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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 principle8fba;b l(sf6u .
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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?ktw zr ,b0-gsulf+ e(e(i ke)(

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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 lz*o u8y i)rhg4qbp4j 2/ig.f right 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 attribute23 v+ckv8rzlw3 )uoyb d 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 different optickv..mhn5iw .p al 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 pl.w6 fsau p,cyz+;4x 3qs:ps= 590 nm), originally traveling in air, enters a piece of glass (index of refractixq .pswpf6s4 s;ap+y3,zu lc:on 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), orig8q4 m4ywlw ce kp4w:*jgfg.ydr l/(p3 inally traveling in air, enters a piece of glass (index ofdf:kqwy4 w cgypw3 8m4.g/je(rl *4pl 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 respqc)nggvx 5 e/j ul7 mrl0e+*f; ml9;hxonsible for light spreading as it passes through a narrow sli mjxmnq/;;*e)l 9l+ luc0e vr5x ghfg7t?

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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 b3s ir 8w i yc/,+rpco65fx:ydauildings, whereas light is not noticeably diffracted. Why/a8r d3xofyis :pr5wy c +,i6c 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 ac2ufazbcz46- nd dark bands when light passes through two or more narrow slitz6a- 4c2 zcfubs?

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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 i.kui k iwjd3238 m ggf-eh5wr0f 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 woo 5 lh*r3f9cnuti :y)e say that two light rays striking a screen are in phase with each ot 9u)itofhrn locy5 *:3her?

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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 rr;c- o x)b.x5kqfuy +, yur)zP. If the maximum constructive interference )ubk- xrrx) f5qry;. cu ,zoy+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 pov +f ht4h1i2em3olam8 *z pc0zint P. If the maximum destructive interference is to occur at poh ch1vfim08tza3 zp o4*2mel+int 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 ows3)d7 zq*ohvf the central bright spot in a double-slit ex)o7d* v wzsh3qperiment, 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 inaigf:v*h,o sdi.oc 9 : a double-slit experiment, lightcfo,i ds.hoa:v*: i 9g 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 sidekcqg2ws6oc -z0 p 8 x4hjsqvp/4zu:4j of the central bright spot in a double-slit experiment, lightjgcp864 qx24sckwz/ qs-u04hjp oz : v 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 t5 q)-l -xr(i or:ql 4k1qbqkbdecreases, what happens to the distance between the interference fr(bb451l-qqki)t xqolqk -r:ringes?

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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 exp)5h-y cmkxvxk+v,-94 owwm rc eriment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What h+4v,-mwm9 yrhowc5- vk kxcx)appens to the distance between 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 lix,4+ l.knloi ig -a7xgght 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 double slit experw3pob9 a: j3(svoi. yviment arrives at a point on the screen one-half wavelength behind the wave frjo vs3yio9a:wv.b(3 p om 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 toxl,09v n3 e 5elbaqyo. obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of 0l n3xyoqae5,.lb9e v 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 doublf15m4khf1 y.gx.v2 o mxnnz 19j k ;-utcc-tlue-slit interference pattern using monochromatic light 1oxy1 4cc1 m-uk t 9 ;.zvxjufnthlmg.k-n25fis

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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 pr 7o- s)bk9vblmism separates white light into different colors ks)-bm9 o 7lvbis

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which alt iy 6sm3l )d/gby(. p63:kk:whvajpzlows 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 wavelength slightly shorter t;tqi pb (l,nc;c hr01y jog9i1han 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 i, u1omlp /j25h sqi1 uoi7q6bbs 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 undergzxn-2e h2fv,zoes the greatest refraction when passing from air to glass?zv 2-hnx2ze, f

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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 passing4 yj zslz*8h z8nw8)/:icgpq l from air to ggqwyn:c8 jz)zl zh l/p*4si 88lass?

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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 glb5cdx 4601hs.ov;gj f z6k ndrass plate with parallel sides, at541 60.c d6bfg;sh dxkvnjozr an 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 dfiak4)s. brzez ca 4 (c5 lv,mo9z7z5very distant light source. If she now holds up two fingers, with d4 az,i.7)movz59sfc alc b4z(zr 5 eka very 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 wij)- vh1-zz: fltbt8kvdth of the slit increases, what happens to the width of the central maximum on a scre8 fj )lztv1:kzv-h-tben?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gu+xt/1jt7tc5 r ralh+ratings; one has 4000 lines per cm and the other one has 6000 l1rutl xt/r5c7ah++ t jines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only0k2 dcth1)hadn y v ;-g)9qlcf 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 betwe) f ghlntdhdk2)a0 cq;c y9-v1en 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 /otcw2+5ox15 tsz cg* qljt1eby 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 constructiien96xs:x 1b tvely or destructit16n9e:xsx b ively, 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, strikes an air boundary, thei)w6a- 2sjle *wrv.ubre is )wib2e .wvsa*u j6rl-

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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 reflectegob(qh2h3w ;z9jnnfq2 z )p m9d by a glass surface, thejm q q2ghoz99hbpzw) 2nf3(;n re 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. 5maqtg1san 8hw) ,f,n As the film becomes very much thinner than the wavelength of blue light, the fils1 8 n fm,w)aagt,q5hnm

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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 the minimum i1a lcsy,- zg3d4pnk bd-;c ,fthickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refractiong -id,4pb3s d-,k ;yz1 nclcaf 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 plate and illuminated from above wf 8 olj+p,1*6cm mbuutith monochromatic red light. When viewed from above, concentric bandsuflmm6o ,j* p8ut1bc + of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses can reduh* au s3m)njn/e0jh4c ce glare from3mj* hs/ ah0 c4unj)en 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+ y51f k5 nbvh2caiiz2lj2xe, direction 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 dichroic material lik ;sc6 )14tqetfuxh7qp e a Polaroid filmtf1 ;s7p4eh qc qtxu)6?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axesz dn:9izr9 zt* of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the tw9:zi t*dz rzn9o 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 surface6 dnp 7f hvbx8* qkt8ro. t6tr4-xf6fa 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 greatest fl( i mvms -rxad6mhli9,ve)k.b-2 w0at

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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 diffractionkog, 7.6 (+iwrod,yho0mfgl f 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 th2ox) y0pq3tix n4x ptj g+e64me zenith (overhead) than it does toward the horizon. Tnt2+jm04)p6 o xty 3i pe4qgxxhis 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 ini:+dyw3o a ih9 a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in tho haid:yw+i93 e 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, which has ap ,e02td(dl wyn index of refraction ofwdp0yetl d(2, 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which d 1ahqq1,5ovxhas an index of refraction of1xvh qda,qo 51 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum cn. r jdf5 bv03 8,cqaw-l,eaqis 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 i;- gi2 yoq/roc vp+: kbazo;c+s found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to tra tqp qoz; a)e;g/q4f v0k.pp,rvel 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. M(-,lzoen / nkhjd.s g8g00vlwonochromatic light falls on these slits, and produces a fifth order intg/,0 g nj-l8neho( vzkdls0. werference 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 third skav71byv6 8yn 76oib order bright fringeka bn771 6yo8 vybsv6i 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 separat cmduk31 m-8p 6abe9o5y( d a(artk:caion between 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-9okc(dmypm 1-ta6(aad c5auk8: 3rbeorder 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 wal2ea+ c* v3ru6u q apgi )wfrgk2uk**/velengths, 750 nm and 900 nm, illuminate the slits. A screen /pwgckv 3 ra+* urf)uq22u*i gake6*lis 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. Monochromatic light of wapg5wd62m/x i7p.sfit tzpg +4velength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfegdt.+ x6 t4i 7p5zs/pmw g2fpirence fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic lighya .juq/8.a+ elj 5z m9k5z4cgvso4mzt is incident 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 isu4m8 qyzcs ea45m/kj9 zg. +olva5 jz. 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 contain7nienbex /3s,.pxd;kgg8 b;;cwx4yuing 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 wgi3e xk ,;s/ xy7;e 4 b.n;ugpdbxnc8angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light (waq+w nnvt oyoiq+.-(h 7velen.qwi +tnqo(y+ h7von-gth 670 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 slghhk ib;v 8d*-it of width 0.20 mm. What is the angular width of the central dif; *bhd-vkhg 8ifraction 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 illuminv*hj9a 3kfi jaax ;t52ated by light of 550 nm wavelength. ;tkavf9*hj x52iaj a3 What 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 sing 42 jojh++tz 2kdk*kkele slit 0.75 mm wide. At what distance from the slit shzjko*ht2kejd++ 42kk ould 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 nm is incident onk5d5qwrl5 uao0+5wi y a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wul r5wy+w 55iqa o0kd5idth 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 slit7zqm4 pw7(aa7)8nd n*l inhxc 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 tdnp(w 77 mh*nnaql8x4)ai zc7he 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+zql m:: qnv 8bcdu46n nm is incident on a slit of width 0.300 mm. An observing screen is placed 2. dv 8bnumn+z6: :qlc4q00 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 lines per centimetergl cx/j*ai-sfmi 4bj( . c(b.h, its second order maagf/bi4.cms b-( jxl (c*j.ihximum 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 anglqtzr+, n4vxeu :(7rgve between the central maximut:,x vrre+7( vn4 ugzqm 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 on a grating that is 75 mm wide and7gly c9)swg;1vwq *f wxlu: r3 ruled with 50,000 lines. Tq*wc ws 7ggw: llu3rv)fx1;9 yhe second-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 nm wavelengtnszy )c3e2 btdq 1s.q2h produces a first-order maximum 0.350 mm from the central maximum on a distant)2 3t2.q 1bzedcqys ns screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. ,8sgr-i pzg+j What is the angular separation between the s8- ip+ ,rjszggecond and the third 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 into spectral hues by ae 7cz ,,nalls5 qrs*x1 grating. If the grating has 2000 lines per centimeter, at what angle will re,aer,n7 llc5 *1ss zxqd 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 tjhg-8q a8o9/:ikjx z+4txxv p o calibrate a grating. If the first-order maximum8pk9htj:- q xxxaj z4g/8+vi o occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light ofrz5cu u q44q *(*p1y pheqedo; wavelength 500 nm is incident normally on a grating. If the third-order maximum ofhre *4zuy*qd 4c(eq u15p;opq 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 incident normally on3d)1( cw. qgz(wbvc qn a grating. If the third-order maximum of the diffraction pattern is o1 cq(qv zdcw3b( .wg)nbserved 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 a)v9sd;wkbd :cum)f / bt one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjm;fs9v/kb) c)u: bw ddacent 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. What minim 0xfi,yau1rcso 7z, 6vaa5 /.zr)xaz hum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm1ru7 , aaxhr)0xa ,zcy 6zvs/a izo.5f 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 = 1.33). What ijwjfl 4o2+m os2kmy(zsv8 4/ fs the minimum thickness of fijl v fz+sm2s84fkjo/wymo 2 (4lm that 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 nonreflec3 q*fw+jw1gk8)lqvn s ting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nwk 3+ )s1q*wlq 8jgfvnm?

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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 placedb hoi3lk fd2 xy.29.cl in a beam of unpolarized light and the intensity of the transmitted light is 1. A second idealfi3x .92 chdy2blolk. 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 prm9.bo00l7y*vfp uz(gpnh bwynf3:b 8 eferred direction 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 strk ::l bd 1np7grhtloye 9s-o41ikes a flat piece of glass at an angle of :pod:9 ob1 r s-thly417lgn ke$57.3^{\circ}$. 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 aqc3q.kzh w+bac/v2 9 5 (yzfdr polarizer-analyzer combination. The transmission d2ka(qqcy vzf5+hc9b . wz/3raxes of the polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horill k ws 1ba3evt)a:5f1zon is the Moon when its image reflected in calm water is compl llatvs wa)b3:1 fk15eetely 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 *iszrhe7-ib/ through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the inzrsbi7h* / i-etensity 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 llh(hm 6c /2p)otb0yuuight traveling in vacuum and reflecting off a piece of glass of index of refracti( o6pmthc)u 0hy/2lu bon 1.48?

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