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习题练习:Physics Unit24: Wave Nature of Light



 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 principg(b( 2b1r uhcjle.
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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 fmux1q,af z 1;ralse 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 isxnq6 ak +wuuv5p+j+c)br met r7ii087 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 ligrj d9 55rpzmu0ht is 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 ins7ohwbh t 0cu /ars9:0to a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelengthqo dfu+mx nw -, a15z1gt-fcs2 = 590 nm), originally traveling in air, enters a piece of glass (inde-+o sdx,n2awcuqfm 1- t51zgfx 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 traveli ro- y* 0e2kubmwz1,xtng in air, enters a piece of glass (index of refrr ,m-e*zwxk0oy12tbu action 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 5peur2-e- h8xlw3cwv passes through a narrow slwelux v8rw-p- 3ec52 hit?

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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*r w5dytd.arvk1h 5dlh+ w:5t buildings, whereas light is n:+w.rdht 5d1 5hktl* vd5wryaot 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 alternfr3n( s po3rp0ating light and dark bands when light passes through two or 3n p(s0rof 3prmore 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 to be coherent ifumni3kght4+g4 y )d1pz b;3txoh c;*mj i:ws: 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 s2zj6a et-mmra m-(fgt y7*x t;triking a screen are in phase with each othera6xjgrf m-7tez y;2am*-t mt(?

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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 poinhp s;iucgc9))q m2e.z t P. If the maximum constructive interference is to occus )m;iec.g p2hqz c9u)r 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 lilc311 g36 onq utq0.wmqqd/ dpght travel different paths arriving at point P. If the maximum destructive interference is to ocl6.gn/t0o3q pq11d cqudw 3qmcur 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 s.umx/bwr ;e5s y t3xfck,lh /7ide of the central bright spot in a double-slit experiment, light from earmw,c5t3 l/bf.e 7s u x;xy/khch 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 c d4i q2iaf9*uqkps36v entral bright spot in a double-slit experimensp a23* kf964viiqduqt, 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 side of the central bright spot in a double+)7czdz4wa nnk u +ww(-slit experiment, light from7zz c)wak +nunw4d( w+

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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 bea07 ns,+yke2voik 2wc tween the slits decreases, what happens to the distance between the interference fringes,wac2nykveo +k2 i 07s?

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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 th6ak8,ni.n vr-c kib9;qmv w/ke distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maximaq,;8/kw-kr6banv. m k9n icvi 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 travels panizhy l v;-fj(dei*+j* o ,a.wth $P_1$ 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 ;en q kb. vcd64k0yqnh8x6;uyYoung's double slit experiment arrives at a point on the screen one-half wavelengye;nbvd.chn8yk;uk 46q 0x q6th behind 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 obtain interference fringes in q+)i(;swfh im a double-slit experiment if iq+hm; i(s)wfthe separation of 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 maxima in a double-slit interferencbsk +9 vlco*as7qe(6 te pattern using monochrom bev7kaq+ t(6 cs*ls9oatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light into differla ssd5 /,,gwkent colors i,g ,5sw adlks/s

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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 rainbow to e4yp6ck/h3x.ucx :by 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 sl) qymlx gf5-usd*p /p/ightly 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 lo351 x fd t2kqgk k.a2pu;x,5qjuhc 4;jl4bhtvnger than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing frao9uw+qa+k:4u6moe q 8v ug a6om air to a+wmukgo6u aa uqo+ v8e:9q6 4glass?

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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 lq(sb (f1 kf6yundergoes the smallest refraction when passing from air to glasbyf6k( s(1lf qs?

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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 pl bq 7eze))bwtg67/f dgate with parallel sides, at an angle between ))q 7gtd/z6be fewbg7 $0^{\circ}$ 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 lightlzn mm*z6 g/*ne yd0x0 source. If she now holds up two fingers, with a very sml 6 emn*gxny*0 dzz0m/all 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 tr fajg+ynyqcgsd*md g61:(/:he width of the slit increases, what happens to the width of the central maximum on a scr(m nyydc j6sgqr/d*ga:1f g:+ een?

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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 hasu suozuvjv3 2ar xd2c-8l 1f23 4000 lines per cm and the other one has 6000 u3j o8c2ua2rl 1uz vfsvx-23dlines 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 yz lo z)ipc (7as56hix:g0x3zq; pug0 gratings with the same slit separation, the only difference being that one grating has 3 slits and the 0qsx07 u)xl3:po ;cyi(zp zi 6 g5hazgother 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 are caused b.lii 4gn+a9h *9pawi fy 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 constructivwca s:kh,3 1h0 eou8mgely or destructively, depending on their phase differenceow3c,ek 1ums0ha: 8 gh. 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 bound8 wu)qzpv l (9h+kmyu-ary, there i(uu8qhy+z wv-l) kpm9s

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glass surfac qadc.+ olm69ie, therd6c.q 9ial+om e 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 becf3:yuk2ik +a somes very much thinner thaai s:fkk+ 23yun the 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 magnesium fluorio-65 cw ic--1nt zpdonde, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-refleo5wn c ot-c1 -p6n-dizcting 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 g x 7obha8h*l (nx8 jcy2am*y+class plate and illuminated from above with monochry*xyaco +mj (x*l 8ah78h2nbcomatic red light. When viewed 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 fac5l iy4*cvml2rt that certain sunglasses can reduce glare 5yl l4m2v c*irfrom 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 direction of polarization is defined wuu 8j5-(.txczm d zq0as

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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 mater:1hk2s/zt cn 4mlea j-ial like a Polaroid filz2 j1lms4- kat/ h:cnem?

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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 se epydie os07 54s 4egw)a3z7Polaroid films are perpendicular to each other, what is t)s e iewe4as543gsd ey z77o0phe percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of a lakef i)( xcpfll; 8g9lponh8gb bif-) f76

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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 0l e6qnn6j* 5js4t(jnz3 vafi 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 following is diffranq tira )e4d)8ction 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 moreg d v7 qtznu9.li: y,wbm7.q(i blue toward the zenith (overhead) than it does toward the horizon. This occurs bn7dw u9.i( imq :tvlb.7qg,yzecause

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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. 8nryddn*,a1y8 v a,5. bk jddq It passes into glass, which has an index ,1vy *dy8,5.k dnd8jrd aaqnbof refraction 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 passes into glass, wh)4kg9-;r)o 7 k9ffobsm vry:* v mtmrvich has an index of refraction of 1.50. Wh tsv4mgrok;krm*9:ro-vyf 7 )vb m9f)at 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 in a va dvz2w1mrqa9 sno (6cbxe/-p0cuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the xr6 dm9swba1 / q(zno2 p-c0evlight 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 r p6v.0zn yv-s0njxj q,r,6mzfound to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travel od 1myf7 a5i6,ie pxq,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 .i xkx8f,e1e8 tzc ukv1k7)yqto 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 li3m3x4fp c(o pught falls on these slits, and produces a fifth 3p( f4ox3mu pcorder 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 falls on a double-slit and the thir6xrwyax4,ux8c sw 3q:s:leob5(ig b9d order bright fri: 3 obx59iua:wyx wsq6e(gs ,x84rlcbnge is seen at 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 separation between the ,tj i5u lwt2n0 r)5tlttwo slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spac5j5wt0t n,l 2)uilr tting 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 ly,-+eye lojd d/t;y p7iumf .n,0:pr mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what dis n+, imuetr-,.y pyo :j l/dl;7ydp0eftance 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. Monochv;zwv q 0yew.;romatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how y wv;w.zeqv0;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 s*xioqq1xitze-t .y e8lnb4 )lm( j x20etup that has a slit separation of 30.0 mm. The resultant bright fringe separati ibo )(mztt y.2x xeljinq* 4el0x1-q8on 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 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 bea,zj m9uni15sp hv 3 uulv,0zi,m containing two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two b zs,5 1u nuj3lh0p ,izm9,vuiveams 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 (wavele4 ncwo*l k75yrngth 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glakc 7*4ron5 lwyss 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 fall u dz/l,iju)c1s on a single slit of width 0.20 mm. What is the angular width of i1)/,zulujdcthe 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 illww *w2y ,cg9skuminated by light of 550 nm wavelength. What is the angular separation between the first two miy w ,sc9*wgw2knima 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 slin:u6k 0y9el x0euhwc6t 0.75 mm wide. At what distance from the slit should a screen :h6ye u0wl6cnxu9k 0ebe 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 i batx.4t vg7rt2jr.ggu7- vj)ncident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1 jg.2)t-rvv .u477axg b rjtgt.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580gmkg/93yyff6 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 fringe from the center of mgf/9ky3gy6f 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 sli fqxa(b gx 5ejp:pr4;y746 wivt of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Fix5;w: 4bgfa(jpv6 7qi ye p4xrnd 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 lines per centimeter, 56 pcfwes1du-its second order eudspf- 165wcmaximum 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 li dh+ -etoj +as51,pjj-(rxpq lnes per cm. The angle between the central maximum and the fourth order maximum(dj xtp -oqpjj,l1s-+rh 5ea+ 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 w3 wmv6q *a cc/r98ela5d8t pelide and ruled with 50,000 lines. The second-order maximum is seen *3/5r86de9mel tcqcv8 pwa l aat $32.5^{\circ}$. 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 experime t6,9dvqj;l:h4cqb h cnt, light of 600 nm wavelength produces a first-order 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 malb:chjc d9q4ht6,; vqximum 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 n i2ru*d5z*ga per centimeter 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 gratingd nug2a rzi5** 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. 3lntj5a.xa 95:r lmy bIf the grating has 2000 line:j95tal5 .lxbr ym3n as per centimeter, 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 gratingl kd )ca,f6 88uitsj-a. If the first-order maximum occurs a86,8kjl iu s)tcaa-fdt $20.5^{\circ}$, 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 50sig s2 (nt.bc f64d1 fu sr50hjh6yo8a0 nm is incident normally on a grating. If the third- n8j(4isf56dtfh .uc 6bhga2rss0 1yoorder maximum 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 wavelength 500 nm is incidey/ogbx k5ty8u 2l1de,nt normally on a grating. If the third-order maximum of the diffraction pattern is ld5,12g yx/eykt8bu o 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 separatedxvrl:m0 pbf4- from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm)-m v xfrlp0:4b. How far apart are 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. Whansd 63vk)no )dt minimum thickness of this bubble will ensure maximum reflectance of normal)dsnkd n6ov 3)ly 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 nmsxt8bxpc7(a+- br +n4 awkv0v illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incidat pb- 80bxncw+va( x ksr+74vent 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 n;+dnf( rj; gy 9vvrm)ionreflecting film coating (n = 1.30) on a glass lens (n = 1.50) f)f ;nr;vivjm9y g(d+r or 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 unpolarcm70)lmel *d15 j7 c3yrg,yscqhc 8gaized light and the intensity of the transmitted light is 1. A second rg3 cym m cy8j lsl157ae,ch7qcdg0*)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 roz2upvk5x)t kw q: q :iz8bc)k/tated $30^{\circ}$ 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 a( vjx.r ee;1d/s svl9uir strikes a flat piece of glass at an angle of jdsv1/;e(x. lsr ev9u$57.3^{\circ}$. 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 p:g3iw.k* jj)qck p/k dassed through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzergk3)kwkjj:i. /q* c pd 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 imm72tywh, s,vzage reflected in calm water is completely pvt, ,mw2hysz7 olarized?

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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 anawdv1j rd*m geg7m3y- (1-tsn9 p r-xvtlyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intengymgr*vdj 9r1tp t-d-(vw3m-7xs1 en sity 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 rb*he7 sn 6/ipgeflecting off a piece of glass of index of refraci*s/g 7pheb 6ntion 1.48?

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