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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 principlziz3--(o gz sbe.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a false statement? z.2y(+k bvmih

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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 attributed c0 h6v +x4cfibto

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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 kw2(*l1q e thb 7;uyntattributed 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 insha. li zog 4py1n:90nto 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 in air, ehy i3.o1 )fi4 2q novppxgn4l(nters a piece of glass (index of refraction 1.50), its frequeqi4gyoo i3 l4ppvn(.h)1x 2nfncy

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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), orig3 bvi/zhie i,8o*4trxinally traveling in air, enters a piece of glass (indextxio e*i/8bvrzi,3 4 h 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 spreading as itv: hmepgod-;js)-lkqe: em 2 + passes through a narrow skp )dv:ee; jqhom2le+:-gm- slit?

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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 jwcjscm)vl 8v2c+r7 / such as buildings, whereas light is not noticeably dimj27/cvv 8 +) cjslwcrffracted. 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 wh se2t:,-n a6j.ocxq csi6tm5 nen light passes through two or more nnsc :ta6n m - 5s2oe6qctjxi.,arrow 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 coherent if th:lyc nsa ,*;-er0gdi 0a:. z a wzjmx;9szld1key

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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 le:tcdzv1 ir* 2ight rays striking a screen are in phase with each 2*tdrez v:c i1other?

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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 luc* dus1rr2c 2a*)2me9d b. np2wajbmight travel different paths arriving at point P. If the maximum constructive interference is 1bnb22mc a.9sw*rem)ud pcdr j*2ua2to 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 di5 )4 -9dlabg2iamspl p r3 gcie+k8c0pfferent paths arriving at point P. If the maximum a439sg-ip g+l5bicekm rdl0 p2p )ac8destructive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either sb(n hky4ut3.qb* 5hug)ysw4 eide of the central bright spot in a double-slit experiment, light from each 5u tykgu)w( nhy44*qb3sh.eb 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 the central bright spot in a scd4h7)g8bgm double-slit experiment, light from each opening ard 87g)hb4gmc srives

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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 sp f7fwc8( xok* abh:;jkot in a double-slit experiment, light wk;:(7afxjokf b h*8c 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 betwee,uq ce3( 6aoqun the slits decreases, w 3q,eoa6quc(uhat 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 i/ 1z3*eucf7.qochpols observed that the distance between adjacent maxima on a remote screen is 1.0 cm. Whatole1q czf/*7up h 3c.o 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 (3oinumb sh(e,2ae n 3travels 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 sl(gaq6y -wbl7l*fp 1udit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at thu 7 1l6wf*plgd( -bayqat 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 exp nzgi rgp ((s2tjt5;;ueriment if the separation of the slits is less than the wai2zg 5rj ;stg(( tun;pvelength 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 patter.a tzdup)-fg:n using m-zd.ga:u)tp f onochromatic 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 5mir)whw spj9;ln i9,(fyw9 x c71uftwhite light into different colwwp(9wri 91mcu5s lh,if7jtf;9xny) ors 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 all/ ca rqu;ey xr7i5z xc:xruof9yq4*0+ows 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 s ;ekt6o9yda4slightly 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 slightlkh4m7hh2a.tul o0tbo7 q- 3zwy 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 refru 1o6 aqnxwr3-action when passing from air to glanuao q-63 1wxrss?

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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 refr1ruymv6) jf d0action when passing from air to glas m1)f r6u0jdyvs?

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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 thickwe-wm7 (oy 7kc glass plate with parallel sides, at an angle be(mweoc7-7k yw tween $0^{\circ}$ 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 distb).n m9eie ihh(i;na/ant light source. If she now holds up two fingers, with a very small gap between them, and looks at 9;ibih )nani./em(h e 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 6lplxi5 6ha9xqx;zb6 increases, what happens to the width of the centra6lzxi qh 6 b5x9p6;lxal 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 the4s wm 1a1*9ycfvu qfa5 other one has 6000 lines per cm. Make a statement compa1wf514 9f saq acy*uvmring 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 t;e8;26 gz v(bz llra ma-ht5cdhe same slit separation, the only 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 a statement concerning the separation between the o 8 (g-;bh5va lcl;madz6z er2trders.

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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 r e(spr)lfdcp e: x)*;hug) x7feflection 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 interfersp9 b ;th7fc1lap8 -lle constructively or destructtlfcp -1 8lbsp9ah7 ;lively, depending on 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, whichl:)-lr uag +fta,v (kz is traveling in glass, strikes an air boundary, therf( ta,rlagz- +lv)uk:e 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 glass surfacxlp)c 61 zf6zie, there xzplc61 z6if)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. As1gf +ng bs,+mb the film becomes very much thinner than the wavelengt+g msng b,b+1fh 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 wa,hw4rs; hc - /3cdwjof light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it nosa/4 dj rc;-h,cwwh3 wn-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 r. 5owozf9w -kgrs26eflat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. W rok eo-w6r2 g9fs.w5zhat 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 certah2if3 *o)zfyjin sunglasses can reduce glare from reflected surfac)i yfzo23fhj*es?

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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 o4v. roc)wyfi2ttjuaz u7+j )(f polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichrh20lk7 ukj.vo* 8tpyroic material like a Polarpr yo8hl7 v0utj2.k*koid 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 Pola5s, j,1oxe irtroid films are perpendicular to each other, what is the percentag e,ix 1ros,jt5e of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of a f1u)eh:w ,x: ge*bc-aj exud6 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 sunligh pdl-zg 3p0h-xt 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 followinp)ns4+pfg* ysq8 gy0 vg 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 towardsmc3 z/8ct/wg/79 y4 wh/syufxa ft2j the zenith (overhead) than it does toward the horizo2/yyfw/tsf jzhx8/7m9ts3 c gu4awc/n. 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 6 51fzk(ebxnu1 a* 1: iykue2wk00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the lighexu* e fynz1 wkbukai:1 (21k5t 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 has an o* 0m+ei.b8+ehsp binindex of refraction of 1.50. What is the frequency of the light e .+nio*h sie0mbbp8+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 glass,unzr))vvu*pde)(w e - which has an index of refrz)v ))erw*-ev(uup nd action 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 vac.t* cv-wor 2cquum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to traviqicbr : 1 ks(+w9tu3 0vtm03pk 6mugfel 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 ihf7f lr luht:80:/3jk knax35 :lfyzq n 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 thpg7nxbl zh23 wb+:5 otese slits, and produces a fifth order inte gn:t32bx bl7h z+5woprference 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 double-slit and the third orde5/f0ivc in *rza sj-:el(d ld*r bright fringe is seen at an anl05/ i*idfdl(az rcjsvne-:*gle 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 sepvmc- d8e 5m.qjaration between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacingedc8- mj.mqv5 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 tw8e8.wfh.2ysf y5cu7 kl(zh upo wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the (2u7wz8 85y p.y clhukfhe sf.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 0.0fjg7a; q fewlaf5zjk- d** /1u3tp4nm 50 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart arg4 /tl*35;epqj* n kafwf udf-zaj17 me 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 y(+t8azazle/qbki .(a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15.qieyzaz(tl(a+ /8 kb 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 wavelengthsb 02ojxe:;hf- pk *er x/ui:yivd96qq, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1yo f2:9ur*jpx0e6 : e-vqb ;qk/dihxi.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 mvid 6 arl)/(aiy7huji 5e23nred light (wavelen(il 3/h miye7j5v2dau)ri a6ngth 670 nm) 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 of width 0.20 mm. What is cyg1-3edf5sxtv2 e 5vthe angular width of the central diffray2-5 dvvctf3ee sx5g 1ction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by lighg3a jxc+;cw3x4, llsrt of 550 nm wavelength. What is the angular separation between the first two minima on either side of3g;r+4ccs 3wxa ljl x, 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 imho6ua:s+tv3gr ;.acncident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second m.rug+o;c v t:a63 shadark 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 diffractiyia 1w.; 5hux-qby+da:vzql 9on pattern is produced on a screen ti z51v.hxy ayal-; bu:9qd+ qwhat 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 incident on a slit of widtkz r/;w,l55ga8-vr 2ir)kad ypt lc* sh 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screer82k;5va 5i dwack*ygz rrp-l)st/,ln.

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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 widt l5e(5kocn l;cxd x k8f(hjgicq*2d );h 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the (qk ecx(cicx;glk h5 o;*dn8dj2l )5fwidth 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, 7: hleis p8aoo gl6 xa2c6 :(xzv(8xecits second order maximum is aa(6zisg2l8p:a 8x7lx6c c exvh(: eoot $62.4^{\circ}$. 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 li:xhc g77lngi -qavnjr5.7bc3nes per cm. The angle between the central maximum and the four 57ihx3-qclnajc7 r 7gv:b.ng th 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 m rw+jeaw0lp( 9m wide and ruled with 50,000 lines. The second-ordlr(+wj9pae 0w er 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 experimen 4x3 kl)3*dz lhszol9kt, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a d ol3 k3l*k4 zhd)lxsz9istant 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 ruled on it. What i /g,e(b krsc 77boqw.is the angular separation between the second and the third/,bkb.geowqs7c (7 ri 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. :7ppfuz n zz8g q)*e:atc4ud( If the grating has 2000 lines per z78pqd* ):n:e(4pf ztg auzuccentimeter, at what angle will 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 nm) is used to calibrate a gn/bl zc.4j6ut rating. If the first-order maximum occurs atnjz6but./ 4c l $20.5^{\circ}$, 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 aq6u gumhp9;sbp.z t(3r n 9(pt grating. If the third-order maximum of the diffraction pattern is observe(bt sr; zpqu 9ut(ng3pmh. p69d 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 xijdr,f7 2d o48+j jqs.a:mvknormally on a grating. If the third-order maximum of the diffractioad q,x4i:srjj f.+m 8vod7j2kn 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 separatedoj*mgb oa n;8it4. 1t+q ptsa9 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 with light of waveleng; +b.q8opt* i ngas19atmjto 4th 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 refr2 rsz(zadog3 4action of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengtgzo asd 2(3r4zh 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 jfk( 62 ;u. dyvfp/zw2aeri6v nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally;.v uw 2/fke6rpzd(6a yf2ivj 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 nonreflg8c tj 5m04 a-ylb8wiwecting film coating (n = 1.30) on a glass lens (n = 1.50) for al4 05 - 8cmy8wjwitgbwavelength 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 the intensitymvlttm uy)40( of the transmitted light is 1. A second ideal polvy tm( l4umt0)arizer 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 itsun 9 gmd*,mld+0xt1:ua(f/-w kbk fxq preferred 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 an a8w.(y5d wtdhcngle of h 85(tyd.wdcw$57.3^{\circ}$. 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 thro78nqu/ iye; nsugh a polarizer-analyzer combination. The transmission axes of the polarizer and the8ynnu7eq i;/ s 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 thejl5 u+ :d,6.vs vua(f*cprjh s Moon when its image reflected in calm water is completely polari+(c,u5jh.plavdf6:u v rj*s szed?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this proqt;n7bd gw41g cess, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle bq b4g7 td1w;ngetween 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 vacuum and refnqw e5uow cl.(6xt l3p39b s)jlecting off a pil u.pqs j )nol3xtc9e(653wbwece of glass of index of refraction 1.48?

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