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习题练习：Physics Unit24: Wave Nature of Light
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 84 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test84.html
 作者: physics  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 principle.u n*c-h3p:u3nqsi9 qf
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a false statemqalkq e; yfr6.qe( 08aent?

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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 lis anid *1rz5 wdg.j72fght is attributed 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 attriyq e 0 1vgzco*w;+bwu3t-nowp)k z19xbuted 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 opticga7wawy3 + l,qe+; 2gm7r bfeval 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 (wavv6tb53 2svvauzot4u)elength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.5 v3vt4)u256aovzubt s0), 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)qrlaknd;2jkr ts6e hf6 5(y9 m p.)yv6, originally traveling in air, enters a piect r2 n krv 6qymey6;p .fj5l)k9sa(hd6e 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 fac mi:iz3; 0d k c6zhuh 0*qhx5h-oj)sor light spreading as it passes through a narrow slckhim- ho);six d5:qzh u60h3zajc0 *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 large objects such as buildings, whereamg0 w (bnz+d. 2,zfzwwwa0cx9s light is not noticeably diffrac , mfbag+z.wz0x9wd0(wwzn2c ted. 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 responsib8t 9yaolu/ ,,yd;h hjtle for alternating light and dark bands when light passes through two or morjthod a/8t,,;9u hylye 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 coherent4r :da h7*gmhb 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 whenb8cvc9i g05k d we say that two light rays striking a screen are in phase with ecb9k5 idc8gv0ach other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at pdf ;hyrx i4n9/oint P. If the maximum constructive interference 9nh;y/d 4ifrx 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 4y1:h4pfe rrn f y/+saP. If the maximum destructive interference is to oy/re:hfa +rf1y 4nsp4ccur 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 i4+ z5,m j(qi(hw vt/xr+z cbvin a double-slit experiment, light from each opening arq j 5v +/(xcmh,+vziiwzt b4r(rives

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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 centralkny+.s4qta/ r:9v y/ 2 olc2io5n isqm bright spot in a double-slit experiment9m2nta/.n4y+ 2 5syirv sl qcqo:/kio, 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 centratp:z +r/h g.ubl bright spot in a double-slit experiment.utr h/ p:+gbz, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between tczf /(z+qy f5zhe slits decreases, what happens to the distance between the interqzf/y c+(zf5z ference 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 distance;watu59p0r7wyhfc q9 f l5od1 rk2.jh between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the s 7;fhl0 5rao5tyf 9k1p9c.2jurdwh qwlit 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 pathy:yqu;, vg9*hdvj xu/ $P_1$ 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 eh:i7 ffrz8g y2xperiment arrives at a point on the screen one-half wavelengt:y 8rfi7zf2 ghh behind 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 fringes in a double-slit klkwa 8sahj*dga+ ) 3 ()*irlds*u0 jmexperiment if the separation **kahlr+ j*k) usaa(gs)lw 38 idjd0mof 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 mag6b/ akneso2 d*.ui: exima in a double-slit interference pattern using monochromatic lightdb* /ego2nu6asi :.ek 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 light into different co1mj0qc u.i mtl3,xk l(loi.0lml (1kctujxq, m3rs 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 af *7g ruj8vr8yu r0(xxllows 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 slig-owxe9*h b3i 5s+snopbx9 h2j htly 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 longb a2j5 ix07-mxfsw6m otm0 eb0er 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 lightmhkt* im .c0:* f*mr w29pupgx undergoes the greatest refraction when passing from air to c* xm0* u9r2p mpmh.fwg:*itkglass?

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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 smalleste5517sh s yzne refraction when passing from air to glas 5ns 15sezy7hes?

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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 isuve8 ,my8j9etowdaip+ e 3;q7 incident on a thick glass plate with parallel sides, at an avyptd+q38ea8 e emjw9o7,iu;ngle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds up two finger zaugo71x8y0z*vbacpg-fe + 1k 9kp.ws, with a very small gap between them, and looks at the light sourvayz*coa0zg 18e kg+xu 7w.b 9pp1fk-ce, 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 diffr 3(v/cr0 e8 obx*/kqdcg/ ybataction experiment, if the width of the slit increases, what happens to the width of the central maximum on a screen?/3yr0 *gvakqc/bdoebt8 cx /(

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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 thv/.oycp-zn l )e other one has 6000 lines per cm. Make a statelcnvo/).- yzp ment 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,btrm;.lz5ieg htq/ ++ the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illum+l;zmtrb/t+ihq g . 5einated 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 refle eqf *eaiq 0svsr3q2,5ction 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 conso0y.zg)xjdn;7gex c 8tructively or destructively, depending on their phase difference. One consequence of this phenomenon;d 7cgo xxyg0z8 e.j)n 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 bout +a8 kssw86midc8q g/ndary, there isic+8aw8dgk / qs8 s6tm

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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 f/c vu 770jhuch oq++1ufyl-ereflected by a glass surface, thereuclqy7/e1o ufh-cv+f 7j0 uh+ 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 viewqiz.2t nb,*tded in white light. As the film becomes very much thinner than the wavelength of blue light, i2 dq*ntz,t b.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 flk zlwohd.8-l. uoride, 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 fluori.l dkzlo.-8whde 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 place2z4z xjdejab3l 28y4 ed on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observ4ae 3zeb2 jlxdzj84y2ed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses can rj 7 1x:tsrjtipdvwyw6w,. +j/ekr9n9educe glare from reflected surfaceswjj7rwi9.yp,s nvt:txrj d /we96+k 1?

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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, thev0g k+5z*qse f direction of polarization 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 dichroic7g(y77lfaz-rpj 0 mf i material like a Polaroid filp0-(imz7ygfl fr7a 7jm?

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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 films are perpendicular to each )ttb3f-tzopz s +r5v/ other, what is thes/)b 5ft tt r-+zpzvo3 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 surface of a m j5l6ls*rx q,t+x * hwe:gwqza;*s*glake

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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 )( xt)mrhm3hz*ymc t .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 diffraction NOT exhibiirgu/u7y 60nk 2 ra exh18ybn6sq9.ny ted?

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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 b7n+tlx n7+ rwq ue7-kunmi +n/e more blue toward the zenith (overhead) than it does toward the horizon. This occurs because7nuk7/ut+-nn xr++7i lemwqn

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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, e owz*t84:r t ;3tmu*3lgjh;j)fb ko qwhich has an index of refraction o wuoj;t*4 kqhblzg:m*t t; 8o)r fej33f 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 pashc flu8x y 85dbmyo1.)ses into glass, which has an index of refraction of 1y8 y. f1dlu obmc5x8h).50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelengthp,ljxz+qjm:wwl n : l 0.ec+e0 of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What :c:wl ne wjz +e,l0plx.+mj0qis the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550e3djx(qu9kr(ol76d s nm 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 in air is nzgg5 4mxz 22d7cr9ylfound 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 :7tkgc 9dwd1qin air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falls on these sli1sft *-sdi, lets, and sfl d1it*,-esproduces a fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on qj v 19+3oia /izdj0ioa double-slit and the third order bright fringe is see 0iivdqi9z jo/13+ joan 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 separatios a1prv o5 cx/)8yas.y9w 02jrqozci-n 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 the firspc2 saa-v yr).5wjyqo1ri90c s x8/zo t-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 dz-cl3by a.5icj /-miwavelengths, 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 fringdcy.3i/j- caim l5z b-e 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 v3:ip (s, nadhof wavelength 634 nm falls on the slits. Ifh asv (ni,3:dp there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setupk.hbh1/p m+e7nfph5ov wj)2pmf: t r. that has 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 brige5rtv.1f mb.mw k:)np2p/ho7+h phf jht 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 t ;i2x3m1zsxv nwo wavelengths, 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 1.4830znxx i ;3ms21v at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelengte-f7 mt5v.q8xdfw c(v h 480 nm) and red light (wavelength 670 nm) is incident on a ttvq.8 f7ex5(- mcvwfd hick 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 singleok.p xc7+yne+ slit of width 0.20 mm. What is the angular width of the central diffrkp y7 +cxe.+onaction 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 by light of dn zx 3e)sf,e(550 nm wavelength. What is the angular separatesdz) 3en f(x,ion 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 2as0ti /v:5rvzdd)nvmm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattevv drt/:5a 02) vidnzsrn 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 mmdz57: a- qogv-fji- qz wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wz- 75 gvj- id-a:qzqfoidth 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. An observ/qlva f9umn-b oz*6-.sfqf; e ing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the9 ffa;--6 s o/u*v.z nmqlbeqf 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 slixpd sw *-awf uq:9qia78wme,.t of width 0.300 mm. An observing screen i79d8i-fpa:w a sxw, uqqm*w.es placed 2.00 m from the slit. 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 gratmx pdm5;h rw-5ing with 7000 lines per centimeter, its second order maximum isxph5 mr;mwd5- 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 gratinrg/c s x pw6t-.hwg(m6g has 5000 lines per cm. The angle between the central maximum and the fourth o/6 cm-g.tr6h wgs xwp(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 incident on a grating that v ca ;fc1waumk0bd(14is 75 mm wide and ruled with 5( mf1db1wk 4 caucav0;0,000 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 produchbj jiu zr (t 0n(m)mpgq0(./ xnar57ses a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mmrbzg )s h m07(pumq/jt( nx0n(j.ra5 i 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 nx9qto -ra ta6hxpc* pa.zi:2+;q2bt . What is the angulartq ;:t+9ca6atx2brxiz.pahp* q n2o- 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 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 spread5nhx u1p0 ri yc62re.q out into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appe.x6hrip0 nre1 2 yquc5ar 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 ufoax nn72j g2+sed to calibrate a grating. If the first-order maximum fxnjg2o+n 7a 2occurs 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 grating. h;rye4 g zkt(65qybi5c(m n,gIf the byk(g y5tqg(hn c6;rei, z 54mthird-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. agc 12 mieg2s04+c,enu:jgvn If the third-order maximum of the su2:c 1c+ vm2, genean0gij4 gdiffraction 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 glassb sqz 36bf .ys*z+x:zj 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 of wavelengt yfj*:qzs.+zxb zbs63h 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 minimum il:;e gc /zwbw yfd9f93gp ,2ithickness of this bubble will ensure maximum reflectance of norma gf/bdce29 9wl :3wy zfgii,p;lly 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 5fma5/1qhohn9nlz,: x00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normallqf5/haz1n,mn9x ol h :y 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 nonft kfh,w,.of8/jvkn+ reflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 5kw ff/ t.n8fv, +ojhk,00 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 unpolarizedk ;fvo rp)/f1,bo1cx n light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred directi,f/;rkvxof1 on c1 p)bon 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 prefe+s3/ a:tywt3o1h ax mwrred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a fllr nb0zyycrey*k 4) 7.at piece of glass at an angle of y *ncr 7 0r.4yb)ekyzl$57.3^{\circ}$. 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 through0 y k:v y8l01,jcrroaf a polarizer-analyzer combination. The transmission axes of the prja0 yclkv0fo8: 1,r yolarizer 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 horizon is the Moon when its imagej xiq iap.uowxf(*vz3a6q9i x6 u;x/9 reflected in calm water is completely polarizejui9*/ vx xpwqz iqf.9( a6xa6iu3xo ;d?

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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 then an analyzer. bq8b; okh-u 9c+nci1 tIn this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the-kc; ch+ ui9b18b qton 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 travel-b rksx10 t vy,tpcyos4i38.mezh/ +ming in vacuum and reflecting off a piece otoct,3yphm+s1k4 xszmbi- 80/vy re. f glass of index of refraction 1.48?

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