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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 principl kmxb-q7w m1a-o8k:l1nc0 qt ve.
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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 falst, 3xb5;zm p-x i;ecmve 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 attribute0o7hw aeinm.ar/ta: i23 5zyqd 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:ea; uxe5/r /a,w u5rur qouob-yp11s is 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 en3fw0p iv/ d/cf3ksg7mters into a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 1dj b8brr6 j)ynm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its frequeny)18rd jbjr b6cy

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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), originallcw6,u jl8b6v ky traveling in air, enters a piece of g vwk66,bju8cl lass (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 spkki4q w0c.e3y* xmb 88pj8qra reading as it passes through a narrow slickmka8 qxb .jpyri03q8* 4w8et?

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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 objekxy lu6x f+f-3. l7bezcts such as buildings, whereas light is not noticeably diffracted. Why isx+ 3fxu ek llb7y-f.z6 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 respk u01rjnyot);onsible for alternating light and dark bands when light passes through two or more narrow slits?rjn0k1;t)uy o

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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 t*2,-nfii;zfp 2fqwls ;bw9 uuhey

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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 3nh tiq3nn + xg;h3v*z-i/kitthat two light rays striking a screen are in phase wit ngi3*-/hnn3v3q; i z ht+kxtih 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 3sw 2)62uh/bshl j9wwn.jbtwm u )ud6light travel different paths arriving at point P. If the maximum constructive interfere6 s)ltbuduh. ww29sj3w )6/2h nwbjumnce is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If the0ut(xk xk4gkb ;nqtg, ;1ykq) maximum destructive interference is to occur at poi; )qkk byg(q0un,x1ktx 4; gktnt 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 o)gv0lor7 t c:+kjtaq8f the central bright spot in a double-slit experiment, light frtgljqt8 :7o+vrak c0)om each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of th vwhm--ld ityv:l (-0te central bright spot in a double-slit expw -lm hd-l-t yt0v(iv:eriment, 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 tg h8zn-s0ia6 8:toedl he central bright spot in a double-slit experiment, ligh8id :nlzgh8te60 aos-t 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 ber/d. 6psd )p:sxi h1h)fk k(rvtween the slits decreases, what happens to the distance betwd rkrxkp(sp: fh ds)h)61i/v.een 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 distance between ad/j crqz1 7yo1ieie 6h2jacent maxima on a remote screen is 1.0 cm. What happens to hji1e1726ioqr yc/ zethe 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 patutw9 krq a8bijv 3xi(p1 *roj,83nx(y h $P_1$ 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 arrives at atb k yd.9uim8, point on the screen one-half wavelength bu .tk,d8biy9m ehind 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 inwh9 ,u x*0utzz3sldk z*ni, a9 a double-slit experiment iza93shinkw,*tdl ,z09x z*u uf the separation 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 in a double-slit interference pattern f2 9 onfqqn2c7using mooq 9cf7qnn 22fnochromatic 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 ex(7g0: swge*yy 3 ajkvxplains why a prism separates white light into different colors i*:0ag(ysk3jyx egwv7s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which algjsdehkhf nt d0* q28z()e10tlows 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 shortec fdz ffu v5ax+y7l/aj3r)7c 8r 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 slig)y df/v)k,lwvjq7u. ssyd d 5imz,t 3:htly longer 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 refr -28o,pz1(*xsjre swh vjx e(t(vwax,action when passing from air to ((oe8,e, vs2 xzprjavx*-t(wsxj h 1wglass?

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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 passi-t;b .wogqc(e ng from air to glqgc -beow .;t(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 with parallekcvpe7xh5r5i dm (((l9;:evnn oz f(rl sides, at an angle between5v :rohp fl7;di(nkm vecz59(n((e x r $0^{\circ}$ 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:zrm)b7t rk 9y two fingers, with a very small gap between them, and looks at the light source, she w9mkr:bz7yrt ) ill 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 increases, m19dqi 3 jih dcnu2uos5 m:/f6what happens to the width of the central maximum on a screemi1cudmo /h:259dus 3jfn qi6n?

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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 ha:js:pk 0c,9u: xnhfima*gkzjj+1dj - s 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispers 1jaj0:: k k :-nfsm,igjxzp *jc+9udhion 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 only cc-wxp *pmh r xl z,i8ew/87a5difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the m*epzc x885-riww7 cl x/aph,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 arekfv4);)d) lqdmbj sm2y 3+bco caused 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 waves can interferenz5(3mcdz5k i constructively or destructively, depending on their phase difference. One consequence of thi 5d(i3nzz5 mkcs 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, whx) 7ul.6 p4ru,qlfscntnk o*1g 82psoich is traveling in glass, strikes an air boundary, there i.uo8f2u ,t71loln x)s64npcpgqrs*ks

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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 reflectedkhgkcy0 2;wcm2 8zz 4n by a glass surface, there i248 kwhzmzgccy ;2 k0ns

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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 ligmg 6ud34cy,s (fovged8x6 c0r ht. As the film becomes very much thinner than the wavelength of blue l (e ucx3v0r648 d sfmd,cyog6gight, 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 mag)l,mnh e9vphfm-vho ay+;,r)3 ewm 6vnesium fluoride, what is the minimum thickness of magnesium fluoridmn,v r lohhmvy9mewp-;v),a3 +e6 fh)e 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 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 witqr; p5 b+cmus2p keswy2a.)h) h monochromatic red light. When viewed from above, concentric bands of red and dark are observed. Whatec)k.)5b+ay mwp;q s2rp2suh 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 sung 9xkaau 7d:o1aa s;:aalasses can reduce glare from reflected sur71 uaasa a ::9xa;aodkfaces?

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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 w,(h.a)rg4elccm. 0azcct n2 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 dichroic materiavtt6.f db1b9 ,hybw+bl like a Polab1tdvyb9 f.6+ ,btw bhroid 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 Po4kp418bwv5ixi l,q qqvv3 e7bg w4po 0laroid films are perpendicular to each other, what is the perk47 l0ig5 ovw, xeq vi18b vp4pqbqw43centage 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 sur9jj/bi h20 3lqix2g pz6kel+ tface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatest1;eh1nx lq e.x 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 s dm6rq7 mu(xn5bp ,;9 qih4c8zjvbw3exhibited?

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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 i nv5t dc*fv)v ag0/ zfte/:c*the zenith (overhead) than it does toward the horizon. */0 t)vnff5dzvve:c*ai/ gtc 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 6jx 6)ri i4d8ip m)8ape00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.6)iri8m e8xj)pa4p id50. 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-xsi.a+pv v, zsxki 4). It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside i 4)is,vvksp- a+.zxxthe 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 axz7ez p7s2h yg;re8k 6lw 8j8-u+ubqa vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the ligh y g7s 62rz7euj plbhqwzk+x8-e88 au;t 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 f0 +s/rz0dyf g.w 5llby*5wke cxn+p1iound 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 found to t,xcj 6vebx8c; oj/v )8sua5p sravel 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 travel at6f4p yt ot..ii $1.96 \times 10^8 \; m/s$ 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.8 ivo e(2.vhfh Monochromatic light falls on these slits, and produces a fifth order interference fringeh82efo (hi. vv 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 double-sli9,fz9 4,doc;wz 4i 9 ajgmlebvt and the third order bright fringe i,e;c9a9iz ldmwbz j4o4vg,9fs 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 betwk bdkv*gzh58d **c7tc een the two slits is 0.050 bcvhcz8k*d*t 5 7gkd*mm and the distance from 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, the slit separation is 2.0 mm, vxq16rjd ye: (t8hsl :and two wavelengths, 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 briqy(xl jts6 hvre 1d8::ght 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. u 8 bp+(lyai9zup/m5u Monochromatic light of wavelength 634 nm falls on the slits. If there iuzbul ay/(mp+8 p5 i9us 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 Youn/jk63;q leulw;u *nvw3d 8qdwg's double slit setup 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 bright fringe and the zeroth-order briuqun8kwv;d el;3wj 3q /6dw*lght 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 (4m1hclb+f6t h um:zha plain piece of glass at an angle of incidence of 60e. The inuh(f+ct hm6bz 1hl :4mdex 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 light (wavelength 480 nm) and red light (waveadaov z .k4)8llength 670 nm) is incident on a thick piece of glass at .lk a zad8vo4)$80^{\circ}$. 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 ofkq *ux,m,dk t+ width 0.20 mm. What is the angular width of the central diffract* ,ukq+xt k,dmion 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 widesy/en t ( *fmvf6-trbh6ggm+: , is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the cbr n/:s6+6 vh (*mgymfg tt-feentral 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 8fcx-0cvfvy +w7t g r-n7kda9 mm wide. At what distance from the slit should a screen be placed if the second dark fri8frk0fv+ ycnc9dt -7g x-wav7nge 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 an psk7ejqeel289h l;et217 rxv d the diffraction pattern is p97rejke p8se 1lxq7t2h 2elv; roduced on a screen that is 1.5 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 nmaf+6bz*s iz7x/qw 2vppo l 05m is incident 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 or /v*x2qp+s7moz0 awfz5ibpl 6der dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on dvp pco 8;a 9gnrsn0m66+ir/ta slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centr/n0; ro9cvntp dar8i mp6 s+g6al 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 w( xqvhv(21e59goqrw q ith 7000 lines per centimeter, its second order ewq1(vqv g rh (xq25o9maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The annu7y h bvus4.0,p;qq bgle between the central maximum and the fourth 7vsp40q;y qbbuu.,nhorder 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 is 75 mm wide and ruled w . j v;rqlee,5drnaja*s462t nith 50,000 li2 dr65sn;qj*,jna4eerl vat. nes. 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 )*e uwsdsb*h 3nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant bhwu* *ses)3dscreen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimetkl(t vw4c-l:b er ruled on it. What is the angular separation between the second and the third orders on the same side of the central order whenltwk-4lc (v b: 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. Ifu q4()1wucjh skd ya81f je9f;f:x.qo the grating has 2000 lines per centimeter, at what angle will cxff:jw1;y)oqs4a1(k 9h8j qe fduu. red 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 x2 /3bgtan.slj, kth/nm) is used to calibrate a grating. If the first-order maximum //tsg2hn,.abl 3 xjtk occurs 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 x.sw,+ 8ssu3n -9q5 wb reebhnwavelength 500 nm is incident normally on a grating. If the third-order maximum of teerq sw n bswu +3nbxhs8,-95.he 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. -atj2j89a,kvq1 miw tIf the third-order maximum of the diffraivqjm w-91, ta2tak8j ction 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 i3n +wpsa5fn8. ek-b y0bq;v ma hx0(xseparated 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 withhy 3wnqvp0.a;8+x(x-ib5kas fneb m0 light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of qi )s nwkyw5b u3(j0u0)0n2w mew5ujn1.33. What minimum thickness of this bubble will ensurn j5suuny(5 kjww ei0w2q)n003 w) ubme 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 ( n =2z *zbkk m0g3.ejzu r /i)dzr/ 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally on it?z2z/bzz. irujg kmke0r )*d/3

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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 ort2rcn9l :phg9bm ;* -wkn,l af a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for w9 ,l- n:gckwh;9rarnbp2l t*mavelength 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 lightb hkb 486-ghx0s; cmcs and the intensity of the transmitted light is 1. A seb8m hcx4cs;0 -hs6gbkcond 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 prx((ct ,h8 62hktyab2*m od brmm* 8uspeferred 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 flat piece of glass at eq jbr aoiv2(d *cs)6.an angle of o*q2 )ecrajdv6.(sib $57.3^{\circ}$. 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 polarizervv:d.g xa4;hi-analyzer combination. The transmission axes o:iv ad;.4gx hvf the polarizer 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 image reflected in calm water .qpw w5cjwp7 )is compp7)w 5wc.w qjpletely 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 bt,89yn+j anb o re1yi*m0tn+through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the anr,e y yjna8m9i+ +n t10btb*ongle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vxji) muyl8t iy tdw86dn-ywk055 8n*x acuum and reflecting off a piece of glass of index of refraclw88xn-y*y5x n5m8iiud)y tkjw t 6d0 tion 1.48?

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