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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 principle.d v, fua0nlin.* wnq34
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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 ik)qj.f1r4dzo x qvlh8a7 z5d+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 is atlmjbc (2si5p *tgem/ /7h *ksvtributed 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 attqzo vqnt-h(;k *i ls.:ributed 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 d8pr a(x o3 g)y6zla .(ps/wae/ mgcih;ensity,

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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 (ibd-6v, ix79)b1p+:u m s1fxtf m oihiwavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), itsfx d1t v67ofbimuxhi) i:bsm, 9-1p+i 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 (wavelen.ph fnjwd e;5;b -;uddbp:m2lgth = 590 nm), originally traveling in air, enters a piece of glass (i; j;wu- .d2lfmp nbpdb; eh:d5ndex of 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 respons* qccj(e8h0 c4vb sy0fg)kb)(w rww 2qible for light spreading as it passes through a narrow s)ge(v f(wqhswbbk 2ccjy)rq8*c w0 40lit?

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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 buildings, whereas 1vdzv-n4ep )tlight is not noticeably diffracted. Wenvv1dpz )4 -thy 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 dark bands when l o./ioa3sg,.-tiuo 4 2dwzfz8m x j1bwight passes through two or more nau/ i3f8i 1ao2wzx.gmoj .ozd s- bt,w4rrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent if th c ha5a(vezp+ld6x4o 0ey

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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 a u0 26mmy,/gpm vv/r xlscreen are in phase with each ov,myr/ lu/xg6 pvm0m 2ther?

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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 arr*fvlcpd(y( x*iving at point P. If the maximum constructive interference is to occur at point P, the twlxyf*(c v(*pdo beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel diffetf u )zipw-*a7rent paths arriving at point P. If the maximum destructive interference is to occur at point7afwt i*up )-z 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 thy;t tpo3 a.kb+e central bright spot in a double-slit experiment, lig;tkt.byao3 +p ht 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 bright scvhoox9 1-x do6*x-qau2m li6*sn) ovpot in a double-slit experiment, light from eacm*-oun 6s 2xoq ivdv)a l-9oo*hx cx61h opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a double-slitsq(qq. e+q2yv m*3 zjy e2 +*y jq3qqsz(q vmye.xperiment, 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 se.vlynthu-a -*paration between the slits decreases, what happens to the distance betwe*vatnu -y -.hlen 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 tsl8eym lne 46)hat the distance between adjacent maxima on a remote screen)e ye4s ll86mn is 1.0 cm. What happens 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 patdp97q+2 +y fi 5tuslhjh $P_1$ 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 s0h( tzilpmi km/ 1jz25lit of a Young's double slit experiment arrives at a point on the 5j/h1 z0t mki(2zmlipscreen one-half wavelength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference 4/lrl 2lo,z chj. ,pgvfringes in a double-slit experiment if the separation of the slits is l, 2h/pzrojc4lv, gl.l ess 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-slit interfff ee6(t z+v:oerence pattern using me6zeofv:+tf( onochromatic 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 c:hh3.d aqemg :; hs-ha prism separates white light into different cocae-q: h 3:m; .hdhhsglors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to form)( 5bu-mjdxci10vb d8fg zf l.wzjy(d(),d wy 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 c, sozx22sp:wis 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 s4qbgsdjm+ 1k i-xq5 hr43t4vp* ;og kblightly longer 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 refraction i ;, 2+:fqvol -etrlbewhen passing from air to glrf- o lvqeie;,t :l+2bass?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing fr/ eku(uy 9vwc-f6i w(vom air to gckiveu f w /(w9v-u6y(lass?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a 5+zr o0tig x3xg +(hpm ;kb4wothick glass plate with parallel sides, at an angle between+i0wo3rpgztmhk; xx4+(5 obg $0^{\circ}$ 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 sour v.b. 4wtloyv0ce. If she now holds up two fingers, with a very small gap between them, and looks a0.vbl 4voytw. t 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 incrdsa15sq(e 7ngeases, what happens to the width of the central maximum on a screen?a dgs57sqe 1n(

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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 per cm and the o( utfmmlni1-a;) ca /wther one has 6000 lines per cmm;/ (ul)cni-a a1 fwtm. 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 grtgq*x jzfxs.qso*i* t5r ;;8catings with the same slit separation, the only difference being that one gratintc*szx qjq t5 oi*8xsr*g;f;.g 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 caus1ea37o+ trp 7 ye-bgvted 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 constructivel :y6be+u*li3snubm e1y or destructively, 3y *l+es1 bb i:6eunumdepending 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 light, which is traveling in glass, strikel3 -lu28gdge bs an air boundary, ther3be-llg2g 8du e 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: rfev7w/ nm,n air, is reflected by a glass surface, t/rfe 7wnn:v, mhere 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 zn97uoz 52une in white light. As the film becomes very much thinner than the wavelength of bl2zun7o5z e9un ue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, what w :0d,das diz)is the minimum thickness of magnesium fluoride coating that must be applieddaw ,d )d0:szi 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 flat glass plate and illuminggpb9e8pp7 3f)vaq f8bvruk( n1zr.:ated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact centerqn)b7f8prf81v(z p ae.v3u :9gpkrg b 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 8x s.(0+icdxzj) awu1 i.8s0r/5 kqju amx fhzcertain sunglasses can reduce glare from reflectsq.jx) xjxfuamriz8/0 i8u0w1 z(h+5s.dakced 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 polarizatiooceb8 a6;n2 afn 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 dgqf-hvqbb n-v i 8un+2 ;/q8:*qepvofichroic material like a Polaroid filmbo8;8+v-g*i b /:eh fvv2fup-nqqnqq?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmissiow/s6duw+cwn/7 eds* q n axes of two Polaroid films are perpendicular to each other, what is th 6*/c/ddq7u nwws+s wee 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 a9*x;uwy vz6n;lfws0u fh24zsurface 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 sunlcs j/rb a(sw2,ight 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 foll2q(x2 pksddsa0 ogtno hg1(- ;owing 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 be more blue toward the zenith (overhers kto8s6:8g0qm+ kzdwlv:-pv2pm y4 -c lo :iad) than it does toward the horizon. Th8z: 0y:pm sqk olo:ctw+im6-klv8p -2 4vsdgris 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 600evi /f, wzv/ +,rwwhj/ nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is ti/z/f/ww,re vhwj + ,vhe 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 passes into glfpfyf5r p x07w7+hiv d+g v.n5ass, which has an index of refraction of 1.50. What is the frequency of the light in7h.wr dn p +y+05v7fx5fipf vgside 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 ofpbul ,;*k x.ow th(uivb, s7d+ 600 nm in a vacuum. It passes into glass, which has an index of refracti,;b,*x + iuvh7d.okuw btl(ps on 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 ;)vlpv sx- sod9bb b)5in 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 air4o66 ixl 6;d zygt;rau is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is+vz9 y+oa*s tps 4jb+)a, utip 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. Monochromatic light falls on these slits, j- ct5cy 2w(uvand produces a fifth order interference fringe at an angle of c5ct(w vuy -2j$32.3^{\circ}$. 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 a5xbhup0bc8dk b3/ii vk.*he 8 double-slit and the third order bright fringe is seen at an angle of e3i8uk 0/bxchhb5db k8 pi .*v$6.5^{\circ}$. 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*xxqipcz 79 g 74 b.jpg+ln7h-n cbjr5g+)xk e two slits is 0.050 mm and the diri+9zc*xh7+nnp )5 -gbj4 g b7lgx j.pexq ck7stance 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 sepa)h ieati0rzz; o+l+7 jration 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 from one pattern firs; ho+ri)i +ezlt0jaz7 t 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 oc)gll58 x9zqbbd, b :fwz;4eh,l5xc.050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, hodb58 )eblqc z;4x,lz: h lfxw9,gco5bw 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 double slit setup that has a sl6 dne- l0piq 0kkj 04shm2,qlzit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a6, ezklh -0d0 mk 4jnq0iqlp2s 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 wavel 7di48 +g,/gdxoecmqqlb-i 8c engths, 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 1.4760 at 700 nm. Determine the an8,8d+x 4ciqo mcbdl7 /q-gge igle 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 red light (wave;r9wo 2 bov8yn aiy02iq /fp8dlength 670 nm) is incident on a thick piece of glass 2i;y0y9 2 wovprbn88of q/iadat $80^{\circ}$. 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 i; *c edtik1k6,kisu*x s the angular width of the central difu;k1 iecki*t s6xk,*d fraction 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 illuminatwnc c- z.l7w mhmj.m:p(hdv60ed by light of 550 nm wavelength. What is the angular separation between the first two mw-p(n.c m7:j v.ch 0zwmdmh6l inima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 ec3 +r.pt6tzo:b c8b ymm wide. At what distance from the slit should a screen be placed if the second dark fringe in thr: .pe+ bb ytzc3to86ce 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 iq(b kw*ial+se31j bd ,ncident 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 t+ d*i3wjbsa b( lqe,1khe 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,(o 1x0qx7oo vaixi.b. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of x.o b (ia7xo qv,1oxi0the 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 incidevx 1 0vfsdzg+2nt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maximu2dxszv1v+ f 0gm.

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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 lin14 f-sbgb7 21jenqh fdes per centimeter, its second ordeffd741-1henbj gb 2sqr maximum 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 w 720w;9sdz3zi 6ie pn 7smyxccm. The angle between the central maximum and t3 6wzcie ;is y 7x9pws7zd2n0mhe 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 incidi 7lbnmf* uql(p7d 9seel+,l6ent on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen at qb*(m9e,pl 7dl +slin uef l67$32.5^{\circ}$. 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 prodd2ivuh u nwb6f5-(r l8uces a first-order maximum 0.350 mm from the central maximum on a distant scrv( uh2u br6-dn5lwfi8een. A second monochromatic 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 ru; l)1qmpj( zn 8huk8hvled 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 ;q (jlh)1zmnvpkhu 88of 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 ou/smy 1;)prgwb yhm :n6t into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the fir1n;6ghy:mpm ybs r/)wst 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 usedqhnzoo (f3*o 7 to calibrate a grating. If the first-order maximum occurs3 nq(o*zo f7ho 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 g+ b*:sen7gpooc5abfn:o7d1y nh8 i j)rating. If the third-order maximum of t7 o cn8g5pyd7j fa:b)b+ e:o*1hnsonihe 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 c +apyou x2tw6 cb(j9,is incident normally on a grating. If the third-order maximum o6cu, p wy29ob(x+t cajf 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 from another glass plate k x1(6p- bbuozat one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent intpkbz1 x-buo( 6erference 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 o4 1wkmr 6gb9sif:lwcvmavb (6t1m . e4f refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of : s6g rt4le 9v1mkw6m4 .fmw1vb(b cainormally 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 filmo.w, m)k zkzfcl(p; ybqv: 6g0 ( n = 1.33). What is the minimum thickness of film that wyw lcvb:z60f,k.k z) pg; om(qill 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 fi5*cwn xb:r .va 0lxx.nlm coating (n = 1.30) on a glass lens (n = 1.50) f .xbl*xn5ncx .arv w:0or 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 beam of unpolarized light and the intej 8fbi-:mi-sv g-zqj*nsity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rgb si z-i vj-*q-jf8:motated $40^{\circ}$ 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 rotatedh7ww :wgkd/0ez;k-;orwzf s6 $30^{\circ}$ 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 air4slv:x9 v gl:l strikes a flat piece of glass at an angle of :g 9x:4vvllls$57.3^{\circ}$. 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 combination.1v4ff8ay .ojw.9r cbs The transmi1.cro.y4jw vs fab f89ssion axes of the polarizer 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 Mxpg ba mabj)gj(o0 473oon when its image reflected in calm water is xm bp(ga7)a4 jo0gj3b completely 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 througa ;/b,+bo*yscl-vqqept/w - t ;d e0hsh 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. qsh e;q ovdwa c+p-t,;*l0/es-b/ty b 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 nwz hi;+9:ks:it j 8titraveling in vacuum and reflecting off a piece of gj i +kiwi:n t9z;t8s:hlass of index of refraction 1.48?

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