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习题练习:Physics Unit24: Wave Nature of Light



 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 principn*l)fntl* wof2. -v ddle.
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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 statemebg1oz qd1e )2lnt?

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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 attrid7yqhup8 z()91hk gda i+ lld+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 light is attrii7yfl3*sq- we, qimc mx )i5i2buted 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 optical densitynmqcs+qd e(p- -a*g6h,

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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 e:g ,4pfm((sylfe 1; bykxiq4w1byr9 traveling in air, enters a by1p:fi mkel94g1(x(4 , bsry wqe ;fypiece of glass (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 (waveo irls0ka/10h c(;gh(qub+x slength = 590 nm), originally traveling in air, enters a piece of glass (index of ri(aqbsu0ch l+1s/ krhg x0o (;efraction 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 vulfkmbeh1: -)rr1*mi uo k26 it passes through a narrow sllk1rm b me6f2-hu1*uok r)iv:it?

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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 obj;nygxds *v92 fects such as buildings, whereas light is not noticeably diffracted. Why is thin 2ds9x;v* gfys?

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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 ke k9wbfd3;6+wdq4qc and dark bands when light passes through two or more narrow slits?w6+k3kf q wdeb9d4cq ;

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to b: /ngwmoax;ecqtj203)9se m:d.*vgs v.hgh le coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays striking a sjl:) * .dchd/h zypkpjm-c, 7wcreen are in phase w*zkd .,c) 7-dhp/wyhljpcj m :ith each other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths a7u (uw38 zbivnlyuu v*(7m bv1rriving at point P. If the maximum constructive interference is to occur at point P, the two beambu z imb8v*7y( 7 n3uulvwuv1(s 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 P. If tc+k f* mkevmlvxh1wg8t+, 1 m(he maximum destruvk+ vl mg8t(hfxmk,1*wc 1 m+ective interference 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 sidm8 gop +/+i:le+bro(kv hjmh48ta ql )e of the central bright spot in a double-slit experiment, light from eac qj l8hh+i+l48/tb :moevkm r )+pa(ogh 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 inq tm3*tj,k.lfg ezz .dn +;dc*pzq:6q a double-slit experiment, ligtmz q*6ek+fnd;dc3pl*,jzqt . .gzq :ht 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 side of thuzc5q0+4ql1- ol* dii9csfhkip . da) e central bright spot in a double-slit experimen9a0)5 zc4-.s+lqc*h kdiofl pq ui1dit, 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 sli6bw.5 h n+e9 lhyzdgehh-x 8 7.snwb6its decreases, what happens to the distance between the interfnhl.xib+8yh 69ew7bs. 6-gh dw5zehn erence 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 experime0af;h(9jdh.v 8u(p) fvj weaqjv(/ s mnt, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation isfwmhpjj)sjh/ (fqe v (a( vu9v 8;0a.d 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 ligbsa-4 xa jad.d 0):nxhht 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 o. 3eb.3qpsiu- mw: gim lp)k0yf a Young's double slit experiment arrives at a point on te3.:)gu k l -0q.msym 3wbpiiphe screen one-half 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 interfere208jhl q 3pesfx5kq(i nce fringes in a double-slit experiment xk8s02 hfq qi(plj3e5 if the separation 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 max//th x0uq khbwzz5,*v ima in a double-slit interference pattern using monozq, 5hkw *hxv//but0zchromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light into differentend-s,8hq yz 8 col-n8d8sez,y h qors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbpqnnyj; o3eu( au9 dg +(l d06.yrx6pcow 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 wavelength4p0t542rds j.vfllj vdi0sz7i i 3l:p slightly shorter 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 slight h 3jcl-ju1ol6ly longer than 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 refract6binen4l8u 9vua zm36 ion when passing from air to glue 6zu 396nma48nvbliass?

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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 aircf l ;,hd)3j9 v.2sfdr yqvyt/ to glas39 s,)djfhy; dv/.q lytf2 vrcs?

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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 pakm1mnqsbx-h al ;) reo jk2(apsxt vx;j)47/*rallel sides, at an angle lm(osp21r-bsjxtk*mn4;;7q xa/h va jx) )ek 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 l vdh +n1,dv )rxr6zrt6h.l4r dight source. If she now holds up two fingers, with a very small gap between them, and looks at the light sout14+hrddn . v)hx z6rd,v6lrrrce, 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 experimen9ag*gw(bua8 f 7w;cx yt, if the width of the slit increases, what happens to the wg*9c7 (xbg a wuay8;wfidth 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; oneeo k3gs38pchj0ke ;+jyzk80 u has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratij0k8e8+y3pck ksje 3h zuo 0g;ngs.

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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 om;b*tw d mquvd7czg3lr 8,1* pnly difference being ,q*1udrlvdt m8*gbz 3p; wm7 cthat 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 causedk1wl9jkl0 +hjj2 pi ))j/gs bxqml px (,u2+di 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 monochromatic light waves can interfere +(2p zv1jr3 zs gsx-v17aqqbx constructively or destructively, depending on their phase difference. One consequence of this phenomenon isq1rvg3 zz+ vpq 1 x2asbs-(jx7

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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, ;w-sgv hdnp(7 strikes an air boundary, there is 7n(hd svg;-wp

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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, ls4;ebo+vel /is reflected by a glass surface, ther sel ;bov+el4/e 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.y:d 8lajo*;b f As the film becomes very much thinner than the wavelengthojb : y;ad*f8l 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, wbo;o9hyuy mnc 3ujur96/g 2;q hat is the minimum thickness of magnesium fluoride coatinguubn 9mqough 3c/yy o9j;;r62 that must be applied to a glass lens 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 flat glass plate and illuminated from above-c icu 2mo7ao( with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at t 2cc7i-uao(om he 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 that7v4iba+ 9 dzzd certain sunglasses can reduce gla7ad4v b zd+zi9re 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 def:.z 9yd .fzl znm4iq-sined 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 polariw2lz4oc dc *9ized light in a dichroic material like a Polaroid fic4dicl*o 29zw lm?

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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 fil08e+uojxwd cedet8np/b 2a 8+ms are perpendicular to each other, what is the percentage of the incident light which will pass the tw 8ea+u+e88/dx 0p2ebtod wcjno 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 xp;up; yxo34g 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 sun7a j e05g wj ch,*y8o3am .gg7obj-jwslight 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 NOT exhigobxv (ptla9p1) 4d +hbited?

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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 skyw o(n zzl *:0zjvfuy3 f,cqu:3 appears to be more blue toward the zenith (overhead) than it does toward the horizon. Thvw:,z uff zlz: *30unycj(3oqis 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.imlyyb ;c3a+ pho3c 2. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light inmlo 3 ;y.b2+h3ca pcyi 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 glass, which has an.+x :0zdc d lse25sm oekq36zs index of refraction qc.2s0:d e+lz 5s3mdze6xk soof 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 v52 z8qjkgg. l1yhj 2esacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed1jgy .gqz kjelsh8 225 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 found to tr7s ) u:lw5soddavel 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 5atv v cvsu;u./(u ;lc;50 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 55 vs z;4+ wjdaj43fd.cs0 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 6.00 mm apqg-z *py- *- li:k ybgzufkz,+art. Monochromatic light falls on these slits, and produces a fifth order intlz,bqg k upz:- z-kyy*-fg i*+erference 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 falsi+yk*hja w8:xsnz5 0ls on a double-slit and the third order bright fringe is +jyhsz0w8s *akn5:xi 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 separation between th gmlp b6wlu r y2n0:84z*yx 6+nywph/ee two slits is 0.050 mm and the distance from the slits to a scr p2lyyyh8 /6w0:upg46rxm* nezn+lbw een is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and twlxxh ( xsz 2*oln13a7lo 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 fringe xz3 llaxxnh 2*ls 1o7(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. Monochromaticku,y/+bi zl2yq )b*dpjceb (+ light of wavelength 634 nm falls on the slits. If there is a (d/ eq,2+k cu*) +bzyply bjbiscreen 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 Yo+c a( mdmukb;py1 5hp7ung's double slit setup that has a slit separation c7 pmb;y5 h(dp kua1+mof 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 anl*(b+h cgdqf)n6 8cz dubgg/ 6d 700 nm, strikes a plain piece of glass at adg/6gqc(zl hc8d)*u+ f6nb gbn 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 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 consisti2f0/k b m s.i4iv qsooc50+uegng of blue light (wavelength 480 nm) and red light (wavel4evio0 o .scs5bm iu/+f 0gqk2ength 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 ieuill: * su3a:s the angular width of the central diffr* lu ul:ea:s3iaction 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 by ;nh; ;oxv*aztpe d3q7 light of 550 nm wavelength. What is the angular separati*;3eq vapoh;td zn7 x;on 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 is13ddr7y oqp6w incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the sco7r1w3 yqp dd6reen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wi,z n7i q,i/f 5j8nkcy5mcnpe6de and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maxjefi,c557n/ nzp q8kn,imy 6cimum?

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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 widpho 91wc(hj ) l1w/lbvth 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 the screenw1 wlhbp /1 c)hv(jol9.

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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 incida uls)z5/kj0gnvg:) q ent on a slit of width 0.300 mm. An observing screenq sjv ug):klg0n az)/5 is placed 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 cugf-q,x6- daa grating with 7000 lines per centimeter, its second order maximum is d-g ac -f6ux,qat $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle bncvpvl5;tg 5* etween the central maximum and the fourth order *vtpl g 5vn;5cmaximum 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 andt u*z,cf9l+ yexcem i887 n0dg ruled with 50,000 lines. Thdg8f tm8 0 xc,yecn+*iu 7zle9e 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 expt6o9 4+ s/ hybfcdm;b1e/dh ,1wxbqyeeriment, 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 p; fe4b t se w6/+1,bqh/y 9dbx1ydochmroduces 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 cevb4k.vzus .li t(p0 j1ntimeter 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 gratingv(1tl.u v 0 .kspj4bzi 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 grating has 2lig znmb68f 90 x4j b51rpd0vm000 lines per centimeter, at whb z v9i6dxrf 5mgj 0b1nm0p4l8at 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 a grating. I0*huahr m-oq1)n-haq f the first-order maximuma 1*0 -u-qqra)h nhohm 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 5i 0a,-,dwy;ni p1hqyk00 nm is incident normally on a grating. If qiynyi h;dw,- ,apk0 1the third-order maximum of 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 81p 5n:hiuqa7epk x x 9k.yvd:i w)im2fy)(z qon a grating. If the third-order maximum of the diffraction pa8d ihw:aq y5.iy ppk)q 7(1exiz 2:kx)fnvm9u ttern 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 separated5);nqb,s bkexlje af a:xp .7( from another glass plate at one end by a strand of someone's hair 7.a ;(nflx:bje,b e pxaqks)5 (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 1.33. What minimum thickness6l3n2 pu c6 rjk(pob/s of this bubble will ensure maximum reflectance of normally incid2 r6ok (6blpus3n pcj/ent 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 soapxzezt356a -j k8zrnip*5,ebusl ,e/e film ( n = 1.33). What is the minimum thickness of film that will give b8e5ezizp-6 35 r *n/kzsa,el j t,xuean 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 dx3;d 7rr5ighzdj4yq/ zesq6 ;v,i.d nonreflecting film coating (n = 1.30) on a glas jr, ze g6vz4i.qrx;y3d/5d 7didhqs;s lens (n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer isg5 v/eo ;qza7p placed in a beam of unpolarized light and the intensity of the transmitted light is 1. 7;v /5gqeazpoA 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 directio l( 56 qtg34c orek n+b)qbbbzsgv(q512sqkd7n 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 f(4-o j oku9plqlat piece of glass at an angle of oouj p 9k4(q-l$57.3^{\circ}$. 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 paph2gfbs cy 3,mc0(7f9 xt: zqfssed through a polarizer-analyzer combination. The transmission axesc7f9 cm:f(z2y0s,ghpf3 t b xq 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 horizon is the Moon when its image r9veibtzf-: md3 /;qaceflected in calm water is completely polariz:3izc /9f dtb ve-qam;ed?

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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 analcl v qdbl)(9;33wyjeo .lyye1 yzer. 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 the polarizer and th eecll3w9)vyb ;1yy(. d3oqjle 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 fo9.dj it8,r)8f l;gplwb 6wuevr light traveling in vacuum and reflecting off a piig8pl.wwu9 te6) ;vb l 8,jrfdece of glass of index of refraction 1.48?

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