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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 principl5osmp efp.p 8ta+s+4(6 w yzgse.
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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 stak5uwub28tjotf( 9pv2 tement?

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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 qkil wsk 1*/m.kmq3prfyf1 orx2(3g6 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 attriblu12a q3kvlvo2jmr 38 uted 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 intorir,kwn-6*2j wh(d*st. l h+ 5cqkkko 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 (wavelength = 590 nm), originally travewkglbz0e. 9z :ling in air, enters a piece of glass (index of refraction 1.5 :zwe9.lz kg0b0), 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 air, env :vmpryxm8ox8 ,9.wousnv 23ters a pie8mx vv 9sy: rm.o2v8o3wxnup,ce of glass (index 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 lightf- ktzw vjj3053s-kz o spreading as it passes through a narrow slozvt3zj s3-k- wfj0k5it?

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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 su8jq7 g1va/cgsbrv ) (kch as buildings, whereas light is not noticeably dif7ak1r)b (cv jvsg/8 qgfracted. 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 dark bands when l4 az,oe qju5g9ight passes throeja5, oqgz 94uugh two or 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 be coherent if they mkgjj. 1s)d7nl vqr04

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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 ligh zdn,6su4wl3o: s, ubtl 69ioh(nebu;t rays striking a screen are in phase with each o36b,su u thn4 ,leb69z ndw:osu(i;olther?

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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 ngp55duh )u-/i k,*u 4tz/ shp3rjlg bpaths arriving at point P. If the maximum conp*udg, 4zbrijh5p5-k 3 g /u/st)ulhnstructive interference 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 4)da(sdg s3sh light travel different paths arriving at point P. If the maximum destructive interferenced(s3ghd4s as) 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 bb(zl ekfyi)z( h4 t*h:right spot in a double-slit experimhtze(hfyz( k*ib: l)4ent, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double-sl d9 kbsjz1fzh,ckf2. *it experiment, lihz.c f*sk ,jz2db 19fkght 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 ein ka e9y 3ct4 jh7y3r17dosrzck.(,pcther side of the central bright spot in a double-slit 1pa .93hkoydz3c ,c( rtn7jy4 7ek screxperiment, 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 expeg wo: p8a(zk6i +g.b8eoe (wpqriment, if the separation between the slits decreases, what happens to the diste.+gb8ewo i(pk6(pw8 o zaq:gance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance n rqf /jt+wa ,i0/qgpmz-0/wybetween adjacent maxima on a remote screen is 1.0 cm. What happens to the distancejq0t -//+wmg pfrniz q0wa/y , 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;v*n 1/rseiis w4x8qd light 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:(a1ytgpkb)s/ivh 3 t+ cf /cu experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed atp gt(h+s)t y1/ k3 ac/vfci:bu 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 impossibl.bo+pycbm qmm lngk*v0z2v3 +gw,jr e *084eze to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the waqjmnm,4. epwyzvgv0brc8*+ ez023b* gomk+ lvelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference pfnfk-5. db 9ujattern using monochroma f5jfn-u9.bk dtic 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 secq znie(*( ;ik kc5uq6parates white light into different coloe*65izuk nkc;( qic(qrs 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 aex+axo8zr7i3ub ;,l illows 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 than 400 ngq-duy0n ;i p3m 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 jad upz4.f 3 +vph-j)eief(7o750 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 t, u2zvwxyomkm,lx2c2fp e6*x;3c t9 when passing from air to glauk 2 w t2m ;y36mclo 9c,*zfxex,2vtxpss?

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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 from air;+sdo5 jdwci u-dga6v )0xi d- to 6jd-sgd;-vw+x )u0 adoidic5glass?

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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 parallel side(4bdgl t 9ey)hcrw a,ba:ltnve78- w)s, at an 9: ( alh)4r lgt-wvbn),ywa7ect8bde 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 8j5o5v zsj f/fbd;;d+d qfd6hsource. If she now holds up two fingers, with a very small gap between them, and looks fh; ;oz+q 5 df8fs6j5jddbv/dat 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 ez u)cos/o6wcfc zpy9;3cxl2i(v ek6 -xperiment, if the width of the slit increases, what happens to the width of the cen-9sxoplc 6wvo fi)6e;2z3z cckc/u(y tral 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 gratings; one has 4000 lines per cm and th o)ov z8sy4q:xz0z1ha7wnn* z jlzb0 :e other one has 6000 lines per cm. Make a statzljxovh7:qn0 nw0yzz81:4 os)a bz*zement 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 oy q x; r7n*x0,77agycgpnf r/snly difference bein pn,/ 7q0g;gcyfsn* xra 7x7yrg that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the 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 by reflection t)n(pxip 2uz/(ru2aep ykj yg je8:45and

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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 construese2(l (xjadb3d*4wu ctively or destructively, depending on twe(4u(sa 2bj *lx3ddeheir 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 ec yh*w 48sf dhp. euq7vz8*g8traveling in glass, strikes an air boundary, there h8f.dq s yh8p 7 c84*vge*zwueis

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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 reflectxp/ly:t4 *vt )1qq*lpcwr 2u aed by a glass surface, there iy/ rap:w*tx*p2 tql ql 4)c1vus

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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 o;y dsj) naf;m9n01vl+qp9 u gin white light. As the film becomes very much thinner than the waveleng;mya f +jno9q)gd lns0vpu;91th 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 fluoride, what is thect,xch)e d*e)r p;o mz; 8w0hm minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that waveltzcee0x orm mw)c)d; p8h, *;hength? (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 p,0l -2xbt easulate and illuminated from above with monochromatic red light. When viewed from above, concentric2tle0u a-sb ,x 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 fact that, 3s2ktq(byq b certain sunglasses can reduce glare from reflected surfaces3 qk,bq 2bsyt(?

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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 polari4vvl2-lc w -k sw*by: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 obtain polarized light in a dichroic material lv2jx c o(j2+mzvvuz78ike a Polaxvz7j2cu ov (mjvz8 2+roid 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 t hbu4a5: l ie:ovi,/uiwo Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pao/ ulvbe:5u:,h ii i4ass 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 surfh ghkqw9.hyse 8xqh1mgs.74 5 be9p5kace 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 greatesnodgo4 0 qmi7 wbio-;-t 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 diffraction NOT ex0i3tn6q4ao2 yveo n j;hibited?

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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 (overheadna s8vh1c3fs3) than it does to 1ha83ssfv3c nward 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 600 nm in 0l( xs),t .dcoe.a9aql4da07urm kkg a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the q a) ea4ml o7kkd, s00talg.(c.9xdru 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 608 )xxraa5/xeus u 7xn00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency o)au0uxxrs 5/ex 87xanf 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 skea;z4f ag-i7)y3 o vzmds.1 a vacuum. It passes into glass, which has an index of refraction of 1.50. What efzasv;mz1di47a.oks- y)3 gis 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 is fp3qez9y6w gs4 ound 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 5 frldv.6,..k ib bybb550 nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 qc:y2t ncn :ob7pmlk7x5wi30 nm 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.e8g ( pqt6wcx ey1,cb(00 mm apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an ag, 6( bp(xwyc8 1cteqengle 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 addp1hm8 vjwk5.-kvgk5q, cy* double-slit and the third order bright fringe is seen at an adkpw k5cjv vq1d 58h*,-yg km.ngle 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/u5ffp wskeruk--/tq)a9wj 3 gc ,op8 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 firstpa /r ut ef,p3jqsk-fk 8wg)w/-cuo95-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm,0f z: yodi8wl1;rtz/ v and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screez/wir0 yfdt;:v8zl 1o n is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart.hm* j s-tp zd1rhz 4vd,r6p.7l Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfer4hrz l7zd*p6jstp d.,1 -mrvhence 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 osinqv(bo9wku 4 5:.c 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 between the third-order bright fringe and the zeroth-or49u wsqik. no cbv5:o(der 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 cont(5fefn, wkp 9do(nkg7aining 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 ,59(kn wn7pf fkdgo(e 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 (wa,j2;l( txud0tzxu -vfb9u) gtvelex)-2t ;dfj (,zt9l 0utuguxv bngth 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 slit of width 0.20 mm. What is the andgtzhb67 q)55n 7pv+r4rwy hcjn )z ,agular width of tjth6) zgrh dyvp57wz)b 4,naq75rcn +he 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, i*/ w3rws j0 oj:qamms63bf-zps illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on eiws jom-:rj/pmw0f63 3* qaszbther 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 singl(0aj wt rm aq/6h+5qpae slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffratha 6mj(+q wq50/aap rction 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 incident7vi,be ii *9as on a slit 0.20 mm wide and the diffraction 7b,ea9i s vii*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 is inci8ymoz+b 2gg- vdent 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 +mzgy 8 vb2-ogfrom 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 mm. An obsfty/+ff-:e zgr cqdp2rb1,z2s 26imeerving screen is placed 2.00 m from the slit. Find the width of the centbzdfem ezyf /+2qi f 62r12pr-c:,sgtral 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 peoeiom8t., 4j lr centimeter, its second order maximu io tjl8e.m,4om 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 c4oedws. x7p c5m. The angle between the central maximum and the fourth ord 75wxce4so .pder 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 8,tkrsq z ,ic2id5 yk)wide and ruled with 50,000 lines. The second-ordizkt qkc 2)5,8ryds, ier 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, veas n5 xdj.z v*g2ah.0k9ki9 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 maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?dxakke jh* a n9i295vzsv.0g.

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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. Whatmi+lt 5s m0yo* is the angular separation between the second and the third orders on the same side of the central order whm o *yisltm0+5en 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 sp +c6ro.jug2t:pobx yr8g5 h 1aectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will 8r a :r1xh2up5t oy cbgo6.gj+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 cag 3b z3tq)itx am8g7(nlibrate a grating. If the first-order maximngbg7i(3 tx8tz)q 3amum 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 of wavelength 500 nm is incident normally on a grating. efd9gz-6 2vmhjx/k il. *fb1zIf the third-order maximum of the diffb imejvfgh f*/z1 zk2.l9x-d 6raction 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 oe zqgq 5(,atzowo/u/6o of*o2n a grating. If the third-order maximum of tho / e o(6oafw/zuoz,q 52q*tgoe 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 another9cpwn 0uy2p 3o(t ltpm ,w(h/x glass plate at one end by a strand of someone's hair (diameter 0.h xo(l(3pw0npytw,up m/ 2c9t010 mm). 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. What : ,tb7i-mak2j yw(dku minimum thickness of this bubble will ensure wbik(7 -y:2amu,ktd j maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is the m jecb le)1+obtp /2ve0inimu +j0ot/c bv2e)1blp eem thickness of film 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 thickness2u y+uu-qr: ms of a nonreflecting film coating (n = 1.30) on a glass lens (n = +:qr y2u umu-s1.50) 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 beavuc.zc *hr8sdx374sn m of unpolarized light and the intensity of the transmitted light is 1. A se8c. xn 4rssudv*7hc3zcond 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 rota-mm5cfzk5qkop /0rte59pm ,td fd8 i 2ted $30^{\circ}$ 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 stc pw;m *ymaz44rikes a flat piece of glass at an angle of m a*c4 pym;4zw$57.3^{\circ}$. 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 combinati6o01 1w2aye9wk rwi4o1xbahb on. The transmission axes of the polarizer and the analyzer arexww6rh1 i1oa4b02k 1 yaewob9 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 image reflected in calm water as9gtyf *3 x4f,4( nyk*evkh v4:wfp sis complet,xv*4wt9 s (f*pyve4:nk3gas 4y hf fkely 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 anz5n,ci;/c wibhc02n;u 4 i iuealyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of thew,c5 i4 hciueu2i0bi/;;ncnz 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 reflectingf. n556 un -ouyjtbr*+v 1pmez off a piece of glass of index of refraction 1.41z e+ovy ut*upm rjb5.fn56 -n8?

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