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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.yz)bn5: eha9gfvjq5d9qi 5k:8u4 cjl
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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 b1 nuhl2 i3psd77 bq)ois 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 is attributed,;* oyy(c 2iicoh/ucj 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 tns n0.(nl /1hx)veazxm p g3;mo

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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 diffem;ftsvn6m q,jc u ,(5mrent optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), o+p1h7;oas -dhxvhg. originally traveling in air, enters a piece of glass (index of refraction 1.50)+-vhh; op1.x7dha sog, 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 (wavs,t6ued4le sz y65: hsdltoy.r) 6po *elength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavelens:hr6tyoe6 *os u)dzsy t ll,6p54. degth

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is respo e(w5q/ m;.qe 7pedz9geh(mzqnsible for light spreading as it passes through a narrow slit/e5eq;m q9phg7ezwd ( (.mqe z?

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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 objekj: km))cdq-s*km5ebcts such as buildings, whereas light is not noticeably diffracted. Whyb-s)*mkkemqj5 ) c:dk 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 responsible for alternating light and darkfh4v stzw5( 7-;dreju bands when light pas;tv(7jzh sd-r54e wf uses through two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are sg imnfc -u.2s*ozkg,-aid to 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 say that two light rays :tw vnaqja( 2 x/gk, *e.kc m0-w,iqhgv7thp* striking a screen are in phase with *t,ev.gmni(h-,7c*w ajg xh w/p qqk 2a0kvt: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 differok pnrt(33xr6ent paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams mustr3(pr3 ko6xn t

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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 pat26 k2whz kklp ir33scov 6im96hs arriving at point P. If the maximum destructivel3 9kism262vzwh6cpir o3kk 6 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 inf77cqqpib + c2 a double-slit experimf7qq7+cc ip b2ent, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central brigh-08tfdyi-y am;vob: vt spot in a double-slit experiment, light from each opening arrivesb yv;0 mfv8yo- tia-d:

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a double-sli/ip8nn-ydw3 p (kpl)z t experid/z n wnp8()kp-li3 ypment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slits dec0cne0 . bh f20vlh3y +az+hzngreases, what happenz 00egnh3h.bhca n++z y02vfls 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 expeqsmsb2lz* 9 .e4gq ph.riment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What hapb2q.eszh9gs.m4 l * pqpens to the distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travels path q3gzqj2e, kr /:jz18lqz*w26 o vmpzb$P_1$ 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 aa-ka-iuqk.rb0qgqv /n8q3 k, itm62k s9(jai point on the screen one-half wavev 9kis q 2 gkk/qu-a6jb8-0tqm,(a krni.a3iqlength 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 frx* 0ydt2gu (vringes in a double-slit experiment if the separation of the slits is less 0 2*dxt(u vygrthan the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interferen3loznm2m0zr /jr,c4t 6yfy 4z ce pattern using monochromatzf04m3z4lzyy 6 cn , jr/to2rmic 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 4+xqy3wr 9nsagq;mb4b3 ls: za prism separates white light into different colors i;sm4y4sb rn+3qlwaq b:9g3 x zs

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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 rainbm 9baue 1kb0 ,cziuyv, .fx+h.ow 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 short-;rb.r8 0hjhd 9nzcsa3nt:l c er than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 n0v3cy5 vzw f(unm o95bm 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 undx:w)n/wn zl089kq7hg1u vgce i,v+vc ergoes the greatest refraction when passing from air to glasscni/zg80n)ulx wgqw+ck e, 9h7 1vvv:?

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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 und3 4hxen.q wt8sergoes the smallest refraction when passing from air to glas.x3sew h4tqn 8s?

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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 wdm8t 8cz*v7zps7f 3 ouy3 qe9nith parallel sides, at an angle betweepv3dmo8f7tn z9*8 c usyze73q n $0^{\circ}$ 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 ta (t;htz- :riu2bo l)dwo fingers, with a very small gap between them, and looks at the ligz uabot :(h2 )rit-l;dht 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 zv9hkql/v (;awidth of the slit increases, what happens to the width of the central mz9avh ;kl(/q vaximum 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 4000 lines )dzpyr .mky2* per cm and the other one ha)y 2y z.kpmdr*s 6000 lines per cm. Make 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 with the same sl 5n+mt8fvb+ fiit separation, the only difference being that one gr+b+n8tivf5mf ating 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 slickc;/sdz* okbo 0/(ys my 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 can interfere c +ds1 szhqm.(donstructively or destructively, depending on their phase difference. One consequenc qms+.d dsz(h1e 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 1c0rhgu ,w:c tfw go2:in glass, strikes an air boundary, there i021, c:c grtfghuw:ows

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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 glass sujnep +a c/7k +kvwre 3;heb+2nc 6kxx1rface, there+e6kvkpe3n+wr;xe c 7xcnh 2/a b +kj1 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 thinn)yw dyf,kx,ye +mhpej)r u( 1zv ki056er thxfk i)ed6vrw yj+p 0,5h,1 m(ukeyy)zan the wavelength of 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 wavelxpa(5e.2 /,lx1 cjbd em 9coqhength of light in magnesium fluoride, what is the minimum thickness of magnejh(,xmc/blx2oed p.9 q1 5eacsium 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 placed on a flatl ;,*ze aeaoo t)q+8s: g: mek/blxv1l glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. Wxez;+ , qa: /soe:glbemla l 8vt1)k*ohat 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 fo jch-ejj)ra6zq u660e r the fact that certain sunglasses can reduce glare 6j-u0c jzj6q)e 6eharfrom 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 pol;ckmsa9b 41-p:.jc u( daop90r)gkt;rppl j garization 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 cbkm* unjuf)10 +z * 8z0ntfxcin a dichroic material like a Polaroid f1k fzcc 8n)u**btz+xjmn 00f uilm?

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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 twol. ms i39uq4yr Polaroid films are perpendicular to each other, what is the percentage of the incident li.qs ry49 mlu3ight 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 surface og7p3**3 .o1d cq.vy34xrx v 7tgj-tzg vgd icdf 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 greaq7vyz86e2an/xr h +il test 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 exhta1 w9p s*m7)q c3cvneibited?

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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 h1ehp 3icq *4xzenith (overhead) than it does toward thexh 4q3hcip1 *e horizon. 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 vacuumw:n2-dw 7pf ijk4.zn09t/dcdmm c :sz. It passes into glass, which has an index of rek z mp 4dtn:-icjfncm9/.07:dz wws2 dfraction 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 vaco 4r+ol(tda e-pmkd;tu412f p uum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of o4-(lmf4uod1; t+peaktd2rpthe light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glax(f; o9mds ,vpss, which has an index(9v ;dp,omfsx 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 vacuum is found tpwj.7u e :pi3ro 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 potsngc6n4bh0j7n-m.8 a)cntravel 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 travelzt rzf)7;b *ha 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. Monock5s gu-2p 6zgfhromatic light falls on these slits, and produces a fifsk pz5g-2uf 6gth 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 nm fank+sw j 1n4-km,ublk- lls on a double-slit and the third order bright fringe is seen at +j k1k -ln-m4sbwn uk,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 s0cj4v *rid0k+*)-7yjg yb8a poobgh is 0.050 mm and the d4j*-0v gybaopd)g8*70b yrj cs kh+ioistance 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 2x5 -zev3)*n cz jmsz:e.0 mm, and two wavelengths, 750 nm and 900 nm, illuminatenes-z5*xmvec: jz )z3 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 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. Monochroma 5v3 iyu4 w-keit55f ft96rxwmtic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adj5 5f kmtf3vt9ie4w wui r65x-yacent 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 tp fbm-8rcay )c+yf7) is incident on a Young's double slit setup that has a slit separation of 30.0 mm. Thmc78rpa) ty cff-y )b+e 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 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 cont7dpwjn) 5j e2+uf:: azqp-mx7f:mv bvaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle off5+v 2fpd w :apxnbqv)m-jez7 m:u7 :j 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 of blue light (wavelength 480 nm) and+z lb7,t; qqwu red light (wavelength 670 nm) is incident on a thick piqtu ,zwlq+ b;7ece 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. Wbnycg)c mbt.z1owgskyxi)-( 7(-:0 sl l dg8c hat is the angular width of the central diffraction p gbtzclk )go1 :xy.(ylw -c-ds(0nm)gi 7b8s ceak?

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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,k8.+jmcd vsuta/x k /9 is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side t/cvu8kj/9ad xm+s k. 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 what d zbqqg +umyao,em., f.m36bd)p4vvx(istance from the slit should a screen be placed if the second dark fringe in the diffraction patterdb m,v,mu.)e3.z+baof y 6xg pq vm4q(n 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 slit 0.20 4j m ssjef::)(kh72qz m qv(awmm wide and the diffraction pattern is produced on a screen that is 1.5 m from sh k()vqm(me a4f: 7:zsj2qwjthe 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 observi00ya)atapl5x x;mo, s auq75vng screen is plactq aa07x)yvo0p55 as,um;lax ed 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 width 0.300qutex1p3zl hj9,ygn8;x )pe3 mm. An observing screen is placed 2.00 m from thexp ,jph8 enu3; zxt9eg)q31yl 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 graw/ n*dk: qvp:iting with 7000 lines per centimeter, its second order maximum is at vq/dpi* wk: n:$62.4^{\circ}$. 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 c 6a+vwivflcx ;o/ g2d6entral maximum al6d awvvo cg6/fx; +2ind 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 rulahi bysz(6, .i ph)-wged with 50,000 lines. The second-order maximum phwasyz(- i6bhg).i,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 8fmkp6,q w2p4 ,c bhsenm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passespm 6 b4c,kfs8,q phw2e 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 rulei.. eq9f6i lfxd 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 is illuminated with a beam of light of wavelength 550 nm?i9ef.l6 iqxf .

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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 ingyvhps89v;;rirl)cu* a yr7 2to spectral hues by a grating. If the grating has 2000 lines per centimeter,2c;*;y9vi aupr 8vy)rsghr7 l 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 nm) is used to calibrate a grating. If the first-or56;yb1 azbiebut 2 g0/m p,kioder maximum occuab 6; 12mbu 5/,pzo0ey bktgiirs 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 :eej0 sr,1taqgrating. If the third-order maximue 1r0:qe, jastm 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 n sfny:h0 in.c2m is incident normally on a grating. If the third-order maximum of0hn.i2yc: sn f the 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 fro orr:(gxls hgi.*3llzn1e5( jm another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart ar5(ll3 gr(:r.z ix e*oshnlg1je the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What mini /ety b hj.qlh9ao j /e1f yy;,nrrm02kr-s+4pmum thickness of this bubble will ensure maximum reflectance of normally incident 530/4ej ratoy9., jy h;pbq10rnsr+y/2m- he fkl 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 illuminatj -y anyzy lr8rvhta ea,8-* w316t.oves a soap film ( n = 1.33). What is the minimum thickness of film that will give an inter a ya-j. r tty-zr3*lnhv v618wea8y,oference 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 thick( *dl ik,xnfy:ness of a nonreflecting film coating (n = 1.30) on a glass l kfy(nxld,*i: ens (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 a2h o.fc8 ,m5jt .twohp beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with ito.t,hjo8 m2f hp5t w.cs 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 prfg v:1 d.*dei4k *f4l+ qaafyleferred 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 se csbu4vf 22xbijn) .n;-j s9vtrikes a flat piece of glass at an angle of x vsuj 2sj v.;9bnbn24ci -fe)$57.3^{\circ}$. 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 passekd b *)rod89agd through a polarizer-analyzer combination. The transmission axes of the polarizer an a8o9b)dgkrd* d the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflee2ias oyu5lp*0n mwrw(/k 7)q cted in calm water is completely pps7*akoyi/20) lmnr5we q( w uolarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an anj h(x v6iuu-t+p9t.u.ao d3 elalyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the au(aovj . 9dhu+pl3tt6exi .u-nalyzer?

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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 ae: ska5l, 3utivq.qzx i1w 5c1ngle for light traveling in vacuum and reflecting off a piece of glass of index311q.sc q5t, xiia weklv 5z:u of refraction 1.48?

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