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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 princ/ qjf,lbu;km (iple.
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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 statemek,kdavpgk 8v :;pvti )v-t71k nt?

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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 attri 2e1brz:jd yx,buted 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 udgz ;cr6rzi4)j8vm , zxt)x6 attributed 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 me((dkck *e is9vdium 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 (wa)8 ler8 v,sdupvelength = 590 nm), originally traveling in air, enters a piece of glass (index of rdep8vl), us8refraction 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), origimef)+4 buzt4 7jvri(*yeyuy :nally traveling in air, enters a piece of glass (index of refraction 1.50), its wai(ub) jrey4tvyy4 fz7+*:m ue velength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsiex14jbj/zl f3ble for light spreading as it passes through a narrow slz/el4xfj 3jb 1it?

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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 buildings, whereas light iskbio) quw /3i: not noticeably diffracted. Why iibu3 w:q)ki/os 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 ja1d hkke k9,-1qj*t a+o9 bkyfor alternating light and dark bands when light passes through two or more narrow slit1,ja9-kke +k q a*y1ko9th bdjs?

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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 vb9 pt/oc)3 f(rlx,p6 bqdl0n 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 strikin+z d(2x)ha;k /y xqepvg a screen are in phase with each p+ad k(z2xxe;q/)yhv 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 light travel different paths arrivmb 4h0 u3hg1j,yvao4f ing at point P. If the maximum constructive interf boy h4ghjfm3v0, 41uaerence 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 4(qmzy b 67gykxuu0soi9ft ip1n+)c(paths arriving at point P. If the maximum destructive interfec1i p4+s7(g uq)(yimukfo x09bn6ytz rence 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 douf4xv/ f/wi9.0q hm ponble-slit experi /vx fn.fwm/4 hp0o9iqment, light from 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-sly we0pzhj 6 z)n*9v5smwgk:l8 it e hn lypzkwg w*em6 s)908j:5zvxperiment, light from each 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 hr9;du6d p a5mside of the central bright spot in a double-slit experiment, light fd6m5hdp ua;9rrom

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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 sqv7t; rj0-mo glit experiment, if the separation between the slits decreases, what happens to the distancemvtqr-g0o ; j7 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 obser7/dnowd 9y-fxved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between ad97nf d /w-xyodjacent 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 t qe8s7owc1 (;azb 4o -ju;edseravels 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 arrives at a point5 :scdfyequi 4g-la(( on the screen one-half wavelength bigd c a4sqyul-: (5ef(ehind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obfb2 .te9k vmi0u) eef7u;b,u ytain interference fringes in a double-slit experiment if the separation of the slits is lesmevftieu9y; 0u). eu2b7f b,ks 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 maxima in a double-slit interference pattern ui;yigs9elk :e0 4 u6. zas9vgusing mono9l. iusk4a ie s96gyv:;u 0gezchromatic 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 prismd*ldnql 1lnvbu6xfmg+ 0t/vd8/-bk; separates white light into different colors fgbdlt b1*dn/6-l lk8+ vu0qv;/xmnd 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 allojbe+ j 0yp3dmi2 i bqvi0+we*6ws 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 wavelengtq2u3q- e)wjqx*mare36e vh)rh slightly 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 slightly longer s qfw8.vzfnmv by;5(6 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 undercph5un9p8;v vfe// b ssdf+-k goes the greatest refraction when passing from air to glas nk/d;u+f-bsepv 8fc9h p /sv5s?

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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 smallgwv .b:xk umn)57cq*jest refraction when passing from air to gla:jxnw*) kuqvgc 75. bmss?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with paral pnl3z bwmv6+0;yoy1wew/a t7lel sides, at an angle between; l 1p7eay +bwwt 30/wn6vzomy $0^{\circ}$ 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 ddqr b-qbm6/ 4lsaic j++gpa::istant light source. If she now holds up two fingers, with a ver6mb :qa /p4srgdicbj+l:q+- ay small gap between them, 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, 3 jjkjf:.z,kq qjb lf04v5-d. xmv4kx what happens to the wi3q.0j: l4.,v jzfjkfm5xd vq 4jkbxk-dth 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 grats m2wj4.be,xt ings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the disper sbj24.emtxw,sion 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 grchnf5j-b*5n 2gt ho+ katings with the 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 ordeh ch25-to+bfnjg5* nkrs.

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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 bby*e3fcv 1z2yv+r .:c -eeyd ry 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 l-dvcwg :gz yp +1gu4(sgd tq.+ight waves can interfere constructively or d y4zs -:w+(gc+tg1d pugqgvd. estructively, 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, which is traveling in glass, strikesh +7)pxucjp -t an air boundary, therec p pu7x-hj+)t 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 wugs4bi, zy8( by a glass surface, ,(4z 8yu biswgthere 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 lig1fae iotr+0lr:( 3jcrc a c0(xht. As the film becomes very much thinner than the wavelen1 f:0oi0 a cjclr((+3craxe rtgth 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 -wzz0c, vsgdg1k g92f,fb.z i light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glassf1cgz 0s biw9,v- g,2fgk.z zd 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 placedgemb,n;f() h ,+g xrxk on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bandnmh)r,x ,+(b gkfe;xg s 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 t* gcd3b(:lojuhat certain sunglasses can reduce glar * (jg3blc:doue from reflected surfaces?

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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 xwe 1u l)sr (p67icbd28 c k+yivug;m1direction 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 pb, hhhn- c6tww(o:e1in a dichroic material like a Polaroid fit hoc:e6w-b 1(n ,hwphlm?

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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 each ota5tfh;0o. e0h1crsk 3 ipu*cnbd7 ,u cul t5f9her, what is the percentage of the incident light which will pasrh37dt 9t0ubkho c *0c fn e5c,u1;pf5ul. iass 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 fr w3ize6,gni/5+q (byfzucgz/om 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 is greate /c0ju4whr.b3 ty9vls st at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is di-/bxbxv.s q2l-r4:osw v3 gigffraction 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 (over,3bazs.lz h- ihead) than it does toward the horizon. This ias-.hbl, z3z 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 nxds*.t-luv; passes into glass, which has an index of refractxltns*d. - ;vuion of 1.50. What is the wavelength of the light 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 pa t73niod.9s zlsses into glass, which has an index of refraction of 1.50. What is the fsod7i lt3zn9.requency 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 +fz;j p+pazg* of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the spee;pz *+pzf+ag jd 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 nm4w1 de3vj o1u*0i7kkne zm(wn 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 ia(a26 m8qtno4gpns v2nn74w h.2wtjdn 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 ajzeolue(a;5x7f45f t ir 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 tqf-a+ o0ry *ren sr8ni +wanq:v+1 x0phese slits, and produces a fifth ordere n+os08rnv:w- af0ri1ap*r+ nq+y qx 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 1lfvrx( crhqiha /33:nm falls on a double-slit and the third order bright fringe is seen at an angle of 1r xah q(:fhv3lc i3/r$6.5^{\circ}$. 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 separata-aj(i26,8c6n cs+/nyob r* hzj zpniion between the two slits is 0.050 mm nniiraz socj nhaz 8+*yc66/ pb( 2,-jand the distance from the 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 is 2.0 mm, and two wavfdy83aif ct fo*u m:36elengths, 750 nm and 900 nm,uc38ff:6f*o myd ati 3 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. Mo r;r p3.p/ttsnyd/r.jky.5 i nnochromatic light of wavelength 634 nm falls on the sly .r nn/r3/ppt.ykjd r5;tis.its. If there is a screen 6.0 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 incident on a Young'si17 6zl ujbx2z double slit setup 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 fringe and the zeroth-order brigh xl7zi2 bjz16ut 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 7(gx mkz b0e hce*pn7s+3v 4kcplain piece 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. Determ+ek37zhs0k*bm74 ( cp xcvengine 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 ligzbh8czntzt8+tf g )vc3 594osht (wavelength 480 nm) and red light (wavelength 67+cs8)f hbnz3tvo8c g zztt 5940 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. Whaew(ua;p,l(wqey( (l(2 zr,t o(l4j8 vgozhbwt is the angular width of the central ve(j rwazepuwt(;,lo (8bwy (( q,( zgoh2l4ldiffraction 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 0.050xym*aaysgy(:si1o0 1 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maxi(*msi01xy :ayayo g1 smum?

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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 inc( :;of- q+ee emk8hbhk5x6fsmident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark eh xfb- k(mk5:ef8s m6qo;e+h 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 mn k/e,i488lfd gmla0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the w n8 0/l,8kgmeifla4dmidth 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 width 0.300 mm. pnq(vz;f.i9 jqe(mx--a a (dh An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fj. a qmfh z9((i-qd-anvp;(e xringe 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 wi/kdetduw0qms (e /l6 3 5w5sekdth 0.300 mm. An observing screen is placed 2.00 m from teq/w em d0k s5 65twu/s3ekld(he 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 gra 7:owy1-ow y,krj(ph bting with 7000 lines per centimeter, its second order maximum is7y p1,:yhboo(w-kwjr 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 hyxj7g: m6ud p*as 5000 lines per cm. The angle between the central maximum and thepud7m6:*xygj 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 on5xgcd e)jp18d/ws ju6pgu 02q a grating that is 75 mm wide and ruled with 50,000 lines. The second-order p 0 1c pjuj2 dwe/56)gsuq8dxgmaximum 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 fit6w i;+l)1-aa otpcfv rst-order maximum 0.350 mm from the central maximum on a distant screen. A second monochrom+va fcloi -a)t w6p1t;atic 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 o7nz(bldmg: bz+ . fezck- 9bz8n 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 illumilg zmcfnz8b-bkzb. z79e +:d(nated 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 the 8xn 5i 2ayd.:xjxi ik3 v2n 7p2vrp1ikgrating has 2000 lines per cev8i x j2vi1 7yx x:n2ad3k irk.5pin2pntimeter, 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 grating.a5 kt0kfqqh- qp )yym5bw98;y If the first-order maximum occ) 5q-w0y85 y9ky qm;fb hqatkpurs 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 tf1k9h 1oo7dku 4pnpobm i6/; a grating. If the third-order maximum of the diffraction h; 74 /n1umbidk1kop6p too9fpattern 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 504a9(6p8h myvta(b/r 3( kgl;pzkrzmw 0 nm is incident normally on a grating. If the third-order maximum of the zyr63(bvkrap 94/ (gm(tlp hwa zm8; kdiffraction 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 glass plate at one end by,e4oa74dye6v pfge2yeey; 8y a strand of someone's hair (diameter 0.010 mm). How far apart are thev6ea4o28yeeyf y4p7, eyd; ge 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 v/jhqq gz q ld45x4u(rv9j62hof 1.33. What minimum thickness of this bubble will ensq6 5vvq q hj4r/(xd z4u2lj9hgure 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.fbdu;y*-ssl3en17iuud lek -h ci6*tnr-. 2 u33). What is the minimum thickness of film thatrhe1fl-6nc it*ye. - k-dusu ;b*2diunls3u 7 will 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 (n = 1.30) on a fthnfp:rb2 *3 glass lens *bf23: pfnhrt(n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarizeduf0b j* y;wkwv(yx89u light and the intensity of the transmitted light is 1. A seco w8wy 0bv9k*u(f uxj;ynd 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 direction.pz5xwu/77 fw5gkjitlgs ;* v 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 str yhrv8c7;jgyl. )- wgrikes a flat piece of glass at an angle of .w7r cggr-vyh y;)8lj$57.3^{\circ}$. 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 througpwj .n.g; xmxchlr:o ed)j p7)3w:vc1h a polarizer-analyzer combination. The transmission axes of the polarizer and tg:;lro)1c.p vd 3jx.m)pwhe:jc7 wx nhe 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 when5:+1oi 2 oqdc/wxbyf a its image reflected in calm water is completely polarized? w/dxcfya:qb+ o1 52oi

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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 passe(42mf mkg4n/xzhtu7z :fmg q4s through a polarizer and then an analyzer. 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 ak:m m 7/(zhfzm424fn x 4guqgtnd 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 fo8t2dz w0a,7icn6vsu5b qml* xf mqw2( r light traveling in vacuum and reflecting off a piece of glass of index of refraction0*7nmt fiqzcu6 vb lq xwa25md ,s(w82 1.48?

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