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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 principle.n 8c1h7oe m/ag3 t3kbg
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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 ilgh; ) y;k+8sqjz0alq s 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 is50 9wazkvwrj 3 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 lws0a ht cnaim+-m/x( e.fr:c2ight 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 densiovz9;()oyly uvb* .wcrnb ,:s ty,

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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), originv;f2 f)ejc,f1 c lco:tally traveling in air, enters a pieffe2:;ctj ,cc)lov 1f ce of glass (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 traveli(-kqihwm0u c6 ng in air, enters a piece of glass (index of refraction 1.50), its wav0k6 wu mi(q-chelength

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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 thr--r2rm tkb/o yough a narrow slit?m/tr-ykbo -r 2

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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 a keg9yv8 c:vvo/;eam dkrn/7; s buildings, whereas light is not noticeably diffracted. Why is:;7e 9vad8k;g /o vykn m/cvre this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light andi/6bgx hhms ens.6it.1 z ,tce*df96u dark bands when light passes through tw h. fcuz.e*mshid6,61/ 9tnetgis b x6o 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 b2jlw :6 vf1sojqw xq;3e 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 say that two light rays sc ou-qni7j c7njr5w39 triking a screen are in phase with ea59cn3 orj wcq77jn- uich 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 pointv- t3 tqdv.ip7:kt/qozm hygte .5d ;7 P. If the maximum constructive interference is to occupv q5ttiqd:7/7. .-t kmhovz;gy 3detr 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 tra qqmd)*dhif,w( w7n66- irq pavel different paths arriving at point P. If the maximum destructive interfm dd-riap*q6i n 7,)wq6fqw(herence 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 :bf,-fi6gtaizo (0 hzbright spot in a double-slit experiment, light from each ibg-afhz6io :(tf0,z 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 ss4u:hke; 9 eyy4b*k el/ag3caide of the central bright spot in a double-slit experiment, light frok4a : husy;*/lgk4e 3eybec9 am 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 si1 uaxo6ignn65r(opg5f:* sq )v vv+2mhtvi*sde of the central bright spot in a double-slit experiment, (mhiu:o qvg v25x g*r+nf6 p1to6 *)s5vivas nlight 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 ,jxf/ zef)6 z krinei/+1h(mo decreases, what happens to the dz /xjimikz er n)1hfo+e/,f6( istance 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 1ispi0n 5n b;bdistance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in halp1s ibib0n5 n;f?

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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-3z46jj i-m4dn k1d xe-gjwv r light 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 at a point oln m( )aka-fxvg (.gw3n the screen one-half avwgf)mg(k 3.xl( - nawavelength 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 inxmr +2 odug;g+terference fringes in a double-slit experiment if the separation of the sl;+md+x ug ro2gits 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-d3 w6) t-pj;xiv;sn mlslit interference pattern using monochromatic light is;sj nw)-6m t3;lp dvxi

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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 c j -:0 /5s r/oreh8hzlnfhjz8qolors ir/8/ef rjn o-hh0zhs:8zl5jqs

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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 aow(w mmwx pk5k1oo: 3; s;y/1yh ogls; 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 isw* h-oh -fph1,g y0wqv-5wse d 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 7 l3;ar55rfbjb50 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 gre(w,,x)a)vppby+yh- isuy9, 4r igs hxatest refraction when passing from air to glassy) ), a,u9b4+pyg( -vpxswsy, hirihx?

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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 smaa .d1vwih ;9oeb5d8vae)lgc-llest refraction when passing from air to glablhec1)ov;gdiawa 8. 9dv- e5 ss?

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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 c7xjcdn )xx /lsi-) gpg)d4*dglass plate with parallel sides, at an angle bin)7d 4-l xspxg ccx*/ddj) )getween $0^{\circ}$ 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 n/j 1bk)cz. dsrj7gw1 kow holds up two fingers,k1 )c wr 1bg.jsd/k7jz with a very small gap 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 width of the slit incrz gpyb.wshe 3;p-* -tqeases, what happens pwg-;-z.q ys*3 b tehpto the width 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 grating4-lfl,0 p 5 rddbhzi6gs; one has 4000 lines per cm and the other one has 6000 lines per cm. Marl5 6,40 i hd-plzfbdgke 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 wit o*m.ewt a 9xikni7;.yh the same slit 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 the same monochromatic light, make a statement concerning the ii.m ok9x;ne taw.7y*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 sliuesq25j. s2rzeyc o) o(z uf--/c(yqyck 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 e/mow6 (slxam9z t/b3 can interfere constructively or destructively, dmms 3xzwtao/(9 l e/b6epending 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 lightojd*m 8x:;ht ap hed :1ns1nd6, which is traveling in glass, strikes an air boundary, therepn h* do;1:x68d1ahj :dmsnet 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 inq)i4cw w7 ls (lih5s1s traveling in air, is reflected by a glass surface, there isn5cssl(74ii 1hwwq) l

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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 vi* jdqt 4wbrn(k .r,:bkewed in white light. As the film becomes very much thinner than the wavelength of blue lig,:w dk(*rjtq bn.r k4bht, 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 lifndbf nt3+,-.y egyy 6ght in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it ng3 t6y+yf - n.yedbfn,on-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 ab ;f0y51 hmib1rdo 3zf0 2wtcdbove with monochromatic red light. Whtwf5 0h m1b0bc 3fozd1d i;2yren 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 sunglasses can reduce g mzq6 2m/(ybmum y(t6f(pqiy*o vu( ,zlpmi66vmu,(oy2ymb/qt ( m( *qzyuzf(are from reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is define: 26*s lyz ra9vedhn9nd 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 material like a2rxat *eo3i)g kn rq ;y2uc*v5 Polaroid filrv t*ra q;egxon52i 2uy*)kc3m?

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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 Polatmpx 1noj(ig o3w5- p5roid films are perpendicular to each other,-gp 5i 1xtjnow5o(p3m 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 from the surfac4j:t2eu3 qb1)t /bbu 4g kfptje 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 sunlight is greateo n 05ucm14wtqst 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 ec ,8z ohy*nw6m7j0c)g2 qmal 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 to/s- zda9sa6s+2b-i clug cc3v: 6d vlk be more blue toward the zenith (overhead) than it does toward the horizl 6-6+2vcd3sabdcv / gack9:uz-silson. 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 passes int w. v1.fdmtdi7o glass, which has an i.middt 7f 1w.vndex 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 passcjkr mr)6 38vjmjx dhs;p +u/1es into glass, which has an index of refraction of 1.50. What is the frequency of the light inc+urs ;pvr jmk6 3)8 1mjd/jxhside 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, wh0; 0fvx 6fivahich has an index of refraction of 1.50. What is the speed of the light in the vf0hfx;v0ai6 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 vaclp/p) zv bwy9 ep3-zw4uum 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 foz 15a a o6i0 vq(d tob8:ge;(uiu3cwg irx7ux9und 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 550g e,nc7k9s jhn* zads*.e n/oyg63u v, 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. Moo7jqnf t,y.s n3oa7 ,inochromatic light falls on these slits, and produces a fifth order interference fringe at an anglei7n3fjn 7.ao, qtoys, 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 do3 -bxxyw s-ja88qum x-ry 3en-uble-slit and the third order bright fringe is seen 3 b 88xj yexa--srx-3uymwn-qat 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 ix6fi;h*v- i lseparation between the two slits is 0.050 mm and the distance from the ifv ;l *hi-x6islits to a 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 uhmq39.f t gbqnp:i(yo/9 kn6 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 maximuk96g ho9/bmpt.quiyf 3(q: nnm 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 wavelength 63.f0n f82lsgd f4 nm falls on thf.dfl0g2 nsf 8e slits. If 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 igmhkbrnsl3;:wvw;7 4 ncident 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 tw 3r;w7;kgv:4 mbslnhhe 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 contai7u-mfn t 8afs5(+xuyo ning two wavelengths, 480 nm and 700 nm, strikes a plain piece of gl-a+u msfn8(x uy f7to5ass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. 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(y najxx5y8po mk xenkk;m;ho ) (-p7i0-kb,m of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glass a- opn(jn;mxkkaek7 y, -kb(o h;5imx8)y0xp m t $80^{\circ}$. 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 angular wiq ;.vacg93 1 y* w9mphikqnut4+ym8afdth of the central dif8*qiamv aw pmch1fuyk.9+y 4; 9t ng3qfraction 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 illumina648orbc nz) svted by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maxconv zs8b 6)r4imum?

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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 incis .63:w+xfp-oxrf sn9 *bnz cddent on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dar9 :ws3cf6 s.-fprbd* + nxoznxk 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 s dxzh z5g+q78uifv9)j lit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. u+ qgz z5j id)fxvh978 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 0.3,9ng9 xcgxf wmz7c vk3i9wl1 600 mm. An observing screen is placed 2.00 m from the slit. Find the position of t6g g vk79 w,3cnfli91cxmw9zx he 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 wi/w +t) wus6qokdth 0.300 mm. An observing screen is placed 2.00 m from the slwksu o/tw+6)qit. 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 centimetemxgrx)0af*q* i i/;kw r, its second order maximum0 *)xaxkgiwf/*mir;q 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 between the t*oi * * 3r 0l hdy.z7.zvdbuduckd2m8central maximum rd bv**2d.u.yochlt8 ud*7z0kd 3z miand 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 isn*4gfu;e r 8ec incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum fecur *8 ng4;eis 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 ;u:yuhai(++1 .y7rffh(amof 2tk ljefirst-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 fut yh2k j. ;ea1f+alm(+oy:(uri7 hfgrating. 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. What is tn- 0jw./ cj2(riz:-uwrvgwuj he angular separation between the:iv2z 0wcgjjju.un- r-rw ( w/ 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 spectral hues by a gratin:zhh,e6f*xgatg,w 0sc9 koe ) g. If the grating has 2000 tg,:c,0z kfw)*hxo s6ea9geh lines per centimeter, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm3c8/w z +umuqz) is used to calibrate a grating. If the first-order maximum occurs at+uwzzq8/u3cm $20.5^{\circ}$, 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 noqi0h25/: kyb) etq.x k6c-p:bpvgww v rmally on a grating. If the third-order maximum o qv:b/65 biw wc.k:-xq py20h) vktgpef 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 norm:m4+u.iq dtty ally on a grating. If the third-order maximum of t4t d u+tyqi:m.he diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from,-5yw3tne a4wsi7n ze another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when vie7nnzt4iee a5w s,w3- ywed 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 -)o iqjrjm - n+g1da1mminimum thickness of this bubble will ensure maximum reflectance of-m 1do -a jqn1)g+irjm normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1t/0x8u;7oy vzm f v6gp.33). What is the minimum thickness of film that will give an interference when the light is incidezy gpxf6t0 mu8/vv;7ont 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 ( k 7 3f)0kb puh6rjzj6q9xhv8yn = 1.30) on a gla6vzu3f7)x06rb9j kkh j8hpy q ss lens (n = 1.50) for wavelength 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 b7f q +xx +rz61od6wgtqeam of unpolarized light and the intensity of the transmitted light is 1. +t+xf 7qxq1zw gr d66o 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 directi*1s u ut*ae/ agidnz(:on 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 piece of glass j .i-pcoukp+l-c5 f9 hat an angle of if5+cjlh-p-c poku9 . $57.3^{\circ}$. 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 polarnls9 8-ofce7k4a; iwbizer-analyzer combination. The transmission axes of the polarizer and the analyzer are a;si9ekfnc8lo a47wb - t $30.0^{\circ}$ 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 hoqtdbag,t: /9a d; hr*orizon is the Moon when its image reflected in calm water is :qo*ta 9bt,a; ddg/hrcompletely 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 passevix jk a*7 5du3:,yedbs 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 between th5uibejda7ky ,x3: d*ve 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 angleacj,q oxyd nsos98f 2*6n9ne3 for light traveling in vacuum and reflecting off a piece of glass of index of ref *c j8on,9 nsso nxfe6ad932qyraction 1.48?

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