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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 principlec 4eh2xtj a/.q.
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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 6lib8i7pa2 fj 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 liglle.veq, + 2mhw;jqk /ht is 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 y(4c p:kn l8oklight 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 entb b h3ey.ilde ;3w; mfih5re9*e)0lfzers into 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 = b-p+u6* fc7ti pc *wnn590 nm), originally traveling in air, enters a piece of gl*c7+ci -nwtp*b6u np fass (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 (wavelength, quvq -b2 in2*ixadf8 = 590 nm), originally traveling in air, enters a piece of g ibvq 2d, xqiu*-fn82alass (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 for light spreading as it pomtxv 66:-e hzg:o7ue asses through a narrow shzu -ego m:6xv6te7o:lit?

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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 object m*::jo8tpa. pkypzv :s such as buildings, whereas light is njvpmpk: to:p y:*.az8 ot noticeably diffracted. 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 resmx+lswgm13fh4 -hkq.5h li r-ponsible for alternating light and dark bands when light passes througgxwhrqmifl-1sk+h 3- 4.hl5 mh 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 coherents6t,a2 lgiq0 bykesu 9sroh 9 *+x)ke- 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 strihe1q3h i(i hzp-6o+yt king a screen are in phase with each othe+p h (oy3z1i qe6-hihtr?

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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. If the,f;fi q3 : hce+mps7 p*xou-fw maximum constructive interference is to occur at point P, the two beams m +x*e-p w:;,fcumpf7 ho fq3siust

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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 arrivi e0s8uv:f;pqzng at point P. If the maximum destructive interference is to occur at point P, the two bevpue zf: 0s;8qams 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 e52fx0j 2ulbncp +qds2 ither side of the central bright spot in a double-slit experiment, l+5 qu02ldpcsbf n2xj2 ight 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 central bright spot iz i:qh54h yu-u5ypzo )ju6j(mn a double-slit experiment, light45 :y p hhzyq-5jou6(uj)zm iu from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a double-slitcn rgcb9. t9/p experimentcp ./rb9 n9cgt, 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 slity x,(+v xuxyh2q)fd (fs decreases, what happensxqx)y,fuv 2fdy(x + (h 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 experiment, it is observedvpi(gidatnr66 (u i7+ that the distance between adjacent maxima on a remote screen is 1.0 cm. What ha r7 i+ti6(dng6(iuvpappens 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 lixhjzx4 btqd8l )4n77s ght 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 doubub gn i8vlp5*,5g uc)lle slit experiment arrives at a point on t pc)l5ugv8il* ubn5,g he 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 doublede/ i.bxwu5+u-slit experiment if the separ/b . +diueuxw5ation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference patt2v 9ll. vxt+/ecpq2l vern usi/qxv v+tev29l.2l plc ng monochromatic 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 explainsbz t) km9,y9g 8wt:z3i;lxtup why a prism separates white light into different co 9 tt9i)wlm,8z p;t3zx ybukg:lors 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 (yq3grqar( d8form 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 sho1s do-xytc/k- ji.m)v-7 iorfrter 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 nmlzi *.qn / )0apobnsc at(.o.x 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 refraction when passing fromu3fqbn /5 3 ama+:qxfl air to gla/um3 +xq fa :bnqalf53ss?

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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 undb:t khnfy(c 2uxgx *6:ergoes the smallest refraction when passing from air to gl:xg*yc 6btxh2un(k:fass?

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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 side:le;htvv f((ey 14 ah2t9t- dqe9 n.y kbqzu;ns, at an angle between t 4qhkeyq-(z9vhdv tt.nl1n f y ba;29 e(ue;:$0^{\circ}$ 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 s26im;m+ -ol tg0xlc par: nn-ohe now holds up two fingers, with a very small gi6-0roclgan- m +o l;nx m2pt:ap between them, and looks at the 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 zkw6/- xt,tbsx) /etcwidth of the slit increases, what happens to the width of the central zektc/,-xt bw)t6/ xsmaximum 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 gf +eehjn3.pelr1 id7n :j 70stratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing e p7 37trsn1e+fjlnd. eij:h0 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 slic2wczd f -h8p7j6 qr:gt separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of wj 7cdpqf-rh:82z6 gc 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 refam) 3/l+ma dkpign7m6 lection 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 wavxd9u tnv dgm2 07;zv5ies can interfere constructively or destructively, depending on their phase differen 9 td5dzgxv2mivn7;0 uce. 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 ae2na t(msb-2 0rqzx0tir boundary, there0bttqez - n a0(2mxr2s 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 refle ds 2in wi a/r jpos60ef6;k3n7 .uk1vnpvr.o8cted by a glass surface, there i;6pv3r7 ernaii.ujkp do 8sfov/ n.k 260nsw1s

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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. Ass,j; c-:p otbf the film becomes very much thinner than the wavelength of blcj,: fst-;bop ue 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 minimum tn bbww ge51yrf 922,wohickness 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 glass andbrge2,12wybo95nw w f 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 anet2rk:f2vb eue ifpu+t3*.q8d 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 lenue *p 2 +tikft8.reu:b3e fq2vs 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 reduceygo d3srh 1w4v yyu-gh:h0 t3d86i9tl glare from reflected sur s1l94gy-: wh30hyo3d 8 hruty6gtivdfaces?

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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 pa -gzo2)i2dze,pcqn .; er+w bolarization 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 lcrp.y;x3qz6x6 5tk kxight in a dichroic material like a Polaroid fiy5kq6c xrpztx 6.;3 kxlm?

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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 Polayzmw9k rc, g:8roid films are perpendicular to each other, what is the percwz,9: k gmry8centage 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 froyw0spuf zv.0s; pi)j, is i0r,m 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 sunlightft)tlke2d)qd.sc4 np z.c h50 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 followingx,nzuq)e, ) y zfop+.n is diffraction 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 r-nwb3 g z9;bhto be more blue toward the zenith (overhead) than it does toward the horizon.hbz-rw g3b;n9 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 k.k-ii-vzb )upasses into glass, which has an index ofvu kib- ).k-iz 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 pa4 a36egei lelzt5/xb,se gj9/e-qy9e sses into glass, which has an index of refraction of 1.50. What is the freels9-e4zx ,t9egj 3lbaqie/g e6e/ 5 yquency 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, wh2omm vyj* j8y0ut3 :weich has an index of y0jm8 :o3t*jumyv2ewrefraction of 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 found to trav;vim4b+:; aw n8wcbfg el 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 foundvuuw)eysd u +i72 66 r4o(.t9puevrth to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 55* yz/ yg(y1hmtf(c 0qw0 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. Monochromatic light fall*ci8kvrb29 lbn ccvi g,uuc; z 7;06wcs on these slits, and produces a fifth order intv wc c0l;9*u2cc,g k6 znibv7ci;ur b8erference 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 third order brigoos/dv)c9 bbm+6o )w pht fri)/p9obsb v6mw o+ oc)dnge 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 separation bet jl2yiqn x6 ttd 66;)(qnes8 jz9-hzr*pqoi j-ween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order a2e-;- 86xqqq(n jijj z ptzo6h*dyrs in9l) 6tnd
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 slitv0ecc 80s1 jcm separation 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 central8mcces10vcj 0 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 wavef7 ysjf7 ckq9)/a ayp5length 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent /k9qcapa 5 fysj )f7y7interference 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 semsmva.rq0 ( x)tup that has a slit separation of 30.0 mm. The resultant bright )x qmamsv0.r (fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and v(wqcv5 wk/ 8tri np:d7yyg*yml8 4 0-5vqu du700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the g:ycw-v/u0v5n 7( dq d 5yrvmyql8 i *8gpt4uwklass 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 (wavely:nn)+j l,j3gu+v wfci * jl9length 480 nm) and red light (wavelength93*, wvj+lg+ fcnluyn j:l)ij 670 nm) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What is the anrx.w :o7 dc(iwgular widt7( xwi:w.c odrh 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 0.0.,fu9,q cacwc 50 mm wide, is illuminated by light of 550 nm wavelength. What is the .uc,cfa qc,w9angular 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/:p4m0y)ta;f 8 vkdl)zly8okiim8ta r kt25 x.75 mm wide. At what distance from the slit should a screen be placed if the second darxa)kk4zl;8iy a)vmr k5t0/ :om82tiy8ltfdp k 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 a4 +7x ,gpva f7yo-ozmi slit 0.20 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 ce+ o7-z a4,yv fxp7ogimntral 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 a slit of width 0.300 ,d1rlzz-e1;. gv g zhumm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the centggl z1 ,;1 zrdvez-u.her 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 hu 7/ieelm7v2zn sm d(p;/:zl(mh/n q on a slit of width 0.300 mm. An observing screen is placed (lu/ esmzn/h:i lm; me (2z/7qd7hv np2.00 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 per centimeter,xez81uoe g(.1k g,(7l rnfizr its second order mgl78 rfku , r1g.oxiez(nze(1aximum 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 liuh9c6 fr3 p)0c9q+uusv6z ulr(atl g,nes per cm. The angle between the central maximum and r 69qu3(az ullvrsphg )f+0c,6uct 9 uthe fourth order 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 a grating that ov;0s 1ixx6a*v o cq3eis 75 mm wide and ruled with 50,000 lines.x vx1csev a6;o30oqi* 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 experime )msc(o h0y5v7ej6o went, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 m7cj) he(y5ovse wo6 m0m 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 h/m ota*v6 4ck9ke; gfcas 6000 lines per centimeter ruled on it. What is the angular separation between the secm4/kcc g96;f*vt keao ond 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 by a k2bpk; kaxbw;+ cbi ,,grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first ordb bkp ;2, kkwiba+x,c;er?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a gratiofby+;6 6ldk8ghy)pe ng. If the first-order maximum occurs adokb6; 6py+lg ef) h8yt $20.5^{\circ}$, 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 gratingo8(kh u1k /kij. If the third-order maximum of the diffractionkhu(1o8/i kkj 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 grating ,cfu xys/82hy. If the third-order maximum of the diff c2su/f,h yxy8raction 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 sepaqwi4du *r)zen5q9kw(z v t*5uq cxc ;:rated from another glass plate at one end by a strand of someone's hai :ni54 tvw;)zu(zu9q 5rdqqec kx **cwr (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. bfr7t(0shbeql p4n 07 What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengt04lr0(eth7sfq7 pn b bh 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 illuminavi*hzgj 7zyyv4qf)8z p46;-)got fdltes a soap film ( n = 1.33). What is the minimum thic lj)t4y*p8 -47)df hzzif gqyvovz6g;kness 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 = 1.3u1su3nw jk9fkw6 3tco1 t h5g40) on a glass lens (n = 1.50) for fnko jst6gch53w3u 9t 4k1u1wwavelength 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 b)yhteutj91vyu6 z q+(q. m;a beam of unpolarized light and the intensity of the transmitted l61t mz v9u)u.q q+betajy;(yh ight 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 directio:oojy):ej8x 0p9 k wgu vx**emn 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 lig,vlot k: *cuc3ht in air strikes a flat piece of glass at an angle of 3,kc clu *vo:t$57.3^{\circ}$. 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 throm: 1 )ub3aw6+gvks *frywyx e).2 junyugh a polarizer-analyzer combination. The transmission axes of the polarizer aj1wv6:xu bsaugy.rn3 ykfmy )ew*) +2nd the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected i/h)i k-(tf vzxn calm water is completely polarizhxz-i)tk /f v(ed?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an d c35exa5m*bn analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the anal3m *xbe 5nd5acyzer?

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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 aneh+v;w +*au3ri u.ej ld reflecting off a piece of glass of index of refrac.+;3 +e eiljvh u*aruwtion 1.48?

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