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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 principlba q0b6jf/gb;l3( gl jhaib4 0e.
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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 (4bj5cd aafb cd,o65uk( -rrl 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 a hr aw06h09wwfhmd 2,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 atfygjq 41wk-zmu 6z) w+tributed 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 dew(t0 h3.fl9-gy jj ksxnsity,

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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 (wav9tp* h*g 4dhdd9+k hdpelength = 590 nm), originally traveling in air, enters a piece of glassdh*dhp499kthp+ gd* d (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 = 590 nm), originally traveling in air, enter,gp t wa6/pkkhgg5 o.*s a piece of glass (index of refraction 1.50), ik6t k./awho5 pg,gg*pts 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 passes through a nar te: vmsu6t9k2row 6 v2t9usk tem:slit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buik39 1icb otrjw1j0;qrj mc .v(ldings, whereas light is not noticeably diffracted. Why is t rm11kc b (cw3i;j oqv0rj.jt9his?

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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 dark bands when i8e1io bm(i /lc h6du5light passes through two (8c5o/i6iehd bimlu1or 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 coherent if 1-t dur:-aauethey

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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 lighf)f s px( 5e;o)e:tfcet rays striking a screen are in phase with eac 5tpox )(f)ce;esf:efh 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 paths arriving at px-u+t)v r) p cq7t*mmwoint P. If the maximum constructive interference xr7t)m qut)pvw*+ cm-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 arriving a q;qlktt/*;( :thy0 qc(ezvhp t point P. If the maximum k;leq:(tt/t;h v0 (zy pqqhc*destructive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a do-0u;5ka mc;vseis iks00 g+ajuble-slit experiment, light from each openin0+-5sv kgk0a asceism;; j0 iug arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double-sliax+ptk,)3 kxzmw3hk8 t experiment, lighxwk,3xkhz)k a p8 +m3tt 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 centraec(;6dlgcn6 f k 06jeal bright spot in a double-slit exp f e66(ngc;0e d6ljckaeriment, 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 separke d56pk;g 0byation between the slits decreases, what hapk;0ek ypb56 dgpens 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 observed that the distance between adh;t ;4;m7 btfyec6wry jacent maxima on a remote screen is 1.0 cm. What happens t;emy7h ywcft t6;br4;o 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 travels6cp 1akydoei0 4m* 9y*txd nf/d,jcq . 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 double1az i 3 44ezj7t)ow-c5(8m )d mbixna+sgndm j slit experiment arrives at a point on the scr 8at3- jn(i47 4za x iznejdgscd+b1o)mw )m5meen 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-;xzc ils /pp6 akz.f86slit experiment if the separation of the slits is le/akf6; z pzcilxp .6s8ss 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 maxi smemwe g:ka 68hm0i+*ma in a double-slit interference pattern using monochr*wm imgkeh: +a e860msomatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light into different cox ;(mt5ypbl w/l tmw yb/5(x;plors 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 to4ni weoa/umy;k-r. ; qpj xfz/c2lm)) 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 40vuff. 3p6ww.o 0 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 6xprua, atse.qs*l pg0r7/2wis 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 uvw5rf+bqvg oszcf*s*n5 0 k :vi7as9-ndergoes the greatest refraction when passing from air to glass? 7nbv-s+ f5zrwo*v95fq:*s gac sik 0v

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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 refrbe1f q-vh9pf( y: d1znaction when passing from air to geq1dbh91 :v(-yfpnzf lass?

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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 on83q fxqvvn 3opmq ;*2hl/ms3g a thick glass plate with parallel sides, at an angle q23sl*8 vvhg 3 q qmxn;p3/mofbetween $0^{\circ}$ 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 ug9 z( m.dbg,1ge (hqasource. If she now holds up two fingers, with a very small gap between them, anq.,u(( hz9eg m1gbgdad 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 width of the slit increases, wha(cb r5m,5ax/hxxb2mmy; sk / xt happens to the /xmrbax2 s xx,;mk/(bch5y5mwidth of the central 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 gratings; one has 4k qadsl-qad;(lb7 -q8kuxv5 9000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two 8adlqa 59dq7v-uq k b skxl(;-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 slid)- h(fgo ba.7bh(vcgt separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated witha)bvcf(-. h bog7gd(h 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 oilbdt v wa:lzg66 n89*zf slick are 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 monochromatic light waves ca 6 5hiqu9vum91g3 gwdxd-q3pyn interfere constructively or destructively, depending on their phase y9m6qhx913ui -gup vwdq d3g 5difference. 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 iv+ 1vcu*/y7kefksbus: x x;f)i04 fyqs traveling in glass, strikes an air boundary, there kbsxv*7 :uqxv+c f04yfu)y ik/s; 1feis

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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 gfql35e8aj 7zz1 f89jvmjjqeth6(o3elass surface, there isl1tfj z5m 88eoh eva3jjz7eqj f3 q96(

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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 becomes very much 0v4jl.tt 3 vjmthinner than the wavelength ofv3t0vjmj4. t l 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 wr53fh..s aeyos) 4ytfluoride, what is the minimum thickn4yora.yfts)ew3h.s5 ess 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 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 place8up mbm3cn 2 intid,5(d on a flat glass plate and illuminated from above with monochrom3( ni2md pi8n5,mctb uatic 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 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 sungup+mi8/hdh a 0 x8ax,9pl.cu klasses can reduce glare from reflected surh d+p.i8uk0xcp a l,xu8a/m9 hfaces?

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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 polay6a7 t82ndgt ojfd327r*o lwj j;1pimrization 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 poazrx8n7 v2v 4elarized light in a dichroic material like a Polaronarvx8e2vz4 7id 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 ,cwm5 ;r.1uh+wh)g 5mly2cplywv9 pw two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the two filmmywpm9cl;c w5 wp+.u2h y,l)w1 rhg5vs?

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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 lak wkw( 4uwv+ga* y/*v gfozo0b0e

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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 greatest53b.)h 8-t xyaghlgrn 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 diffraci8 -jx dciyl5uj kbu4 v21 d4l(r0be;ntion 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 tow, 2m x1dr7bpwv,1gskmrpa: l3ard the zenith (overhead) than it does toward the horizon. This occrkpm 2:a7bw31gp rd,x ml1,sv urs 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 v we3s v64rzpvz/h (vggl0lvb/,1, gj xacuum. It passes into glass, which has an index of refraction of 1.50. What is thxl(/zw,1z4p03 vsvv6/ jlgeghv,gr b e 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 5 lb60w)lx6fbo6l5b; bnymfi ,fqo y-600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light f6o0ly);, yl5fn qib65ofblbm b w6 -xinside 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, which has a2;n0uq7 u *co 2rlzqatn index of refraction of 1.50. What is the speed of tqr lq2t7uno;0uz* a2che 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 iuiuwwmium+dxx2)gc/ nk 641un(j+n 5 n 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 air +id9g8o4 cokz5hi i 0(j 1eqqqis 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 found to travel atda zc (lw:es,8 $1.96 \times 10^8 \; m/s$ 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 sl kbof0zeg70jxse-n7y,j( j*. wj ;kxqits, and produces a fifth order interference fringe at an angl.e,k;gzb k*-7qjxws7( 0y fj oenx0jje 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 nmx vnung6a u9,q.h2-vh0jp 3owgs9x u- falls on a double-slit and the third order bright fringe is see6nu90un-wup a s2x- xg 9gqjvh.3ov ,hn 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 is8, 9e-l:p j9im.rfky +ycyrbz 0.050 mm and the distance from the slits to a screen is 2.5 m, find.rmzr99yj+fbl8 -y,e k c:piy the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0/ +swwx,bl ,/gd y3zxq 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 from one pattern first coincide with a y/x, ,wgw /lqbsx3 z+dbright 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 wavelzf x y*8kgf,86jv) mk59uz qkts +9lsqength 634 nm falls on the slits. If v*k flqq5 tgmzfsx9k)y8,6u 98+jszk there is a screen 6.0 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 inciden9blw 8:yi2lhr t on a Young's double slit 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 double sli y:8b9lrlh w2it. 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 wavelenvgasd,z 66n z(gths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of rgzd ,s 66a(vznefraction 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 480 nm)1e wmrz/t0j p3tvn 7*o and red light (wavelength 670 nm) is incidozte jw3tvp0m7*/1 nrent 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 sli6.ua0q*+*vkub:n ltas jw(dj*va )c yt of width 0.20 mm. What is the angular width of the ce.j :jta*qu +cukwdlbsaav v()6y0** nntral diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mmn . 2*nqoujja2 wide, is illuminated by light of 550 nm wavelength. What is ta n*u jq22.jonhe 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 n.7 lwf8iv -scvm is incident on a single slit 0.75 mm wide. At what distanlsv -v 87cwif.ce from the slit should a screen be placed 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 incgeoov6j g .ce 5x1i4e3ident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen tgi.e5j6 c43vxee 1ogohat 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 a slit of width 0.300 mm. An observi;x4osnc ; :f0k 0tmhcang screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center;;ms0 kco0hn4fc : atx 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 wb s+:zo3 ajp n/juk(;nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m fromnkw/ 3zjop jabu(+;s : 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 centimet+ntaior:hp1 v6gi wl3vj)pim* da r s)ae2)/,er, its second order max )e2his)+p ro3widi* rm j/l a6,a1pv)tva n:gimum 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 bk b1+* qhoeq7coyfk/4etween the central maximum an7o+ fby4 q/kkh*qo1 ecd the 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 is 75 mm wide and ruhq9y *ej*c/lyled with 50,000 lines. The sehc*e9/qyj*y l 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 wavelen4xl koi9z;tp n6n3hv84v e nw6gth 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 mm from the central maximum when it passes through the same di4x4e9ztlo3 n6n; i86n k vvphwffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines pery; n9h i g+w hiqqe/+,n5cwo6x centimeter ruled on it. What is the angular separaeg +hn,ihc xy +wno6/q 9iw5;qtion 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 i /yvlg590 hsz 7 rvnapc6e)bb8nto spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nvc/ 0zyl9 a85 h7vbe)g6snbprm) 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 a grating. If the first-order qm:0o. )swaowmaximum occurs awoma:0sqo) .wt $20.5^{\circ}$, 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 50 k ln5zy,m*i ihx-9f(l0 nm is incident normally on a grating. If the i(xl* 9hkz5-l ,nymifthird-order maximum of the diffraction 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 grati1-2) br9,mxte8uw ) obb mxnm(sriqy3ng. If the third-order maximum of the diffraction patter, q err -s8xyw213m mt)uom(nbib9x) bn 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 anotherpq-wm*1u 7:hg 3dljdm9ft s+c glass plate at one end by a strand of someoneq37jgmldspudt1 9 fc *+-h:w m'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 1ak g9gn/q:1 vr.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength gqvkar1n9g: / 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 illuminatez 9ictj( ylcus,j(k;7s a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the lig tjl,zy;(cujc(s i9k 7ht 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 c 0tkmec( w*:cucb s-h(oating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 se(k c0t hcmb*-(cu:w 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 ipkb l.1;hot;8ra jzv)p 4qar .p/xw*b s placed in a beam of unpolarized light and the intensity of the transmitted light is 1. A p qlpkb /z.trxwpr;v.ja 4 oh 1b8*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 prefj-5m erpw6i0n erred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piowemxn/ cm:2whph-rw0s 2 x1;ece of glass at an angle of h2c:n wh;xw-0w2em /sp1ro mx $57.3^{\circ}$. 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 pac loknif* qp0xi h9681ssed through a polarizer-analyzer combination. The transmission axes of the polarizer ap hn98l* 1iki 6xof0cqnd 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 Mtjds 5aw.9or ampg) r/u 1fi(+oon when its image reflected in calm water is completely pjaot/u magwdp5 ir)s(1 fr.+9olarized?

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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 pass929rrpi j)3zgn-dx (gqln 9xzes through a polarizer and then an 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 betwe- 3z2zlgdxxngr r)9p9 q(i9njen 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 Brewsterw-ya)r4x 4,)5 rekm ifolpr2t 's angle for light traveling in vacuum and reflecting off a piece of glass of ind4 fip r,542lyx-a)r )koewmrtex of refraction 1.48?

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