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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 principle6epk8 *ykx9xox z tft 2w0.wf4h *sckljqg*/ ,.
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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 qr.( uatmc46gstatement?

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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 attrirqza1j 9il q7kov8e f)-, iekb,;6mzt 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 7gjpyroa*:1o 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 into a medium of differenr8.r.thlh x.ljoxvn 1 wbl; +5t optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in ai uddx(u1 mlmyh0-6 c+vw k5,s,i37e fvtoi fz*r, enters a piece of glass (index of refraction 1.50), its fre+-vd,y3d vz 6u0 iomlku5fhefw m*c1,x7ts (iquency

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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 u 9etwqmm-seq .d6cw*vh ;99n(wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), i99c9ws*nmehu m qwvqe6d-;t .ts 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 spreag *owg*o2id45ppwrj 9ding as it passes through a narrow w p* g5orj*2od49pw gislit?

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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 lix g/0z5)hfcck , v:clyght is not noticeably diffracted. Why islc zk/x fcy,c0g:5hv) 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 alterna,as3b (py2xua ting light and dark bands when light passes through two or mor 3aa(2bp u,syxe 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 coher 1qwl fjn, (le,+icwa1ent 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 ra)fls s q8mme47eo m*m58/yfzns;rpu.ys striking a screen are in phase with each other?7o/ 8qe58;*)smzrusff mlpn m4esmy.

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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 arriving at point P. *gs5-y0 zq4dzz0q br11i sdsq If the maximum constructive inte5 1gd0*s qz4 -0qbqzsr ysi1zdrference 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 trul/q sr2 bj48l5 jbfq-r zb*m0o-. webn/ypx;avel different paths arriving at point P. If the maximu yn0wpol5b/ x*-bq- jbjlr.82zf4bes u;m/rq m 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 centrab3ig fd:324bk( zbhwkl bright spot in a double-slit experiment, light from each open( 3w3 bdb:fgkbih4zk2ing 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 brigh)rth;t8kui.9 2d 5pni 6 ykyxft spot in a double-slit experiment, light f6uhyi)yn 2xirf dkpk ;5.t89 trom 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 eix;f b7(;coxoi ther side of the central bright spot in a double-slit (ox fibcox;7;experiment, 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 x./po1 1lghugux ha94)ob0odhhyx+uf, ,:pdthe separation between the slits decreases, g xh.a d,u+ hoo,hbuyhop/ lp10ug4)d1x:f 9xwhat happens to the 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 experimwlsvx-aa18 : q+;vjf bent, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance betwe:xq la f+svwv1-ba8;j en 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 travels path ipw:yh qw2f1kn30 ;mf$P_1$ 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 arrives xb)9p:bwf4l xat a point on the screen one-half wavelength behind the wave from the op)w: b4f9x lxbther 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-slrv3e-pieo 5+zit experiment if the separation ofiev+rp-3z e 5o 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 maxima in a double-slit interfere j)xrg9efkqq+7ynz52m *q:s 7aizm 3 cnce pattern using monochromatrey5 jq+szn*z 9mc27 g3ixq )fq k:7maic 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 separ*zb --/ed+a pdwfd7 njoa+0rp ates white light into different colors nd z-pp a+7-da0r/fo + jwd*beis

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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 fp gajd*s22 ns3orm 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 s, ruw1/hfdbo py/v80w lightly 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 slightly longer than 750 nm is callnrqilst5 6 el8:x-so78rt(kaed

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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 from air e;bc c,3/lqjp1;x 6lvq+fbluym4 )h wto glass?x ccq) ;3,upe;yv4/b+l1l fmjqw h6b l

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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 passkri 7 *pt; zx)gk ,1h/;jsrlccing from air to cpxc l1t/,*) k7h ;s;rzgkrijglass?

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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 s bamet4k.sul5 es-y f n;v 8c5l6qk-f/ides, at an angle betwtm.f-5eql6vlf s4 / 5c8;kbnueayk- seen $0^{\circ}$ 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 hol yhuh 4f.9l97rt: wbtlds up two fingers, with a very small gap between them, and looks at the light wth9u r47fl :t.lhby9 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 widthj8b/poomm)5 w.l62 /hx azmcn of the slit increases, what happens to the width of the centojlm6p8) bc ax.m 5ohn2/wm z/ral 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 grade) -r/tfvu(1fw t (lxtings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the di(t(feut)fdwr /vx l1-spersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only dky7kjv168 sh7tm3i 6 nrfe.lnifference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a be7l1msk jn7vt8y.fhki6 r63n eam 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 wlk)(l j( z*2j;0:zaswfinnereflection 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 intybq p9/ pj;e7zgy/ r7eerfere constructively or destructively, depending on their phase difference. One consequence of tr;9/z7pbyy7gj/qee phis 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 traw dljbybd*.e*.b:q0 .n8,2cfa y qfe eveling in glass, strikes an air boundary, there qyy. *njl .qdde:b8.cb0 f*w,f2b eea 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 s9pplv 3 zq*)juy1 3ldk1cn6 kwurface, pkvz j)1ydp 3clw nu3*9lk16 qthere 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 be tpwm66 eqtp7v02( mnecomes very much thinnermt7tnve qp 206mp6(ew than 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 magne p4;/xo 5lhyv2 ao2xrnsium fluoride, what is the minimum thickness of magnesium fluoride coating that muy4 olpr;/ho nxxv2a 52st 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 fniev4vby:z5 31j ngq/ lat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and d z q4 n/j1e3nvbiy5g:vark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses can reduce g-vz t3bw2:l c-nch2 lilare fro3-i n2ct-l2lcwvb : zhm 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 definj85 )i9zdm )czlqag)u u,e)anua0sggkw h (;.ed 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 i mn8-ed xe)8hk gx4w5dichroic material like a Polaroid fe xk8x ewh 8d5m-4nig)ilm?

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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 each ot-fi9+d uduej0 her, what is the percentage of the incident light which will pass the twiu+e -duf0 dj9o 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 surface ofk9fn*x rey5c97vx 0:7 pojagl 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 greatest at0iqg-g7.m r.:xfhfir7owtu mgg/l 91

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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 exwx+ (:zzmo po.rt3 3ep :b msbe6x(gl6hibited?

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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 zen*(b oknx*igl+ 5gjnmu v.f(32yl 9iprith (overhead) than it does tow oyn3+r(bx*um95j lgpl* i(i2 kvgfn.ard 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 passeiu*iti6zn1asd z .r,( s into glass, which has an index of refraction of 1.50. What is tuiz,i 1ta(.z6s *ndrihe 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 i nzxviz7yzu2ye-i3 s+m.7 :r jn a vacuum. It passes into glass, which has an index of refractionzzjn7s3v7 -r.ue:zim y2 +ixy of 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 vacuum. It passes into glas /kmarpt9tmcu (82 -drs, which has an index of refraction of 1.50. What is the speed of the light in2amrcp d -t (/rk9tmu8 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 2* w0fxd+cb zptravel 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 tre/yvu0kll6. oavel 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 5 irty-w dtq*l7(g*o*v50 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 apart. Monochrg zbx1 zw+s+l,omatic light falls on these slits, and gb zxw+1,zls +produces 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 a double-slit and the th*cnx;fi *xgym/xokqh6 (s(b -ird order bright fringe*fyo qx*h ;x(m(ks6n/c gb- ix is 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 sepxv5 ahd 6p8s.faration between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacingdv.f6p8a xh5s 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 slzfx*.9l4 si+ ox.iokxit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m xi.9+z.*xs o xkil4 offrom 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. Monochrom uw(ksvs1 3tf )mgy*dg(e)s.u atic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, sswegmdk*vg()3tu1u s . f )y(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 setu),u, 7,pqyuk krqp i.yp that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and thpiu,k.,k r up7 qyyq,)e 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, striku0+n02v8u ddtxaj ei8 qp 05 qiwr8ud*iz1g4mes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Dez 48i d p0u0ig v1+u2 d5*t8jaqrqmu dew0n8ixtermine 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 480 nm) aiafany wd 5/95nd red light (wavelength 670 nm) is incident on a thi yf/5a na9d5wick 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. Whaun3h6lhm )il-1 uva4lt is the angular width of the central diffraction pean ua)li6 ull4-hvh13mk?

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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 illumiz pl/q u 1e)o tfa6.7a/k.inianated by light of 550 nm wavelength. Wo/k. inae/az 6p7u1ailf.t) q hat is 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 slit 0r 3p2a3mu up8e.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffractio32pa u 8rmpe3un 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 incident on a slitvhcv. 4 u-wsp-/msthj +8y)nm6o c f0a 0.20 mm wide and the diffraction patte my0)o cwhs 6p.vfuca-+mhn 8s /t4-vjrn is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on av3e wmo+dwo(q q8w f,8 slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order darmwoe 38dq v8w+(wq,ofk 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 a slit of width 0.30fnlunaz s1,o(f5y 54j0 mm. An observing screen is pla5sn1y f4u(lz 5oj ,nfaced 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 a grating with 7000 lines perbf(jb./ tv sdh**lpqeuq h3+i1w (xy w7wgl-0 centimeter, its second order maximum is a ltb(qq/bwyx gp.hj3d0v7 i-ef w1uls(wh* +*t $62.4^{\circ}$. 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. :g5pa.d( odmx The angle between the central maximum and the fourth orded (gx:pm 5dao.r 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 iskyz:ziw0wlm-+ 2. eea* w8zpf incident on a grating that is 75 mm wide and ruled with 50,000 lines.z .eyze lz*a:w+mwiw -pk2 8f0 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 oo:o0eoo ) gq anbw8,7jd/bb w;f 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochr,7 bw0 /be;o8)ogdo :bjoa wnqomatic 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 600057bimt6s0pk c lines 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 of wavelength 550 tbsm6c pi507k 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 dzks9 k8 ;:gw itnh7bb- c 9.fxqqbg-/grating has 2000 d7bn kck-98gzhfb:bi . tsq-w /;9qg xlines per centimeter, 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 used to calibrhs.)c6bvkc4 h ate a grating. If the first-order maximum occurs at b 6h ksvc.h)4c$20.5^{\circ}$, 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 nt0uh4rn tlu5nf/,zszk pjee* 6-4-o gm is incident normally on a grating. If the third-order maximum of the diffrajzzu5*-se,- 46pukg no/0rn fh tl t4ection 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 on a gratixr6mj:8o)ompj + kgr*fdv ;c7ng. If the third-ordef*p+j xcrmd rg ;8k 6mj:7)ovor 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 plate at one en,uh:fm 9lcczdqz - q) 0utu3,bd by a strand of someone's hair (diameter 0.010 mm). How far apart are the adj ,z-bm)uu9dlq3u , :cfh0cq ztacent 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 og0b s6t nv* :kp)besz4f refraction of 1.33. What minimum thickness of this buvtbnss0gp )*6 :be 4kzbble 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 illuminates a soap film ( n = 1.33). What is 8c-; 5re/*ngnjk jyu cthe minimum thickness of film that will give an interference e * cn8k/n5jr-juy;g cwhen 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 = 1.30)onl*g lxr7)*jhntf; (2vrh -e on a glass lens (n = 1.50) for wavelengvnojh l r 7f-n)e trl2xh;(**gth 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 of unpolarized light and thf4mb+y2 r2) j ovmewx0e intensity of the tvwbj4 o m)20+y 2mefxrransmitted light 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 rotated u oomw*/fpg 3(23f8xy9oi6rb a vgcr 3$30^{\circ}$ 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 1io5pvzlv 7n7piece of glass at an angle of nvo v157l7zpi $57.3^{\circ}$. 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-analyze,cpv-i9j 4ai06w tkws r combination. The transmission axes of the polarizer and t pis6tw0-aj iwc, 9v4khe 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 horizxwuz*; h/wll.sf l;l3 on is the Moon when its image reflected in calm water is complelz; f; lw*3wslx./uh ltely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. I - k-zbj9chhyd1w n.v(n this process, the intensity of the light transmitted is jn91-wy.k(v-z h chdbreduced 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 and reflecting yjaea u +939 hy)+143tod8igpqxcv maoff a piece of glass of index of reu39yje)od gt94c h+pa8+im1 aaqvxy3 fraction 1.48?

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