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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 principt55fon6a6ch; you 8 usle.
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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 ao vx; rbuk9+/pqp h2f: 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 lighte/+7kfmi, e uh 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 attributed.sp t7rqdbj /+vod71s 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 diffcoz*j-q bsqju,)zbsx *3i:i / erent 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), origin c 6x)/ l*n ddcumv1l67yrmuz6ally traveling in air, enters a piece of glass (in 7m*mlc/ czu61nxddyv 6l6r)u dex 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/q5ubn(7dn/n6 fwiqd d2cl(/ c ccsz 0 nm), originally traveling in air, enters a piece of glab ncwi(60(fn 572/qqzcul d ccdd//snss (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 light spreading as it passes througgl vte8,3n x9+d .tljjh a narrow slitvg 9+t je, xd.ljn3l8t?

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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 buildings, wheof;f)fp b2.s.wpw*wh c nco- 0reas light is not noticeabl- 0w p2n po;c.f)wfwh* o.bsfcy 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 alte/eq/:rj5*e eyd26n ;zx kxp umrnating light and dark bands when light passes through two n; 65: k jezp/mexe*xudyrq 2/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 bej uf-7x7s r/ts0 g+tza 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 rwmkh,o:yz1 2w.cr wp/ays striking a screen are in phase with each oto12pykm :z,/w.whc w rher?

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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 znwb/ gj1r.m+1m . zrlhfn2 h15 t-/xlck2td lpaths arriving at point P. If the maximum constructive in.xzf1rl1-mz/hbt /nlnh+j rlkm.w gtc 2521dterference 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 acsayx zu-j 65w66s ,kjt point P. If the maximum destructive interference is to o,kzjys5a x-u6jw 6s6c ccur 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 sid:ix e/:gh a; k0,/uheesqxar /e of the central bright spot in a double-slit experiment, light from each openinhekx :eg u qi,;r:x/a e0ah//sg 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 dou2ul., n( vce5uarsno1 ble-slit experiment, light from each opening arrive ,eln1r2a.ounuvsc( 5 s

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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 cedd .3j b4(1 2nyvk*drbzr, ewlntral bright spot in a double-slit experimentwzv *enr1r.d4 3b d,( yjkbl2d, 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 s+r- co qy;ulj3ukqu8-lits decreases, what happens to the distance between the interference f - +kl;-rqu coj3uqy8uringes?

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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 :ju.n: 9xm0p r fa8ao,n:ssumbetween adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between aas m n.x,9 :oj:puf: 8ums0rnadjacent 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 lnn ((ko1z*rbn k/qv 7eight 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 ex*-gbgd 0kf2sx.n rl3lperiment arrives at a point on the screen one-half wavelength behind the wave fro.l 0*bglk-f xrg 3n2dsm 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 double-slit s,g-jea to61k experiment if the separation ofkg,6set ao 1j- 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 ad6 eixxomw+b38 * v:dhdb.xa/gjacent maxima in a double-slit interference pattern using monochromatic bd3*: x+ dg/obe8axvw6i x. hmlight 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 explaipix + 76 dl*dabzew,a8ns why a prism separates white light into different colors is lad7i x+wzdpeb6,a8*

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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 ravtrif*5n(o(su 9ian 2inbow 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 sekazc, 9uvngfd(7 67*jrht c7 o/)nfb horter 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 calpcw-m 5p f:vr3yno .y+ mhwl::led

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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 frob0wt re1/-lglm air to gla0 b 1wl-l/regtss?

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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 smz5 8n 7-9cy+nr*5q zqcirks *3-wu u+jvvwencallest refraction when passing from air to g y *vnq9cz zc-wq+u js5i7enc-8 u3+*5 rrvwknlass?

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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 in0s;fi7tz 69f1 ouef wrr:rp1db uc2 d7cident on a thick glass plate with parallel sides, at an angle betwep7;267u d w9z1o0tfisc:rfurf1 drbeen $0^{\circ}$ 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 hctqsd2s 1-qfr +y,7 wjolds up two fingers, wj1 qt,+ 7rf-2ds sqycwith a 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 width of ji7:r2 )q rgvkjhp(g 0the slit increases, what h7ivrgjqp02r ()k h j:gappens to the width of the central 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 4c-x6bq1n p 7 jkpsx9t8a)ipw mm80-wa000 lines per cm and the other one has 6000 lines per cm. pkt9)wqpba7ji xx am- 8w -s801pnc 6mMake 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 wixp .nlo:)ans yj ,*j9it.xi; qth the same 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 n j;t. q)lsa ynj,*: xpiix.9omonochromatic 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 cauzha/b2:cu( b9z)vwtm sed 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 monowhwllp l.9 1.nchromatic light waves can interfere constructively or destructively, depending on their phase differencep.l n9 hwl1wl.. 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 lightnbmc82 dj6js- , which is traveling in glass, strikes an air boundary, there nc-dj62m8bj sis

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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, wv7* saoi *kouk 0q7 bx3rwl4mq(.xoi3hich is traveling in air, is reflected by a glass surface, 3 bq k*iw 3*07s rx.7kou4ovioqm (axlthere 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 becom el9 wlp8riri*s 5n1 shud3y93es very much thinner than the wavelr3lpu5n s8iyd399l* w 1rehsi ength 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 wavelengt wi;5lru7z-7ss xashyo.c ,(eh of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelengt,sa;i7(5uy les xs-r 7och.w zh? (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 plate and illumjrpnsp*r8gvqh . (:bh1 (.jrginated 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 . *h( jgsp(rgbr8nq.j:p1h rvthe 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 t)yry5ol( d06jvc pkld+ oi h(74+zpxrhat certain sunglasses can reduce glad p(jo4r7oid0vz xk5 + 6rlyp)lc(y+hre from reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is defi 1pa, 2owvip)sned 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 z ,wp(izywe 8gimh5k y).;os8 a dichroic material like a Polaroid fm zio8);h.8p ywgk(weyis ,z 5ilm?

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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 perpendicular to eac45 uxln d--x-ihak9x +++ckegtih ov5h other, what is the percentage of the incident light which will pass ola4h x +e --u+c+kdx5-ig9t5hnvik xthe 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 th/pc8cv +yh l1c gu:yq3e surface 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 sunligbk7knoz n5cps,ax ,/6ht is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction NOTppn fco*)e15 z 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 zenz,zlqzy46a z8 +q)h)ml vhjr /ith (overhead) than it doez)q/,hv8 rzl+zy4ah ml) qjz6 s 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 600 nm in a vacuum. Ita8us22 8 jfzwb passes into glass, which has an index of refraction ofswf2bj8z82 ua 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes intop9;fr9 )tanvs glass, which has an index of refraction of 1.50. What is the frequency of thtp9a 9n v)r;fse 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 paac lihev93 +ba3/)obcsses into glass, which has an index of refraction of 1.50. What is the speed of the +3i) l /cvhe3 9cbboaalight 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 55 raj5a.m ()nm2pxi ek)0 nm in vacuum 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 atvk;ol-sd3 3w+a/ /s nuzdnzd : $1.96 \times 10^8 \; m/s$ 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 airl i xo8 ke/w5x*2nzda- 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 apart. Monochromatic lighu4 m6qa-e 39c6 pqazmm e3 h6jpjquj*,t falls on these slits, and pro33 ,j9qqj az e6 mq-*p h6aemp6um4cujduces 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 falll k m 11xk3v**i0ejapis on a double-slit and the third order bright fringe is seen at an angle o*1 jv*3l0p ie1xakkim f $6.5^{\circ}$. 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/8y9 akqqhk s0 experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacinkq a9qkyh/08s g 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 separaghmqmwdp8ylc :4* +),:nta;scsdp s7tion is 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 on the screen will a bright fringe from one pattern first coincide with a bright friyh cc8sg:)d an,qpd7pltms ;+:4 *mws nge 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. Monochromaas.m 0ipjz:mcny2 a w*1s0 j,itic light of wavelength 634 nm falls on the slitcs,p m iwy12ij sm:naaj0 0.*zs. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setup th3zrb) k4x.fo p oga9q31ug* fs1l iya(at has a slit separation ofo(rqs* z gffki14u.3b 1 ypl3x)aag 9o 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-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 o;1c 3 yzavz(tcz: 6ive((r: oesp3e i700 nm, strikes a plain piece of glass at an anglez3(ea yscpeviio zv3te : oz(:;6(r1c of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two 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 lgbt x2oyt2 ,e*ight (wavelength 480 nm) and red light (wavelength 670 nm) is it t*g2,yxo2b encident 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 angular wisau -9on)t1sj dth of the central dat1ss o) jun9-iffraction 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 illuminate7b2xqz92/f vee* lwd8ob7rirzr0 mf8d by light of 550 nm wavelength. What is the angular separation bqobv72f9bz*x7 8emlf ir/2w8 ezdr 0retween 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 6871eb 7cdoxp8 my. qe60l nm is incident on a single slit 0.75 mm wide. At what distancexoemd7 c yq8be.01p6 l from the slit 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 nm is inciji*1m e8 wl b0y8rh0xmm+7c8;wgqo uqdent on 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 width of the central c8j 1m+7ieb *8q0lmhw g mxu;o8q y0rwmaximum?

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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. A ,vy nte:y6pq,kh.)8 zdfd m9in observing screen is placed 2.00 m from the slit. ihz:kmdt6. ,py 9)df qn 8vey, 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 incidensrh+3asy4yk91v zt x2t on a slit of width 0.300 mm. An observing screen is placed 2.00 m from thy34s+tza skv2 ry1x9 he 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 grp p2qi xx9mpdo7v35l0y/nqr : ating with 7000 lines per centimeter, its second order maximum is at xdlp m5:y roqniq27 3pvxp/0 9$62.4^{\circ}$. 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 8)upf n z8x5gtcj1(y9:v sipyhas 5000 lines per cm. The angle between the central maxi zyu89f cvs1nxpt(gp:j)5y8 imum 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 mmoe,fmz1f:1e yez (m 601tebax wide and ruled with 50,000 lines.yze z11faeebf mm0o6,1 xe(:t The 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 jz.hy,qoost)+ i 6 ;fawavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces tsfo;h azy).o6+qj i, 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 linew pqf+jj2/;y97k)agx s*wnhk s per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light oay9 7/j;+w g fq2kwnkh sj)px*f 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 hue*akif( dxk5-j,mr.qn3 g 4.;vcixt ous by a grating. If the grating has 2000 lines per centimeter, at what ri-tu, x5. ox;nkf .i4q*vdk3(mcgaj angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate z nnvdp+2 1w zw:tgh6k9lo4n0a grating. If the first-order maximum ol9dh2 :0wp zg6z1w+4vk tnnnoccurs 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. Ie+ey*g 57rtxx2 ca,0dl5hrgt.. s oinf the third-order maximum of the diffraction pattern is observed 0.2xaeg*rtc5 y.nh5d te+i rx,og7 slat $32.0^{\circ}$, 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 on4 g/p deallon6-sm8vmtp68t 0 a grating. If the third-order maximum of the diffral/t l-dp0o am 648megptsv8n6ction 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 one end by a6* uupn7oibjf0 fv,a - strand of some6v-o , f7 juf0nup*biaone's hair (diameter 0.010 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 1gda/6hfr55s5cu (hze7: 2dhr:nafl j .33. What minimum thickness of this bubble will ensure maximum reflectance of normally ifeg(:u2/6d7jcald5 5h:n h5 rzfsarhncident 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). Wh)l0ra c9d b-*il1ut/kd , hgalat is the minimum thickness of film that will give an interference ,/ d)ih lalurgkt0 1b-dl a*9cwhen 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 nonreflect9 qb g5y3e1n5 g ,khaek4dnjz4ing film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 50ngdkj 4n 945 gy,kh5qe 31aebz0 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 unpolarizedzg5 lo(c wk3zkm1p4iir .jeirb2*y(- light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated ke * gwpzrj-iy145(2 .3iz(oi bkmrcl $40^{\circ}$ 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 +;tfjd/rd - y2nhrn4a preferred 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 strikes a flat piece of gl1 4l(cb vd(e *5:me(ccldwnlgass at an angle of dlg(5w:(m4ccd l(e*enlcb v 1 $57.3^{\circ}$. 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 polarizebo6t-c 6xbu. ur-analyzer combination. The transmission axes of the p-uc ob6ub 6xt.olarizer 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 thesuw d:17v+u)jnpx vm+gd lu 0- Moon when its image reflected in calm water is ul71 jdv+n-ugxm:p 0 sdw)v u+completely 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 thr 21+xqhezra64 voj*p sough a polarizer and then an analyzer. 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 tj2 xz1hqvpao+6r* se 4he axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light travelib i0zra:f9l4 d qzn*,ve rkr9+ng in vacuum and reflecting off a piece of glanz*0, fia9k4d+vb :le9rz rqr ss of index of refraction 1.48?

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