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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's principle. : s4jbgtm b1ehqm1t4(
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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 fp.4 c iflz/3oxxy+ kv9alse 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 lhw )+ 5;lbtlro,mv 3nuight 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 a . fuj2, :hny4,.1yiore suaadttributed 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 optical 9zp , 09jimhyu/xj.6 k l,ivujdensity,

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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 nmi02ywsmrz0z-f8 4jxq*la z6wur:f r2), originally traveling in air, enters a piece of glass (index of refraction 1.50), uim2za -0f2wx 46 s lzy8j*z :rrrq0wfits 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 tragm4kgk *3)flnz6ne vng2dw 4- veling in air, enters a piece of glass (in64kv k*fnmn4egl3n)g -2 zwdg dex 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 spreadin ty-a 1h*v0kfrg as it passes through a narrow hy01*r-ftk v aslit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffract/d-ier -87)kpbuaa a (fyvis* j2b3 /mjs cc;eed by large objects such as buildings, whereas light is not noticeably diffracted. Whyu*vp/b)cmb ;i8j e(e2 a rs acfjd3/-7kai-ys 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 responsicae.a) / w6fb(h vkp5gyr;rjvr9/)h cble for alternating light and dark bands when light passk;) rryar/9 fhcg.w(5vve)ab6 p/hjces through two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said orgz)t40k3u 3k b6hmj to be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say thatenaeq o n/7ay 0(w*as7 two light rays striking a screen are in phase with eaan(0e7yq a*aw 7/neso ch 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 p*lw0se nbb+-mi)bf*hs os0n 2aths arriving at point P. If the maximum constructive interference is t *so s )h20mfn+nws0lebb- *bio 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 differen)r*g omeb6*(s syjbm: t paths arriving at point P. If the maximum destructive interference is to occur at point P,** (js:bobrg6)emmys 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 zzln9k)*8 iil)pkuey()9 e,)j vnzardouble-slit experiment, light from ea)*k9)laki89rejn) )uy ( e nivpzz ,lzch 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 ein7r tag .k4m6uther side of the central bright spot in a double-slit experiment, light from each openk467 ratm .guning 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 ofre6a:j;tpakb q)4 v;s the central bright spot in a double-slit ee ;kap:bt6v j)s;4raq xperiment, 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 tht 0xqqmz0 tsn+6j e:v8e slits decreases, what happens to the distance between the interzjt xvn08: tq+esqm 60ference 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, i.a yaqs vo+*:xt is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance betweenxas*+ ay :q.vo 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 :h5hib /0 m4ed1yq rsqtravels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit exper 8.s f6/s 4nl/5fbhq jfvgwys;iment arrives at a point on the screen one-half wavelength behind the wave from the othe swyfnqh s/gfl 5f;4 sb/.8vj6r 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-sm5l5b:: v/(rp f:qmjdus uv*tlit experiment if the separation of the slits is less than the wavelength of the lightf(lj:tb/: p5qdvvm m*u5rus: 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 adja) d3ua.hextx 4cent maxima in a double-slit interference pattern using mau).dxxe 3th4onochromatic 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 separvnrm l70kbe;9ates white light into different color9;le7 bv n0mkrs is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a- w;7liy wf. w2l/f3ftrxuw0h 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 0doe85gzu n qi,ub5 9v7m,ss ishorter 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 longer than 750 nm iyrf la ptfiajhpb83; yx 9o/ 8o7*5ix.s 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 t1dnevhl b( i1-o glln1eb di1(- hvass?

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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 underzy)t 0y p vkxre7-;s b-wo0u:agoes the smallest refraction when passing from air to gl7skv )a0uwyto0r y-; x-:epbz ass?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate withav8+8 jjjjoa* parallel sides, at an angle betweenao * ja88jjjv+ $0^{\circ}$ 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 onyv b,o9o/p(he now holds up two fingers, with a very small gap between them, and looks at the light source, son(y oo9/vbp,he 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 the width of the slit increasb 7m3 c8n0aawbes, what happens to the width of the central mbaw 3ba0nc8 7maximum 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 diffractiohw)hqsi,x -uh 8l;oeg p m s):-yho1,rn gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion l-s1)omrx )qh h,h,u -i:e8wpgoysh;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, the oidq , :-0x9n thguk v5y+ksku5nly 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 light, make vk kid:5 yu+g knstx5uqh0-9,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 reflection anu,k6yr)(c e )fupu .kld

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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 constructively r,o xmgi/;w:gor destructively, depending xgr i:;, /wgmoon 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, s xsn htvt11,pw*y)qi2trikes an air boundary, there1v *w,q2yinttxs h) 1p 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, whi-e.:k km wr2yrch is traveling in air, is reflected by a glass surface, therek:e .2mk rrwy- 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 viewedofg: cd/9ig blb(6v bm9i. p,q in white light. As the film becomes very much thinner than the wavelength of blue gmdbivb/9p( 6o,. : fb9lcq iglight, 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 tq7 1bib-ax,nu/jjdrle - 6z) in 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 wavelength? (The index of refraction of magnesium fluo-e/rt-61,)zbxjlqj dina 7 ub ride 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 glass plate and illuminated from above witowivc,qoe7). 7*v x4ryh k q-zh mon7 q7zc, k v-yvew.o)rhq xo4*iochromatic 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 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 fowxyzh 3km37,er the fact that certain sunglasses can reduce glakxh3y, 37wmez re from reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction le-b5v(5)nvgzog nu i1-or+m 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 l/hm:r9 :l/f5 pqtu exmight in a dichroic material like a Polaro: :tlfe /9qxhp 5urm/mid 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 films are perpendl k-tw +s:lrsbo3(i lx dal754icular to each other, what is the percentage of the incident light which wxls st5rd:(3o7il+ ba-l 4lkwill 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 la :z,bpagfye h:pl421as z e63qke

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of s (*hjvzfa /d,: tmgt2kunlight 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 followin fkh:, p :p06kcld3ptdg 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 blue toward the zenith (overhea: 8)d8pl m 4rhvuroyj-d) than it does toward the:ohlv )y4-8 rmp8djru horizon. This occurs because

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glaiu s 3g6hw(lvlntq 8+ n292jfyqmq8j *ss, which has an index of refraction of 1.50. What is the wavelength of the lighf2ltj9+svh 6 w *j3i28mnqql uyq(g n8t 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, which hat l)v4 f*r1c2sz uh2u rjd64 7ek:uxajs an index of refraction of 1.50. What is tl xr*u6jk:jdf4th27 )4 1ru scvuzae2he frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm oj.aw v5b)kxd;uv :3jnkt),bin a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the glav n.3ok dub) bwx5:j,;j)at vkss?

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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 fyi*jo-0 0lf*srmojpu1v*lc 1 ound 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 go+8v +v anas4550 nm in 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 tb *e)s/( bp(6 jvbiv ld(aw t(t3mff/eravel 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. Mo6eso2v)kgz5-; h q )wqd e*cfcnochromatic light falls on these slits, andog2ehfk)qdqz*cw-e 5 )s ;c6v produces 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 a do*prmw-w: o+ rv+ wira*uble-slit and the third order bright fringe i*w amwrr* vi+:+wrp-o s 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 separatiaa2 k ,ec gln9is;8:lton between the two slits is 0.050 mm and the distance from the slia;g2 9l,la ske:8citn ts to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two (0a p4m r0mvqcwavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m fmv0 m a0(pcr4qrom 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 v*/esyg w j(0umm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how fay geu 0(sj*/vwr 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 doub7h7.libs; r/bwm q;bole slit setup that has a slit separation of 30.0 mmlhbrowq s7bi;b.m7 ;/. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm, strikes3g hmq+5l)f mu a plamqhg)l 3mfu+5in piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the 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 : 7 vbcsij;gq.light (wavelength 480 nm) and red light (wavelength 670 ;s:7. bqivjgcnm) 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 orm:4lya,+fahm qmx (n 6i f.k4f width 0.20 mm. What is the angular width of the central diffraction p k:mmri6h+nfa .,l yaq4x4mf(eak?

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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 illuml)cq y(q5q*lxinated by light of 550 nm wavelength. What is the angular separation between th) yq x*(ql5lcqe 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 s l+ghvv95;cq y0yymwr nz3m;5lit 0.75 mm wide. At what distance from the slit should a screen be placed iy nc9yh55;lvgw03z ;vqr + mymf 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 mm wide and the diffractiooos*hf)c, -kcfcfxjz cp+/ /8n pattern is produced on a screen that is 1.5 m from the slit. What is the width of psj*oc,/+ kf8)c/xzohccf-f 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 incide93 po osn-*lhmnt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the ps ol9o3m*nh- position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is ik b*lq*b4rl2 gncident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. k g24lbr*l qb* 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 ,qy0ev 7cj opk m (qomyr*02y+grating with 7000 lines per centimeter, its second order maximum is a0jo,p+ym k7yvqc(y rqm*e2o0 t $62.4^{\circ}$. 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 line0i(pyibag s 0w -i7pnx5h;g7es per cm. The angle between the central maximum and75iigx0na;pb sy7w-g(i ep 0h 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 o/x4ip:y9vv ;5bx+ykzx rh1h vn a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is hbvxxiv4p;: vr91 kx/+5 zhyyseen 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 of35m vi :gx2)3pkh7lfu0xivif 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-ordig 3k )xii57 vmu x:f30phlv2fer 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 gratingx d))t-j*b c6xt9vomy has 6000 lines per centimeter ruled on it. What is the angulax*-djy)t c9xt6b o)mvr 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 spreazx9dkrz csr1 ,o1l+ h5d out into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640,c kd1 z9or5rx+z1s hl 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.voskms19p )h7 If the first-order maximum o 1vs sp97o)hmkccurs 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 onb/ixab03 h2 rn a grating. If the third-order maximum of the diffraction patterha2 r3b0bnxi /n 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 noh8s(4 :glbm burmally on a grating. If th:8hu4b lmg (sbe 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 separ-alt-s v 4m h,rtf;i,4h7es tbated from another glass plate at one end by a strand of sob mei r, sthv-;4-a t,t4hfls7meone's hair (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 myadu.: ( z4brof refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength ligh(bm:.ur4y zadt?

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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 soay xt6t0yvr:6 rmxer4/p film ( n = 1.33). What is the minimum thr6y0 x/6my r4xver:tt ickness of film 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 filmt, 4:mg)8in2f.uljd om g/tcz coating (n = 1.30) on a glass lens (nzfmig:, /mt )8du4j o2gt.lnc = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and thids ,,bjy1.cu e intensity of thbyji dc, s1,.ue transmitted light is 1. A second ideal polarizer is placed in the beam 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 prey; x ym938swmeferred 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 e9zro.xh6q5a)d x2 zs8in 2vs flat piece of glass at an angle of z 2xhi85dr eno. 9xsz 2)6aqsv$57.3^{\circ}$. 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-analya9vugwkt u t: m rome+y6ss 3se096(v4zer combination. The transmission axes of the polarizer and the analyzer arvmyossu9m6 :0ag3skwe+re uv(tt6 49 e 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 ih3tpcz/r8k i.ts image reflected in calm water is completely polarizer/ki h 38zcpt.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 t2 +)a0wey c0b e owagrt)-vnl(d f8q-fhen an analyzer. In this process, th 0 e)-wwao2+flyn08c- tdqf)e gra(v be intensity 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'szhxyt1v b5ozq )8,vv;7 s)lid:y1ybz angle for light traveling in vacuum and reflecting off a piece of glass of inde)o 5x;h71:yi q)tdbzbv zl vy s,zyv81x of refraction 1.48?

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