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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's principadsce :cyudexd ldh 13 89,t9.t2c /efle.
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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 j zdo/vh7t:v1p h2 m2mis 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 attributed/wr5x fe0.tjygx /dt y8bhp/2 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 liglm+5c8dc1v /yic2t t ght 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 different optical d 0u5v 3(5cqv8caaevlg ensity,

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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), origifx6dj7 )ply r3 6wxm:sc3sxj.yd4lw; nally traveling in air, enters a piece of glass (index of r:d .j;w rd 4cx)yymxsfxl363p 6wj7s lefraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally tuv3b: uy8-v3g0mp ;jkg ady q1raveling in air, enters a piece of glass (index of refraction 1.50), its wavelu8g:vumyq y a10-dg3 3vpj ;bkength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsiblk ra/:(g-dkee e for light spreading as it passes through a narrow sli kk/eger(- d:at?

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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 is kxvw;x e0a8(nlv /hr. not noticeably diffracted. Why is thiexwvr0 nl8.x/; ahv k(s?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsi6:i pp ; 3vyq(yyod.cxble for alternating light and dark bands when light passes through two or more narrp(i x dy6 ;copq.3v:yyow 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 c ,t+cd0erwou 0oherent 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 sayjdf-qw6 ep2 3h that two light rays striking a screen are in phase whq pf j36-e2dwith 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 pma z93)cuc7m3j 9fvyr;t u52+klj bdwaths arriving at point P. If the maximum constructive interference is to occur at point P,9tbjv9 m+ l5m;z)7j3wc23 cu udfr kay 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 pjy8 v1) uxcx ;mdq0a5xaths arriving at point P. If the maximum destructive interference ;axd0 mx85vj cuyxq)1 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 spot in a double-sliu p.i:wo4xce7hlfm 2;b8ig t0t experiment, l l4 um;:0ite.2fh pobigxw78cight 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 ckb4 )ut,dcoqp:in6 v:p,v x; ventral bright spot in a double-slit experiment, light from eacud:i;,kc4vob vv6p) xp,qtn:h 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 bright spot)rac(etfd8 z u: cg raos+h9,9 in a double-slit experiment, u) a t:8,+crrdfae h gozc9s9(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 7 jc q* n3oaoxl*-whixg+wt5i-46ln2 i* foxk slits decreases, what happens to the distance between the intia q4t3h *n2o7oow *kfg5x *ln6+-xjlii-xcwerference 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 i1vg xglfc:6w 0(m0 maws observed that the distance between adjacent maxima on a rem10agf(:lwm0 x cw6v gmote screen is 1.0 cm. 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 trav;h- qp 4bsgh 0kw*;dgcels 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 arue ayy /k+834he y,)hj2tjruerives at a point on the screen one-half wavelengthh kj4,eu8yea)t2 yy+uj3erh/ 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 impos1u12xy vxd tk8lk0j) asible to obtain interference fringes in a double-slit experiment if the separation of the slits ij 1ax1 t)v0l 2kukx8dys 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 betweeno x24 k2u s;cxn-;drs vp6r*ob adjacent maxima in a double-slit interference pattern using monochromatic light isoxsosr;ur6d2 2nc;-p xvk b4*

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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 diffeegbxs6 tv /) v ehqco-:**w.sfrent colors is:* h.q*wec/es tfvvo-s6gbx )

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which y, *zca)-q*t+z7o4ity)1uglrl 3 ocp)evu z ballows 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 slightly shorter than 400 nm is cal rcat((vp.y+ tw;7eok) -r eeeled

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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 calle8tb8 e*h+myp; xdnt 1pd

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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 8d-ndz1)ei 6cgp7bg jgreatest refraction when passing from air to p78 g61-dj )b dngciezglass?

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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 underd ,h88p. :u99*qtx jirelhvdf8e2zukgoes the smallest refraction when passing from air to x*rf:kle8.v tq8j9du29e, hup8dh ziglass?

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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. yrqwcdo yw7(wghy91;rs*-r 14iyutqgw(q 4 on a thick glass plate with parallel sides, at an angl7wi1ruh ( qq rrg 9dw4yywy(o.wgs;t1* c-4yqe 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 :).suzpwtwhiw fs,e1* ed idd4x6 0v( she now holds up two fingers, with a very small gap between them, and looks at the light source, she will sedwdiuw ei: (s,zve.s41 *hdw)x 6tfp0 e

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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 diffrapnk,jp .aw6k 8ction experiment, if the width of the slit increases, what happens to the width of the central maxijk 6w8ka, .ppnmum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines perh+oay7q5gq2m cm and the other one has 6000 lines per cm. Ma+hqa2 omy5 gq7ke 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 slit separatixhs/ /k*s lrxjr),yw ;on, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation be r/jr)s/l;,yksw * hxxtween 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 aucju*4 y7j.)v )ed;(uzneigo re caused 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 monochromx*rv.ylwo3uqbo 2e(t9nc4 k/ atic light waves can interfere constructively or der vlq/w3(k net 49.obcux2*oystructively, 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 bx 9f.ri970vynn*im z uoundary, there ix9.n79* 0ify rvnuzmis

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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, jjik8txu /g2rs*g:jl64xu9u lmfj5, which is traveling in air, is reflected by a glass surface, thur*9 :s2g5m 4 uul,kx jj6xiljtgfj/8ere 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 lighejr yd n+ 1i(uj+-lk9otauzj 0/.) tigt. As the film becomes very much thinner o+09yuuj+rlt ke t-(ajnz/ij.d1 )g ithan 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 magnesa*pc9kjyma mcfm30 ,rb() j 7q7t)l y7vm6bofium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The indeo7mlf30m,cjk7tm* 6j(a )yyc)qfv9m a bp br7x 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 illump4g2n: mdn vi2inated 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 plate d42pnv2 mgi:n 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 certab/j.i;gf4 s1nql; mg qin sunglasses can reduce glare from reflected surfaces?nj;si1bqlggm/q 4 ; .f

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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 polarit0 vf uw;4k.ab rxu g,zd(9at7zation 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 materiala/+- k+izc aty.kq n.r like a Polar.k.ck/tqa+iza-r +n yoid 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 perpendicular to each oth/aq.4l5h t4z2qy:pjpvgy 3wker, what is the percentage of p vzjpth34y/: 4yqk 5 .alw2gqthe 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 surface of a lug o p :*8enpheg-b9d+ake

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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 great x-pw xx3:2* 5sa+caq-;fdex,xy bptuest 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 diffractiok tvmf aa6i- x0cp7aj*h1t92yn 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 mo +lx-+10jqghyimj2 vsre blue toward the zenith (overhead) than it does toward the horizon. This occmhl0 +j+gx- 2yi1 vsqjurs 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 passes int7oop; /ms iyvd4x3t;p o glass, which has an indedipp4o;xo /tym; 7sv3 x of refraction of 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 passeslr )/jr.of b:egr-ms/ into glass, which has an index of referbsmr/ j g r-o:)lf/.raction 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 glass, whicytk htp(o98 2ah has an index of refraction op8t a 9tkh(2yof 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 550 nm in vacuum is kn2-;a06vqq aabo5zf found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to u6p hs2c5:pq1ygs,vb c:i:pq n)it f/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 found to tx, d6 fyqg3hm;ravel 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 light falls on these slits, aqh* cc* -3vp3v livib+nd produces a fifth order interferencbiv*vh *v-3 + cplic3qe 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 dy1f:j) crttoyda( k*cxs2h 7-ouble-slit and the third order bright fringe is sek12j h r*c:)ty-aft(dyso7 cx en 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 the two slits ; b(n0mm ttm2gis 0.050 mm and the distance from the slits to a(m0t2g;mt nbm 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 )iyw,hyie:1 cis 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe froyi:)ce i1yw, hm 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 apar,9 clr io(0sdit. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.lc9io s0 id(,r0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slitgk6 df gn/u3z( setup that has a slit separation of 30.(dg6ug/zkf3 n0 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 tw+v8h3c f l/uudo wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.483 lc/83 duvfu+h0 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 hl (ufe27r,y2 by alb-of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glas ,b farl(lu-ey7bh 2y2s 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 fallsdf 8gy*l ji-w12um6zl on a single slit of width 0.20 mm. What is the angular width of the central diffraction peak? f-zjg1du 8lmly2w 6*i

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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 mpfur p )6rwx0(wk-o f/m wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the centralw f-r f(6uxr0)wo/p kp 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 incill3i2d :e8mlz tq6xi db+t.9 ndent on a single slit 0.75 mm wide. At what distance from the slit should a screen be px9ezl+2i :tld ld i 8qbtn3.m6laced if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a sli+f qm1qhz; o*it 0.20 mm wide and the diffraction pattern is produced on a screen that is 11i *qhm; ozq+f.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 qq0i e r+icr65on a slit of width 0.300 mm. An observing screeir qq+ 65eri0cn is placed 2.00 m from 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 a slit of width 0.300 mm..cplhth/ q3cvr7 v 54q An observing screen is placed 2.00 m from the slit. Find the width of the central maxrc5 ch47.vpthl q 3q/vimum.

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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 seconwa .snvy( e*q)d order maximum is ay*n ()wsaqev.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. The angle between the chep)w8wr 1 f5em y;qrese7/3o entral maximum and the fourth or 1o s5m)ef /yer ewp8;e3rw7qhder maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on j35vc 55hljaf :8jfpq3 bw tm;a grating that is 75 mm wide and ruled with 50,000 lines. The seb:55m jpvaq;8hj3flwj5ft 3 c cond-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):o i*t wiy*+*n 6je+mcdhurm -order 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 grating. What is the wavelength of the light fr*oemj+:mri)u tcywh** +ni d6om 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 6000ocuzzz-a+hz9u5j2 ( 2gsgn,d lines per centimeter ruled on it. What is the angular sep2+sggd9-c o5n2zzh a,(jzzuu aration 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 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 5vqrpj9rwk c*i(,3i v spectral hues by a grating. If the grating has 2000 lines per centimeter, at wha*p r( 39,icjvw riqvk5t 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 u7w/vrokmw h)3 5h g-ga grating. If the first-order maximum5khr v- /w73g) uohwgm 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 wavelengthafb b ;mt.dmbagmyla2-v8*:)pot (y ) 500 nm is incident normally on a grating. If the third-order maximum of the diffractiobba*vmm8 b:( 2 dlmta-ao gp))t;fyy.n 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 g0 4/q7pf t13lgy-3+*ofuif yo mxs wfgrating. If the third-order mx 4 sguw1gti + f-f3yfyq0*73 lop/fomaximum 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 i4qdujlz( 1typbae q99e; 9yo9s separated from another glass plate at one end by a strand of (pub; zdqe oaytl9 e19j9yq49someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thicknes93yivd .sjp4/k* a4+oad ao0 :ckmowes of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lig+vaodaw*30ipdc 449/ k:.syoa joekmht?

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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 fiq26(siger ;gl lm ( n = 1.33). What is the minimum thickness of film that will give an intse( grqi;l62g erference 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 = 1.39nt41 iywx+ ll0) on a glass lens (n = 1.50) for waveleng1y+9 xlnw4tli th 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 the intensity ln y;jk*y rg/c /aze6vsdx:-ov(c- chy .(3t kof the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotatedtl ( .o(kz/v;3day ysck6-ngv/ r-yh cc*x:je $40^{\circ}$ 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 rotateojtq*z/kq n , obfx2/;d $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glasskwbodj7v9n;xb e8) .r at an angle of n9drw8)x. eojbv7 k;b$57.3^{\circ}$. 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 combina19qssw3g:b0jt /eo5v0jipk ntion. The transmission axes of the polarizer jbio:gt1ske9 5jp svwq3/0 0 nand 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 w y 4g1ll8cau) 3u(wgp a1.hsqbhen its image reflected in calm water is completely poyus c(luwq31la ag1 8. gbh)p4larized?

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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 oshfcw /1) h;qevzx)-w;f/*z cu+kjhthen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the aq e*+x)h/k fc-;jhs ;ow hz/cz)wu1fv nalyzer. 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 reflec;/enz2 5l3xa c6q5hh kn3(r eyqlaay5ting off a piece of glass5yhx na;ealy eac 36qr/n2l5 hq(k3z 5 of index of refraction 1.48?

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