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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 principle4m.vf sea7skha ,9z9 j.
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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 w+x)5es3fcx r ,z+wpmis 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 l l9r*ncx7 dsm*px3jx4 ight 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 attribuc x5u.4csjtu )ted to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of diff)4swn xs5h0 qgzp3f2gerent 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 (wavelengto7q+5( ahmaa u(yv8tibk0h x(:6 ybby h = 590 nm), originally traveling in air, enters a piece of glass (index of refractio+a:ba u6kvybah(t8m y (qxhy5 7(0i bon 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 = (j:mm:v ) o-v3 tdzxjsf4pva- 590 nm), originally traveling in air, enters a piece of glass (ivs dfvvaj-()omtjpmx4 z:3: -ndex of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes thrhy9pm2jr.1q7e-fa h b ough a narrow pjbhy7q.ar 1h29 e-fmslit?

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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 a+v)r re,r)jda s buildings, whereas light is not noticeably )+ )rdrve ,arjdiffracted. 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 alternating +b r r8k 5ifm7;kw+g;;ji sya)fut 4iilight and dark bands when light passes through two or more naruf4ks iii;rf7wb+8+i) y aj; rt5kg;mrow 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 b:/t w ; 26gf-xipyxx97pfgexke 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 screen are in phay,z2tuj 6s s5, c8k;fwc6 4jqrrlcoq9se witcru,2s qzrs ocy64f8jjtcw l;q,5k9 6h 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 pocv8 cf,btcz2)d z+fmg/)6 r light travel different paths arriving at point P. If the maximum constructive interference is to occur )om2fbg/ 8)rz6f, c+cc tpdzvat 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 pathsgbnru8(d 39sd arriving at point P. If the maximum destructive interferencergdsdn8(b 3u9 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 do nt5-8(oew8we,byl dnp,s jc.uble-slit experiment, light from each openijy w8eon5 sct,-,lpw(n 8d .ebng 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 sim.ryew 5;;m ride of the central bright spot in a double-slit experiment, light from each opening aei. ;5rwymrm ;rrives

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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 central5 tz5yoic r9og7(tr2vpmv4 : i2icun 1 bright spot in a double-slit exper9:r 2o5ip v(c vm7ig1 5nt4zcuoy2triiment, 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 slit35umk9;i0r/w z)8 viyjyp sve experiment, if the separation between the slits decreases, what happens to the distance beke 3i 5uy)rjyz/;smpw 8vv9i0tween 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 d+d-5m 13ofa x)atjir+te5v m histance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut ina1+ tvt fem+-om3 j5rdh)a5xi 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 i9pqrq:q8wl3s0 jdy vv.w06b 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 dou,cjl2 5r xl p*s9hd)ojble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at jph 5jr c*)dls,x9lo2that 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 do:d, -y gsxrna-uble-slit experiment if the separation of the slits is lesrx -yn:-dsg, as 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 *fm h3.8xxv 5q*cw;bgmya x3 ladjacent maxima in a double-slit interference pattern using monx*.afwl;c* xvhxm8m b5y3qg 3 ochromatic 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 lighv1g2t . 6 u8agyalzu9v6lb7aht into different co 7lv62ah9 t zvabagy86.1u ugllors 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 6(5rwy.b loi soq4ju8a 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 wavelength slightly shortervdh ibk vy ::gjbh- x)8/a0z(c 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 than 750 nm is c z,tyk-onyn s3 ;lk 4v0f0xcr0alled

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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 vc*n;5b 2muhbpassing from air to glahvn;mb 52 *cbuss?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of lightabi/o zp-46wo undergoes the smallest refraction when passing from air to glasso4w bz/6-aoip?

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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+d7j7 -vh;upy a fdu-i thick glass plate with parallel sides, at uf-d;aj p-vu ydh7 +i7an 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 holds up two fingers8 x1tvw r( j0bb9tcs*e, uu*vi, with a v 98*te * wb iutxsvru(jv,0bc1ery 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 expbg7y*t;sx 0hanj2 f(weriment, if the width of the slit increases, what happens to the width of the central maximum on hjwna7xfg*t2sb0 ;y( 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 40u5 g83y4w-s +x akgcgt00 lines per cm and the other one has 6000 lines per cm. Make a statement compawyg4-3 5g k u+caxgts8ring 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 ejkt1 b-de+.oj6f*3wub fu) athe same slit separation, the only difference being that +beoj1ebdw jtf)-u a*u3 .6k fone 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 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 causedm 5i5wz*szh ,w 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 monxs/q11k3svphwa + c f+ochromatic light waves can interfere constructively or destructis++w 3cq1a1skhpv x/fvely, 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 eq gwf9 jd-u1yb+)duue7x0wryj+(0mpl3;tiin glass, strikes an air boundary, therxdwe3jet(u d )q-yg9yp0; u+jrful+ wi70m 1 be 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 rbzh q ue: nx1geph;p/1pa22u;eflected by a glass surface, thq:u2 eaph;1b; /pgz2pnxe1h uere 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 becomes very ,s scnobq3i h(te2 86lmuch thinner than the wavelength of blue light, the l(hco st6,i2q ne 83bsfilm

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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 fluoride, what is t051l pcijbk+rs k m3.khe minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-r .pkji3+l0k1msb ck5 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 pla ixkag0j 95h5qqe;w(hte and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. Whkq a55h 09gjixh;(w qeat 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 *x 4z-7ty vacu4 +d wtsf51mypreduce glare from refle+yta4 tf-ymp*zv s4 xwc7du15 cted 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 polarc3rkhc.56n tm ization 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 obp+b: ;bckbwdbhq -6.ltain polarized light in a dichroic material like a Polar+qb;kdh bpcw.l: bb6-oid film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendiculs12ojj g0pn g7ar to each other, what is the percentage of the incident light which will pass the twoo17g p 2jjsng0 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 ar-c5)l z hem7a 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 io,eskwmd(*b.v , pi /ybvm30 hk0ggi9s 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 diffragpx;g/km,+ tk ction 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 (ove1,lkzbud tk6zrvdif)z2 )jmx ))-w :prhead) than it does toward the horizon. This occ t6mbldp)ur jzz f)))1v2x,i:d-kzw k urs 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 glassgd9x flh6m t-h l.)xs:, which has an index of refraction l th)h x9g6msd:-x.flof 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;x-wiqn*m x1b 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50xbx*mw; -n iq1. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm sy5tp d1/hj qoo jrzv,)l *5p3in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the liljdpt 1 pjo3y q/s5)*r,hovz5ght in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to tr h25(bt-z rdtravel 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 aiow jdsf:35q u(r 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 nmmtjxq4 +0oy)9-, z s4 axum5ox c;usza 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 mbg5amj.*v;3jo.s8 ,kgpnxk apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an anglegaj,sg*3.8 bn;.k j5vpoxmm k 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 thiu6o 3yy pjwv3:rd order bright fringe is seen at an aw6u3v yo j3p:yngle 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 be7 v5bl9f/yurujs:0i vtween the two slits is 0.050 mm and5ujvi 7s0b9 l:uy/vrf 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 9q8j o f;8kptjdsb r; ( -hr3.foku;lvis 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum sbkfp8 3hokv9j.j(df;u 8;o ; qrtl-ron 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 aparfj )7a2/ryie zt. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference r/ e )iyjz7af2fringes?

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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 ho/2hk4glohb9p( 2zt 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 a screen 1.20 m from the double slit. What is the separation betweenkho2p(24 tz 9/ hbhglo 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 yw2fvrz*r2iq+p -qyt uu3 -p9nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4i2wurtqr23+9*--yzyp qvpf u 830 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 l oyy. o;mq;gx7ight (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick pieyy7gqm;x ; o.oce 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. What is the anc9oz pejri8 ;tq3)ya)gular width of the central diffraction p 9yj ) c83z)oqpe;tarieak?

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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 illumin k-kbch ))q ,2(uaiyfhated by light of 550 nm wavelength. Whatb -a )(2ihf yu,kckh)q is the angular separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a singlr0kmql5er 91s gn-gr.ur7y .he slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7r.g .r0u lk-7q nm51hrgy9res 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 mmpk; xh1o.d0 uz wide and the diffraction0pu.z 1kd;xoh pattern is produced on a screen that is 1.5 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 580 nm is1g au+w*,v1za9h6g vop;t ffm incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the sl,ufw v 9;gapfmov6z*1 ga +th1it. Find the position of the first 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 0.300 m xwns+v2gvhi 6kajt t742e-w/m. An observing screen is placed 2.00 m from the slit. Find t2 /v2xa 4h6v nsijwtk7-w+ tgehe 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 w xl +debq8r-qq+ h4qg:ith 7000 lines per centimeter, its second order maxqg-qrb8d+q x4 +lhqe:imum 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 betweg8c3;2rpa; i 3g rt;efr:ipoay yf( s-en the central maximum and the foufr;c(-pt ir:8gf ag3eyoi yar2p 3;s;rth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide andw : pbprqz7611t yrb6f ruled with 50,000 lines. The second-order maximum is seen:bw1 ftrzr 7q61p 6pyb 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 nmwe/3 6z f 0(pbsxm.mej 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 maximum whezw6jmmb .xe03 p (fse/n 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 ct 6b+rphg +,bhja d1)pentimeter ruled on it. What is the angular separation between the second and the thih1 jprb++tgpda,hb)6rd orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out intok+odjmmz n 5/gd+ 9qg.(iv; jt spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in thedi.+ m9(/g+m;dk5z nqojgtjv 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 firstvbj8:ob 7cl,r8 itqn(-order maximum occn(vl8b jt:,8c bqr io7urs 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 in6 8jq npr6gmo6cident normally on a grating. If the third-order maximum of the diffraction pattern is observedgn66oq8 r j6pm 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 wavelengts vr *-dh1gqw5jomxi)/c .mq. h 500 nm is incident normally on a grating. If the thig. i./vdqsx -jorch)wm5mq1* rd-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at o, -nf o4q6pr,,wow vzbne end by a strand of someone's hair (diameter 0.010 mm). How wfwob-zv, 6 ,q4ro,pn 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 refract.f9ool53o.9*x k:vanq.yo wbo g)xf zion of 1.33. What minimum thickness of this bubble willvqoon oolzbykf. * 5)g 9a93fx.o. :xw ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminat;x mms6 i*sypo1 9iw4res a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident nor*p6m 4xm1;wi s9soyirmally 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. /ez:lh-) lq)mofjh s:30) on a glass lenheo ml:):zf-l)sj/qh s (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 begti+j7mk lo ..b 8o9pr9lpx*u am of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in thelrx .*89l b97.tp mpi ojkgou+ 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 direlz-uov l)11tfr- j iu9ction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an ang; cy /ctt6nz,ple of p6nc z,t/; cty$57.3^{\circ}$. 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 pd2*xdv) day7d assed through a polarizer-analyzer combination. The transmission axes of the polarizer a)day 2xvdd*d7 nd 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 imd)af pjdp34rjq-pl .( a x(d:hage reflected in calm water is completelh3dpdjp)rax- d p4 (q.(lj :fay 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 anal/zdk4e;+v qslyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is l+v zd4 /qkes;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 fo zawqr,a9,m mv 6csm97r light traveling in vacuum and reflecting off a piece of glass of index of r,ma wm7qm6a9,zvs9 cr efraction 1.48?

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