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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 principled )9),vr m k5qfzy:xtg.
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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 aw3zzfo9 bg 3.nd1*oln 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 atu6h.xj dqgqze6q95p;ig4 hh6 7xk6tdtributed 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 attributed +x4 5jrma,c9 ai9,n lpcw y( ohe)afd,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 denbah+4isqoc) nvm)1a3 sity,

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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 (wavelee vp pj7ux(//j.k/a wlngth = 590 nm), originally traveling in air, enters a piece of glass (index of refracxvuj l/.(kpajw// p 7etion 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 travelyv:yg49 1ricqing in air, enters a piece of glass (index o:yy1v9 qg irc4f 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 h-u1fi x.o2wd *3k4zdncw1k;2lc qm xit passes through a narrow sllhcdikz-xx*mqw 1 k213;ucwfo 24dn. it?

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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 bbg 1cm+iftcu c)krer i8)+/+ zy large objects such as buildings, whereas light is not noticeably diffracted. Why is + +g8r1tc/ u)rbecikfcz+i)m 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 and dark bands)jcxrtb 3v h-/o+:nd 9nka s9k when light passes through tc t) kdn+n9xo9a-j /:s3rbkh vwo 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 coherenrc: ec3zf0hbvgz 5n-4a*:ffz t 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 striking ge. em g*mex/d .hn5p0a screen are in phase wex .*eg d hpmnm5g./e0ith 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 poh4xy: 7f9wfr*pwdy1 gint P. If the maximum constructive interxf 9yd4rwhg wp*7f y:1ference 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 coherenck)ym yj 4k7.ut light travel different paths arriving at point P. If the maximum destructive interference is to occur at point P, the two beams7m cy)uy k.kj4 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 central0tu:c ehr 1z5e bright spot in a double-slit experiment, light f ht1 5receu:z0rom 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 in a adb j.m/hw h76 ihfd0/double-slit experiment,.d6 jw7ma b /hdh0/ihf light 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 sinu05e xcgy/bwz y/x0 8de of the central bright spot in a double-slit experiment, lig ynb/uy xxz/0g5e8 0cwht 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 w1e cz*pv2;pc,4ab di experiment, if the separation between the slits decreases, what happens t4az 2d;*cvc 1p,peb iwo 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 o1yn,. abj vb;jnhq6.tt9 wl, sbserved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separatioy..,vjba tlbh19t,n6s;j w nqn 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 t.gdq9 il6bl2x ravels 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 o:jhft n-l 9w)lf a Young's double slit experiment arrives at a point on the screen one-half w jt:lnh )-wl9favelength 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 8s6 k8 5cudwr8v .sfbcc dxm3r8p.u7rto obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of u5.wkd vrm8pxs8r6r3 c8fbsc8 udc.7the 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 du4s kb 9-o0 rql6(njnwouble-slit interference pattern using moqrlw n(4k09 -bno6 sjunochromatic 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 i-p qqk.1z prvq 30q jieng8py i/,f.3why a prism separates white light into different colors rpqfi,ejq k i .pi3n0 3 qz8-g.1/yqpvis

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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 ranc x c/3s on9.;85ohujwl7 j2zi;omv xinbow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm is callei jq en7aj2u:b cf61u:tzw hqs o:20r,d

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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 75)uyg5m0kp-whb x7/)cr o lc9 *cwk/du0 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 greatejhuh* ;*6 1a(o oa.lxoaze8rh st refraction when passing from air to glass8;hza*aorxjh 6 uo1*leha( o.?

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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 undqhj2o )vaml .5ergoes the smallest refraction when passing from air to glassm5v).jlq h oa2?

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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 sides,u e8 xzbnn2a dw(s4nep 8.j/r )nv;)rj at an)d;anj84wuzpnrn r2)x e8nj / v b(.es angle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now hpbzy6.vm wwj:.- r ot*olds up two fingers, with a very smowt:yp*j.b . v-wrmz6 all 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 y w-b9 hklg(c;xh 3-anec2o 3n/m:scf89zu fislit increases, what happens to the width of the central maximum on a screen?ybz9ucalh8x em-(k isgho;fc 932 nn/3 c-:w f

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratinwkx63zbh+* s9f6xzvjgs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparbw 6+s z9h3x6 zx*jkvfing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separati:53cdboei3upnx k;(uon, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between thkuub3x:; de(pic3o5 ne 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 0tz/,yeuwtu. *ov 3ehr 4w o/mare 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 sk7q(7+ zj f/bo q6x,efx- 5sutrc(rlo-+ra cmonochromatic light waves can interfere constructively or destructively, depending on their phase difference. One cons5sacu (e6-+obtqr-( f+x77oq z sk,j rxr/flcequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air *riq8v50 s lv,hga(lk boundary, there il,ql(5v8gvr0k*h sa 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 ng j8g-mr4c/w sy* wct93 .mtq4qmu-8d.eyst air, is reflected by a glass surface, there nc3tmdsyq4-j.9/4q8wy-.et mmggt*usw8c r is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very much thiny 3cm/tpc rusva4+pi,-qj / 8wner than the wavelength of blue light, the fiuyctaiqvm + s 48//cp-rjwp,3 lm

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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 flg9mm:-v0 oths lk0m9cuoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magneo9-0:mlt9ksm 0c vhmg sium 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 l;v t3abusx gbj-lcv1+j 5(c. above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What doe1ltjubv(35 xag-jclv. +;cs bs 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 gz1**qygk)x 6wl5jku-2 ngh7i kr )v mthe fact that certain sunglasses can reduce glarjkiqul-*mg7 y15nv h)6*2kwzrgg x)ke 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, t zk(n lt t,gb5krm.j9, y5fas.he direction 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 dichroic material lihiq u(wgra/ f6.( iv1uke a Polau q1hw/r fi 6uv.gai((roid 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 6rwzqlg:1c0 pe36lbo +ogl j- two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass tg jlql :+zop3r6oglce -b01w6he 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 qtpc:dcq17ywj3 z 8oa2i 2k:vsurface 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 sunlighe ieov/42oi-rfbh( w9huc ql-(i4u 5u t 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 NOT exhibited? g o96iquotigt0dd3ck90 b5 jx; ycf)0

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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 sm0+tj2x fr q/uc( w5hto be more blue toward the zenith (overhead) than it does toward the horizon. This occ tmcr x0/juwh2 q5(+sfurs 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.t +,1 : bhosjeqdam u080mpywo glass, which has an index of refraction of 1u8dj1pt :h.bm,o+mas y0e q0w.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 i3xw3 ,j 9z s7ohqfxnv/pa8 o4sn a vacuum. It passes into glass, which has an index of refraction of 1.5 zhx8v3 s9jaxo7qo p ,4/sfwn30. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes intobm5jo: vo7bq 9 glass, which has an i o9:q vbbo57jmndex of 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 in vacir hg;sbp3n,zf1wluxo9ira : 5x-c 37uum 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 found to travel .y*e +dhg;prvqf( fle//g )0kenf1sb 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 t*l0pqnyegl :9mzz-s1 ravel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falls on these slits, an5enhom/ 2c h1efy4(uwd produces a n1 cefh/4(e5o2whuym fifth order 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 e:8+9evd +iivd naul. nm falls on a double-slit and the third order bright fringe is seen at an 9edinleu8 ivv+:d . a+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+y :qawkx0r .u slits is 0.050 :0 aruyw+.xq kmm and the distance from the slits 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 separation is 2.0 mmbr4k:w:65elrjd 3t m c, 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 bri5rw3:6 cjdlmk :b4tre ght 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 2mz9rcru*g fw.1r p: smm apart. Monochromatic light of wavelength 634 nm falls on tgup 2mc:r.s9*r rz1wf he 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 incident on a Young's.cl iq.hi6k5tczi 9 hj48e.hw double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe6.wci5 hiqh k z.i8j9 tche.4l 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 wavelengtt(f88ly4tkj7l 2eqq) ckhm 6 khs, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.47lke68c2y7ft h) qklmt8k4j (q60 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) and redi0 ao;ni7lgp, light (wavelength 670 nm) isa,g0ol ;ii7pn 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. What5nbu *h)osnoc.4*,/t f mejag is the angular width of the centralmj.g,/n*n)t 4u*faco 5hes bo 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 illuminated by ligowb*i4 ;x /kn-toi*kz ht of 550 nm wavelength. What is the angular separation between the first two minima on eithtz-iixw o4b/onkk * ;*er 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 0.75 mm wide. At 58 b/lkd7xarffrj+)b what distance from the slit should a screen be placed if the second dark fringe i )5+ brxbraffk7/d8ljn 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 i yqf 57ekv(ak25 :gawds incident on a 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 central maximye5 w(fa dg72ak:kqv5um?

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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. kn6chw23bzz1hx5xj: An observing screen is placed 2.00 m from the slit. Find the position k563xjhc :nxb1z2wz hof 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 vu7 81l c5jmtrwidth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centralrm 7u cvlj5t18 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 orde+d 4 fm/7.f t6oa3obh 8ihlnbjr t4ha i.hn7bobfo +m /jfd8l36maximum 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 px9s,+caoeh bf( jft /(er cm. The angle between the central maximum and the fourth order a,+xh(cf jsbte/o 9f(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 grati) u+a( qf/haus75v.ghbpg0pbng that is 75 mm wide and ruled with 50,000 lines. The seca)u(/ b pq p7ah5s.guhv+gb0f ond-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength produces av8usl*e):,q*l2au+ uzts fdq 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 theudq)u8s +s** tez,fvql:la2 u 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 6 n2a.-re gkxuhot:4 glines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating ioug6ng4: .2e -a kxrhts 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 intozjo 23a :cojp8 spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the fi32cjp8oo j:z arst 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 t qk*vq; (yico(t3+ c k:zbp1vwhe first-order maximum1ik3*q t:zqv boyck;c (p+w(v occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light o(f52 :h7g 1r;szm9l5io(kakj 4mblm;f ymlhu f wavelength 500 nm is incident normally on a grating. If the third-order maxj lmhmz:;olfus19 grak;fy7l m (hk 5m4 (52biimum 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 grating. as/514xc8 nvdu i 5inw1t.)z:qjsxl s If the third-order maximum of th1z 4v1s5i: ) .8xc5ni xualsdw/njtqs e 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 cd(w/f z75xq jfrom another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). Ho5 xcw/fjq 7(zdw 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 )yqwko 16s4u a1.33. What minimum thickness of this bubble will ensure 4u6 oy)qwsa1k 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 film 5aymua4jgdd: fuaeb,v..s 3)( n = 1.33). What is the minimum thickness of fiu a ):uj,a4eyga3dbf d. s5mv.lm 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 nonrefwhpb,jrfa* wqses w)5xn+8ty4m5l-/lecting film coating (n = 1.30) on a gljnw x+ fmw,58 yel*w 5h)t/ -qssp4rbaass 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 zv 4w2h y+kkxd(.chp* beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred dire.(pxwydz4kvhh*k + 2c ction 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 preferredqfu(-bhdh -uhrbatexs4*71, 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 b 4 ,)w6jjcztz r3zf7zflat piece of glass at an angle of t cr4zz6z,wjj3 fbz7)$57.3^{\circ}$. 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-analyzej 6 03w/kge: feos -;vag. re-3erecodr combination. The transmission axes of the polarizer and the analyzer are at6do g;3eoc-:e/ee03 -.gker avsw jfr $30.0^{\circ}$ 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 horizonj2 jofwbc(h vsvz1g( z.mc198 is the Moon when its image reflected in calm water is completvc2fgh j8bo.vc9z1jm(s( 1wzely 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 passes through a :,zcncyl d+vq)wqw.- polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident)nlyz .c-c w ,d+wq:vq 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 vacuum and r 2pq(j82z ckzjk +iv:gpugc3(eflecting off a piece of glass of index of refraction 1.kjqg(2ipvg 2u z3c8z:( pc j+k48?

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