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习题练习:Physics Unit24: Wave Nature of Light



 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 principlebx h 3im/rzq+6.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a f fh /o/qmkg2/u 6v9bjbalse 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 ligg41w3 y+o xjuw*q 18eke:jfk syv 6*e l:njzd:ht 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 attribuz1r8/er2j0j; g za3vx6pko hlted 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 ente8-lf/8ts 13 0mmwc: bt) wnzobuzfxu8rs 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 nm), originally traveling r,-y7kkkq exi8hj+( /dzv8 umin air, enters a piece of glass (index of refraction 1.50), its frequenqvjdkkzmi(k+uexy r87,/h -8 cy

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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 =0(:u zqrp ix6u 590 nm), originally traveling in air, enters a piecupz 0xr:q6u(ie 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 for light sl4o4msmi j -e8preading as it passes through a narrow slisoje 4mlm 8-4it?

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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 buildingsw uow:ef do-;7klo4l 4, whereas light is not notod;l:o 7oww u- 4ek4fliceably 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 fod.a4a 1gd 3.j*) fjbmib; eaohr alternating light and dark bands when light passes ta1*4 e fohd;3.bibajam.) gdjhrough 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 to6) uoui611qw fux7h js 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 that two light rays striking a screen arez da--cm/nu1 lp1 i/ck in phase with each other?m-ck pi 1d ul-1nza/c/

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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 :3:cwwf+y9 oe 75nsv skpww c.travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two .w9wwe:wcp syf:vn3s 7co +k5beams 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 diff)6+f7zsrjany zaj ,0terent paths arriving at point P. If the maximum destructive interference is to occur at point za a,+j 60zrjyf7tsn)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 brigci 6n.p 8m1bio)1dg ncht spot in a double-slit experiment, light from each opeg1icnib8 c p)om1 d6.nning 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 the central bright spot7ah 2 5 y;kn ,qom:pzvgm-yrprfx25 1y in a double-slit experiment, light from erp5o;r qafg 2 :7 2hmn-p5y1kyvmx,zyach 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 central bright spot i1l1fhbfs l(e8k :eu,yn a double-slit experiment, light ye:,he1 b8l1(lffsku 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 f gla8b;/:jawzj.eh ( slit experiment, if the separation between the slits decreases, what happens to the distance betweenjfhje .ab/:w(;g a8l z 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 pcd95cy )bt,lis observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separap9l, btc )dc5ytion 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 travele1 lq )92ppje.tlef 6ls 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 o.v ;r nyzgi)5zy:n)v slit experiment arrives at a point on the scre rviz;:5)yo znn yg)v.en one-half wavelength 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 obtai lh.,qm3h/fcfn interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of t .c3mq fh/hlf,he 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 pattlvkc3r* 5w* l kzvght/s 3l1bg3k0y. cern usin0w 313rvgcy5 /s tlc*b l.hz 3gvkk*lkg monochromatic 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 exh/zqj d9g/z6xplains why a prism separates white light into different cohg/d9 jzz/x6q lors 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 rainbow to form l3yt5 r j rnc0q9,r9klis

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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 shorta3 q5ug00z,kguv cf n8er 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 1fzxjs s69 u.ct8y75p j*g deblonger 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 refraction when pass aoy f0o-4cwd(ing from air to gla d-w0a y(fcoo4ss?

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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 refrx bi1p(eb(e mf+6( ifyaction when passing from air to glas+f(pi61xe befm(y ib( s?

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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 glk)uni -p2nf4a ass plate with parallel sides, at an angle4au)k-2ni fn p 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 lighjp:6z zz.iw+ puda.:at0pq -yt source. If she now holds up two fingers, with a very small gap between them, and looks+6yidp ppj:: za t.qa.0w-z uz 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 theil1 x4(1ycu mjc(*ur 8od,vsz slit increases, what happens to uccydv8 lsju *1rmi(o4( x1z, 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 diffraction26 yd)snxg:wpt / c*uz gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of thxpu2)*cdst ny6z:/ gwe 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 dife z8ak+ aj(n)v4hy+pc a.j c8iference 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 a statement concerning the sepi kvcn)azy4c.(8ah+ja pe 8+jaration 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 canipdddrnw1rk 7d)58a39le 5k used 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 interfere const7m0bt squz8w4/ gdwd4 ructively or destructively, depending on their phase difference. One conseqz/wg 04t4q bw87msudduence 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, so /ogg7l)o0-b+i c phxtrikes an air boundary, thereo-0gob+7 ) /hxiol pgc 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, is reflected by a glass6wgxnntu/j(t cgr 1/xk , apm0w2 ip21 surface, there/wjr ( x/ 1ca2tup20,mggn 1 w6piktnx 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 in white light. As the film becomvx xqp+1,6sal es very much thinner than the wavelengtxxv 1s6q+l ,aph 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 fluorbp;;qo2d7 cnzry/n f5 u92nop ide, 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? (Tb25/;pnyn fonr zp2;d7cuoq 9he 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 plate2c :h:w4el/ f3nfa qyiyxj- .g and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does x/y.l n2cfga jh:- yi43we:qfone 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 sunglassesgmx)2q+5 z*1zup 1 3ckwrnjk h can reduce glare from reflected surfa+)gq11u5 hkjr2*znmx c p3zwkces?

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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 polarizatrtschf r 2(+d3ion 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 dichroic material lif zq7mjt vcxx7dc:0b3 6q9 .luke a Polaroid f x3 ltxqb0um7jczvcf7 d.q 69:ilm?

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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 eyaj 5;oy44tex p+ pi2mach other, what is the percentage of the incident light which will pass the two fily5 4pim j+y42oaxpt e;ms?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected frog0h7tz x )1pkmi-nu;qm the surface 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 sunlightqjt3l1p4 bt,n 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 diffraction NOT exhibt q/7v9 hbb87 onzqwhm9 /0 c7fogif-pited?

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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 z,pg 6x-9bearc b; 5upmore blue toward the zenith (overhead) than it does toward the horizon. This occurs-gr;ppuea,9cbz 5x6 b 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 waveleng y9tx77m9-qkps +antlth of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the q +lt-ms a9797xnkpty 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 has an ind+* nbea8kz;x 52eygl2l ax/e jex of refraction of 1.50. What is the frequency of the light iee+alx/*2zgb28xl; j5 ea yk nnside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, wt 1;yev2 j:fua7t qinw+/quq2 hich has an index +2yi qea;vqqjt1 u7t:n2 /fuwof refraction of 1.50. What is 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 550 nm in vacuum is sy9eb+ 1 d f+d/h:ft28pggsenfound 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 o47qcwsed 6 gl1*q-i8d0p t ujtravel 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 nmc7o85wab*gim.yww1du img ltlv,: -7 in 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 sgv(/o/alv ef9z ,d *aje6bm ih5bv.h,lits, and produces a fifth order interference frizlg(afd.5 b,he*o9h/6ajvi/m,vb venge 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-slit and the n g)f execz ;z0mxr463third order bright fringe is seen cn)4 ;ze6xzxefmg 03r at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the t:lpsnpj4un,h i0 efb.f3b qe ,yxop --o52t3swo slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spaco50b .fpnhse-,uy 4lbji :s33f,oeqp-n2 p txing 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 wavelengthv 9bgt l s9eb4cmg i6upvz6/;4s, 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 fri;t 6e 4vg9l/9 u4mpgsbv6cib znge from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelengthgnk+6mft1 v9rlgb *8q 634 nm falls on the slits. If there is a screen 6.0 m+k9mblggtq *8 6f1r vn 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 setun /fsdrt;g.q x. nq;q.p that has a slit separation of 30.0 mm. qtx; gn r..nfq;s.qd/ 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 70u4-x9ha cpcn )0 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of ta4nccpuh - x)9he 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 ud* 6xcupa*o40e,hfmvk d2c4 (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of m0auu4h*k *,dvo cf4 xec2d p6glass 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 sli- g3y7w.usqpit of width 0.20 mm. What is the angular width of the central diffraction p p .quwg-3s7iyeak?

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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 illumin0tiz2wtg0pe q 9ex0(p ated by light of 550 nm wavelength. What is the angular separation between the first two mine x9p( q0w2ge0 ttipz0ima 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 is;l67v(;hpvmw gsy0 a single slit 0.75 mm wide. At what distance from the slit should a scsv6g (;mi7sp h0wv;lyreen 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 61n6m ckh5 g6i,iinoq +,0 nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a sh g,+6 n,oi5m6 iqcnkicreen 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 r-+q p*b96b gf gzm;wy580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find t9f;pw*mzyb b+ 6gq -rghe 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 incident on a slit of width9 29v8nd0lll+ipd0- px apibe 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centp-aid9e08b+x2l9p ln0dipl v ral 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 wii ms*fzfj 1d 0ou(:e+xth 7000 lines per centimeter, its second order maximujo:e1f+ 0*fsi dz(muxm 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 lineyt6q: ab eui;8s per cm. The angle between the central maximum and yti 6:qea u8b;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 grating that is 75 mm widl )b vr9lh.ll3e and ruled with 50,000 lines. The secllr )9lv blh3.ond-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 produ ( ieny5n,ak,eces 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 mm from the central maximum when it passes through the same diffraction gr,5 kn( yae,ineating. 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. Whatp 2i+lh4v k -ep6hhes9 is the angular sep4hihe s+le9pk 2vph6-aration 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 spread out into spectral hues by a grating. Icwv: p4 ajp9h,f the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first order?pw,:p4c hva 9j

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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. If the first-order maxeatc0 ind5 diqqq egno; +9 kps* 48,;6c/padsisi de *9c5g;8sap q0d6;n,oieqkp 4/q n+cadtmum 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 wavelength 500 nm is incident normally on a grating. If5o:h o)tpw l gerna1y62pll m--r( q.r the third-order max o2r1:yll(r-hpw ma-er)tpn 5.l g qo6imum 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 500xigrocm 1g4el k5p1d8wlg ++- nm is incident normally on a grating. If the third-order maximum of the diffrac-ergg+g8k mdilc114o 5l+pwxtion 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 gla4 /(v:hw1hhokg;, abvr kj1 0f(ekygs ss plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interferen ;a1gkk((b 1egry4kv w:ohhj0/ ,vfh sce 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 ind udl9kze qh.e4)mbt0a( vdo/5ex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident k e 0/v5ol4de uh9)tdmqz (.ab530 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 fp6e.ru u/yho l,gj6ra, z.bq;g v+gx(ilm ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incidentvx,;u +rg 6u.ggj(e.b olpzry/qa h, 6 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 nonreflectint k1c3 +7cw5mn,i nfltg film coating (n = 1.30) on a glass lens (nfw i3m5tkl1c cntn+7, = 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 unpolarxads x0cv2xg 7-,,gt9nky pt+ized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam wix yg2 gn7stxxd9, tv-k+a0,pcth 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 r(mn+.:l,ncvli 9h xsl otated $30^{\circ}$ 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 pa(7xi,mh1 g7bb 0 l 7(bxhhbeoiece of glass at an angle of i l,e(7hmb7ob x (h7xga1bh b0$57.3^{\circ}$. 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 pass08aajwh9 -s kyxy)2nced through a polarizer-analyzer combination. The transmission axes of the polarizer and the anaj)8 2 kyh aa9cn0swy-xlyzer 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 wraepq 53 cn9ncps2o53 ater is completely polarized pcn5ncoa 3q2ps9 5r3e?

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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 throug c:m7 -twqc.cqgoxj;)h a polarizer and then an analyzer. In this process, t:gt.q;o cwjq c7c- mx)he 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's angle for light )4x7/vrmoke/,;y b27a 8mjoq fylyxntraveling in vacuum and reflecting off a piece of glass of indexmro72xo8,yqvxm /ln ;/ya ky b4f)e7j of refraction 1.48?

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