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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 princi gz*3s;rt j0qqple.
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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 statl d62zor+d e t.xqky( *bm2*geement?

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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 iahr3.2atfilvv)hi )1 s 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 attrivx 5nt3d+/h tgoyog 6*buted 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 differic1x.i6ab/ riu(ysl:0m twu1. z0 rnpent 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 bbg2 .*f upxlnz2(em,+anqh*nm), originally traveling in air, enters a piece of gnhbgmzp ,.bl+qu22 xe n(*f* alass (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 (waveleno704zi(t9-6ewb k*gi(9fa wlnu saij gth = 590 nm), originally traveling in air, enters a piece of glassz(aabi 4uo(* wf 96k0ej7-ginls wt 9i (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 f d;c5ytw jk v,c2n6r7vor light spreading as it passes through a narrow y5 nwdt2jccrv,k76v ;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 askqn0 -d1l(z vs buildings, whereas light is not noticeably diffracted. Why is this0-kq 1 nzvl(ds?

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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 insgo 10a* 2 u/pj;hpjdark bands when light passes through two or more jjan1 g;20*ush pop /inarrow 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 sa zqom,gz daz8w9 xay:mtiib(.xs963) id to be 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 scre5z rnc5,: ewo*t*txv gen are in phase with each other?w5nortgx *5cz :e ,*tv

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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 ( md,)z9 jevoo ych3mug+w;e)different paths arriving at point P. If the maximvjg 3;)+ oeym ozh()dme9c ,wuum constructive 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 light travel different paths arri)d4 d;0u)lrx*u v2uf :yvjphfving at point P. If the maximum destructive interfpvhflf u0;ju:2 dyv)urx4*)d erence 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 e l.6g: bau6x*;spy oceither side of the central bright spot in a double-slit experiment, lio .*sex l6 ;6bgcpau:yght 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 centsnp l,zdwk-s;, ug2k0md2f6b ral bright spot in a double-slit experiment, light from ;sdp6 gub- nz,m2l0f,d wk k2seach 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 the central lsidao(axw) m7g )ia4 0xj7xo;0pcc v,p/+ yd bright spot in a double-slit experiment, 0 )a;idcaop(js7g x +avi,xo p/ly7x 0w)d4cmlight from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slits decreasjlhvxgupkufwl t0o3(v *t*93*o f+c7 es, what happens to the distance between the interference fringes? *gu0(wotv3*p jfcv* h7xkuo 3+tll9 f

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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 between adjaci/r; br20xy3mak, h rxl* x-q.bxojhx(4 ok 2xent maxima on a remote screen is 1.0 c4 b ;hrrlk3 o0rajy.x xh,x2 /ixq-*2ko(xbxmm. What happens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light thvb 9modu 3eg2;au9t1-tbj5 w ravels 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 evn. kvnj8u 5p*9 o.jfxxperiment arrives at a point on th . pn9jf8*5njuxkvv.oe 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 interference fringes in a double-slit5df c6rc6fx4m experiment if the separation of the slits is less than the wavelength of trm c cd566xff4he 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 usin mk4.43e zdnrd h/ry5n/qd9d, f4kmrng monochromatic ,rrdk4 erndzn/5qd 9y/dh fm 44km.3nlight 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 separat2 )bo 2aenbpk,es white light into different colo,e2pa bn ko2)brs 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 rainbow to form irznvepl6v v(-9r bv6-j e1 tw0s

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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 40g0fu1:ysb .x c/l/emz0 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 slightwfc (afeu5/m0 9 en+a juv81ufly 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 refract)exijn;m bae2s 3 dy9fw2j9b) ion when passing from air to glassb3bja; )9w2mne )jy9d sx fi2e?

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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 um .)fqw4n2,sj+jug x the smallest refraction when passing from air to glasng.sjum ) u, +w24xqjfs?

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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 sides, a((zfh253yn v pspi+ jvt an ang2vpp5v (h+jnsfz y(3 ile 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 source. If she now holds c;vl;wpf 7n u 75g9z;cbbmj +yup two fingers, with a very small gap between them, and looks at t;;+ 9lbyzm;jfgp vnw b 77cc5uhe 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 the slit increasn6ipol :p42zk es, what happens to the width of the central maximum on a screenniz:6k 4po 2pl?

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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 the oth qy;npu5 n5 w .v/wlm;-oerkij4c8*icer one has 6000 lines per cm. Make a statement comparing the dispersio-m.4juc5*w vcwil 5qr 8n;k iy;/o npen 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 separationd5:(lrwts.mvl 4ot3k(myd l) , the only difference being that one grating has 3 sr d (yk:lm 3wd45.)t (slvlomtlits 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 a5 -rmw52o 7mhc-isr 0 0gmugnreflection 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 constructivelew bupwxcc7gt;v vj*/8x 3*h;y or destructivelv*8x3 hwgc *;u7 pj/;ce bxtvwy, depending on their phase difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundary, h n-fb+k9o6mutherenb 6km9- +hofu is

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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 reflected by a glass su 0c8zpgtz956r agwtf/ rface, th809 g pz65gcat/rft zwere 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 lipbi,-6a)w b5 cwfyu,fght. As the film becomes very much thinner t6wbw)-uip5,by fac , fhan 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 the m-r nkn2y-hx4 xinimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The indexk-24nrnxyx-h 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 glasq(ft;(lwxx:zp2k f/it ;4 oyks 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 cen:ix (w/o(qxz lf 4tf;2tk;ykpter 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 th8 03l qo+qkqyssika 5pzv.14dlnp-0vat certain sunglasses can reduce gla5pk4vs-qa8 nq+o ly .z0qs0 1pdilvk3re 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 polariza8ehp ;iot,o4 ntion 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 mfj*t ,a.zg y1material like a Polaroimg1 y,.zja f*td 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 two Polaroid films are r+ 8dabrte. c7perpendicular to each other7 d+.brac8re t, what is the percentage 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 fb k25d zrv7p7yrom the 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 sunlie*sfo3t uyij 0mk1 z. 1-rz0alght 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 diffrcn + (ox0tcki5action NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith (overhead) t7ow,o)spji0 w,dv iy .han it does to 7wy vo)ispjd,,0.iwoward 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 passed:bj)gq1m x3b7ke0 ovs into glass, which has an index of refraction b0g 31v)j: oxqbd7 kmeof 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 into glq6lbn6j dj ftmoiaq- y q8.)n-xa+) x3ass, which has an index of refraction of 1.50. What is the frequency of the lq)ilna.x63m fda6xb-)+qj -yot 8qnjight inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes v.z0s yn oc(8ainto glass, which has an index of refraction ya .ncs80zo(vof 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength mv 4tx 2lotwo *b8b4+ r8imp1m550 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 )r +9s/ceqaj2v;ncypair 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 nm in air is uhgyqd rib :cn29/) g/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 6.0 rwlxrx0fzn5;/1p7l l 0 mm apart. Monochromatic light falls on these slits, and produces a fifth order interference 1rlz rlx7/x;5 wnf0lp fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit ank u2f:0 +*ufiluv 2i* gdvmcu-d the third order bright fringe is i i udg:*f2k+2uul *mv- ufv0cseen 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 experim x:o/ jf;8y2tky*hytkge2g,j ent, if the separation between the two slits is 0.050 mmggk,yty8x yo :he f2j2/t jk;* and the distance from the 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 sep 13bbhj/: eri knb2)kj)ob h+haration 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 fri+ ojr)h)kjnb 1 :kbi2/b3ehh bnge 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. Monochromut a (+j9mp4ahcm+yf)vl;j c(atic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacen)m(t4+hfuljam( ;c p+ v cy9jat 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 x fi*v32je ci(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 jex( 2cvi3i* fdouble 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 700 nm, stri7ms/yxraz;rx v5x9 kx .t q13vkes a plain piece of glas5 r.az3qsy vv1mrk9x;7 t/xxx s 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 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 480g0vthwt,1mqb)9w zb3kg a .0k nm) and red light (wavelengtgbkth 93g0 .w)vbwm1z tka q,0h 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 0.20o (fbtq m; uixj)6+8vr mm. What is the angular width of the central diffraction q u)(mj8t +obf;irxv6peak?

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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 pk:yk)xfd / 5 3ggiv:eis 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the 5 :dx/)gvkk3fp ey:igangular 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 slit 0.75 z m rlt :tq0f.(d20x(jyr- vvlmm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be l dr:0. (mv0yt2lvrjz-t fqx(1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.vij07kp 6- o6,zggrixr d7,bd20 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 maximum gx0did6i j pr 6,,vro-zbkg77?

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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 2ur:t2 1zkendgzt+y3slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the positioe3 tnyzu tzrd2g: +12kn 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 nm4cu i;0n kdgtu6,pb2 k is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centrak,t4iu0b6n dguk; cp2 l maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its second8 1/bkrvhx5gj86 g pkt order maximuk5gvbhjpg/r 18xt 6 8km is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle betweei +:pf-(gsepyn the central maximum and the fourth order maximum( pi-ype sg+:f 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 and ruled wik. ganyhemk.j62nkh+*2 .ewc th 50,000 linejneh. .kmg+ka.2*eyck whn2 6s. 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 wavelength produces a first-orde/ioz )uohn4ul z7wj 03r 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 gratih4nzo7 / 0zulow ji)u3ng. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it.b+dh ()ohn pxj/ 6vxc; What is the angular separation betw)x /xdh+o(6cv pj ;nbheen the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues byispp9n 4y2hsi:o p; m6 a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first ord9o :h;6p2y niipssp4 mer?

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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 cr4uol qft b10.alibrate a grating. If the first-order maximum 0lu4b .q1or tfoccurs 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 6/g ak0znie a3of wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diagn0/eza ik63 ffraction 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 wavelengb0m ,w/pj i7n(ye 1-e/lhjl):e bziv fth 500 nm is incident normally on a grating. If the thirdjjhw(i/-by 7) pf zile evm,/l1en:0b-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 f1dgl5p2fs7pxsx + c s8rom another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light o 8xs 25sg1pxfds lp+7cf 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 minim1d ylv:e(ox5rum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength light?y(d v5r:oe lx1

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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 illumin i-7bah 5uquwx2p)z z1ates a soap film ( n = 1.33). What is the minimum thicknpzi 5uwu bz1 7a2qh)-xess 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 thickness of a nonreflecting film coating (n = zsj1y:4lzcctm6,*qk 1.30) on a glass lens (:yc,mj 1s zlt qk6z*c4n = 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 is plaugz ,2dk8j b9mumk4:nced in a beam of unpolarized light and the intensity of the transmitted lightbdn, g4um 82kmz j:uk9 is 1. A 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 direction ro6fz+p f p01 zh8-qacgc6.ylot tated $30^{\circ}$ 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 p a8pza . l6lc /uii-u9awr-qc0iece of glass at an angle of i9p8-6/l-uralzq cacaw. 0 ui$57.3^{\circ}$. 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 combination. 8, exrps,l+ez0ras0 r The transmission axes of the polaris ap zrr8e s0lxe,,r+0zer 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 Mooui (a z.rcrexqd +dqj:50j+c (th9su 2n when its image reflected in calm water is completely pdju: cxr.9+jz(0(2i r 5qdtac h ue+qsolarized?

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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 q 9tzsewft( f, .v(mc/then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. t (f(,.ezs/ vwcf m9tq 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 and reflb xq/1z vtb3p :9zt8unecting off a 91b8vn 3upt/ztqxz :bpiece of glass of index of refraction 1.48?

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