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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 princip- yh5:ko;zew))pfg j jle.
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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 j0 5p;f budswj5- r3lh(h*rjkstatement?

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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 attribrfl1muv 6 *wts +.5tbwuted 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 0:iqe0xvu jf s9bi 846 .fafvzis 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-8po4z r5sz ,3rlgf ifensity,

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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 = 5 jp 0athds8/rcx4 /.ec90 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50),r0xa .8/jcsec/4pthd 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 (wavelengthxuvo b-hsr53xu c4gn*j.bi v4nm 6t8 0 = 590 nm), originally traveling in air, enters a piece of glass (index of0 xr*g8bb c mho. utu 3x645ji-nsnvv4 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 spreadijghh+l- wqh.6 g4( hoqng as it passes through a narrow slithw ghgo4hq l6h( j-+.q?

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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 buildingr b-g9:ocmc )ms, whereas light is not noticeably diffracted.)mm-o:cr9 cb g 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 responsz-a3pyx7ce ( eible for alternating light and dark bands when light passes through two3ee- yapz 7(xc 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 tzq ;czgp77 h2l ts/ tn9;vyef(o be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we sa0dry;m30imr w5 sya1my that two light rays striking a screen are in phase witys 3a0;ir dm1r0m 5wmyh 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 paths arriving at poinq2hny6wy nis,r8k91yf(6 x jvt P. If the maximum constructive interference is to occur at point P, the two beams mfvh8jns62ynry,ywki 1 9x6 q(ust

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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 travely-2lhvv3e sk )9aq 0m4 /ucsyu different paths arriving at point P. If the maximum destrucscq-u/hul a s y0m)v2k93 vey4tive 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 eitm/ +pl jad2ds co12k0vy .8cmdher side of the central bright spot in a double-slit experiment, ligh220v/a mcs1j+pdo dldc 8ymk .t 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 1xci2-) 0 ffc)a4g z qpgyqpw9side of the central bright spot in a double-slit experiment, light -qgp192iwp0cf cg)y4 azf )xqfrom 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 eity5g:j nyy )(m1d7ayq wher side of the central bright spot in a double-slit experiment, dya ( 1w) yqyyn75:mgjlight from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slits decr1v;b2 zt;k9hew po9xjeases, what happens to the dek;h9;1 ov 2txzwjp9bistance 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 bef y-yi053n 97do1rjg+d v fjsttween adjacent maxima on a remote screen is 1.0 cm. What happens to the distanj-+ys5ogf jdv1itfdy3 70nr9ce 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 lig*qawwy98lbhxe6x/x n76: 1. jo ehyc sht 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 double slit experiment arrives apjq-(*pvxpos* 2 e w(vt a point on the screen one-half wavelength behind the wave from the other slit, po p* ep-j(*v(qs2wv xwhich 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 imposs)ij:zqoftzys u7, --pible to obtain interference fringes in a double-slit experiment if the separation of the slits is ,t)uip oz-z 7 :sqyfj-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 mazh0 b4q1) 7gi+i;zfl e cw1otcf3q)roxima in a double-slit interference pattern using monochromatic ligo1ge0hr)iw)z;cf tq +3bz lc1q4 ofi 7ht 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 lxb tm32 uxo97sight into different colors ixu7s2 xtbo93ms

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which alloampf* nc1+w45 xk(epwws 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 5kjy 0vq fg,5tslightly 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 longerok)f7tx;s 7g a than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refra0 ot7gn:b s 9fcegu( t6)q32 xof7lfucction when passing from air to 0cffx g2g)beoc7:t(sqf37n ul96 uotglass?

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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 s *qqy 5/5dp)zka5xj6 epudn-nmallest refraction when passing from air to g5jk) ydp a655 qdnpqze -/x*unlass?

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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 394qa17*pd ivf8j 6kfd; :dsvtdvsv e plate with parallel sides, at an angle bed t1v;fivj: qsspd a687vv f4d9*kd3 etween $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds up two fingers,bhg8ay6u i n.5 with a very small gap between them, and looks at the light source, she will bnu.i 8g65yhasee

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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 dif,ewf ( fl;lemm.wb)9oo:in8 ofraction experiment, if the width of the slit increases, what happens to the width of the central maximumw98wbm)efo(n l m :f.oel,io; 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 diffractk + av6k:f jqig*grbj;p :f o*zgq7i(+ion gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of tfg(+i+ :o vj fiqpgb6*;jq7*: z gkarkhe 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 w;.ze lgl3c* zy* +fpyf5sf;xxith the same slit separation, the only difference being that .f 5;* z3cxls f x;lfyyz*+egpone 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 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 maa3t1 2u6k p)wq fo7omkd16pcaused 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 -l+ y lht clx-z,1(wghcan interfere constructively or destructively, depending on lw+h1,h-z lgtxl -cy( 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, strw4c 0/x5aa t:f8se)qx /islt (r(fwntikes an air boundary, there ns)xwraclqtt/5e/ a0 i(: x(f8wf4st 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 i* uco9.*oew8. jh9h 0y+kdfyfh4on fis traveling in air, is reflected by a glass surface, there+io*n9o kc heof 9d*8j.uw0 hfyfy.h4 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 indq0y jal91cdpl9b d1.e6 mt)p white light. As the film becomes very much thinner than the wavelength of blue light, thc j pmdq0a9eld.)1t1 d9yl6 pbe 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 magnesii buq +zw/.w1tum fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to m .zbq/ti+uww1 ake 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 flat glass plate and illuminated from above wcbo,jpb.u/7d)y lwow: w-q2jb sc ,m- ith monochromatic red light. When viewed from above, conceny wcu sj w:opmb-q2c)db7,w-jl .o ,/btric 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 respopn ;tri byo-q+*km9o( nsible for the fact that certain sunglasses can reduce glare from reflecyr9bo;q ktmno-* i+ p(ted 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 direct/t7gq aibdih63lshpi y 5)xx*:99au rion of polarization 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 d(wty w.wbhr:j .u3o jol ;u4u1ichroic material like a Polaroid fi4 tju3:o lboj. ;wwwr(uhy1u. lm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission a,( .6j(xp:wr w;v mosg.qsybd xes of two Polaroid films are perpendicular to each other,;b(grmyq. x .6sp(vw, sjdw o: what is the percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected fj1s:q7oha b dh5;- bs5p9iqy mrom 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 sun8 xiwdmdjm3o .*ux8f* light is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction 9/m08mnf iwon 1;nmrv+ej4g aNOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith 4 y;ij(zr.ey lle5s9 p(overhead) than it does toward the horizon. This occurs bey9z ;.lelipyj5res 4(cause

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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 vacuumaew c+.cwt*( p. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the ligct+c*w(aw. e pht 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 vacq5(knyzep7prx 6 (qxz y )h;s:uum. It passes into glass, which has an index of refraction of 1.50. What is the frequency ofyr(h7zk; q:) 6xxp (pnz5syeq 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 v :pgkru .a3ep7acuum. It passes into glass, which has an index p7e: pr 3k.aguof refraction 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 inw xevf96;b*cbo)hlq** cp( p k 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 is foun5jb -8 h(g0sevi+b)jpudtlh)3-hxpp d 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 at /zk 4ztdljf+o 7wt.j+$1.96 \times 10^8 \; m/s$ 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. Monochromaticr9l/v6a v u8ut mpr(.f light falls on these slits, and produces a fifth ordep/a tv9r6r ul(8.fmvur 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 ppm:.q6ci d kk);dt9td80 qxbnm falls on a double-slit and the third order bright fringe is seen at anqdtp:kmi0x dt b.q c)6dp; 9k8 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 experime5f(px jw wxm//nt, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the mxwf/j5(/xp w 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 experimenlk idx z;9 j+nm:c.(z67gdzr at, the slit 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 central maximum on the screen will a bright fringe f zigx(z ad9:drl 67n;zkmj .c+rom 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 lig l4qz8rpjix u( il(0;lxxnj1- ht of wavelength 634 nm falls on the slits. If there is a screen 6.0 rxi(1ll j 4ix8;0 p(zqu jl-xnm 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 Ytbn 5/e(iv l: 6q9 y5)web sjut(kwg0foung'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 slit. What is the separation between the third-order bright fringe andu nt5s b0lbwyt9 qieve:w56 /()jfgk ( 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 contaigc w3qnn+.2 2kgifo3xvx*u rl5u)x b(ning two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of inci rxoq* .)2gilnb(k+v2g3 uwnxuf x5 3cdence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelenmx)3gv/.iw uy gth 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glxyu /iv) gm.3wass 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 oid( ba jf7j 2en+wd; .a5yegc4f width 0.20 mm. What is the angular width o ya5ejn( d7g+wibfae4;2cdj . f 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 0.050 mm wide, is illuminatedf- 6e) bpd)d5 5cq;xhe)febjj by light of 550 nm wavelength. What is the angular separation between the first two minimdj5pebeq;f)6bx- )c he5 dj)fa 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 6js73*jkvc no0 xcm9u(87 nm is incident on a single slit 0.75 mm wide. At what distance 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 cenj 7csmouv3 0 cxj(n*k9ter 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 inci/w+z3dahgcqh 4 aix6-dent on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is dga4x hia3 h +/w6zcq-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 inci(5v aab7i/osb-0+fl.rll. tv ln)bcy dent on a slit of width 0.300 mm. An observing screen is plylb+.l)sobb50i-cav. l av7 rft/(n laced 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 w3ei7k-v sj+88b rzknih(v ;tsidth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the(;b8hsstvi vrk7k ne+8 z3i -j 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, its second xcl) svad1 )x)order maximum is 1)dl)avc x sx)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 lin9 p0 x5/dtj8;r h1wilnj-jt1ueml3*yu0 q dbtes per cm. The angle between the central maximum and the fourth order maxx tj /;u3n805 riydbpjh11tl-mt9jd* 0ueqlw imum 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 thbd 49th(8qe abat is 75 mm wide and ruled with 50,000 lines. The second-order mea9 (4tbqb8hd aximum 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 expmv85ya8tovn 6e. i rqv;0 *djweriment, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second mono6 a50n;otydwie 8rvqmvjv. * 8chromatic 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 6000 lines per centimeter ruled on it. Wh3eu;)n sm5 syiat 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 35s)muisy;e n 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 i3xmiud*h +x1 unto spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the firsd+ x*xm13u uiht 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 thebbfy ; :yn60nx first-order maximum occurs06:xby; nfynb 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 wavelength 500 nm is incident normally on a gray.k6tfrr :f4q ting. If the third-order maximum of the diffraction pattern is observe4 r.fyqtr fk:6d 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 normalt0 f (:h ogr24 s.tebqv71ybn )/ucfpxly on a grating. If the third-order maximum of the diffraction pattern is obse o( ut4b py0ec/7nf rh 2gfbs1.qv:)txrved 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/wwxdq efgq+7:a -p,o end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when ,xd+p/ qqwea7o:f-gw 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:bgx9xhaie4 3 ts +m sz) s6ogh88zv1s;jua8m. What minimum thickness of this bubble willai a 9u88s6h3vhzszsm tx;x g:gmje+1)4so8 b 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 fnax w e g4od-w/x4q7mvwt*my7v(3w k 1ilm ( n = 1.33). What is the minimum thickness of film that(ktmwxnw 4 /mvww-* e1ax y3dov7 7gq4 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 = 1.30) on a .+t: :ruscs swqn.x 2tglass lens (n = 1.50) for waveleng. wts+s xnr:q.stu2:cth 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 ppma ,65y twy yqww7))jlaced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal po,y7w6my tq wwyj5 )ap)larizer 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 rotath0 hy6ufv:+u fed $30^{\circ}$ 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 abm.kc p os61b(:h a2cnir strikes a flat piece of glass at an angle of npb(b6kocm a:c21s.h $57.3^{\circ}$. 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 combinatioqf.effdfs29 ( n. The transmission axes of the pola.(qf sdf2e9f frizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon w3 uu)cso(qr 8ghen its image reflected in calm water is completely o rqc(u)sg8u3 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 passeht3 h*:*g iajcs through a polarizer and then an analyzer. In this process, the ig 3j c:i*t*hhantensity 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 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 vacuum4u y2oohzkolr s8(o:+ and reflecting off a piece of sy o(+ooo4hu82:rlk zglass of index of refraction 1.48?

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