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

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

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's principe+ n3* :lw/9y /y2 bs7lzssjfzioq/ngle.
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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 i. q0d*fqz8sk gs 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 attributed tb*s b, +t.jxpzo

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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 attributed t;.9 rghhmjn5e8p-fq t:vvkg/ ; qgsy 8o

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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 different optical densit .j0v:*y os(,nexptnty,

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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 s178mirl(9c u4 si lxunm), originally traveling in air, enters a piec8r xuuis91 7lcl(4smi e of glass (index of refraction 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 traveling in air, 8b/zwmptx ) t9enters a piece of glass (index of refraction 1.50), its wavelentzwxt/mpb9) 8 gth

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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 so.u i2 8 u,v6d 6r.vioqrmtd/ihs;h.kpreading as it passes through a narrow sli .hi/t 2s 8do6.u;ru,vdmv. k6o qiriht?

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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 bui g b a3 51tcrti0cwzkq9994-hsc rce2uldings, whereas light is nor1q9cg 3whesr 9cicu5k2 c9-tb t40az t 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 ala:(p0y4nz u3 r3a6 .rqc-ckldh lw rp:ternating light and dark bands when light passes through two or more narrow slits 46 k.3yr:(3phc0a ulrp rqlzd-aw: nc?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources ares35ky ug31fw p said to 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 l4/y c2k9mkzzn4 .lgh acsu2a5ight rays striking a screen are in phase with y2z k 4c4/sn5 hglua9mcz.k2a 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 li1( o(bq1dux7zmoclc0ght travel different paths arriving at point P. If the maximum constructive interference is to occur at polb(qooc0zm71x c(u d1int 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 travelg0o47 t ,(qbq cf9fhdf different paths arriving at point P. If the maximum destructive interference is to o7ff0fo(t9dqg,q ch4b ccur 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 side of the central bright spot i/ m2t q 57q9sxflq6amvw6xhy .n a double-slit experiment, light from v7fy.2s q5m/qlmxa6x69h wt qeach 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 dof) of foel501rk7-b2zwc (ds uuble-slit experiment, light from eal k 5f2w 1fd7z e-b0fc(usoo)rch 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 eitv( vlj 4d f.usb54hcm6her side of the central bright spot in a double-slit experimemsc (f 44jhu56v.vbdl nt, light 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 t20 k. bgq*jsxrhe separation between the slits decreases, what happens to the distance between the inr* qsgk.xb2j0 terference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is obseri3(7nsb8p75x1abydmbb 4uvtvj. s s 3ved that the distance between adjacent maxima on a remote screen js vn 1b37d4bbbtvy75x3i.s8(pm a usis 1.0 cm. 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 ltqiq0a*qwar :(flu0 -o * c05ze9wdlqight 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 slf muz72dl : birt-3gj6emdk. 0-fp2o iit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at thf 2jm- t7mi epfd.-k3drgu :bil2o60zat 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 dor2x/eyd 5i:j euble-slit experiment if the separation of the slits is less than the wavelength of the i rxe j:d2/5eylight 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 inteidhs;o.winhi h6rgu)z,8/kvg f 34f 1rference pattern using monochromatic light ivgf ) h.,h3n ikg46id siu ;hozr/w81fs

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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 whitegftzr56 )o sx4 light into different coox)sftz g65r4 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 racv qmdn8(7xo.inbow 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 qhxrhe* 75re.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 longer than bmx 5vukp+ f)c 4szi77750 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 under6bi5.:gnzb a :kvw wp:goes the greatest refraction when passing from air to gnw:ivkwbb6 a: .z5gp: lass?

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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 underzxir 81pou0*-rfy i9hgoes the smallest refraction when passing from air to glasuro19zh8fp0ix *i r-ys?

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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 incidevg.)(yp) xhv2owzy-lqnl w54 nt on a thick glass plate with parallel sides, at an hqp)gw2.w(o5-lyv)yz4n l v xangle 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 distua k-pf,i7iz2 ant light source. If she now holds up two fingers, with a very small gap between them, and looks at the li2pzf -7iiuk,aght 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 slvkbl/i9 ia1ma 6(x ; u 5vvvnq z++wl(t8ajmr2it increases, what kvtbi2ai+ml ql n(;a6jx v 9mzvw1u5+va/(8 r happens 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 r: ,mmc;m4oh)ko j86 akm egtjvg2m 4.per cm and the other one has 6000 lines per cm. Make a statemenkm c8eg:jm4h.;m,2r kog6tm j 4)moavt 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, l8m 5iq f 5frmw-y/3uithe 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 concernimui5yq -lr3mfw5f i/8 ng 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 arerble/1jlad7r93(7 rks1tkz k caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constructivelkj(2bpy+/ nuk(ne * mpczj .86 u6sviuy or destructively, dependingjj u2vn6eip z( /u8k +usc(.pnym6*bk 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, which is traveling in glass, strikes s m8ixt-hgc-sdz6rge+ -taky- f-:i: an air boundary, therhty-deirzac-+gsks ig86f-m t:- :x- 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 al,t 2m,lsc+i n*b:pfo glass surfaceblp, 2m+cotin:*, slf, 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 in white light. Aec;bwx,s;q*qzoj h h+/ 8i5ves the film becomes very much thinner than the wavelength of blue lo q/i h;zq,b85eh+swj* ;c evxight, 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 lig( xavd+;gw,ta75 qyvr ht in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that musa5v7xg,(tr v; +wdqayt be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass pg5i6 e ixmw/- ,8sguyslate and illuminated from above with monochromatic red light. When w /i-s ,s8geiy6 u5mxgviewed from above, concentric 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 foay 0s hqu)4b(/ )jrdixr the fact that certain sunglasses can reduce glare from reflected sj)qb a( rxu0/h4idys)urfaces?

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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 direc07fzjc z1hi3ws:o4 se(rf +ojtion of 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 dichroic map9* (vx1tjfjy1j wmu5 terial like a Polaroid fi*j1yx5w1ftv(p9 m ujjlm?

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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 r)gv6h:iul z/each other, what is the perczg/6:lhu) vrientage 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 d yw1e2 blh6/xy2vme5surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greaf(kql dllpe )+;ro5 q9test 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 followindonnvo* 6* l*dv7*peng 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 1qq m(:v*a;aypx+ y cq1uo.vn ss;6 vemore blue toward the zenith (overhead) than it does toward the horizon. uq(q epm1a:y;q*1ss ;x+ovv nyvc.a6 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 vdtbv-d9;*tr c acuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glass 9drtcb*dt;- v?

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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 k,1rgbf7k gvnq / x2)van index of refraction of 1.50. What is the,r2vf 7qxvg1bg k)n/ k 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 x 8cnteo2n,r*w8owb/,pv k;jglass, which has an index of refraction of c*oten ,r/o x 82j;kv8n,wwbp1.50. 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 5 t9 of,jf yiglat)-/k(50 nm in vacuum 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 fyy4kar : 1umy7ound 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 gikbd rl;)1n+ nm 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 lightegcmszdt4 elu 8 yzp6ut.:g7p-/j3 +y falls on these slits, and produces a fifth order interference frl8u ymy.zs7c/pegg3 +6zp4uj- dte:tinge 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 douq-6w6p. 2yr r ;vaeljlble-slit and the third order bright fringe is seen at lr.6qr a2py;lj-w6v e 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 separatiohhkc-lqnpl : )j 1s(4xue:4nr)v, ejv /pb jm:n between the two slits is 0.050 mm and the distance from thej (eemjhqs:r-puvl,c n b)v:k/ :)j l4px 1h4n slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation iu* teo3,x9sz cbfhbo)x+0qj;s 2.0 mm, and two wavelengths, 750 nm and 0f9b ; h+u*j 3esoo x)xtbqc,z900 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 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. Monoch9m/r8 zkbko06t,0.tw gu xdciromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferenm 0td8o wbtz ckurxgk,96 0i/.ce 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 sjrdq vqjx / r l6e:3aomywq9 zk72s6 qyc,),h/etup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright friqaoqhwj6m3qysqj)/6,l:ycx7 z2vd9 k ,/rre nge 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 700 nm, strikes a vbg8:t8ele4zzrlnw34 rf .l3 plain piece of glass at an angle of incidence of 60e. The index of refraction of the glasr.3e tbzenl 8fv84lw :r3l g4zs is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (wa8ob0c)fyu4g-l 6f(k wt, fn sdvelengtlk6nsdt-,uff8b w )( 0ocygf 4h 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. Whatn.6gwj owu69 um42phr is the angular width opw.m6rnuh9wjou2 46gf the central diffraction 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 lmk6p/r ( t4oct:a7g :vwuv. rqight of 550 nm wavelength. What is the angular separation between the first two minima on either 7t:ouqcv (4 r/.:rw ap6mvtgkside 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 0.75 mm wide. io 3b0bi7e1m/rb0t 1sy5jlju At what distance from the slit should a screen be 0io3sbljemy/jb iu 517 r01bt 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 incidentnem k9h.)s*-nc-0yma vmjtd 0 on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central mac9j.kynt he-0dasvm0 -m* m)nximum?

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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 w y1:* iqcvad. i m6zhg.:9fi8btbby ;of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the firs:y 1 bq68i z;*vihbb9:iwdtg.ymc.aft 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 width 0r t*06i ons2f: r*9m6ko lmccz.300 mm. An observingzots*l6m92 f:06rikc mc*nr o screen is placed 2.00 m from the 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 linet yp,1al.2wf bs per centimeter, its second order maximufytw21l .p,bam 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 )b3,ra/i;rq scr9r o jlines per cm. The angle between the central maxima9/) coq r;j, brrir3sum 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 grating ty fug gu8aq)(l2z l+o -wa5mv(hat is 75 mm wide and ruled with 50,000 lines. The seco ) a u(vlzfwa(qml-g+uo85yg2nd-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-oh 46sppzt /t4)m ne7gtrder 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 grating. What is the wavelength of thme6h ) s/n4tzppt7 4tge 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 kg8lr:sx zfou 2 :hrhg: 3wa45ime)9jhas 6000 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the cee omas):f8g5l kx hw:h 4:3zi ugr2rj9ntral 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 th k x/xejdmy09q9 8 )kf0xm(t-qw7qjdwe grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear im9/dk)x(wxxt q ew97jk- j8m d0 qyq0fn 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 gratins xm0la9m- cc3yfy9+n1qpy 5fg. If the first-order maximmy1nl9f+y9- pms xf ay5cq c03um 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.. cebu26n 1mqd If the third-order maximum of the diffractionquecbd1.n6m 2 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 nfh:6 sg7v1isw*mxh*o ormally on a grating. If the third-order maximum of the diffraction pattgx hvs *6 s:m*1owihf7ern 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 separatedu -2kxw/ .-ypofgva8n 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./8gp ko -way2-xvunf 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 indk)a73 t bc;1;ke8mxpxkp+ m ncex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance oa) ;;ncpbx3+mk 7xpckm8tek 1f 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 (fr6f.-yje6gae. 9mmsgj :a 7v n = 1.33). What is the minimum thickness of film that wilg66j :ma s79ervj.- ayfem g.fl 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 nonreflecting film coating r )ku q y lm:p9qa6gu/ad.2,lv(n = 1.30) on a glass lens (n = 1.50)q9avk6l),qay2g .rmd / plu:u 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 unpolarizedyt(9axj;j3h o0w-x xx ,9ipt q)lp*ge light and the intensity of the transmitted ligwih9p( qt o0)ega9 j;xyx3-t,xx jpl*ht is 1. 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 directi l:j0uc b(g+s1 j;w/vhufdvikd4 /:cion 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 t4hbh,6dtwkq x y -p*)s3o)fta flat piece of glass at an angle of ftq6t h)o*k3d4s- wbtypxh, )$57.3^{\circ}$. 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 po3y45uzphuw i/m* 4w*yv1pl i ylarizer-analyzer combination. The transmission axes of the polarizer and the hyi zw*/p4*u5p3wuvy1m4 yl ianalyzer 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 reflec xu.d22rva 2d/jgyy2e, c 1wpnted in calm water is completelv.ycdj22ypwd1 ne,x /2 ur2a gy 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 analyze: u0kloqhi 99fr. In this process, the 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 aiuq9l:f oh0 9knalyzer?

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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 lightb6adg0l vl20 : cph8f1(w; uhshzf tw+ traveling in vacuum and reflecting off a piece of lh a082ut10fwcl( +vzbgd;sp6h:h wfglass of index of refraction 1.48?

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