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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 principlkbru1 xt-mwz )lj3 +gkhbhb ccg-,* m*:7 o9pze.
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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 false stateme .cm/l 07j hllsa7y1zqnt?

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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 o4d4 fozotxdu++:5v- x +*jkg 9lvdfuattributed 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 ked m00ss:3wo 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 differtl;j9eo4(m2. aevfbu ent 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), originally traveling in airi lmtv- igp2,r:ct:p5, enters a piece of glass (index of refraction 1.50), itslt-ti2:pm p5v g:,icr 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 (wavele, ;rlyku+s xwq6, e ((t)xsoegngth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wa +s6 ewue(x,og,(yks;lqr )txvelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes through a narrz(i;g + hoj8ely:(cpz taf;eg46x -ziow slitoli+6efizpez gy;-:(xca4 ; g(8thz j?

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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 b)y f y)od8zmu5y large objects such as buildings, whereas light is not noticeably diffracted. y5 )zo)u8 dymf 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 light and dar84l8()m+vtqwh m c1v x-jijb rk bands when light passes through two or more narrow slits1j 8cr()-+v v4wim m8qxtjlb h?

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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 sasig 3ssie+ac61a l6* cid 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 are in phase wcgy7w1olju n -6v e5s4ith eachg nc-y7o4 5lsuwv1ej6 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 dzu,qmqye 06+ bifferent paths arriving at point P. If the maximum constructive interference is to occur at point P, qyb0qz ,+u6emthe 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 coherenx1q;;- umdkj ,x4edbt (e l.bzt light travel different paths arriving at point P. If the maximum destructive interference is to occur at poinm.xjq; dte 4,kz -bedu lb1(x;t 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; , ge+hb3w*dtigu52hnxfh so(gbs( : the central bright spot in a double-slit experiment, light fd*( oxus( e+ gg3; 5i b,hhftbs2:whngrom 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 x km5c/t du. xthc198ndouble-slit experiment, light from each openncm/x9 1ttukh5 .cx8d ing 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 s z u.rxmai*kir)7 j)/npot in a double-slit experiment, light fiu 7kz/*)x a.jnirrm)rom

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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 jk+bs4ve(f0p between the slits decreases, what happens to the distance between the interf(+ fej0pv k4bserence 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 thed,+g4tc 4en6qpu o :sbcl, p,p distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in hac n:dopl+4qu,4 bse ,p gc,6ptlf?

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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 travwm.sz .3x-7 ge 9rv +bliu3zmsels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experegr ti/+s0bb5iment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which ig5re t+si/b b0s 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 t/ tn8-quggk7 urk x8h,br06mr o obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light u- u7 6ub/kgm 8rxktng,qrh0r8 sed?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between a78j3z.;-wny rh iqaia djacent maxima in a double-slit interference pattern using monochroz;y jan.-ih8 a3r7 iqwmatic 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 a prism separates whited y .9b jy ky;d:w:bz.enpn(p: light into different col9 j(y:p:b.pky:yen. zd d;nwb ors 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 rainc0rov,wfkx(/ sb1,k nl(0 gb sbow 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 ism/:;a* l dbsu6g+pystjnw0,s :anb;*v)sziq 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 tha.9 g ney:8xmhan 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 refrklr7fwdh6h fd980xn2action when passing from air to lhrx df62 wh f0dnk978glass?

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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 from ahji* ,uxh p:g2ir to gl *hux,g:2ih pjass?

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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 w vkr-b-n s4cf6ith parallel sides, at an angle brn6-bsk- 4fc vetween $0^{\circ}$ 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 two pv ymsoc0 ys):+ wz hk k/p:w2x;pv(k69pf,ypfingers, with a very small gap between them, and looks at the light source, she will pm;xv y 9s()yswpyk2:zf :p hw/v6k+0kcppo,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,-)6 t0s g. mpaic 0ye(.nvcolv if the width of the slit increases, what happens to the width of the cec 0 ivn(.e.mlt o6-)gp0syavcntral maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 uy hx2vo t1+53z3apllpa sl)2 lines per cm and the other one has 6000 lines pa)t p5yhax 1zl23l 2upo3svl+er 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 tarl)fz kzm,x 6 +:kd9she same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between z9:k 6mxrf s+ adlz,)kthe 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 caused i3:x1bm 7tl8q(7s j vmmugt ;hi)gu7qby 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 construt6sfc1*7d:c em i9tne ctively or destructively, depending on their phase difference. One cofmct cie1 t76nd*es:9nsequence 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, strlbm6 g nf)4/9;rb sl5 6lpvskrikes an air boundary, therr9mls l6gk)/;bbv5sl 4np6 r fe 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 air, is reflected by a8 ;.:m(o9ny9 ncv ;amrnyhdp d glass surface, d 99n;8o ma;y:pn(crynh v. dmthere 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 view1aqd 7bg1 i3c7ml.px 5zo 8ojned in white light. As the film becomes very much thinner than the wavelength of blue 785 711oigad x qnpomjz.b3lclight, 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 magnejvlz8 2bw owlt588 *wbsium 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 refraction of magnesium fluori*j88 8 bt25zlw lwobvwde 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 above w5x5xsu i26hm oith monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of x6u xoih 5m52sthe 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 cerq5rkn fv6tf ,6zc3d )gby80mztain sunglasses can reduce glare ,vmgf8 k qzy )t6n0zf36 5bdrcfrom reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is de bn,nc wsph:5ml-f;p4aig e/d,h0 :ip fined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like a Polah*xx7l qn)mxbh :x* 5vroid film?h:bvn7qml* xh 5xx*x)

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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 perpendicular to each othcd1 p(tu7-twm erw7-du tpct1 m(, what is the percentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surf hxkc;w, ..k*fjb(b lwu 4q-updrpe:2ace 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 zzduenrz(a)n .d/ c :6kh+i0dat

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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 i,z( jeapx65b qs 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 azfz+, *ox9uibe more blue toward the zenith (overhead) than it does toward the h9uiz *xzfo, +aorizon. 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 has o)hq 1stw8 h s1lhkn2.f4 0mgdan index of refrw1o0 gh mnh2hq t)s4ks.d1f8laction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which hnaw5i9.lm1pcg0a/m ep oa7f.as an index of refraction of 1.50. What is the frn 17.mw pfe5op 09aa.lgc/aim equency 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 into glass, whi 6 2/j2o2laq1bl rlnpuch has an index of refraction of 1.50. What is the speed of the light io22 aqpl2lrjbl 1 u/n6n 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 8zo tfg 6p(o7tin 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 air is found to travel af4 ypdj48f oz) /dymz d.nt+hcjbu ,3 su-*rs5t $1.96 \times 10^8 \; m/s$ 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 fou4 yvh ,0cpoop5 1cx6wgnd 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 slitc sge v/v9-ol4s, and produces a fifth order inter9c4/vg-o s evlference 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 andcm;)3 arnso ylpp+;+ exd*v m)s- jn9p the third order bright fringe is;adoy e*)s+ jr pmp- nlsp+ 9)n;cvxm3 seen 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 sepak wqqqwua73e.fz6j67 sf)r5y ration between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betweenj7 6)r qazwy5 6sqkf3ue.fw7q 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 mm, and two b4j eoxd 8d6 /rnb6r:swavelengths, 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 first coincide with /b6dd ro6j8xrnb: e4sa 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 apasv9p0 eh+nf 6ert. Monochromatic light of wavelength 634 nm falls on the slits. If e+ snp069hfevthere 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 doubleg )vh1 q02pb9ex *b5eo9 j-rdpdjzv7e slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between t* dvp0 do7rzeh9j1gb5x92) qp-be evjhe 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 contfpdv 78 t5y;sqaining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refractiony78tf d5; qpsv 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)ii-pabgzti:-y hayix38u)26 be9 fkz6fz 1v4 and red light (wavelength 670 nm) tyfzi 9bai1 x6hz8 k:fipig ayz 2uvb643-)e-is 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 0.20gas z6 q1,5v6sujpeh wr.l8+j mm. What is the angular width of the central s51 vwz u+j6as6he,grplqj8.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 light of 550 nm o:.nh whtq:xiwr;y2 h:8bkeq h s/k):wavelength. What is the angular separation between the firi:hx w:.eswqh2):yhk/ hkqr8nob :t ;st 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 single slit 0.f fc+ 7mb1xi-k75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in thm+-cf xbf17i ke 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 and the difdn sd /pnrk7e :9p9ro*fraction pattern is produced on a screen tha*9ordn9epp rksd n7: /t is 1.5 m from the 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 obserffob)t- +r rxlnq;/eak9.b ;/ dfd k8xving screen is placed 2.00 m from the slit. fbndrea;/)fbl/ko kqx+fd tr.8-;9xFind 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 sly8u+uk69k qpina e2i, it of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Finkq 29a86ukpneyu+i i ,d 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 grati-+8rv2jx5iczo wzl pro 8, ;-dy ekg9zng with 7000 lines per centimeter, its second order maximum is at x-k+r lcp8-8goyo w; vzrze2,zj9i5d $62.4^{\circ}$. 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 kgl) -tefu0b:) jjd u4*lvct5cm. The angle between the central maximumu)t : 4j-ejd0bu5lkfclt g)v* 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 is incident on a grating that is 75 mm wide .0fl3e *,mc3q 3xdde9 fvhhj, k3usaband ruled with 50,000 lines. The second-orderhv9*e lcjm3,fue0hf 3a,s d q3dx3k.b 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, lig:lryn/mb// hght of 600 nm 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 passes through the same diffraction gratib// ghnl m:yr/ng. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on.kh8z /glg5 qa it. What is the angular separation between the second and the third orders on the same side of the central order when the gr8hqz. lk/ga5g ating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grati85+bm 4 q7n y0.x3jsis+gv ppq4bhvh kng. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in hqj 0 74hvs .+q8 n4mbg i+pp5kxsbvy3the 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 cav5v q fl(xm)ov1z a kf4l,8-prlibrate a grating. If the first-order maximum occursfpoqm ,x)1a vf5 8vrkzl -lv4( 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 normabw,whxw8; wqvuw -+1u*3. cjb bu yv;zlly on a grating. If the third-order maximum of the difc bj w +;uu1wv - ;.wqbzw8,3bwvhyu*xfraction 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. wzyf(0 i v+1kf If the third-order maximum of the diffra0fy1z kivf w(+ction 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 glhrzluiivk 7 ;4k 7i/0yass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apa iikhkv/ z70l;7iuyr 4rt 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 o0.nz e*6pu 2udco0nerefraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally inciden2ueznu*odn opc 0 .e06t 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 = 1.33).cdb4zaj.it qato 4; ,7 What is the minimum thickness of film that will give an interference when the light is incident nor.tdbi4tc7aao4z q j;,mally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating vinq;/ i7zi.o(n = 1.30) on a glass lens (n = 1.50niiz o/; 7q.vi) 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 beam of unpolarized light and the iw) xf0 g.ldy:qntensity of the transmitted light is 1. A second ideal polarizer is placed in the beam g) xwy.qldf 0: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 rotated gq3 qfwu84yf v0:7arf $30^{\circ}$ 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 strikeb -kzc8 vq5 q/*bu/abz 3-nqkbs a flat piece of glass at an angle of kbck3bv- 5n-/ 8zqq /*quzabb $57.3^{\circ}$. 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. eqtz52w55y /o6 pl iqvThe transmission axes of thez52w lv qpyioe556/ qt 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 hori cx2;mjy6x7bysj +-horbx7f2zon is the Moon when its image reflected in calm water is completely polarizexjj oyx cf7rb+-6;b27 h2mysxd?

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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 +se b cmt0seret;*x z,b.2kd.this process, the intensity of the light transmitted is reduced to 10% *.s0.ebb dc ert+z,s ;mek2xtof the intensity incident 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 reflecting off a - ivl6ceoq6-ipiece of glass of ioli i- c-6eq6vndex of refraction 1.48?

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