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习题练习:Physics Unit24: Wave Nature of Light



 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 princip5fra j+( (zoefle.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a w 7g 0oytfl/i2si37 gnfalse 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 attrd0q1ss0fhv 4 jibuted 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 c0z4v wg(l-p tof light 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 medilpzga fp)m z5( l;87t +eg7l.lrn4hxoum of different 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), 7tqb ej0ki47 loriginally traveling in air, enters a piece ofj e i7tb740kql 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 traveling in air,zo(d*1ts,r 8sqy *(vou i 3mzw enters a piece of glass (indo vsrzyqt(siw3u ,o** 8m1d(z ex 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 responsible f aoua7(p zw6ze0m*wbuei. jrt2i8c +/or light spreading as it passes through a narrow z6+ pb/*ae tw02(8umcor. awzi7ij euslit?

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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 su/m)6h d -fyb x3xvxyx.ch as buildings, whereas light is not noticexbxfmdx)6 /y. vh3y- xably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating livou ky m1b8 ks-m.p2c,ght and dark bands when light passes through two or more narrow slits v. om8cp,suk2bm1ky- ?

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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 sait2fk: ;bwpe(1 jhlz+jd 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 striking a screen arez(/. 7te9ktkl9 ted.1mgyrwk5.rtd v in phase with each oty.gt zd .t/9kr1t(t el.w7k dv9re km5her?

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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 point P. yp25x,jzgn(c, 4 2smuvpkv9aIf the maximum construnvpa m xy94 zg(sv, 2kc,p52ujctive interference 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 coherent light travel different paths arriving y31 ; *vme7e3hzkdwu/axxlk2at point P. If the maximum destructive interference is to occur at point P, the two beahea3md k12y xxe7vz luk3*w /;ms 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 in a double-slit-vdz+ irn0* v prj3/kkl1 qhumr(8u 7m experimen 1muh 3*rnurzqjipk70vdk+r l-/vm8( t, 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 bright spot in a double-sl7 a)n.n7woxee it experiw7n.e7ex )o nament, 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 side of the central bri.z 8*n8lve ykrght spot in a double-slit experimentekz.ry8* vln8, 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 experimen:mo)hsde8 sgm )-(h zv z5b5tnt, if the separation between the slits decreases, what happens to the distance betwe5o s)( dnt 8b-vzme)ghsz:5 hmen the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance betwe* d gjqm4f4,swk(8e bien adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima (m s48b4 q* ,fdwjiegkwhen 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 d1k9p8vl bo+s sjzt v:k-e:u*$P_1$ 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 sl7bjko 4ds fal(7-1yqx it experiment arrives at a point on the screen one-half wavelength behind the wave from thkq7( blxfyj -d7a s1o4e 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 fringes in a double-slit expzp)gp; x d pb1t,+k8ape34 wnqeriment if the separation of the slin,wg d;zbep3 +x48 p1ta)kqp pts 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-slit interf cmr;sc3xhuv;+ b79qx erence pattern using mono; xqvxc3; u+7b9hcmrschromatic 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 ej.r/;b v)qybqit/ayg*+cb p,xplains why a prism separates white light into different colors isab ,. bi)rgv+tc;//y bj *yqqp

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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 rainbp78n *e ttf0/0gvp2sxg3:0 jna dwp aeow 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 th c pj+q0-p*kdzan 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 th( cxsea3zz.tl96 4sueah,sc4jvbq( /an 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 when p5 5hx/n+wur4m5 medki assing from air to glass +x4r55h 5mik/ew nudm?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of lightxc -4u 90ve wf)x.lghk undergoes the smallest refraction when passing from air to glalxc.k w u-e)09hgvfx 4ss?

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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/g7/z jeum3apr/ yx0w thick glass plate with parallel sides, at an a zg/p7u0r e3jm ayw/x/ngle 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. 1u 2cz)7 )maetf:dt65mjwax l If she now holds up two fingers, with a very small gap between them, and looks at the light source, sl: a2em 5 u)7za)1m6tjcfxtdwhe 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 incf2-+v r:vrzcsst47 + qp :xxhwreases, what happens to the width of the central maximum on a screen?c +frz v2w4s-q +hvp:s7xrt:x

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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 rnk0hdtw)x6 ero 3 j6/ kw(pis7hwn, 04000 lines per cm and the other one has 6000 lines per cm. Make a statement comparinnhrwtwsk0,7 6od3exi(p n) krj0w6h/g 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 wijgrex,pe,vz: 3/+lrd th the same slit separation, the only difference being that one gratingl/ edj+,rve,3rg :px z 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 lc2 nf7lunbmw j*j1m)4a -l-i slick 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 intjfwf9) )u m s(iulh8w:erfere constructively or destructively, depending:uf9 (lsuw)mfjw )h8i 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, strikes an ai t,;+i0spgdwb- vtae io2)f:oi.dt4jr boundary, there is ibfd.:s t,io +vwd-;pj2toetia )g40

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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, wh 8lih*zuaql2 ;4,rhuh ich is traveling in air, is reflected by a glass surface, there iu*a,lhh48hqulr z ; 2is

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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 verd , b fyg 8seki4vx0(ll( gc(:,jds1ray much thinner than the wavelength of blue lis1(:gg l(efdkrc,0y sa, jdv 8bxil(4ght, 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 magng*4f8c b u g,kh 71wpl-:bqmeqesium fluoride, 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 refractcqw1:gukbb7fegp -m*, 84h qlion 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 plac b exp-xspp461v m(- q0 wh+dkw)ce0wqed on a flat glass plate and illuminated 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 center of the lens whervpc0px+b0w q )xw p -me4wqs(e -hkd16e 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 isj2fpc*s - uz0nbe64oe*3qz fact that certain sunglasses can reduce glare from refesn -*qjuc6ezo i03 p 4sz*f2blected 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 h rjr0g ixxl y+cl* )3665rces s7khc;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 obbldpm, fc k5*.tain polarized light in a dichroic material like a Polaroid filp,d c5k*fb .mlm?

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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 Polaroid films are perpen+l :t6v8 ryjqr9v*ixb jqq6.ndicular to each other, what is the percentage of the incideqn6l8 trq+ rjiv* 9qy.6b :vxjnt 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 surfacefc-iy2n ta0/ ddpeul (8*d ot8 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 greatest k ,sl9waxz)yfoljr 9 *1s p-1hat

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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 dh2b7dsj:ja k/dxw(2e iffraction 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 (overheadx a78pewba .j0) than 70x8ab wpaj .eit does toward the 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 vacuum. It passes into glass, which hs7yle6 cos 7v:as an index of refraction of 1.50. What is the wavelength of t :s7osel7yc6vhe 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 zdj02q3 p)k(l gf7dzwt np+i5 nm in a vacuum. It passes into glass, which has an index of refractiopgdptj)k(w+273iz5z q lnf0d n of 1.50. 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 inco /71*sb t czk9 xmj*0vdkqo0 a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the *sk00 b *zqto cvc/do1mx9j7k 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 to travel 8n el**.k s;sg hzw 18bvnaun*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 inv 9kgdxv:br9 .sc/c8s air 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 ab 07njy3etgvcx-do4 9 ir 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. Monochromatic light falls on tkz4fp, ds w1l;hese slits, and produces a fifth order interferps14fk;d w,lzence 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 falls on a double-slit and the third orde jkos*ijr,sy63 xp,wqc +no5+r bright fringe is se,i3pn+wso oy6c*x j +kjr5 ,qsen at 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 8 tckm59.0uzf8(hx -dkd ftznbetween the two slits is 0.050 mm and the dista-d8kk tz(zdu.m8c 0hf xfnt 95nce 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,( tpf;3yncf3mka b h+( the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distanc+c(yhma n3bk f3f;tp (e 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. Monochromatic light of wavelength 634 nm fte2kv782of q4b9l: vi:d8xsf4e al cralls on the slits. If there is a screen 6.0 m away, how farr:a2clli:24sk9 8qxt8 ob7 ee vvf4fd 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 aj4rr -pjr:8prs r84yw slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is r r-4sw88jp r4rpj:rythe 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 twostr/ fz1*n9ncm0g0 g3 y ad-:xw/tqid wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of thed*x1nt0yzs03 qa if/m-: wg9c /dgtr n 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 red light (wavelaqg ; l 1p)g* qgl ;;(bmmeh0tht.p:htength 670 nm) is incident on a thick piece of glaa t;);. glp p* g(hl;0gthmbe:1hmtqqss 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 sh d.2pe/n/ oav a)af*ilit of width 0.20 mm. What is the angular width of the central diffractioni.aa*2n/ev )p fdha/ o 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 light or)dga rj8 qml2 39,jljf 550 nm wavelength. What is the angular separ) jlgd r8a3jj2l rq9m,ation between the first two minima 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 singqj il8.pv :3adle slit 0.75 mm wide. At what distance from the slit should pa3idvl.:8qja screen be placed if the second dark 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 slit 0.20 mm wide a*ftx al,ed4,q6/um bond the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the centratx4 ,qb ,eoumfal/6*dl 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 incidengs*hif kppdy :wewp*9ij+)af 0;c-1gt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe ca) *0w +dpg1ik*fspg;h 9 :jeypf-iw 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 0.300 mm. An obse r y(ak-*ruiv4rving screen is placed 2.00 m from the slit. Find the width of the central maiv u4a-yr(kr* ximum.

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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 lla4w 1t 8 s9)b+blswxm; uk1e 8+jgpwtines per centimeter, its second order maxim sba egl8ul1;bww814wj9x+t+ mskp )tum 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 cenl9ottt44 4(fm2 sdrw: hh nr,atral maximum omtsfn4 ht4t da2r4 :9h(wrl, and 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 is7hr9k (ob x+ex incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seeh(+ x ex7o9rkbn 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 wavelengt(*rfwnwz nrk7cl9 8r3h 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 passes through the same diffraction grating. What is the wavelength of the light from the secozw8 n(7 crf3*kwrrnl9 nd 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 j 9 xai apa/-59hv+iezit. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated9pja5v-x iiz+ a9e/ah 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 int6sml52fx6a a4 k :lkzno spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first orka 6f 2s5zxa6mlk:4nl der?

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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 firstdw4h60f*vxma -order maximum occurs a*x6hvafm4 w0dt $20.5^{\circ}$, 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 gratingrur9 iud7lw yy 26l m9qw/f4/w11vv ps. If v4rlsq7w y/uw1d 9 pi9/r21fvlu6 mw ythe third-order maximum 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 wavelenx+wutg 89x kpxju4zl ,; 7u*ewgth 500 nm is incident normally on a grating. If the third-order maxixtww , xez79 u*gpuk8lu4+x j;mum of 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 aty+af.gc d y)m- bpuc:xia +/h; one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm? h ap++ym fia;gx-.ub/)ycd:c

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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 minimum ud50k1v+u mh jthickness of this bubble will ensure maximum reflectance of normally incideu+1d0jkumv5 hnt 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 = 1.3k -bc2 m-k b)cpafnz7*3). What is the minimum thickness of film that will give an interference when the light is incident nor-pk-c2zbn)*fb m ka7cmally 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 06t *plr*a;h ww( yzygoz0yk7nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelen0l0a6 pkgh *(;7yty*wz w royzgth 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 unpolarizedy swx, pi b4ob 4kf3486mj8gai light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the b6ymso8 4a, ix48 bk4j3ifpwbgeam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction roy6tzkrr( 4hhs 8bs:9btb7k:c tated $30^{\circ}$ 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 at an 2 d:ymk,goc**:lks0(zva bv h.* ispa angle of cs,avv*lmkb: (dai* 0p:.ozh2k *gsy$57.3^{\circ}$. 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. Thev-6k6goc z2 ls vw5bs+ transmission axes of the polarizer skgo-65+6cvzl 2vsb wand 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 reflected in calm l:zyxrp u .e.+qbm0l(usk5h1 water is compleyu+ulk :zlx5.. b0qp(h1rsemtely 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 polarizer and then an analyzer. In this proa-:t:qy) rcm: ) wnlwq7fshx 7cess, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between t7 y:hmwa):l tswnf )-crxq:7qhe 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 +w f;dyfdp6h 9reflecting off a piece of glass of index of 9f+wh; fdd6yprefraction 1.48?

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