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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 princibi+ 6ua28gzt tple.
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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 statevb;,v: z9i*oby4il a+iui 3sf1mf,plment?

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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 lighf h (,( e.lv6pjdy1fkct 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 attributed to6jah7c .q x03dfpp;bn

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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 b;ncoeyg(1b a/ yke;1of 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 traveliigq vf2 :/m0ting in air, enters a piece of glass (index of refraction 1.50), its frequenf0vg: iit2/mqcy

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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 tr 173;j5(jo n 9tyg :waluvb:mmpthro )aveling in air, enters a thp ; jonm :r5l1gjtu:7()o9 bam 3ywvpiece 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 responsipq e hq-1mx;krt41 v4vble for light spreading as it passes through a narrow kp xe4v q1t;hq 4rv1-mslit?

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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 oz-5+i16da ffoc r i6etbjects such as buildings, whereas light is not noticeably diffracted. Why is this?1o i+f65drc-ea izf6 t

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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 ligh cle1d;2ua f(d u/hlw3t and dark bands when light passes throed/ u ; f2dw1luac3(hlugh 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 toki2ig-q1f/ s e 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* ri ruz5ik4.scbh :2s screen are in phase with each otheru *2krsi hszi4r:5cb.?

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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 travel different paths arriving at point P j4o,yvti: )*avqcvr*. If the maximum constructive intv*q4 )o rt*aij,cyvv: erference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths a6t +(t/ve0f jt0,vsir ca(djier* w.5 1klejyrriving at point P. If the maximum destructdk5 il1y ,tif(a*0ej6t .ve0r(/ ts+jvercwjive 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 side of the central bright spot in a double-slitvr)6 xzz6z1 xbb hez f1/5j*xbq2gz c0 experiment, light from each openiej / rbzbz)xg0 26v5cxxz1h1z*bqz6f ng 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 eithesf9 -fdi- xdl6y4hjo6evzsk/ w2d:j / r side of the central bright spot in a double-slit experiment, light from ej2o x:6 e/w- v69hk4d d idszf-sfy/ljach 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 g fgmtp.)l*p 2central bright spot in a double-slit experimfgm)p l* tp.g2ent, 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 the separation between the slits fjt*7c.3ok rkp8*rcf decreas7r.kkp*o r c jtcf8*f3es, what happens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between adjacl6y14 ucoqhg:rb)ts0 ent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacg61ly sb 4ru ):o0tchqent 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 trav3 j:03ee7hgu51va;e vc jpuzvels 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*2 d5af;py zfxxi,0mr slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that point2r5pfzm;xx ,fdy0a * i?

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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 interf(mez;xnyp o0h) 0ef( jerence fringes in a double-slit experiment if the separation oxhefn ;)zy00pj e(o( mf the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent mjpbqhwh0/ 2ah wun-4 :jiq 4/eaxima in a double-slit interference pattern using monochromatiqqje4u-b ph:w0//ahi 4n2whj c 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 ex.h 5ng0j1ozoii j+b g,plains why a prism separates white light into different colors isz5gobj,1o i+ngji h.0

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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 rain126cu odeg )kjbow 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 thue cw0p-m pg22an 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 longer than 750 nm is call;ykriy c zptb7:f1j 1oskl9m2s e(6 4led

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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 undergoes1nkrfo pdm gjbh98 4 l;we7).k the greatest refraction when passing from air to gl1bj9 k;go lhn4fp7w ked8r.m)ass?

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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) bp/r pi2dd,hsu(-emqm ;g.msing from air to gl qpgmmi)r-db .pu2m; (/h, dseass?

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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 incidenn. -wty7zm c9rt on a thick glass plate with parallel sides, at an z9 rymnwt7.c- angle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now emt)oo5 i 8c9hholds up two fingers, with a very small gap between th e8 ihmto95oc)em, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increases, whax u2hsc1lg ao2fd.p(.t happens to the width of the centr(d pgf.cu1ohxl 2a2 s.al 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,sag(pa4 ;kzub6a m-:1nn wlf; one has 4000 lines per cm and the other one has 6000 lf(6g,ns4 -lzb;a nm p1:awk uaines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit se*2od..5v4 fwbjqj s:fl3hheg paration, the only difference being that one grating has 3 slits and the oteq.sfhj *45o dhgbl f.j:3 2wvher 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick ag /n;u9zmovd0n 5/vdb re 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 in 9r4j6pa hbfu34 d 4w+ywzrd-nterfere constructively or destructively, depending on their phase difference. One consequence of this pnrd- u9a4w4 j4hdyzf+w63p brhenomenon 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 trav uw efae1z-7ion8bvh x6w 65.qeling in glass, strikes an air boundary, there isfeaw 6.5n6-u iobxwvhq7 1ze8

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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 i08gnnc 9mvmq n1la x76n air, is reflected by a glass surface, there vnlmn 6gn1a mq87c09xis

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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 whiteho fixz80 1,y2s1fsyo light. As the film becomes very much thinner than tsozxys hf 110 io,8fy2he wavelength 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 magnes ey 0jcm4x-*lcium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-re*4yj- ccx lm0eflecting 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 b. a s6+wjvj5lk f-eik ads9;-on a flat glass plate and illuminated from above with monochromatic red light. When viel dkavjj. 56is+;- kw f-sab9ewed 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 for the fact that certain sunglasses can -r jq x7+)ullkh*je3i reduce glare from reflected su+ku x)lqe h-ji rj3l7*rfaces?

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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 ;w eg +1ay.wjszi0.zpof 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 dichroh ; 4xma19 lwxcf(p1mbic material like a Polaroid filx 9 blf1c(hpa mw14m;xm?

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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 perpendicul (obv(s .pv.qj am mg60kn9t zgh45wx3ar to each other, what is the percentage of the incident light wh0go qbmzj64(v.k3nwmp(v gt hs9. ax5 ich 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 oa usra gs:5p4ygr8.8the 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 sunalz/ leyjcynw 3j v71hz366n7light 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 followingq*b, m,bg 5 ytsea(r;q 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 mok- wpr6mhuh;2i;k +f cre blue toward the zenith (overhead) than it does toward ;c2f+ wm-upr6ki;hh k 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 into glass,lmh b7t2rivvfp*7s7j9.z-o i which has an index of refraction of 1.50. What is the wavelength of the light in the7b.oi*9 mlpv tivjrh-fzs77 2 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 ,wrufn*lvj-) /nqh, einto glass, which has an index of refraction nqvrhf/ ),n uljew -,*of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 6r q8k2ha hhp(.00 nm in a vacuum. It passes into glass, which has an index of refraha8hpk. qh2r (ction 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 vact:)pxjrdan2d7c v7qx vk ;qyq*n 2,, auum 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 nc,s*j06pihoni v1p c, o+2jh rm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to t4y1fyf n. n.6oejsfx1d2 bx:c ravel 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. Monocha ;1vodsmlmd b:dwt7b 6qa21 (romatic light falls on these slits, and produces a fifth order interfere 61obdq m wl2;dtvsba71:md a(nce 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 5/zqkj 4oig w(175 nm falls on a double-slit and the third order bright fringe is seen at1 4zw/oj ki(qg 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 sl-3cl rxt-k(6k-q.ln;;ouk i se2ij m mit experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen isc(s k3m6;-.nml rle-kqjt;oxk-i2ui 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 separa6*yk zhg)fh.ution 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. * kuhf).z6h ygAt 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. Monochromatic light of wavelength 634 nm 6vze4j2v4igd falls on the slits. If there is a screen 6.0 e2 d4vg64zvij m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is inc-caywk1b(bip - - zx8aident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on aay kpb8 w b1-xicz(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 700 nm,sat9( gv73c wq strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass 3c9v7tqs g wa(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-he1zej; iu 6xby3x.r nm) and red light (wavelength 670 nm) is incident on a thick piece of glass .ehx u31z6i xbyrje-; 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 the 3m ; ii;n+kkgqangular widthnm3i ; qkki+g; of 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 liox00d-547l)jr1ju6s ei i2 dlb: 1lcv lcmhsf ght of 550 nm wavelength. What is the angular separation between the first two minima onli2) 11 6cxdluvhsmr4-e iscj5l fbj0 :o07l d 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 k5 ej:ppm*o)d4o-y r f687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the dijofepy o5m)*d4r: kp- ffraction 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 dif1c.zu y8vp bw6fraction pattern is produced on a screen that is 1.5 m from the sl 8b1zpw.u 6vycit. 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 580t62. 6uuk vmtf,bz k + oc1yjt;k5jyz* nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fr zmt 26kbo+*v 5uujzck;jk , ft.16ytyinge 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 9;flfbb6u/ywf5i vt7vhf7.m nm is incident on a slit of width 0.300 mm. An observing screen f5f;iywlf9vbu 7/fb 6vhtm .7 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 mb3i7 w1ppq5ktrs7:ra grating with 7000 lines per centimeter, its second order skp7 qm3wpri7:br15t maximum 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 lines per cm. The angle between the cend6gb:o*rgi7f;b z9vhz hc f8h3np q1 )tral maximum and the fourth order m)nzh9o8 bf: b ir7z 3h1*6qcgp ;dfvhgaximum 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 wi 7d47nz zsgchm;sr+s( de and ruled with 50,000 lines. The second-order maximum is seen at zh+s; 7(7n 4srzcdgms$32.5^{\circ}$. 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 ofs:pud k.i05iw)auu;,bott zm4 d kv;7 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen.ot ,;dsw.u0du5b vmi7ti ;kuz) p4a:k 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 8fdyi uzj.d r;z6d,s6centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminat 8d 6yj6dfz;ds.zr,ui ed 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 gz;g;*0qvjk fqrating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the qz ;jqf0;gvk* 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 grating. If the first-oru w/( vfk5m h,zd5z2vwder maxifwv2,hzd 5(/ zw u5kvmmum 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 incide5j u k ll/yk6j*kpige(f/r:i/nt normally on a grating. If the third-order maximum of tkju/*k/ ri pl(6/ j:k5yfelighe diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on kyo -dj dt-5d )g(ao.ua grating. If the third-order j dtk 5oy)gao.-- u(ddmaximum 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 an5s6f dmw7plrmgg0+b 1 lcef2*other glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart arp56dcm1*lb2lf sf+m7 ewg 0 gre the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33.5677;yvph 1byyxd,4kuir arf What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengt64, ;y pu1ak ryvrfyi75 dxb7hh 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). What g s6ia xtr6s ya*-93nq7d mlw5is the minimum thickness of film that wi6na95lyxs-wqd 6 rmias*37 t gll 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 thiy8cy... 3 k9q6qrv3veks.l 6 ays-quq k sxrb3ckness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nyk38.a- vyqvkk q 36su6...xcrerbqs syq 9l 3m?

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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 placedv e:/h5dz25c qf92,sxk fyygc in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer sdxfzfc2v 5y/h yk95g,qc:e2is 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 directid sx/c sgzb5a-w+r) -eon 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 ligh 9-zhgr ( 5,tskmgqm;pt in air strikes a flat piece of glass at an angle of k;t mrzg9s, (hg mqp5-$57.3^{\circ}$. 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. The tra5r5o5m /fi0qpfw so. dnsmissi/odqmi5 fs0.f5rp 5owon axes of the polarizer and the 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 the Moon when its image reflected ig zy6p g1iy5oe x9;nu6n calm water is com oi1u6xgn59z yp eyg6;pletely 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 aw .cyou -dpn9x,: :cus polarizer and then an analyzer. In this process, the inted cy,u-x ucw:9.:onp snsity 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 ligh;kzj5wxh;z 5az9 0ll(;nqlxfa pt g :*t traveling in vacuum and reflecting off a piece of glass of index of refracti;zlxjpgnz 90xf5q *wla;zhl5 a:;( tkon 1.48?

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