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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: 游客未登录  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 principle.e3p6rsf p h67l
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followinc.b 4dkpsk w5y30b k+rw o8olt+8ur+q g is a 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 light is attribute1 tifp9-scl-t8q; xttd 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 ofc( wq f 3l/qn(fbnvq0. light is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters inte:i:5 wzz zk6ho 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), orih:y,kg iubf4; ginally traveling in air, enters a piece of glass (index of refraction 1. y;, gkb4i:hfu50), 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, h)rru rmy ;2bmw:+7*cqub+unqs /4pz enters a piece of glass (index of refraction 1.50), its/ h+wu*rm4 br)r zsm+qb;7yuu:pncq 2 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 passea*hvxryx. meg(9 slz;co:xy6h 5b3t:s through a narrow 3*o.ymshcbae:gx z y96r5x ;txhv:l ( slit?

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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, whereas light iw 6i9d* k3ip69v gzqyds not noticeably diffractedipd* kyq 6vg 6i99dz3w. 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 responsifnh.w73 i k3nxble for alternating light and dark bands when light passes t3 3.fhn iwk7xnhrough 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 ce5ip dtj+kj9vc(p e5)oherent 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 th1kjl, 1zws*yaat two light rays striking a screen are in phase with each o 1zl1js* yak,wther?

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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 arrivj;5j5x7sm zf ting at point P. If the maximum constructive zt5xj5 7fjms; 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 coherenoq 58ho/tie3v t light travel different paths arriving at point P. If the maxoioq35 /t8 evhimum destructive 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 side of the central bright spo 39qwvylp(1h 8dmyk-t+njq /wt in a double-slit experiment, light from each op+9q tn8/m-wy1 pkqlvwj(d hy3ening 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 db2hcrnxl.8 * q1ew(bx ouble-slit experiment, light ec2(hn r. lb w1x8xbq*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 side67tbu.2k8ldv( l;m 2kthw,j jin+p aa of the central bright spot in a double-slit exp nkl6ja;m(7 +2j2 lwb, .vpithk8du taeriment, 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 ( .:mv2cosldkseparation between the slits decreases, what happens to tdvm .k2(locs:he distance 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 obi b83fwb pynlb un+nj;56gq/1served that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the sln1j/63;nbflqwi8pbb 5+yngu it 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 ligq ac/tx18mx zj+yi8jaojo74aq 46 +vaht 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 experiment arriveps ;p gx(k4l9epbb1da6:s) :zdk l:wxs at a point on the screen one-half wavelength behind the wave from the other slit, which is pl: (x6pk dgzks4::9ldbbwxa ep;)1 sobserved 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 exk((s sgcv)c 7wperiment if the separation of the slits is less than the wavelengk)cc( sw v7(gsth 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 pattern qwm* ;,no;iuvf7,fwe9 (oi yz using o ow9 muw( ie7,,iqzy*;; nfvfmonochromatic 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 ligwzf1gt7uos c 5lkew44)*fm-p ht into different color41cgf)k p f m*zet-os75ul4 wws 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 allow8* jhm(8 icziv:7crros 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 sbrdg:ph7 (f1* 8bm5sf y 2lb6due b(uflightly 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 szr s :5t7r0 hvxsdkv60lightly 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 unde4-h) cl;2icqy2dmxmgc+i -br rgoes the greatest refraction when passing from air to glass?m;d- q-+ig2clh4 2rymb )ci xc

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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 smallex.3uo rs/;jgms1 )nq jst refraction when passing from air to gl.ju o/gmrjq sn;13)x sass?

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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 xhwtr/g6l ko/1af/ f4with parallel sides, at an angle bet4/6r 1ow flkxht/f /gaween $0^{\circ}$ 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 now3+ ,a7gk5iwo .(*gn orouepqv holds up two fingers, with a very small gap between them, and looks at the light source, she will see7,q gu+3 no(avirepo5g*kw. o

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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 diffract4q(f lzalf6,k y xp*;iion experiment, if the width of the slit increases, what happens to the width of the central maximum on a screen?ix*q6y(; 4,pl lzffk a

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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 lines3j4w pl.s pn+ro4.u gm per cm and the other one has 6000 4. u s .3m4+prjoglwpnlines 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 hgv+jz:lw,l .slit separation, the only difference being that one hg +ljl:zvw ,.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 qk5 h au(dz,5rkcj 1r+6avw4 zj-/ kdwreflection 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 monochromaeyy /fo/epn,0 v (3vpktic light waves can interfere constructively or destructively, depending on their phase difference. One consequence of thise( p/0eofpnky/ , vy3v 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 boundakoc tk np) *owvln98i,x(9c9 zry, there ilp) x99n,c9c nk *wzot v8oik(s

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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 agujf1f,r yq3i69vvz 4ir, is reflected by a glass surface, t y16z4jqfu9vi fv3,rghere 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 6v8/od qdlgt4becomes very much thinner thanol/gt8d6 vd q4 the wavelength 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 y5jiv-j d7vj0 the minimum thickness of magnesium fluoride coating 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 -ij vj07jd5vy 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 4 ejb 0gpsn10oon a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass planj 41egpo0bs 0te 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 sungla. ccb1qm3,1 9dbf guizsses can reduce glare from reflected surfaces?dbgb3 m ic1qu.f19c,z

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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 f)cdijny1j/g u0 0 kq,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 p(bx:l3l w hr/eolarized light in a dichroic material like a Polaroid (3w/hrl: xblefilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission alyzv8ys,5+py6hp( jg ljj3 s *xes of two Polaroid films are perpendicular to each other, what is the perceyhz j8*+ylgj(sj,6p p3 5ysvl ntage of the incident light which will pass 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 surri+4/fy+3(vy ded tkiface 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 greaz+ mu(k/ nxldicf;c0 ,test 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 h o/4p*p :qkoqexhibited?

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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 e un)ru :cay;(t;qjo2zenith (overhead) than it does tno2r;ue) j;qacu ty:(oward 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. It p6pqrv7 1 a6rynqmq q2mcix*95asses into glass, which has an index of refraction of 1.50. What is the wavelength of the light inm vrq* i9n7q 266 arypcxq1m5q 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 hy3kq:pg vy (pj6j.-ir e wya88as an index of refraction of 1.50. What is the frequency of the light inside the gyk .3 j:y-wq(p8v6yp8i rjagelass?

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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 vacuu5ewrhux t la9mo2f( -z n 5we:81yqz,xm. It passes into glass, which has an index of refraction of 1.50. What is the speex8m29he1ru n5:qw5(yz fo -ztw ,eaxld 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 tdpfd xr *5 *a3x5mbvn8ravel 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.x ry3tx, ev6petx a2( 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 fqx76 gn /kd7mtound 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 ly9yk m)jtvg4 xn1*va zr/ltv2n4 h/ z.ight falls on these slits, and prod lvyn1g zr*4 kt.m j/v 29y4hnvz/at)xuces a fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on wm vd yb)vz 8.rk) /xlvyxq+q+a:/k)g a double-slit and the third order bright fringe is seen at an angle //bxa)+)xr:gw .zvy8qkd vl+v)y qmkof $6.5^{\circ}$. 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 expeeak o1ff;d97 yriment, if the separation between the two slits is 0.050 mm and the distance from thfk7da9e o1yf; e slits to a screen 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 two wavelength -s(1zsp 7;sf8ne qdkis, 750 nm and 900 nm, illuminate the slits.pk8q; 1-z(es7n ssfid 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 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 wavelength fdll3 3m j0a (gq4.zl.qjmff7634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent intl 3 faq4l.. f3m 0g(f7lqjzjdmerference 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'ng n:o9a-jxb;xmv0:66h t :tnl f)zotf g3f5us double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm og0 fx -n)jluf :o zoh6txat;:6:ngmb5t 9fv3nn 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 two0pj ok he55e56aq ggyu/wwo4e 0dfc11 wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. Td qhfow005ua/1kyc 45epg o6g1eejw 5he 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 consistiv)tla hp wp:90 c9yyq9ng of blue light (wavelength 480 nm) and red light (wavelength 670 nm9ha q:)yt9w09pvl p yc) 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 sci -:f wy(-8q0 gxu*udhgfp)bingle slit of width 0.20 mm. What is the angular widthhu0f g fq8-(-bwudg)i*y cp:x of the 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, is illf(p-a -/loak39 he:/ vo.q2r*jch rzy ,z qlfluminated by light of 550 nm wavelength. What , ol:-/zov .yprf2 z*c har j9al f/qel(-3kqhis 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 single sy4( / nj6wbl4 vfwm2nklit 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 ww 24nj/bmkfv(y6n4lfrom 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 on a slit 5u*pn9o ;wltr,op ro60.20 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 maxrt on9,p; r6wou *pol5imum?

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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. Anulf, 2dr/ uat ,jvzn2- observing screen is placed 2.00 m fd,uarul2z2vnt,/ - f jrom the slit. 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 incident on 9ue9ik e1xh6 ia slit of width 0.300 mm. An observing screen i i h9x96ee1ukis 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 au)8csct34b 2quz tm+f grating with 7000 lines per centimeter, its second order maximum t)tb3uc+f4uszm qc8 2 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 9z+xszd miu+ce/ 5yx .cm. The angle between the central maximum and the fourth order maximum x/d 9z5x euy +z+imcs.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 and0 1j*h vxjudj7;qsa 9n;gj n6v ruled with 50,000 lines. The second-order maximum is seen auv xj sj0;vh;gq1 679jnan dj*t $32.5^{\circ}$. 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 experimovv/s qs):/ cr2owah9uf o( 6cent, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central max()q 9oovh osr:cw 6/cfavsu2/imum 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?

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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 centimah480he) jo lq9gyz;3n8:izalxsxk8 eter 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 qn489) l3o kgshxzij0l;yh8a8ze x :abeam 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 theg/j+un(y t+dq1/v;n uqqfh0 (e 5hnw m grating has 2000 lines per centimetefd /(h n;( vhuq50 myu1nwg+/qnej+qtr, at what 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 uk0qc9p5l a 4rmab2*mdsed to calibrate a grating. If the first-order maxiac40*2m5q 9ml pdabkr mum 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. Ig5zxm)nf/b cqce13r7)0 t i duf the third-order maximum of the diffraction patte0 ztu7qrief x m/g1c)bcn)d35rn 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 on a grating. If 8 tqd6 t,+bhjlthe thirtdtl8 ,b+6 jhqd-order maximum of the 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 another glass plasak8l a93mnvow17osw4f ; /irte at one end by a strand of someone's hair (diameter 0.010 mm). How far apart vl;98 ka 1 3wonr ssfi/mowa47are 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. Wvc+bkkx +(9gnhat minimum thickness of thi cn g+vbxk(k+9s bubble will ensure 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 illuminat ;3a.p*7 t a32aza5zinyo vyjves a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is inczjp7o 3 a5*vzay.ant2 ya3v;iident 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 nonreflecting film coating (n = 1.30)b02rck:v)6rh(glsr q svjv 1 ; on a glass lens (n = 1.50) for waves0 :)(vrgvcjr6s hvl1kr2b;qlength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam es jnz09qoq-fdu8b 3 )of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated q09jfsnq deo3uzb)8- $40^{\circ}$ 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 directig rkrn;i t l0.20r5dfton 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 i,; ans f*dv55i lf*kyyn air strikes a flat piece of glass at an angle of dy* k5l5 y i,nf*;svaf$57.3^{\circ}$. 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-analy;)n4lzvtd4t- e sx.gkzer combination. The transmission axes of the polarizer and thx4 ;4)le d ztv-gtksn.e 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 w0 wxiunl;s m0:hen its image reflected in calm water is complete;0m0 wiuxn:slly 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 th sk8nhmqex4p, -c6mm8np16y arough a polarizer and then an analyzer. In this process, the intensity of the mnm1 e4 x csy-mpk8p66a ,qnh8light transmitted is reduced to 10% of the intensity 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 light traveling in vacuum zd -, b*k/c/d/ de0ni-vyldqzand reflecting off a piece of glass of index of refraction 1y/-dzdkl nec*0/z-i , vd dbq/.48?

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