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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: 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 principlex-h3 ve:,;m rnymi0p vnhfd la+yh 70:.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followin, 3/rug24itpxh;psjdg 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 light is attrd;marm qs./3dibuted 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 83 ;pzjgy shs0is 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 intu/ojno 1 )yeo,o 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 trav)b3ah 9 b-gif p1nxd-oeling in air, enters a piece of glass (index of refraction 1f-ibgand b19x3 h)o p-.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 0o:: g65gm rbh nxg992esm/rjne3dx eair, enters a egrex96o g0xb n/e352sn9 d :mrhgmj:piece of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as cruormr2:o13m8 xd)s it passes through a narrow slit8rmocxr3 m1:r ud2 so)?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffrus* gv6(;y ejqacted by large objects such as buildings, whereas light is not noticeably diffra;6sgq* e (uvjycted. 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 alternating light and dark bands hfwt; f85vu x+my.ev +when light passes through two or more.v+w8e f um+f x;hvy5t 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 ixvr3gn 5 lj4) /7wpmhbe 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 striking a screen are in ph- fi7nf 3:amy o:3fqtjase with each other?aoq:mfjif fy373 nt-:

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coheren.ds ;7wc0rmj( 19kkezp r zx)xt light travel different paths arriving at point P. If the maximum constructive interferen7rd.9ekw z(01rxkpx jz;)sc mce 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 P. If th v.pm;ys 6fz0l :0ex0qgpn)fze maximuf: z;60v0) p nlyexs.p gmzqf0m destructive 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 bright spot in dnvw3 kxy32j9fv+tv3 a double-slit experimy3 vnk9dfvx23j+tvw3 ent, 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 th8+xl3k17ahkwao m)q le central bright spot in a double-slit ea a3x81qlokw)k +7hlmxperiment, light 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 inmk8j(egwg 40nj7p; b7 ,dvc ev a double-slit experimn78 ggb0dej, v(w 4;emcv jkp7ent, 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, 6osyoih2 +j1;** e9b;zh wv kt r1w-mey d8xgyif the separation between the slits decreaseh x;ko+det*jb ww9*;gr1 -m8ye o162vsyhi yzs, what happens to 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 tha/ib/3 +ys9.g-oz pvgquy,o,v .rfo qat the distance between adjacent maxima on a remote screen is 1.0 cm. Whatsvy9 opgq,+b/o-g.z aiqoufv .3 /yr, 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 path tmp;z.sj1o 4lfra9 fw8mz+p *$P_1$ 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 arr-egis*xk1k7 xives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that point -k *7e1gxsxik?

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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 fringes in a double.d-j0s:j gi 3mnlnm83e.uhc a-slit experiment if the separation of the slits nme hji:sm.l g- d0ja8.cu3n3is 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-dpi) q+c u(gt4g c (c2liy.4gaslit interference pattern using )uqi pgt (y2.dacl+4cci4(g gmonochromatic 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 whibi* )g;*wp3v g+ vfm q+oko70nc fq,nwte light into different colo fkv+) g7 c;3,nw*gi+0vob*p mqn fqwors 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 allowwg e. j90bouf mn;j(*ls 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 slighybu . n-qy97pqtly shorter 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 -e+z ,qjkdrndva ,po3.j. q;nlonger 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 n;e)4*g o wbxx *8qdjckex9g-undergoes the greatest refraction when passing from air to g8c*xb 4d-g;xeognj*kw)qx e9lass?

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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 refrakg5 nzpmb2gey2( t5 .action when passing from air to gl5n. azgm(yb ge52p2ktass?

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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 io*lrk*u36f;irtszbwj)f 0(z ncident on a thick glass plate with parallel sides, at an angle between;6zofsbu (t kwjir*)rl zf 0*3 $0^{\circ}$ 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 lilrgnhn 3 /z2.mght source. If she now holds up two fingers, with a very small gap between them,hl3z gnmn r/.2 and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if th sn78xhz1 v qfs.zy88me width of the slit increases, what happens to the width of the central maximum on a scr m.n87hsqy1 8xzz8sv feen?

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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*wvhgx / ct8t21gcsz 5ther one has cxh s/5ggt vt2c8z1w *6000 lines per cm. Make a statement 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 w3 ko(vpv5y -lnq +eew3ith the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gra +3wo-eklpvq3ve y5 n(tings 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 reflt.):+:u0j6n ambiir isw7wm gection 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 interfereimx0-v lr +7seez h1lm-k+.gv constructively or destructively, de1+h0xge-rvvislem m.k + 7zl-pending on their phase 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 traveling in glass, strikes an air boundary, gchvlf0 bi ;0;eptg61there c;vg0hf gi61tep0;bl 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 air, is reflected by a glass /zqvbpg , qw96tztht2a 071um surface, tazu q qtvbw7, 1t 2gt0h9pz6m/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. As the film becoxg9y ow 6/rjq:mes very much thinner than the wavelength of blue light, the:6 w9 q/oxjryg 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 magnesium fluoride, wh ko )l, copa1k*unx3k9at 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 that o klpn3k*x,9c)koo1 uaf 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 pl ;)cz5 b eioyrhpt92j)ate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red5 2p;))cryh zej oi9bt 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 fo xw4x+ f dara/p0t/o)or the fact that certain sunglasses can reduce glare from refl )w/+oodx0 xra 4/tpafected 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 polarizat a jexpwam b(czq 9(-d +-u*rjpw*3u6fion 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 obta *rm.;:hhsg vt;y.wfein polarized light in a dichroic material like a Polarmw heg; s:;v.hry*ft .oid 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 filq,lw6) c 2vic.*n*n tuzblv 5gms are perpendicular to each other, what is the percentage of the incident light which will pass the two* tu,lgz2v nn5*cw)ib q6vl.c films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected frh dt*nhcrg jgw9;d 7 h5iyjn* 0j310arom the 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 18kx9v+jmt*4ehzs a jgreatest 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 diffracws -g n1*aebw xg62r2v:mb j2htion 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 appearsu)m zmo)sw3:52eq oi1 iu 0ris to be more blue toward the zenith (overhead) than it does toward the h3m01os:eqio zumsi))5w2 u irorizon. 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 f7-dhp ef5( 79xkawgnof 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength7ef(xag5fdw -n pk97h 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, wn6.vn(vj0 kfxd k 7msi.3f a*ehich has an index of refraction of 1.50. What is the frequency of the light inside the*ak6kx(f3.nfn7 d v .jsm0 vie 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. 6 ly9dremaleje :*1 .(k;( u1kftetfk It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the glass?*y ft 9 (;ktmlkje:ea1df61kuer l(.e

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to travel, fna 1ewc6k8z 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 founk.hg 8 eruen6uc+ksfr+w,e(4 d 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 to tryevv+wd (3me 13c+g87dzjfb p s0gt9 xavel 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. Monochromatiw6u rp6y8hn;fc light falls on these slits, and produces a fifth order interference fringe 8urpyn66wf; hat 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 third order bright frie.w kebeo(cq/8 w(xz*j k3(vr nge is seen at an(eb8jwq.ck(ewr*z e( ok3xv/ 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 egjv:r cfvgle,im8j68+ la3h ,4:ryuoxperiment, if the 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 o8 rh:ivjg u8velyma,,lg4rj63 f+ c: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 two wavelengtqbae +vp9:e 7av52 yorcfm6(vhs, 750 nm and 900 nm, ref :2+ eocbvyvmaaq7(6 p5v9illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 634 ni7jpbp4u k ,hf 1;nft8m falls on the slits. If there is a screen 6.0 m away, how far apakffn,tbiu 1p48h ; pj7rt 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 lighs69 s wq/dumzz,9me:pt is incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separq,usz/mw6 d9 z m9:espation 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 waz np, zg;tz/ u89mkq5lvelengths, 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 g zm;qt 5u/k98,z pzlnnm. 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 lig.+z cz7e1hg xsun;/n+n)irdo5m 9otght (wavelength 480 nm) and red light (wavelength 1c+. gd smotez5h)oiu;+z/7n nxrn9g670 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. Wha** vs) c+l9br*ewkx as 6.ycdpt is the angular width of the central dif + bpc*6*)el9ysvxkd r*.acswfraction 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 mm23ka ,q msrr.- 4nk 2w6fgjgmq wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two 2f ggk-2q ws . jm6,r3nrqmak4minima 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. At what dwuvgvvn j09-d s ctx,/;sq2f:istance fro2v/vdfj ncxv09:ss-,tuw ;gqm the slit should a 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 incidentm5tvw5v)qn6c yfbt qfs) ,5*k on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 55swv))t5t v mqq 6*bf yckn,fm 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 on a sl vm1s8pw yhp+:it of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the firstwv p8pmhsy +:1 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 , w+kujzsv+1+6axt lh ue,(zoon a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the cexu,1+v,tj sl kozaw6(zehu+ +ntral 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 o:f 8c djc 0*ddvix/ 0blcs4p67000 lines per centimeter, its second order maximudcc* jlx fddoc:s 6/p4i8 0b0vm 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 tn radqrvg,3 if z ,6y6*kqm(k(he central maximum anv 6ird (kyzk fqm,3*ngr,6qa(d the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating thw4 yttr*2(d*yls nyc5at is 75 mm wide and ruled with 50,00sy y (rty*cd52*lt4wn0 lines. 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 wavelength produces a first-ordvee+ qyk)*n 2b3 v pw kpcrpge(x;,i3-er maximum 0.350 mm from the central maximum on a distant screenr*;y)+qvnwepeckx, vkp2p 3i3eg( b -. 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 l)4. r f4hbhmhq ibe6r9ines per centimeter ruled on it. What is the angular separation between the second and the t6hbhf.4ih)9 bmre4rq hird 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 grating. If thm, f 9x-qtvyad*df,be:lz:*k e grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first order?qa db9*:e k l*mf:vz-,xt,ydf

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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 cal:2*hmhptj5 otibrate a grating. If the first-order maximum ootth5 mhj2 :*pccurs 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 is incident normally on a gratinik 2 a02h.pb;9 fyhmc6kqgwg;g. If the third-order maximum of the diffraction pattern is 6gi2 h;aghfkkm;qbc9 . ypw20 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 isb98q8ds0a l5e1tf5x wtqo g09jl 0a0z*myp zs incident normally on a grating. If thzt9 0 qq9ol 0 sl*wx5pze 8g10a8dmafsbjt0y5e third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate a;lpd w ) 6w-(ij)djqxet one end by a strand of someone's hl jdjww-6 ; )e)xqidp(air (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What feqg 5p*j w3cl6 q3i2uminimum thickness of this bubble will ensure maximum reflectance of normally incidentp5qw23*fel ucg6q j i3 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). What is the min1dlq l6b()p)ku ;nik+ja in*qimum thickness of film that will give an interference whe1kqd *i;q)n jiupl( b l)na+6kn 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) onm/s)r wr+r; hed nx/x4 a glass lens (n = 1.50) for wavelehs;rr+/x)rmxd 4w e/n ngth 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 inr7/kqf 9d7g jw a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam r7w9/ jfqgkd7 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 roe lz ew4wrs(nbc:qjf o) 2.;8ntated $30^{\circ}$ 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 imul2 pn 83p(e tz *pr*y:rf2fkn air strikes a flat piece of glass at an angle of f en 3yfrpuz(2:2t 8 rmk*pl*p$57.3^{\circ}$. 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 pai6;l n4ath .hlssed through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzerh6;h4ial.nl t 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 Moon when its image reflected in calm wate3rvnu6a7b9 l4n0v- jg nl6wdir is cw jun-va66in0 l 94r3 gnd7vblompletely 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 polarizer and thr fa*1n48 ktik,+ww oyen an analyzer. In this process, the intensity of the light transmitted is reduf+wtakyior4,kn w 81*ced 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 reflecting offvy a9e gzv spd263h0o. a piece of glass of index of refractio pe.asy0h 6o9gd 23zvvn 1.48?

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