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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 princm:x0bi* afrt .iple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following0j-);zwhnp0 pen zxv x*q -)jg is a false 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 attributcp9v: y2 5dlmned 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 attrib (p *fcm;eq/0nfy+xqw hd5*eh q ;isv,uted 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 differenvr rddx.s)p v ck9w)q2r s..p7t 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 nm), originally traveling in ) ,/f3iln ;mulg5 g9xwp bs7diair, enters a piece of glass (index of refraction 1.50), its frequencsg5gpf7)l ;ub3ii ,dx9n w /mly

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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 (wavelengthm0(a n/iykj-7t (j etn = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wa0/(nja ye- t7( mtnkjivelength

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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 lighrhmi+u1q .(a ,68lqx u6jp woat spreading as it passes through a narrow slowm.81hx +iurlqqpaj,(6 6auit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffr-) o.a*ep+j .vw vhseaacted by large objects such as buildings, whereas light is nv v+ha j-p* o.)a.seewot noticeably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands wheca .vz4m/ e0fkz: y;wy0uk o /atfx5/en light passes through twtyya ef// zfv /k0 4kaz.u5;e:mcxo0wo 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 to be coherentocpc67- d l(be 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 that two light ror.8c +ur,z+rvtcsfhcrx42+ ays striking a screen are in phase with e rcuh scf.+ 2xt++,zc8o4r rvrach 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 tr1c 9bz:wb4 ik8aeus7 wavel different paths arriving at point P. If the maximum constructive interference iic7wbsk41e z9:bau w8 s 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 pa4g9g lx4kft6g5woq0 q(m 1b coths arriving at point P. If the maximum destructive interference is to occur at pointoqo9c fmb54g4kg (qwt 0x16 gl P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a h4)88d l5 r5gjqsi irmdouble-slit experiment, light fr8)rilhqs55ji d48 r gmom 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 t25:bn hm 533d 4klnhxojn/iuo he central bright spot in a double-slit experiment, ligho45h3 kn uinlnm:b2od3 h/j5xt 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 ew3sq.hy)ea4c i) ;dulither side of the central bright spot in a double-slit experiment, l;e3isy4)aqdw)h .l cuight 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 the sli niy1yj5zam c6a*pn28ts decrease8cjna 6p51ynai2 m yz*s, what happens to the distance 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 isubas r.7 sp66,z ybw9o observed that the distance between adjacent maxima on a remote screen is 1.0 c6sb69 .uzpb7osr y,a wm. 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 pam.q9ql hu;st,upo k399 (hd urth $P_1$ 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 a45 u/ r-hlh8:ro wxfhet a point on the screen one-half wav l-rfh 4o8w/hehr:ux5 elength 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 expexj ,vw ntc4*7kriment if the separation of thekwj4 *7cvtx n, 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 ma-c / bsu.fwx6xyp(z,jxima in a double-slit interference pattern using monochromati-yzc,f u(p/xsj .6bw xc 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 white lightewa62bk6 wk ;dhx+ 7tn into different colors +k7w26eh 6a;b kd txwnis

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to fobyj7 mv-jg: 6ok*pw;d rm 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 wavelengt-uzmcqa 4+ r6x 1dp.dth slightly 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 lo1j .dl92ah4hco a cm(snger 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 refraction14esh 9v v,i 36h2x ze rx4e)mgqeopn( when passing from air to glass?4 2m)i9soeg3rvex6x4( ,h1e v hepznq

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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 sm.ph nxxa.t4,zuu e /-zmk n)g0allest refraction when passing from air to gla k40g,p. n-x)zezhtu mu/anx.ss?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a tq bh,n24 mvmx4hick glass plate with parallel sides, at an angle,vq hmmn2 4b4x 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 holdm*f9u pn5*fba4 jft fl081fu cs up two fingers, with a very small gap betf5t ff *4lfpj9uaubm*f1cn 80ween 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 the width of the slit increases, b(cemzq79/- b/lh gmx:r+ihkwhat happenlm 7e 9zq g (:/hbbrx-cihmk/+s to the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the other yo3w72 vqqi5k pv evq96hwhl9zf;)0cone has 6000 le0 hy qc5fzp3k qh lwwv9;2oqv9 i7v)6ines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the onle1 f,q tp1z;suy difference being that one grating has 3 slits and the other 4 slits. If bops;1uqef1 t z,th gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caql8txda f sy78x1 -uq.3; wuv3,ldquiused 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 wa1s(o 7frx9f4mru-trkves can interfere constructively or destructively, depending on their phase differenc-4u1 r9rtofk s7rmfx( e. 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, whig 8xyf/ss//;yjw7q sb j2yxw:c i:4ibch is traveling in glass, strikes an air boundary, there/: jqs:b y8i cgs/x2yww / bys;x7fij4 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 is traveling in air,gn1 er ,bb jg gz6 3y3kuhkh9r+i,vb*3 is reflected by a glass surface,zb 1g, vb9b g6*3r k,reikunhhg3+3 yj there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed vl z amp21f:6oin white light. As the film becomes very much thinner than the wo2v16zm falp:avelength 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 fluoride, what is thegj ymxk bhg6e4.,4qm* minimum thickness of magnesium fluori6xg y*k4qh gm4,e. jmbde 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 glabss ,pya4+r0ay e( 2ct zqm9k0ss plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and daa9pty0ka4 s( zs,q c+merby0 2rk 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 for the fact tha95 1rs- 5x1nigel zhxrt certain sunglasses can reduce gl9zrr h-s5xl geixn151are 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 of polarization is dx 90/q w0ooweyc+z- coefined 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 matei.x r ecy+oao)o6q)3g rial like a Polaroid filmo+ xy c.eo6g)r)3aio q?

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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 i8l(4m8rr ye y9jcw;t perpendicular to each other, what is the percentage of rj wtem8ry; (4c98yl ithe 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 surfay.svlqgd)ch w-*j 33t6wskh5 rv2fn+ ce 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 sunlisproft0. idml.;3rre-zdo:d f 7 q:3hght 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 t;8akw-nwiafv+)8; 9mvkckrg9qne/ 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 app:x dtvp7 o9c(bq 0-magk9 sff/ears to be more blue toward the zenith (overhead) than it does toward the horizon. This occur0(v/sbfo c97: pgxfkq9 mdt -as 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 s2 b6) lchqf:i600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. Ws2 lbfiqc)6:hhat 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 passe)vcdn ony***re; liw 7s into glass, which has an index of ref*v7y*w;clnodn)ei* rraction of 1.50. 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 wavelength of 600 nm in a vacuum. It passes into,2i;la3 sl *n(k twbpc0) avjzm1d. zh glass, which has an index of refraction of 1.50. What is the speed of the ahzwk d.0zlv)ni3c1jtms( b* 2 ;al,p 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 550 nm in vacuum is found to travel a fw(j aohc,5zotre/5 2t $1.96 \times 10^8 \; m/s$ 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 :vwmct 9bal0g6 ( -s3r1an tllin 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 foundby 8ioe:8,j/ :y4e u c3gsjcvq 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 slits, anthp ,7kvcne51 v l7 nd)v(owk4d produces a fifth orovp1,54vdn nhk(t )7e lk7wcvder 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 ony5; evbocv :fc1i0w.f a double-slit and the third order bright fringe is seen at an angley 0cfi5vwv ob;:1fe.c 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 expe21hec n06 qsa ai5n1mzriment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing be1sqmeh 0a2innc1z6 5 atween 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 exp:9xgh or0 x(; nm q/0xbqfmy36v- iwjyvzi+2yeriment, the 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 slits. At what +6oxwf- yq hnz3yqbr (m yiv/v; xm0x02gj9 :idistance 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. wtrdoo 69 vp-8 np8v0j3vfc v-Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0j novrt 8p93-dc8v6vwv0 p-f o 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 setup that m5hlhwxuv;6xn j34. bhas a slit separation of 30.0 mm. The resultant brightv;n6x5 m4 uh3bjlh x.w 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 no,zk 0li.;zr0wvd39wsx 3m ma m and 700 nm, strikes a plain piece of glass at an angle of inc,zk3ommwd0zw.a li0;3r v xs9idence 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 light (gw -:am230t hr j9kqed,of1javpr:g 9 wavelength 480 nm) and red light (wavelength 670 nm) is incident onrt:1g3jk,mrpa:a qf 909gv 2 ejd owh- 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 of width 0. ,wbfa/m u vtrwo 41d;uje-8t+f-0u 3cc fsi.v20 mm. What is the angular width of the central diffraction peak?/d8w1au;f tc u mv-u,-orw .fes+ 4vt fc0b3ji

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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 illgv a.xkq/xm6 ;uminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximum/gqx6mvx. a; k?

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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*e9v yqd 3pl3k.75 mm wide. At what distance from the slit should a scre3* p93lyvqdkeen 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 mo* *udk92-;aqp ..ugp adp gnmm wide and the diffraction pattern is produced on a screen td9k2*nm* pa go.d pq gauup;-.hat 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 nm is incidentkpf,a4q +e+c-xhdh1v ttctuajp/+,6 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 46u1 c-+phxct+aq pftevj, +,d/thakdark 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 a slit of width 0.300 mm. An ob5e7lxn eh som x75p;qbtoc3 sab*85;j serving screen is placed 2.00 m from the sexc 5m3 anbt8l ejo75 ob xh7s;p5*q;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 grating with 7000 lines per centimeter, its s f/(idibr00.zmka ci(( hcwe;econd order maximu (kaifr(0m0b(ii/ c w .ehcz;dm 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 hx9ll4 :jtzav6u4n *sg as 5000 lines per cm. The angle between the central maxi4x6zg *vjnl9 a:ltu 4smum and 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 on a gr6by ;c)+ 7zgh iutg9hljgz.l6ating that is 75 mm wide and ruled with 50,000 lines. The secondc.g6 lb+zzhl;7thjuyi g6g9 ) -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 firstyy +pk1a*:oyo -order maximum 0.350 mm froyokp*+yya1 : om the central maximum on a distant screen. 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 centimeter a zcbg00(5hhn 63tjhbk4h4i zt(yg,j ruled on it. What is the angular separation between the second and the third orders on the same si6k0hztj ih j b44hnz(,h3ga50g ctyb(de 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 td4z pca5qyv+x).xql/u tsx;: he grating has 2000 lines per centimeter, at what angle will red light (640 nm) a qx4zdc+sx;ql/xy au:p5tv) .ppear 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 vaap*0f76qd 4klhozw4 b (+ug a grating. If the first-order maximum occuruao44dh plv b(z+ qfgk6aw07 *s 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. If qn o 0ty1bigr9six ;(:-g fxs6the third-order max s (t1;9 io6sbqgrgxn0fx-:iyimum 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 hnskr6k2gt5 2 a grating. If the third-order maximum of the diffraction patt5g 2tkknhsr62ern 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 cmj y))o7q w9xa3-g bdkle kp+q4 long is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010qbwa eq- +lgx)k7 9dyop j)4k3 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 of refraction of 1.33. What minimum thickn)p0d qk.suy,6mq x 61 e8mslj9xo -bdqk tg-g.ess of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lightxq,.gk90xd .y 1us6jesq8pb6g d-o q) mm- tlk?

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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 = 1 ;jx,xy7* w fly*wodj0.33). What is the minim0x,jfoyl;7d*w*y jwx um thickness 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 nong(c( zee ,q(wpk ;fk*nreflecting film coating (n = 1.30) on a glass lens ke;p(q(gn ew,kfc *(z (n = 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 in0ol7 bdmc*4-ku7n epw a beam of unpolarized light and the intensity of the transmitted light is 10ku*7l -pdn7cmboe w4. 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 preferred direction rotatedi+ndno+y 64np rv3nt- $30^{\circ}$ 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 atdog9: *dg;l un4n 54x9olml s6ft im+h an angle of lsgtxl99n:d4d*o5 +mo fi uh 46ngm;l$57.3^{\circ}$. 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 thr tx3x75sd 4n/;qcrj1rf u b0nmo(rua;ough a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzerjd7;nf 0x t 54m3sbacurnou 1;/ (xqrr 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 wat8,gna)rb x2g qer is compleg n 2bxr)q,8agtely 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 polarizer and then an a lw+-vju12vx analyzer. In this process, thex a12uvjvlw-+ 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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  What is the Brewster's angle for light traveling in vacuum a5( 0;tsw g guk6kq5xmnnd reflecting off a piece of glass of index of refr us5(nkx; q6gk0twg 5maction 1.48?

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