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

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

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's principle.r; rbb5b(wue-q u 7bpcn4 y+w)
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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 stateme mnrfxu.k9m u0g ,w,w2nt?

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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 attribute2a. ;n bl5i3k6deroz ud 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 at()v v1ba p*tnch3 tju*tributed 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 digpj+ : w8tequrea1p,ize03(hfferent 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 ins0hqomnq6 . f/,a.qs s air, enters a piece of glass (index of ref.fsmq q so6s hnq,0.a/raction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally travel6ag.ma8 x2u zaing in air, enters a pieceg8 a6mxaa u.z2 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 spreading as it passes through uj3dvicpf) 0: a narrow slitcpv03)jidfu: ?

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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 -;y;e ubpuq;i)2ji1ltr fwjvun5 1 r:as buildings, whereas light is not noticeably diffracted. Wh ijjnv-i1;)5ylp urft;b2q;:ew1 uruy 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 when light / tq3lmp z,2t3/ax iospasses t, lo33 piat 2/xsqt/mzhrough 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 lijz hk ch-;fv,d(,wn.vt6j 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 li8e q wgz (2px)8gbukd/ght rays striking a screen are in phase wi8zu/)x2 bkq gpge8dw(th 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 2ks 2;rs2q lf ulsw+h.light travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two flh2.;sw lq +2skrsu2 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 di-t4it7 f f704olubwgo8(puyj fferent paths arriving at point P. If the maximum destructive interference is to occur at point P, the tw0lgu ut4w4yb- fj(7ip8 ootf7 o 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 double-sjjx2. ;p.m7na6 -apykre giz 4lit experiment, light fae 6 pm2p7axj .-znkg;j4 .yirrom 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 the central bright spot in a double- 5t yzrsbop axe0.*2k qm)1x5vslit experiment, light from each opening arrives2m1) 5xy sap.05ob xzt rqevk*

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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 in a double- 4 uduhp:a1b*3wijq- qslit experiment, lu bud:p 3qwj1* h-i4qaight 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)s5:j ypo nr8fjn6hg4n the slits decreases, what happens to the distance betweenf jg 6prj5) 8oy4n:snh 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, itnr a(xe32e9pc is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when rx39 ee( an2pcthe 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 lightm y6j ti,qn.g+vu7t4x travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arri 4 djjdubo-2(+nn ekg)o/.eehves at a point on the screen one-half wavelength behind the w/egbe2.nuho4(jo dkj)+ n -e dave 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 doubgtz if(bqc:m o.u1 )t(le-slit experiment if the separation of the slits is less than the waveof (1.: (tqmu)ciztb glength 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 woxxn 1lt9*4d ,xu 9ogadjacent maxima in a double-slit interference pattern using mono9dxt*o, g ux9l4wox1nchromatic 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 sepavbms-l/q, v2zrates white light into different colo mvzq,2v/bl -srs 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 ra6l w*t8n tbvyt 5*g(xwq-0rufinbow 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 shorter than 400 nm is9tv4a. rlyop .ou .eh2 called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer t1b0j x 0z xj/s-pajd,k2bm( v zw;ny5vhan 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 uur*05dm8y qqthe greatest refraction when passing from air to glasrqd8uq 5yu0m* s?

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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 pas/gn gs4s .m8m ;b lsjxn-ms/3wsing from air to gsnbmxsslg/; 8/3n m-s 4w.mj glass?

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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 incide.ifccv3ei 4hv ,f;7sgvnb**ont on a thick glass plate with parallel sides, at an angle between 3h bfvnoivi. g ccf*;4,s*v7 e$0^{\circ}$ 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 sour3,yk*v;j:qrkug2vcr ifd6* cce. If she now holds up two fingers, with a very small gap between them, and looks at the light s*ruv *ckjicd g;2qv6:3y,rf kource, 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 incd fxcu8c7y78 mreases, what happens 7y7f ccu8d8x mto 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 4000mqpqzo:u) 4z4 gzg6 /6-ct.pay-o:vrf kzb(u lines per cm and the other one has 6000 lin- :4(p.zyrtz u: 6qb)6og gp zaqm4cv-zu/ofkes 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 smp73n e sdh+s-lit 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 os dm+3-ps 7hnerders.

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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 qhl00-re.flmxx(o q lz 8 -zz1reflection 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 ct7t4 rs;tn7 umhi a//pan interfere constructively or destructively, depending on their i a4 th/smp/tru77t;n phase difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundary, th)8 gqicvi,e -dere qi,cev d-8i) gis

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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 travelo r-;tyn (wcr5ing in air, is reflected by a glass surface, tryr( 5 cno-tw;here 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 bey 8nmque14c,i comes very much thinner than the wavelength of blue light, th,8i4 qn1mye uce 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 in5aluh np-c5 d6 magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied -6lnc5 ud5aphto 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 glassp)my4)vzjik: plate and illuminated from above with monochromatic red light. When viewed from above, conc)vik yj z)p:4mentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the b2d cpdwk5nwxp)8 kw/r4u* :v 3w pn i7.(craifact that certain sunglasses can reduce glare from reflected surf. 3w/5cw) i7 2 k 8brppnvdpwnwa4dc(xiku:*races?

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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 definewsl4e,1a au 5xd 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 to4eqqeur- i1wk0 uit04nz:bu. obtain polarized light in a dichroic material like a Polar b0nztq.u4ii e:1 u4urw-0ekq oid 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 efw*nq+w :h,8aod- je axes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the two films? ,-8e*+:hd wqewj nofa

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected frnq gr3msi430 :1g 8uve7 thkcuom 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 sunlight is6o+g( +skl5cx;f dfpe 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 followi39 d ybk *;npolv87xmang is diffraction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith (ov,rj rfbju6n v2nl42f)4yapk6 erhead) than it does towar2pjy6kb ranf4fr,j l 2)64vund the horizon. This occurs because

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes intoo6l/d. /a7pegp0u*bdg /zd4k2 o9o td yo b,sh glass, which has an index of refraction of 1.50. What is the wavelength of the ligy4o 0o ,e6daulp sp.dt/*bog7hbo kz/2d/dg9 ht 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 vacu;q*u 7b,n gqzno bz+3bum. It passes into glass, which has an index of refraction of 1.50.,u qz+7*3bognb b z;nq 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 5e(pki nni t48;he hn)in a vacuum. It passes into glass, which has an index of refran)t;hk e54e inp( n8ihction 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 found to travel ateap-oc eoexy/k- rex;h:x .z) m 8rq35 $1.96 \times 10^8 \; m/s$ 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 ij,t l0j g0fq3bzb:i6air 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 fou4 d-cer u: ;0zfmap/8v u+r s.lrt)bapnd 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 mmi.nd4/ocu b+o apart. Monochromatic light falls on these slits, and produces a fifn4+b uic.o /doth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm fah0: +ij7w xnfblls on a double-slit and the third order bright fringe is seen at an ang7hbx j 0in:fw+le 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 tw6v te ze:*wmd(o slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, ze: (6tm e*wvdfind 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 separatioa rwd d(4s1zd(n 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 whazs1dd(dr (wa4 t distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochroma9a:he0girwv 4*, nbqntic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away0nh*ae:nb,g4 w9riq v , 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 set hxj- fssj35n6up 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. 6snh x-3fsjj5What 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 pg0fi0i 4a8ii(jf:dj two wavelengths, 480 nm and 700 nm, strikes a plain piecd:pi8faii 0 ig4 j(j0fe of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm)eh:+a (xv0rkutw *z 9 *ijz5r3v gu2yi and red light (wavelength 670 nm) is incident on a thick piece of gla+ezk *9irz:yvr( ju3hgvix* u2 aw50tss 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. Wha(/b/yke +xa;sua; 8 -wt 8fsc aczgj2at is the angular width of the central diffraction peak?jsc+s- taa f;/wx ;a k/g8 u8zeb2y(ca

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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 liyyu9f,v(ro -r1syx4qy nc,m 6ght of 550 nm wavelength. What is the anguln y,ryo mr(qcs 1yx9-vyf, u64ar separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0. *hwgi bw-9iw475 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diff-gw4h iib9* wwraction 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 diffr:luri kvp40gc . jjo89action pattern is produced on a screen that is 1.5 m from the slit. Whakolpvgc9i8.:j 0ru 4 jt 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 wid*nkx3 u mp bo8fx-g-2vth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe fromv2kp x-nu8-gf mo3 *xb 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 4veed.,y 6 qlsn 6-te9f vz:*g a0yhxqp. a2wyobserving screen is placed 2.00 m from the slit. Find v6-zalx.qe .2h9fnt0,dw* g6p4y e yyq :eavsthe 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 second orde1 f(: q xmih8yrahrp5z/48 dhmr maximum i/ i81h5a hx8ympz h4(mf:rdqrs 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 * 2tuel(jii;m 5000 lines per cm. The angle between the central maximum a;* ujim 2itl(end 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 wid9p .agr g9kfst2h/6lde and ruled with 50,000 lines. The26 l/d.9 rftgg9phska 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 nm wavelength produces a first-o5hyox r-g2wi. rder maximum 0.350 mm from the central maximum on a distant screen..hyw2ogx5-ri 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( zbb-vw/ghijr 7tq5ij f)udww6 ./;k1frh.x lines per centimeter ruled on it. What is the angular separation between the second and the third orders on tv5f)jb-wqth.r1z; x. gj 7rw/ki(/widfh 6 ubhe 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. If ned+f3rftd ) .the grating has 2000 lines per cen+en.dtf r) 3fdtimeter, 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 graty.;d26xck(0y s imxnzing. If the first-order maximuxd 6kn2y .y(xci0zms;m 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. Izb5jkg/ ;d7dueea/8 xf the third-order maxi/jdx5 ze /a87u;d kbegmum 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 wavelengt,a2;r3 oab 6m ftspx4zh 500 nm is incident normally on a grating. If the thiam2bop 3a rt ;s4,xzf6rd-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glebu/kd ,y0m65j r9)r n)ghlogass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference gb6khd5om0n9e) j r ug,r/l)ybands 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 1.3za hcp34cn, rrg-53ck1fyz(t3. What minimum thickness of this bubble wr-rg3k,5(cptzf1 c43anc z hyill ensure 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 = 1.33). Whr +ffa/lczci**rh5 (pat is the minimum thickness of film that will give afcr/5 li(*pfh*rc +az n 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 thickncxmx od- j),ngsgn:); ess of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) f,g) j:ng c)x;dn-sx omor 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 be ddjop)ybtfs 4tf- *6-am of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam odp-*f)d sbt-jf6 4ty 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 directi6e1+(ffc txg o9gfcd.on 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 pi7y k:vutn2 ud0p*a8 quece of glass at an angle of yq7ku ua:t 8nv*02pud$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer combination.fh k2u.fgw*m ; The transmission axes of the polarizer and the analyzer ar2mkg.f fw;u*he 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 horjqvj,c0g 8,hi+ uu n8,i .+cksqkm1kbizon is the Moon when its image reflected in calm water is completely pola. j8qmqbi g,kc+ k,k1cvus8h0 unij+,rized?

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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 wvrc5jydz+) ,h a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensitydvj yc,+)rw z5 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 traveling in vacuum and refa7vrr l f;*oom -v8nc)lecting off a piece of glass of index of refractio *froracv8n;l vm)o- 7n 1.48?

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