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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.1eli b6jpei/w ;44gsn
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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 isvaxh * (j*33dok6k aif 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 light is a30hw9 n )thdkpj g5mi6ttributed 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 lightf6xtmu fjb2 h g:z0k6r19nn)h 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 medivayvy 4 w z t5a uo)3;w-pzwpk3o.h4l)um 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 = 0rom8 . khnlh4y.f(huqt + g/m590 nm), originally traveling in air, enters a piece of glass (inuh /.qm (th4kf hoygm.l+r80 ndex 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), original( mgfttdb*7s 5ly traveling in air, enters a piece of glass (index of refraction 1.50), its wavelength5d7mgbtt* ( sf

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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 passes through a narrow yzfgh*b* 2sk+q kx*; xsly s+*qkbx*;hk* zf x2git?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracteilix2vl /7u0u ej s(z8d by large objects such as buildings, whereas light is not noticeably dilu uzx2/vji 7e sli8(0ffracted. 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 alte*-1 x5jm5-j)i.ll t nqaxrtffrnating light and dark bands when light passes thro qtfani5. *lrlj1jxmx-- )f5t ugh 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 toy,jglo8m,ms 8j6cw; t 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 y 2j)egavll51+b,3zlgt o5shstriking a screen are in phase wit,jbg+y l hg251o3zl5vtsle )a h 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 travel different paths arrivin4ttin,;;wo k;zykr8 h g at point P. If the maximum constructive interferero ,wyknkz ;t4t;hi8;nce 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 dg(fnvkmtqf( hum9 ku)t8n5),l si9i, ifferent paths arriving at point P. If the maximum destructive interferen,stn(5 )tmkmhqk)n8(9ug lf vi ui9, fce 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 eithef)j*fh /p5ri sr side of the central bright spot in a double-slit experiment, light from each oifhp j 5*frs)/pening 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 eithnygc0sw4zf; x.v , j-+g kum7rer side of the central bright spot in a double-slit experiment, w.0g uc;g+ rxs,km7- fn zjyv4light 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 bright spot in a m1ela0-3ryhf double-slit experiment, light fromlr0 3h1ay-fe m

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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 decpjymc.-3)y v8yp)/ d o+ltv2tdr du9qreases, what happens to the distance between the interference fringes?.3p ryvcd+8 2y)vm/ pu-oyj)l9td dqt

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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 opfkre xy h ,;rr4wd41.bserved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit;r fe.4 yhpwd4xrr, 1k 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 travebt:8a/ pi:uy(dd x;niutl+fd : 4ljg;ls 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 at a poiny -f*sa gz0:jbp 5uk2mt on the screen one-half wavelength behind the wave from the other slit, which ij :0k*a5yp mu z-b2fsgs 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 obtain interference fringesppmur9 ,1 *7couob7 qdvu);v j in a double-slit experiment if the separation of the slits is less vu,) r19 cpou7bqj*7um ;ovpdthan 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 iy 7uq zx :2*l9nsp0hyjn a double-slit interference pattern using monochromatic lightyp0sn*:u l 9yjx7z2q h 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 lighu * csmy m4mtm,f-4jv-t into different colorsy-m *jmc tm,usv4m4-f 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 rainbow to forj: pkqk g:yz;di5t(w3lwp e1y7 /. yrqm 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 53v-udjl1q zz 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 is ca/,uzry(7uj;s rzb y6zqt e8 3tlled

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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 refracacl:58 rtaize v * ,;,luclsd*tion when passing from air to glass? ;l, c:*vze5 lsa*drluc ai8t,

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing f*1 x7:pz1-y+ukb *qm nzzvg oerom air to glask7+: -bo*qep vnzzuy zx11*gms?

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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 ps 2s)g 3 ):kjark/7ql4 f1wcnjdy6nfparallel sides, at an angaj/ld2 )73f6gnwknkj fs:qrsc)14py le 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 sourqnuvk-b 43gk6ce. If she now holds up two fingers, with a very small gap between them, and looks at the light source, shev bk kg36n4u-q 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 diffrleg5 k6e04o+y7 mnb qvaction experiment, if the width of the slit increases, what happens to the ke enmg45yo7 l6 0vbq+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 gratings; one has 4000 lines per cm and the o/ 4: 98goj ourcoh+cmdb, a3ksther one has 6000 lines per cm. Make a stoas8:/ok ,h gr 93cjo ubc4m+datement comparing 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, tj*o d5r(fy/y(cmw*cj 26ivpp he only difference dj2/p(pjc r mof*w6c5 (*viyybeing 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 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 .3 m7reie3-yx e hlbeov095-nhokqr(oypd:/ caused 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 waves6 zovba d1a3emhn(d rx*7-e:eeo-zn 3 can interfere constructively or destructively, depending on their phase difference. One conseque3 her3va-dzxeab-oezn(7n: 1 mdo6 *ence 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 tra3aviek-/vgc l a vy+(y rby5(2veling in glass, strikes an air boundary, there irvyal-+ aki/eyc25 v vb( g3y(s

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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 travelingd: +m n-7qyfh : 2 1jzsxht5pio6iqtl0 in air, is reflected by a glass surface, tzxi2:h0 ylsi 6fj7nt:q5h modt -1pq+ here 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. hup n*9e9/ra x 3uj.;9mp wglb As the film becomes very much thinner than the wavelength of blue light.n99/ umgua;*rw jx 3p9bphe l, 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 mqz 5ht*i r7mp0xgc6hh5 a2qs .agnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to t*i7t6cqga q.5x2z50s p hrhmh hat 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 ill -j;. bokyhsfsjn.c ,43ke )zpuminated 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 thsz)b sk .oyn;ckf-jpj3e. 4,he lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasse9+ht 6dq rg86q spri7ws can reduce gla8qs6 w+p 6gdirhq97rtre 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 polarizatioqb;ly4.0b-ufxfqi) u/fw q *dn 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 obtyc rku2n fk34a mzti:*v.;a)u ain polarized light in a dichroic material like a Polaroid fil3z:tufu a2 k;*r.van icm )yk4m?

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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 ygw7( z.zal 0jfilms are perpendicular to each other, what is the perc lzzjw7(y0g. aentage 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 surp;,s1*e t rhvfface 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 greatey7qhg;w /y /qgkxzi945jl3v m st 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 diffractio9sajuj33vaz 62*uit un 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 zenith (overhead) tr,s 356sv e*xwxzn2m zhan it does tow,ezz3 s5 2nv x*6sxrmward the horizon. This occurs because

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, )brhvx )28otbci86t)ul h,kswhich has an index 6) s)b ck,l r8iuhot82tvbx)h of refraction 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. It passes into glass, whicd2o3;clx 3 pkth has an index of refraction of 1.50. Wt kpold3xc2; 3hat 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. Itx j/64k ptuyghz(;y-2 s2 3nus;w yaqe passes into glass, which has an index of refraction of 1.50. What is the ys/xhpn4 ;-tez j232us yq6kya(u; wgspeed 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 i / :ddixv)wh,bn 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 found to tn v pmzcvrdf/,+lq 2;y;md8t .ravel 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 to trks3 kobue 03+gavel 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 h qy,efbwm8h ompd6+j3y z3dkt/ztf) *mf 5);slits, and produces a fifth order interk/*tf m3mm,py +hw8q5h ;36 d)dtbf)z yfzjoeference 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 tbbdc/x/r*p 2u4* yh2tq 9rd ithe third order bright fringe is seen at an angle ofqcr*rybtd/i 9hubx2*tp /d 24 $6.5^{\circ}$. 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 ex6 -4mye y 1grzr8).ifeyglnm/periment, if the separation between the two slits is 0.050 mm and the distance from the slits eyy)zgg4r 1fmn yi8-.6/lrem 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, a4hh d btf 8s+epbd:n1(nd 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 first coincide with a bright fringetb4 sph (+nh: dfbe8d1 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. Monochr qazn19d5kuhk;m 34o nt3 57tancz 0fhomatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adkdmao0tt u14qz9z55k3 3cah ;nf7hnn jacent 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 incidemmz)qbpm ulo 6ox clw)9))6 k.nt on a Young's double slit setup that has a slit separation ol c plm6o) mzxuq)9m )o.bw6k)f 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two waveleny9 ) yqo4navic+r4t 8lgths, 480 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 1.4760 at 700 nm. Determine the angle between the two beams in the ga)l 4yct y8vo49 q+inrlass.

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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 lightwz )xw xvd6-.o (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piecew -d.z6)v xoxw 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 ag.tc b qy+v:lxsr)*p8zt1u id-8fds+ single slit of width 0.20 mm. What is the angular width of the centr q 8rs)*-+itltzgx +f.dcbp1uvyds 8:al 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 illu7clfv(pd8ts( n0sxvo3pa t;* minated by light of 550 nm wavelength. What is the angular separation between the first two minima on td7p*f8vsns a x0(vlo3(;pcteither 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 mz)fgdruk xb *. g2k+qmb*6e(n m wide. At what distance from the slit should aqbmg(*)n u2e*.d gkr+k 6b xzf screen 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 mmxbnawk. ijgem) 5(31 v wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the centre k w3an( mi.1jxbgv5)al maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An o:s xgdjw:v f)b2e5 f;lkr(:u sbserving screen is placed 2.00 m from the slit. Find b d:grsve(2sj fw: 5u: xfk)l;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 pk. rdfpql:6h1t --kaon a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find th l: .r16-kqfkthdap-pe width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, it/83iplfzat nj9*v-vhb 84f yts second orderzvfjtnb 8-at/p43f *i8ly v9h maximum 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 betwe4c:4n abx,ydxen the central maximum and the fourth oad , xcx4yb4n:rder 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 inchphvc cq: ra:;)z; bs9ident on a grating that is 75 mm wide and ruled with 50,000 lines. The second a 9c:hbhz;)spq;:vrc-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, t7mqc 3rs/7u w 1d77g.hpro zalight of 600 nm wavelength produces a first-order maximum 0.350 7czs371/a 7r7.dq gumohrtw pmm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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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. What is txh,ufr) gxa:z l,8u1ki8 d3nihe angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of likh),u 8nax:8ri1i ,u zxdfl3gght 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 spect r: 7 a t7r(9b4ucbg5y1olbte4wn xu,hral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light xwr75r4 n,47o be9t :yubthg ( c1lbua(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. Iflsaesib6 7.9pf,c r.m the first-order maximum occsr9.abf e,7slci.m 6purs 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 wavelp fv,kru-sj ;5ength 500 nm is incident normally on a grating. If the third-order maximum ofr- ;,s v5pkufj 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 inciden6rbd45 zuz.(sdpycsd0 ;j)ryt normally on a grating. If the third-order maxp( 6byjdz rr .y susdd)45;z0cimum 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 plosgl3p2a( m- wate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with lightoaw3mp- s2 (lg of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimil ge*sf7 5;uium thickness of this bubble will ensure maximum reflectance of normally incidi*fg7;ilus e5ent 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 nm6m,pj 5 c7lsvkj-v 7ac illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference jak-v6c j5p7l vcm7 s,when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = 1.30) o*kkdhu 63 0uuoq-wfb30x2*hmt7* ldz f 8fshen a glass leku 7hut 0 om w2ul-fzx*b*f3qsk63e8h 0 f*dhdns (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 unpolari;uvdrg/lrr )ui + m)ucr 6r1f;q.ofz3zed light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam ;uvr+ou3;1rmg))/ z il.dru6rrff q cwith 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 di.hmdf2m-y q/ srection 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 3m :f6r nd1m71vxsmjuof glass at an angle of jm3 u d1r ns1:mmfx76v$57.3^{\circ}$. 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 combinlq gg ,uaidlgy d754+:ation. The transmidyld+a 5ig7,4 q:gulg ssion axes of the polarizer 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 horizc9ka*kc2hd86 izff. zon is the Moon when its image reflected in calm water is completely polarize.d8h kkz a9i zcff6c*2d?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer a6j,y x owr3ucv :*xri*nd then an analyzer. In this process, the intensity of the light transmitted is xr wu6,i ycjrv3x *o*:reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflectinf (z p rz1*srpk(6vn/ng off a piece ofnzs pnz(16v/ krrf* p( glass of index of refraction 1.48?

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