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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 princi8pv 2v9;khp7*s l9 b my0hxnwhj5q2bfple.
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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 s.ieyl;fbf 4ux/b6-v alse 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,wmxlw1ne) * k9* i0v8pcvzsp to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attrib11qfs1 z8icfhjoufd90 j5r7futed 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 opticali ( r*-i6drv33xdv pvy 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 ft):(cl()e ehqc + xyx(dwz6i in air, enters a piece of glass (index x(l(:x+fy t)dciz w )6ceh (qeof refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling -a6 yb8i h )+(fkaxcpjin air, enters a piece of gl+hx 8a (if6bya- jck)pass (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 sprl vja* )k9blz,u1aypz,,q3hysfb - h8eading as it passes through a narrow slsb kuf )y hh,apylza,83-9*z 1qvblj ,it?

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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 larxfj ;x*r r4r2sge objects such as buildings, whereas light is not noticeably diffracted. Why is th2sr 4rxfjx*r;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 alterifucj f:1eog1 zx* (d(aa2s z1nating light and dark bands when light passes through two or z i*(a c12xodjf:g1azu1e (fsmore 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 th)i z)qm;b( i zl4exdp6 rui4p6zykn7/ey

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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 ipi q(9hh2 -ubin phase wi9 (hpquh2ib-ith 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 traex3j2a eb q;8-iw pk5svel different paths arriving at point P. If the maximum constructive interfesw5 e2pq8ji; b-ek ax3rence 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 arrivinunmuqfk +z4+*g at point P. If the maximum destructive interferenc+q zufu+mnk*4 e 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 onw 2w+h6mq:fj d)fnuv- either side of the central bright spot in a double-slit experiment, light fruhnfw-6v: d2+m)jw fqom 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 eithe:( o-zdj b-z-qy. ndllr side of the central bright spot in a double-slit experlqb z-dozj-: nd(.-yl iment, 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 wqrjj jpfik dsck60 )o7sf4) /*jd)f(the central bright spot in a double-slit experiment, light fromkios*)pd(j sfwjc)qr7/d06 fjk)f 4j

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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 tenb u:8twc+ 1fhe separation between the slits decreases, what happens to the dis+ue :ctbwn18f tance 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 that the distancw y)m0vckwz,0 e between adjacent maxima on a remote scre ,)c0wvkywmz 0en 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 travels patcl8se b oznx.a4vjy yh+s183 7h $P_1$ 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 arrives5bqu60fgj8 hod(6y ur at a point on the screen one-half wavelength behdu 058rbq oy6u(j6gfhind 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 interferenceik,nv* clhd+yfw;;;q hmi -dsvev j c 2w01e+, fringes in a double-slit experiment if the separation of 0v,q fc iidwdlec+e hk1 ;*-;2m,s;wjvynh v+ 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 in a double-slit interference patterqy-l5 aatx m3b+l5x0s n using montybxl 0ax- lm5 a5+3sqochromatic 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 whewv v)c,) .0x64 yet0jrjop vxite light into different coloxex ,) j0rp6tjy40 )vov.wcevrs 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 alloww+ek-ydwvy , 1 q.g4ifs a rainbow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm is cagk)dxo7 ,x2ny1a b-(c 9.qkx63o;m qgojj nydlled

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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 th kgby fx,ki47 wsa,h(*j86io uan 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 refraction when passing from air p6t :ewt+ov5j 9gd6xito gdv5t+poxg: t6j6iw 9e lass?

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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 passiyhtr*q /.c *k/uuhqt( ng from air to ghq uk /tyh*.cq*tur/ (lass?

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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 6xch,j3vw a f4on a thick glass plate with parallel sides, at 4fw6jah xv,c3an angle 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 s:3u71 x cmmpu smu7-yihe now holds up two fingers, with a very small gap bet7:c1 3u-ixmym sp7umu ween 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 tm t*j1rudgjwwq15u12u t(z,j he width of the slit increases, what happens to the width of the central maximum on a s t*jtj2511 d,(u 1qgwjru wzumcreen?

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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 40006lp dp7thlqw811jfdek ;/ 1zk lines per cm and the other one has 6000 lines per cm. Make a statem7 ql 6 dpkh8ej/1t1kldzp1; fwent 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 s ym;q4c5ngyf ,c7 jxu8 okux:p3qf/*same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic , u 4f kc;gqyc*8fpm j7sxn 5:yu/3oqxlight, 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 budi0y 1-r7u*bazs- gc y 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 waves can interfere r-lu g)7.)kakd/ x d3yq cyt8dconstructively or destru3g adly)kr q d/dtc.8 7yk)x-uctively, depending 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 bo6lk ud -c*bbybs,:,pqundary, there y,:kbcqusbb6 ,-ldp* 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 2jm,7jd xk8(1y pi1k;5cie0egr qege is traveling in air, is reflected by a glass surface, there ij kq5 0m8p1;ygkxe e1icijr2 7,egd(es

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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,4hd knv:3rurjk:q b / white light. As the film becomes very much thinner than the wajn/k h4 ,:bvrdquk3:r velength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluordty a8g1t1jklyv 8* 7uide, 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 that of glass and 8 1*uvdj gy tyk81lta7air.)

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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 txm rf/6dkwjj 8d7azvdc ,*9- on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glassj 9*x6 ra7/-fc8km dvwdzt dj, 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 sunglasses can reducli9 knfz*kkeq7b(5 cffnso 0 0+is;-g e glare from reflected sure9 gfnkn;+ f 5ls z0si7ko( b0fq-kic*faces?

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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 po g0vqe80rdp ps +xwg8s*:e /falarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroicv(1us)x; pjp:hzyl z/acc/ 2o 5hnmx* material like a Polaroid film? 1lp:j ysh*2/ 5p ;)nxcczx/vm oahuz(

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission - jttra7/)z ipr3os -ceom 4pvf;9 :/7m ovjscaxes of two Polaroid films are perpendicular to each other, what is the percent/jro ot7ofjt34-pva9m) mvp-7z c;s:se /ic rage 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 surface ofes +zfp3 +*fu+4jjr .zmwq;l l 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 sunlighafk3.*a;hpyy o*cdl50 v v ak8t 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 diffractg*7 4gt(fo)k vw x vnwnh-dt77ion 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) thqb f;qrtud + p44l4er9an it does toward the horizon. This occurs b4qe4t+ l drqpubr;f9 4ecause

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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::*)ic jkoy.czpf 1wjlass, which has an index of refraction of 1.50. What is the wavelength of jwf1p:* ).cykizcj o: 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, wh9q zr*9as8vku ich has an index of refraction of 1.50. What is the frequency of the light i 8u*9va9qr zsknside 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 glass, which v(dm81 noo l)dhas an index of refraction of 1.50. What is the speed of the light in)o(ld8m1o vnd 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 n 3hx3/p, m/qpcir:lhnm in vacuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm incjxykv44,wnsxp *w;+ ) y5eqf(pw (h k 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 to tr*3je2swp2 h4 xmvd85 fn6udghavel 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. Monochromat7r 9o;ob (xft g g8fzxqv;5iz5ic light falls on these slits, and produces a fifth order interference fringe go9gfrxtov x ib5qf8z5;;(7zat 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 thiri8q(;rpwt s/ j*qs:zh d order bright fringe ; rz8qqh/ (jstip *:wsis seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the twf kzp* ,x2s0k ;fg*qbro slits is 0.050 mm and the distance frok*2z0 *;, rkfbfgx qpsm the 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, theh6+odhjwyr (/ .w t)ka slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the sl (whyr/tj.) hwd+6koaits. 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 nm jhja4)5f7kc uc 7 x8xzfalls on the slits. If there is a screen 6.0 m away, howkxac8)jz7x 5j4huf7 c far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setup that 2 dll/i*humy) 5( ousohas a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-uo ) (ud*iohl/m25 slyorder 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 nm and 700 nm, strikes axes, *jr f(r (esdk0t- 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 exfsj-ed *(0r(sk t,r700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and;eum +w xv: 3dp 2)kr5msnp;lh tqj)7j red light (wavelength 670 nm) is in)re:j7px+ kst5whjun ;p3qdl)m; 2 mv cident 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 sini5wcdmf:yrjce m c c()n-16o1gle slit of width 0.20 mm. What is the angular width of the central diffraction p cd1-ecmw( n5j:6om cycr1)fieak?

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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 wid4q(frd (0zput e, is illuminated by light of 550 nm wavelength. What is thqurtd4pfz( ( 0e angular 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 ok mm:+-ht rpugb5nbrp. r oi/0as+*9o,wv 9sis incident on a single slit 0.75 mm wide. At what distance from thsi b+pbmp.5rg 0w9o*um9 :n,- /orhas+k ovr te 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 incident on a slit 0.20 e ( cd2ba 0gp9krv:y gp.y2ye1mm wide and the diffraction pattern is produced on a screen that is 1y y.vpabr2( gg 9y1 2:pedek0c.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 incw v4x0o qu 8quabx5-:dident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center ofu0xq: v8ab5o-wxdq 4u 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 of width 0.300 mm. An obupffnieq5 hb 82s4l 80lxrd+)serving screen is placed 2.00 m from the slit. Find the width b0rl5ip +qhn28e 4 uslfd)f8x 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 70r;; k/5:p zrggvl+ rsy00 lines per centimeter, its second order maximum i vr:5l;;z grp/ s+yrgks 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 5j0 ) iejb.8as1dt0rkp nx5xk lines per cm. The angle between the central maximum and the fourth order maximum ixa51jtid0 k.jnkb ) s8p0r5x es $47.2^{\circ}$. 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 that (1xsi t7rlfakq;y+c* is 75 mm wide and ruled with 50,00xikr + f;7c1*(yasqlt 0 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-zm(;b:ldv g+/ 5obpjp7p:i vporder 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 ipp5zb:gvl jmd:pb;p+/7v (o 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 pernyh;ayxqm 3xqi34g 4: centimeter ruled on it. What is the angular separation between the second and the third orders on the samem n: ya3qgi4x; 34qhxy 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 the grating has 23c- 1vi ozub6g4q:on g000 lines per centimeter, at what angle will red lighq oz-g6ugb4c: i3v n1ot (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. Ido .f03 co6wlwbd7v:r f the first-order maximum c:760l o owwvbd.3rfdoccurs 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 kq78 nmzen4;qof wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction patm 4k;qn8 z7nqetern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally ekn tb9z(6j4ywvhgee9zt575ur wr9c8.6 t ovon a grating. If the third-order maximum of the diffraction pakhz yw9 t8bv 6v(eteuj94z.o6 5gr9c5we7 trnttern 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 separakecyl s/ 57wy 7c,q-g5fh.ip bted from another glass plate 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 light q7b,e/pch5wlgf.i-sy 5 7yc k 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 indez5g8j* jgefld )by97y x of refraction of 1.33. What minimum thickness of this bgdzy)7 yef9l j8gb *5jubble will ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( yhya;gmjx c5/ * 3gb*fn = 1.33). What is the minimum thickness of f3/a g5m yb*yjcgxfh*;ilm that will give an interference 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 = zdrf ny7g0qn, sqpv;,1s6z4 q 1.30) on a glass lens (n = 1.50) ,;gy q7dn60qqs1sz4 ,np f rvzfor 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 ofedav(03iltrq -l rmggj-c+es:0 (qg 9 unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam wit gqi0(ltgg(vdmee 3cs+0-r- rq l 9:ajh 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 diraa nour6h ,k9oal:l06ection 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 of glassx d,4ukqou:hb :fub36ucq:a1eq d8j , at an angle of ,8qukufxo1a:6d jdu:qe4b3 h ,ub cq:$57.3^{\circ}$. 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. Thp,s/ px (29kln+yg kzre transmission axes of the polarizer ank ,xyl9g/+skpz(r2n p d 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 horizon/nj hv y0jwu6z8 11 mhltlw0p80oe ;cz is the Moon when its image reflected in calm water is completely 0n8 hcyol8e t0u;wph/ jwz1 0mvzl1j6 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 po)kfa p0;( zv3lvh-leolarizer and then an analyzer. In this process, the intensity eh-) z;vlplo(3vakf0 of the light transmitted 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 an*k2fc y p,zcz:t dxqw.t)p+z h6ikj/3gle for light traveling in vacuum and reflecting off a piece of glass of index of refraction 1.48) d+c:ctyh* 6z3kip jz tzqk.2/p,wxf?

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