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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 fpy(8)q xmbe.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 statement? pzx5g6*a( n*ts4eqil

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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(.2qikawu nh -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 lb b5mt*k, rjes:yu3m 6ight 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 into a medium of dif1az mfhja2 v0zr a-h-y1x ,ki,ferent 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 traveling inzw ha,e:4-i xt air, enters a piece of glas-iwa ex,:4 hzts (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in aiuv2f5hjvj4kiun whx**u h bd8-8/d+tu6 mhu1 r, enters a piece of glass (index of refraction 1.50), its wavelengt*u1 8 4h/v2 hxu 8-h6k d*huijvndjtfb5wum+uh

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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 ligh+ cmofu9 zp(ilkz+iv(z p 1ne4 (fb1;kt spreading as it passes through a narrow slitl ipbm cfz(4 iv1fp( +zkue o+9z;1k(n?

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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 5n .swc) dg8 u ynnv f)xb:0ffn;+es;aas buildings, whereas light is not notice:nffn ;bv0angs5c) ;en sdfu8)wx y+.ably 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 alternating light and dsyxol pn4l nut/k0x,+bq(d3:ark bands when light passes through two or3,xltonlq + : b x0un4kpy(ds/ 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 to ov xw -( nb3y)lo.x*vm6hv*qb 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 li2 pgcai9c9(rk(2d xlt ght rays striking a screen are in phase with eac cr(92 tai9dxkclpg2(h 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 arriving at point P. If th1 swadu.-z ak g3 6s14mjhztgro;35pde maximum constructive interfegka 36hzdojg3 a.5 1tswsm;-1duzpr 4rence 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 arriving at point gjd/,jc dv h 5i 7iog,r-)sfm)P. If the maximum destructive igsrhf-i5dj,m,)d co/7)vg jinterference 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 cen.,9v 1v (sc,psruor setral bright spot in a double-slit experiment, light from vs (,o,.s1 prevrs 9uceach 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-sl. 9tahoua vlt5xdiiks 15-50c it experiment, light fru 9-5 5hi svitkt.5caado0x1lom 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 1ryuyq. 47tzb central bright spot in a double-slit ebry.74yuq t1 zxperiment, 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 d ,i6 .t bem8/zjf0mqe)gsr0km ecreases, what happens to the distance between tmqze)t/es6j ir mbg,km.0 80 fhe 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 bv9/b*o 9 zyjh 9tkm: 0kksjh-that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance betw9 /jb jkkbhm9k0hovz :9-sy *teen adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travels path z*z 0fo(yhwl:h(zi)g $P_1$ 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 You8 1sumix/f6; eqy06sk ja poilec3-, wng's double slit experiment arrives at a point on the screen one-cej8 io;qyisk6aw, - x60ps/u31e lmfhalf wavelength 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 a doub5eqam :cb+pm jfbxo:jrcql+.l 2-.g, le-slit experiment if the soglbr:-qa.25 pljfcxc ++e. :jb,mmqeparation 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 b8ubzk e5 pluc5vwmy*56)t b8a double-slit interference pattern using m)l8cp5kt85u*uwevbb 56b ymzonochromatic 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 why9 a-prvajx:5e a prism separates white light into different colors is-5xr pa:ave 9j

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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 r1l 3 v4o.t/lpyrflvs2ainbow 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 shorterwq8dz xq1go6l, njo :c .is-;j 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 tnsx8) (.rtkn khan 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 from air to k29qgx. +. 6no6zdgxa0m ljr eg .ma2dg 6j+e0x6ok.ql9nzx rglass?

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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 passing fromvea7i h*i9t h+ air to glass?aii+et7hh 9v *

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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 parajn5x,2emlesh w5tm2 9h4aju 5llel sides, at an a n5,hue 95 wt4l ham2j2mexsj5ngle 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 sour72 -wsxe1( 9.)ylto 9hhks wqwthbu.uce. If she now holds up two fingers, with a very small ga2 hxsk7w t .9(1sbthuwy9ql-e.u w)hop 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 diffrf lf/(s3ekc dn/ +zz e *pf03l,k4xxmxw qm2v+action experiment, if the width of the slit increases, what happens to the width of the central cqzf 4dffsx m elke/x pk2zn30x*/v( ,m3+wl+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 gp7j11 my erj ;i -4gy gexp/.rhrpb)*xratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Makeix.pr;h1myj 4* yepxbrg7j /1 -erpg ) 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 sa d fxusw*dn-:/me 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 s-ds/xf wu:n* dtatement 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 ce 8varz8v8 6e ge71dtcaused 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 monssm3o4 dh6k5gj3vtmz i) m-h,)ca nn*ochromatic light waves can interfere constructively or destructively, depending on their phas)iza)smo d3- gn*khmvt jc, mh 36n54se 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 2h5vatgp uf+4 glass, strikes an air boundary, thereh4agp+ f t5v2u 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 m*u*nvqvuz8cs j ld;22m ,/jhby a glass surface, there ic *,lduqu28 j*v hjz nmm/2;svs

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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 livc ;mm a+spmb56+ 7473:mitsg/zsfnq ) at pnrght. As the film becomes very much thinner than the wavelength of blu mp7 sn4+3 5tq)a am 6;:vp cb+mtirsfng/szm7e 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 fluoride, what9c7q-bz7gelg wwmq-+m b+uf,w04s jf is the minimum thickness of magnesium fluoride coating that must be applied to a glass leb9 u wzm 0+7c +wmgb,fjqw7gs4-fl- qens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a r 4gfok emz.m(y z;7f6j)ov 0gflat glass plate and illuminated from above with monochromatic 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 arer7. g )v4 0zjk( o;eymf6zfmog 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+ wzf9-uwq q5mo7 ohn6pit+t8 the fact that certain sunglasses can reduce glare from r9pun 7wzoow5imtqh+8 +6tf- q eflected 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 directa y d yl;pztl7qk3w/:(93ojxrion of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a di:m8zk t4y1q 8k11r qdhguv9bfchroic material like a Polavm8gf9qkbz14u 1r8q tyhkd: 1roid 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 filmra7) v9n-lrggfx hh37 s are perpendicular to each other, what is the percentage of the incident light which will pass theh-gr 9r)ax7h n7f3 lvg 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 surfabm 1x-1pnau6 dce 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 i1v2+u 8( 8yajhgwobhqs 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 follosvz)udf t3 0n8r+ 3awiu x5yl2wing 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 more blue towox g1c v-iv9s7s+ fwd3ard the zenith (overhead) than it dowx9s igcsv 1 7ov-+3dfes toward 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 nro,qmds+pase i;,u+8s azd+/ w3;uhohf 1 -t 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What i fd31,dass,sunr - u;+oi+/;eohz watmqh p+8 s 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 glau)afh euob)* x -2din1ss, which has an index of refraction of 1.50. What is the frequency of the light inside the glass?1ua-df x2 eih*ob)u) n

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which has uej:zu+yh p;( an index of refraction of 1.50. What is the sp hp+(j:uzu; eyeed 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 vacuum.rh qr1u(vt5 yiz 2,dqxrm.w- is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travel at h/k*:ca i*keitgieysppc7-2 :(pe 3s $1.96 \times 10^8 \; m/s$ 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 . 4khbnz9vckp ri3e 28is 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 ap04r mpz6s nzf;art. Monochromatic light falls on these slits, and prom;rfzp64n 0 zsduces a fifth order 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 thj/4ivaxi7hc a6v9l +k ird order bright fringe is seen at an ang jvhilc64/ivx+ ka9a7le 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 bet5+jj+ prajhlm zfc1pyi)5u4bx 8x/r 6ween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first- 1xpbpcyhrlj r4 55u6j8f+a m+xj/z)i 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, u3)1e twbwv,o(() ;h cc dn/ 9j;cpsvfsj9v krthe slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slcsrvs );cf(k, 91 wpvctj w9nvo(;b3)u/djeh its. 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. Monx yg .dwb-il1)ochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent- b.ix1gd )lyw 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 slitz2i dc-y-t+ tt setup that has a slit separation of 30.0 mm. The resultant bright fringe separad tyt- -it+cz2tion 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 beam containing two wavelengths, 480 nm slmqp5pq + 3okncqah4(t c3:k3 1 z;ptand 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 thezcq q1nlp 4hts3(:tc;mk 5pa3 kp+q3o 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 consi v/ o7it5u7paysting of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thicuaiptv/7 7oy5k 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 0.2 kdo,-2heoq,1vy fgo60 mm. What is the angular width of the c dqo ,okheg ,2-o16vyfentral 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 bkj 5/ken/ qm4ny light of 550 nm wavelength. What is the angular separation between the first two m/ ke4mqn/5nkj inima 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 v 6wutajdyp 0ye5f-3uk0 1t 2jincident on a single slit 0.75 mm wide. At what distance from the slta60f12u -v y0tuwjk5 jde3ypit should a screen be 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 4nnawijo.c -h au-m+)nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m ano m4.i)awh -n-+ucjfrom 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 is incident on a slit of width 0.300 mm. An obser.e +i+i7sc xmmving screen is placed 2.00 m from the slit. Find the position of the first order dar i x7.sc+e+mmik 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 5 6eiw ,hmxay )pts+:wwidth 0.300 mm. An observing screen is pla+i:w ,6hpsyxa5w t me)ced 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lblfvte0 x 5/3sy+e w-uines per centimeter, its second ordeew3bl5vy+ xe/ tuf-s0 r 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 linai4e ;7bvq2daz 4h /jces per cm. The angle between the central maximu/aaec2v h4zqj ;bd47im and the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident ogl9q ow.bovo3f 79 7lon a grating that is 75 mm wide and ruled with 50,000 lines. The se l oq.7o9w l39og7vfbocond-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nmtgp gz,f8)5 vhtstfzr z)*71f 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 when it passes througg)fh7f8*s5ztfz )1zg rpt,tvh 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 on it. What is the an xliz.bq87 su poyg,n:46i3 wogular separation between the second and the third orders on the same side ofn3: 6izxgus4y.,o8liw pq7o b 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 into spectral hues by a grating. If the t 2d sho;)pywzd:ezr5m/)zw0grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear inz0dtem: r py s)h)wz25z/; owd 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. If the first-order mqyv 9(+ xpdbq9aximum occurs axqd(v+bp9 y q9t $20.5^{\circ}$, 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 wavel9kxbfj w 1, )bolq2)diz+9qqdength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observe xi+),okbq 2)9zqb d lwq9d1fjd 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 a grating. ouee .7 ph(y*c6 )+hi5kaapt,(nggyb If the third-order maximum of the diffracti ,5iy.e yak )(u*c ob+gh7pa(ngtpeh 6on 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 separatedchf +-l-uxmd* bpkbb8(crk 57 from another glass plate at one end by a strand of someone's hair (diameter 0.010 m mdfp*cb7l uxrkbh-8-+ c5kb( m). 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. tfabwn:*o89ytkrj2:u . k-eu 33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lta-f9tn*r :yjuo:b2 k8 uw.ek ight?

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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 soa dclsy8swnz57 3k(fa4p film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident norl7cdwyksnaz3(8f5 4 smally 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 40a.q0wye le lfilm coating (n = 1.30) on a glass lens (n = 1.50) for wavelengeay 0l w4.lqe0th 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 unpolarized light andj;vlt 7t9su.z1sxs) l the intensity of the tr9 7s)tzt1 s xvl;sj.ulansmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction rotated u io 22x-2btqm2w00mte5tdnx $30^{\circ}$ 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 ape2h+zatcxp )+vv9a79mnu 8piece of glass at an angle of +x)me8 v 9pnc+v haapa27u9t z$57.3^{\circ}$. 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 combinatiof- +1+7zrb3g kku 8cqiqapr/f n. The transmission axes of the pofb/q rkc78uf q-kgp+1 i3 ar+zlarizer 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 (1xgmw,cjr2a0j k3 *nvt9pa jimage reflected in calm water is complw3v 1ank(9gx*tmpc jjj2a r,0etely 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 analyzer. In this pr0r,asn r 8k;vrocess, the intensity of the light transmitted is reduced to 10% of the intensirsn08 ar kv;r,ty 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 l,c (6m99i)gqixdet u skr2qi.ight traveling in vacuum and reflecting off a piece of glass of index of refraction idui ,k(mg9 .e9 txq)ciqsr6 21.48?

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