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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 princijwxy-m 2p/6vh n zxb43s 24eyiple.
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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 f. lgzszi99hk99sv+ aob;zu2 dalse 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 attributed b g,a,gtu/a (sa 1ckz-mq8l *kto

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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 isy/x;)gyb5zkjesq 38y,w y9vf 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 diffeb vjq.hp3a (sgi:50g1ldzz +-+ny ty erent 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 (waveloc826-axxdc7 x 1yx esength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its fr1xe8dx276cax- s yoxc equency

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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 in1t wk5ipkpxp 4u+jm1) air, enters a piece of glass (index of refraction 1.5w5)1+ixp tpmjkpku 14 0), 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 responsib 2nn;ahc36 cuile for light spreading as it passes through a narrow h3nauccn 6i; 2slit?

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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 buildinhbkrz6*nx/ntnh -o4al 6ms61 (ctvi:gs, whereas light is not noticeably diffracted. n4x1-6zsck6/ i*v6m :n(rattlho nhb 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.7zlgw : yh)4eflowjrq2+w0 h for alternating light and dark bands when light passes through two or more e h72w)wwjlf0:zq.4+ lgorh y 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 epe615gi0olbtwyl:fi+( rb, 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 sgydu )b( ha)*nay that two light rays striking a screen are in phase with)uhy)b ag*(dn 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 li qnxhrm; 5*xp-ght travel different paths arriving at point P. If the maximum constructive interference qxn- rh*m5;px 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 lightsq83rw0,u f9(mcbu ga travel different paths arriving at point P. If the maximum destructive interference is to occur at pointm (rs3w 8gb cuf,u90qa 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 a doublehy),ru;j.o r*0l( chb zz l eibx8-e:t-slit experiment, light from zr ry)te(h0;,c -x b:ol8u.lbh i* zjeeach 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 central+*x2miy :i cpv bright spot in a double-slit experiment, light from eapc x *+ivm:iy2ch 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 (ihtt tohe-vz;s7;6:l( sszf a double-slit experiment, (f-iots;;( 7zse:t6t hh zsvl 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 ty0kgzk,vtz- jiqn: qkj8;98xaaj 5t- he separation between the slits decreases, what happens to the d:qzjjxant- 85zg-;aj yktv qi80k9 k,istance 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 observndq9q0a:;u fq4 xxnr3ed that the distance between adjacent maxi9qu;4x30x f: nrqqnadma on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light trav ndh:ha5h6i)n els path P1 in arriving at point Q and another coherent beam travels path P2 in arriving at the same point. If these two beams are to interfere destructively, the path difference P1−P2 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 ) ae85skguq(mdouble slit experiment arrives at a point on the screen one-half wavelength be8qs5kma g( eu)hind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fridz-mvx0 v2u y4a)1s yinges in a double-slit experiment if the separativv4zs-0 ) yd ayxm21uion of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima inh1qq(-t58t x7y/ix9ddp gucru0-s nl a double-slit interference pattern using monochro0nxt-9 hugt7yx ds5r1lcd8/i (- pqq umatic 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 exsl,zkej 7yn/t 8o: 0vlgu f.l3p(ka7 qplains why a prism separates white light into different colors isjta,0g:/ 7f zlull8yp(o3 k7 qnk.evs

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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 fok-7l1uje uz* jrm 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 ca(1en70fig ojklled

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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 lon81qfy2hj0od xxy/ i2 wger 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 the greatest refractionyo 5a+4ucc ud( when passing from air to glass? ucdc(4+u5 ayo

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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 from f6 wj(j65vkfkair to glaw(fk65kfj j6v ss?

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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 glassg-*jif (/av1eeh5 3c+ouj6*qn vqeus plate with parallel sides, at an anglho e1gjn 3usi+ eq*aqevfvuc j*(-65/e between 0∘ and 90∘ 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.vnfastyxw2 2794 wq ,m8tg8nh If she now holds up two fingers, with a very small gap between them, and looks at the light source, she h x,swm twv 4f9nq2y87gtna28will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit in jxw:lx do- nm8:ftj4y 6g86kz6eoa 3ucreases, what happens to :glo jnxf8xy 4m-kwat3:u6d j6e zo68the 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 400x)l ic2)zz6ju j7+fops*)akt 0 lines per cm and the other one has 67jt)szxjz )ak62ofp*c+ li) u000 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 with the same slit .4wzp;c 1l alh* 4powydmjfz5 n+3e*cseparation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratinge3d41 4fw+ljnp* ;lzhcw yo 5*z.cpams 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 caurq+06yrc (z+*dyqy6g y gs92y+ni ml t/jv n+rsed 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 wave3it:z.ye .iajc4 nmhf9 : :zagx53qyj s can interfere constructively or destructively, depending on their phase difference.i 5fn:. 3zayji j: :mt.hgq3yc 9ze4xa 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 glaacf1)8lcrhk-k * sdp9ss, strikes an air boundary, there is)akkrds f9 8* -pclh1c

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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 ge* h58dgrkwjvxxw- fqvh99:4lass surface, thkhj: hq4e98* -5d9 gf wvvxwrxere 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 light7lle*jtfx 9;xy 84xgw. As the film becomes very much thinner than the wavelength f9xg; lyt78ew* 4lxxj 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 inbqcz4/s 32gw j magnesium 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 wavelengsc/4gj2 3z wbqth? (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 g8i mv xrj- m qi9e-j/-ek-p0 djpd.-ijlass 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 glass p qmp 9dv-0.jj/ i8--mikei dex-pr j-jlate 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 suguv9 g 1kzy vef(/;8ibnglasses can reduce glare from reflectek;1 fuy8zvg vei g9/(bd surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is defined az cfq t;v:l*4zn,1xe mfq3:uhs

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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 polari+) /bzp3ns heozed light in a dichroic material like a Polarsn hz+/ebp) 3ooid 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 Polapu8jb8r kmp7o1 n2t6froid films are perpendicular to each other, b6r2jkt 17f8mu8pp onwhat is the percentage 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 surfoey hs:(8 oler5z k5k2ljcu- 7ace 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 sunligh9y(iq6j pgb+ wt 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 followisped3m u6v)in0 j r61rppn4wj7 3v, qong 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 w46tgj*x 7cjc /qr5n;gcpsd*blue toward the zenith (overhead) tha4 g/dswcxcgcj q7jrp;*t6*n 5n it does toward 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=5.0×1014Hz) 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 a5 vd/d8wv 4fbvacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelengthd/vfw a dbv548 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 )2ry l)3mhioiin a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the lightmi)2 yihro l3) 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 passes into glfqo8 5tv aqy3j0 s43a:vzdy)vass, which has an index of refraction of 1.50. What is the speed of the ligavtos50vfz qd8jva 3 y)q:y43 ht 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 vacuum is fol5d+) jir pp,cpi3.e vzb/i x;und to travel at 1.96×108m/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 nmdz.ayu)/yqb e4r,3z +m: sw si in air is found to travel at 1.96×108m/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 )+q4axkz o*wdto travel at 1.96×108m/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 apb0g-zx gwg)d ;y.br 5aart. Monochromatic light falls on these slits, and produces a fid gra)y-g b;0g5wzx.bfth order interference fringe at an angle of 32.3∘. 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-slit1tu-p *l v0y/o6 cupnt and the third order bright fringe is snu1cp 6ul / y0vto*p-teen at an angle of 6.5∘. 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 between bq 9/e+mip8dpb+y(/ 7zhooxqa+ :t+f (yaq mn the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacinz(m7+p qdtm pqa+ay9i ybf(/qn:/ ob+xe h+8og 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 se 7z+c(qqx s/ j+f+sumhparation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is pcju+z hq7qsxs+m+(/ flaced 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 v1 496:w l/pojcay hupmm apart. Monochromatic light of wavelength 634 nm falls on the slits.wppcj/6 a yulh: v14o9 If 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 incideng;xffjdkd9+ujgn5 3 pj3;) ugt on a Young's double slit setup that has a slit separation of 30.0 mm. The resg3j n;f)j d;jgg+uxpdf93ku 5ultant 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 wavelengths, 480 ,g-j3oig dol 0s*.elonm 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. Determin 03g.le*go-dlis, ooje the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) a6bd.mwyj3yyqy(ys;ekedd zg v) +3+8 nd red light (wavelength 670 nm) is incident on a ;6+qg3( 3y.ze e+dysyy)vw8 myd dkjb thick piece of glass at 80∘. 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 p8a+c rab0vi* on a single slit of width 0.20 mm. What is the angular width of the central v8ibcap ra0+* 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 jpkke;:;99/:m s f bkj:lwhvc by light of 550 nm wavelength. What is the angular /lhmwj:k:b9ck p9: ejfk;;sv separation 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. At what da ad68s/j,t9w rr2 xdoij k8q7istance from the slit should a screen be placj9 jrax 6kdo8 2s8iwqdr7,/ta ed 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 8zb 3gv:9 1rxw7k5anjm bsbs4u p 60tkon a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wisz bu4p6wk1kst3xrjg5 a 7mb0 8n:b9vdth of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. la43j k 3;w ouf;x7(iki ci :0drlk1pi An observing screen is placed 2.00 m from the ski03w37r:k;d( cla i1;xolii u jf pk4lit. 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 iss1i 8u*rmonnwvc* (h3 incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. 1 uo8i* (w*vnrc s3nhm Find the 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, its cfm ,blvi(o6ttq -v4;ru* +fisecond order maxim i(-vi4u v*+; f6rfct, lqtmboum is at 62.4∘. 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 se34 .*cb bktne(*x: b 3a/g2vmlhg:cbzg qn2central maximum and the fourth order ma . b* zg324 nbshqa 3(n:lvbmb kxeeg2c:/tc*gximum is 47.2∘. 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 gra6 lo, 0pxm9n+p 6c( d pnal/szr-ogu+lting that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is06 rdlu-n g xp6s9plz,(ol co am+n/+p seen at 32.5∘. 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-op .v0ej kh2 3ispbjd2(rder 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 it2p p0.3d 2( jjbsvkehi 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 rulw26 p;;:6sjtmqk rya pjikn:(ed on it. What is the 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 light of wp6y6;iwsp2 tqnkrmj:; k(j : aavelength 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 h7i95m mrty8vuvin 4-p ues by a grating. If the grating has 2000 lines per centimeter, at what angle will -59v74 nm irtpi8yumvred 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 t2wqu/x 5agnd0l 9mp)no k 9rh;he first-order maximum occuku9wg h omnqnrx2;l0d5p)9/ars at 20.5∘, 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 xu6kb+ft 5e5 gnormally on a grating. If the third-order maximum of the diffractif xgbt5e6u+k5 on pattern is observed at 32.0∘, 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 wavele6da upe,r -xhrh(mvn gu/80n1ngth 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattr8r-v p n1gu6/hd,h nmau(0ex ern is observed at 32.0∘, 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 s 7-)u t p2esb6vkk-jhj+zpv9long is separated from another glass plate at one end by a strand of someone's hair (diametevbj72kvse zpj-t) h+-k69spur 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 in2i : zeyged7yt,,f0 uhmd5h;r+f qgo4dex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectan de2hfih,u7,t dy4: mzqg+5ogrfe;0yce 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 illumi3dym3p org cav/la*nh t-v3r .(0i5d dnates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normalo -*0dd.nlr 3vm3crph3 tv5day/ i( galy 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 )i ,biisno 5n8(n = 1.30) on a glass lens (n = 1.50) for waveleng)in,i bosin85 th 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 i9kev1db b :xtmdpb3+5ntensity of the transmitted light is 1. A second ideal polarizer is pldd9veb tkx1b 3:+p5b maced in the beam with its referred direction rotated 40∘ 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 rotatibn)ou 2l v2,ued 30∘ 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 of glass at an angle,u80i f: o)3o6 ulhu:wdjv o4fs9tbbn of w 4tf 9d u6job:v o3 8fu:o)ul,nsb0ih57.3∘. 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 pasl;ref wid9ff* 2+a(etsed through a polarizer-analyzer combination. The transmission axes of the polarizer and the ana2t *ewfdfl;i+ 9(e afrlyzer are at 30.0∘ 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 i:m ss:)a7.hoq znv.gqn calm water is completely psma.q )noq:g shv7 .z:olarized?

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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 ani(ov(ki rm kjt92 *,,,jocpnad then an analyzer. In this process, the intensity of the light transmit om i (ci2,, 9a(vjrkj,*tnokpted is 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 travelinvkncy l4w u/rbnv10+; h3 -g9 eyv:cjdg in vacuum and reflecting off a piece of glass of index of refractuvw:/dgvve0c y; +jyb4 c31k9rnl h-nion 1.48?

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