x8pv 3 ceu6 *c 3y eog6/ading as it passes through a narrow slit?oo 3g6u ev g)*ucj*8j3 fxcr/6* yeazp

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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 bava4-ied37y such as buildings, whereas light is not noticeably diffracted. Why is th7vydbea i34a-is?

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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 lm) njrud u3qg1.wt49;/tm nqc ight and dark bands when light passes through two or more narrow slim/.grtu9qjduqnn1twm ;3 4c )ts?

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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 sai.ucel00i0 kz se d.cc:d 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 st t2dy c;;;sof,c8luyrriking a screen are in phase with e ;f royct28luys ,d;c;ach 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 point P. If the da3/ , gbqp2qt p- qfv6aq2m1czg3)ynmaximum constructive interferencgagq-yz)d2 2nfvc6q13t bp,q mp q3a/e 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 point5;ro0ev.a/ tz+x ds pe P. If the maximum destructi d+ez/0.pteaov r; 5sxve interference is 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 central bmfkg+8m ffta,el;5)aright spot in a double-slit experiment, light from each opening arrift aefg;k, m )f+ml58aves

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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-jv7msxykfislc p2(g7qt 9r-: ay;ud8t ds0 4 side of the central bright spot in a double-slit experiment, y7ji st gqmk 7 2 s r8fc9sdlv0(-ut;-dy:ax4plight 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 s6bpk 8d (v /imo(evg+wide of the central bright spot in a double-slit exper /vbd6w(( +o mpk8geviiment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slits dec: rlk62n gdy0lu+ov(w reases, what happens to the distance between the interference fringes? guw6k20dvrnl( :o+ly

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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, itmm )grbd4qi /aphw3-6 is observed that the distance between adjacent maxima on a remote screen is 1)w h -mir6dmpa43b/q g.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 light0n8mz kt-u4f aumk1q( travels 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 qn1:x-* c2q jul limh-Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obs-nx -:iqc lm1l uqhj*2erved at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interqwu9k8x vz(h, /x f1yoference fringes in a double-slit experiment if the separatio 8xwoyfvx,1/( hkzu9q n 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 m*m1ww r/ax;a4 z8ncx-iqz/j:m z7m cnaxima in a double-slit interference pattern using monochromatic jc x4/8zc7mizwmw/nz mraax ;: q* n1-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 p( cz1djcf2z -wrism separates white light into different colors is (fcjwz2zd1- c

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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 raihc18 xd ,a 3.gb1kycmwnbow 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 v41 sbx,o)l2vbui /ijcalled

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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 rzcyptx/jha2m-ide/(c u-3 m1-o6ue750 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 fr)zr/de(pl*8j 2y fjb qom air to gl*l2)fydj j/be qpr 8(zass?

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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 reb06cpwe;1elt sfl9 v rn0wg,7fraction when passing from air to glass?brl;pw7 01gc6 9e0esftv,l wn

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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 pabetr rwofff;m0ela(jy*lb*xn6au8 85 p4:l +rallel sides, at an angl8f (e b+y8w0fle 5j tpm* lfb:naur;*lor 46xae 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. If she now holds up two fingers,v,.+vutt gy+v with a very small gaugt.,v y+v +vtp 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 thulj)ubrm3-j v2shnycsi dr/ 7/ f+)q/e width of the slit increases, what happeni+rn c yjrf/qjv2/mlss )/d-b uu)73hs to the width 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 diffraction gratingv0h1e4,73egtkb kpp v s; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing0v g3p h1 b,tkpveke47 the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the onl.7 *(z bzp)yfvt;1rmwid6to z y difference being that one grating has 3 slits and the other 4 slits. If both gratings(bmwt7zio p z.ytzd1 f)rv;*6 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 caused by refl qe90z,r9 eviws)sf( eection 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 constructh:v;kpz.zq :;ogw)k fb h27vsoaa*+ nively or destructively, depending on their phase differenv;k q a+zn*: p27af.gokbzoh sw:;)vhce. 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 upxv ks6sof8gpao(1 a i*1.12+ocuzc is traveling in glass, strikes an air boundary, there iigso1os (2cuxp +a.1fva81p*zk 6u cos

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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 reflectsy2z3s- +afv jn.jbavc4 8,jqrk.* hved by a glass surface, thejv ,3qf z j2 kba+hsyacvn.* -4j8rv.sre 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 the film becomes very much thifxmq8y gszry28(l n2(wwip 8: nner than the wavelength of blue light, the f8 q 2i(:wmng8ywxrz( p8s 2ylfilm

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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 magnyels+ n qs *wy;;s1-(jtm.o lmesium fluoride, what is the minimum thickness of (t1s-+;yms ol; l*j.m eswnqy 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 a flat glass platkmwg2+pg-t9za.d qdud8+ hz: 4ih3 dr51nosoe and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red wtod5 -d h.+z8p kg+9mzu3io:h42qddsgrn1a and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that ci ix62lyg)uis4t 1 nm1ertain sunglasses can reduce glare fromgmx1)ln u isi12t 6i4y 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 polarizatirqo85ctu4(gty6 * z snon 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 pola3c* t8tzk+r6 y vent5trized light in a dichroic material like a Polartt5z3 n t yrk6etc+*v8oid 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 ad .wl5dv ylm,-):d* dr; anlpxxes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the tlv5 dl-)*ypnwdd: ,;l .xar mdwo 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 surfa oqmx0bx5*/ xice 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 6 5)xmvztvga i)o8gtdb )o5,+4qam kgsunlight 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 following is diffract48sdnnexg7xytbdb f,z-tax8kk( 6:r4;pv 2s 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 appears to be more blue towardxo:qf1 7,w 3ulo *9ftrbgc*nb the zenith (overhead) than it does toward the horizon. This occurs becausefq b9 *lbno1wc* :f x,o3gut7r

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into g,md7,bp7b ywrmh 9w5rlass, which has an index of refraction of 1.50. What is the wavelength ofb7,myh ,w9wrd 5 mbpr7 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 an ),(sov,fd x2 eukouyt18ct4m 07r mkvindex of refraction of 1.5002k 18uckdvy o4tm 7(vxsou)fm,rte , . What is the frequency 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. It passesd*m)kmi1sl/6 ol rjr6 k1m fg8 into glass, which has an in 6 *jrlki/6or8m fkm1md1)lsgdex of refraction 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 n-,2 (dfs1z igwzk* ihvacuum 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 5*d7 q9q7qm qrb50 nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found dw/utrnxt060 b tvd/; 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. Mh *z4 obtd+0psonochromatic light falls on these slits, and produces a fifth0ps4th *odb+z 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 ep z)e3tq)kjlsqh8 r3v1:x-vs+xw c,on a double-slit and the third order bright fringe is seen at an angle ofler:)p3xstj,cxz8hv w v k+1) q3- esq $6.5^{\circ}$. 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 be9rehc4 ,:pbq( ) bb*bwshx 9ywtween the two slits is 0.050 mm and the distance from t pbwc ,9qb h b9b:shrwx4y(e)*he 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, and*lkc6rif,o2 t2vdniv r )oh5rk 3b2v9 two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. r56kr)29v nr,h3 c2fb2 vo o* idiktlvAt 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 lighg5fc jul9 t6r)pe8 yb;t of wavelength 634 nm falls on the slits. If9lygfb8j)c tu 5rp; e6 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 doubv ngg;(i,re ,dle slit setup that has a slit separation of 30.0 mm.i r,ne; dg,(gv 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 waveln)cp6 kr(m60aewj; p mengths, 480 nm and 700 nm, strikes a plain piece ofkpem6 np (c6 awrj;m)0 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 bluow5da+k .6ml- ms+ zace light (wavelength 480 nm) and red light (wavelength 670 nm) is incideds5w. c zo-amk+l6+m ant 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 o5bt-(b8c7ukx kmb v+lf width 0.20 mm. What is the angular width of the central di+-vb(t km xkbbl78cu 5ffraction 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 isw ck8usk pw;mqu.;.v7 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the firstu;. u .mpk;cv8k swwq7 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 a1v- b ub0xwz 94eq3hwg single slit 0.75 mm wide. At what distance from the slit should a scrb301 z-4evxg hbwwq9ueen 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 incident on a slit 0.20 mm widal6.dpp pj561fa wz/ se and the diffraction pattern is produced on a scre f/5lw6sp.p j1aa 6zdpen that is 1.5 m from 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 oec k2d5j5t)j/h8ja ud 9a;tu tn a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of th)5ujcde/ k92t 5 jjat8auhd ;te 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 o,w3 v78 kug8j zi/fwej 1*vzyuf width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maxij/,fevuiykj7 8z u*8vw1 z3gwmum.

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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 9e3lxr sn z3v*per centimeter, its second order maximum3 v*n9exrs zl3 is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle between the cen+rqlwh e, a -0xsg le:ytsilbc3*)f1-tral maximum and te bfh,s s3w q+ 0rl)cyl-atgil :1xe*-he 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 t r90sr7wdr,.1uqm g;b; ywqy ahat is 75 mm wide and ruled with 50,000 lines. The secon r.gaqus, w;d 7b 9myrrqw0y1;d-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, iri jvayjstia-t2ih);6vh0 , 47a:ad 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 0) d4ta7-h2ihjvivi j sat:ry;6 a ,aigrating. 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 lineswa- xdxx1 le 9 kn2x2fok6sz;0 per centimeter ruled on it. What is the angular separation between the second and the thi2x9e-z16w k sx ;ldxxk0aonf2rd 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 grati g:9q 7 v3yymoobo9;fjng. If the grating has 2000 lines per cq9 ;b93yo jv:moy fgo7entimeter, 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 gy:b8 m3jn-y vtrating. If the first-order maximum ocyt8:3 bjn yv-mcurs 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 ;w8s).o)8cw1 lc csp geu4kyy0pf y i:is incident normally on a grating. If thekwsp:0yc)o.yuces;8py4lfc 81gwi) 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 u3xf4hl(o:l htdhb40i4lc +m( t qhe 4incident normally on a grating. If the third-order maximum of the diffraction p4(dct:l+bh le h(i x3qutlh0o 444h fmattern 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 glav0 h)krk1t1q0b (krqnss plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adq qhk( 0101btrrkknv) jacent 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 o5xo..x acs 05b5iv nxlhh jd8*f 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally in5 vijx *sha.d85n5.xc0xohl bcident 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 sowdwp 7a08nxv/ +igow8ap film ( n = 1.33). What is the minimum thickness of film that will give an int07 dvnx oa+w pw/8gi8werference 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 th9m mfhc t):7ak5v 9aqnickness of a nonreflecting film coating (n = 1.30) on a glass lenaqhm 7v t:9f9)nck5ams (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 ph n/6y 2tvu/ 0czkk:salaced in a beam of unpolarized light and the intensity of the transmitted lighkz 6hn:0ut2kcv a//y st 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-x)f(sw 1da 0vg y3anr direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a fluho y4-nkp q5a;/n gum -ejk32at piece of glass at an angle of nop/5--y24ug 3 a;qj mnk ekuh$57.3^{\circ}$. 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-analyzer combination. Tha/ g2e ecs mw/f;chx +od98we0e transmission axes of the polarizer and the ana x8wase+om0/d w29/c feehc ;glyzer 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 - re7vmrrp, t;wd(v,fk e- p7wMoon when its image reflected in calm water is complete-ptdrewvv m( 7 ,rpw 7,fk-r;ely 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 ;/4bmgbqmx ;o a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. Wh;b/ gb omx;mq4at 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 and refl8bf)ecjp bt;vr(g- r cq63zu-tm1 0kwv,p cw:ecting off a piece of glass of index of refractiowc6ccrwb-p tv8e0:gp 3t -qjur1b;)vm k fz(,n 1.48?

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