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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 principle.7-meiv u ceo7c 7xr6f7
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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 falsee1eu)vm8 4pe 9kb1r av 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 atti g5g xdk8(sv1/h; (f;v 4d9oglqc6wstw xz2tributed 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 off/nk-wnay *iizk) 7 c8 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 medium of r36b74t d ikajh x7tq-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 b6lf672xe ujz0dq t* m(wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.lft m0u zx6d be*2jq7650), 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(hkcj8oz m 4n6kqc98r (wavelength = 590 nm), originally traveling in air, enters a piecez 8(h98kcr4ncom6q kj of glass (index 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 for light spl wy1: n+y-rmureading as it passes through a narrow slitmlrnu +- :wy1y?

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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, whereasl i9pcge,m /kivt.3g z4(yb 0v light is not noticept3ig ygvlbmz4/(v ie.0k ,9c ably 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 light and dark mhdai; o6f0(n bands when light passes through two ormdn;i(h0 6oaf 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 mr r40 :pp swatnb7/f3said 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 o il1uc6lhs;4screen are in phase with eaul ol s1;hci46ch other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paxosh 14cy(heg82*tpeop-g x- ths arriving at point P. If the maximum const*co xyps o(1x-2-4tphee h 8ggructive 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 pzm.dzs5) zc5dz fx :)yaths arriving at point P. If the maximum destructive interference is to occur at point P, the two beams cs zx)5yzm:zfzd.5 d )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 cen2g p++rzplkz7n*q/oatral bright spot in a double-slit experiment, /zl 2 apk7or+*ngq pz+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 sp6ocp.dk*)n oj ot in a double-slit experimcn6d p.j ok*o)ent, 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 bright spot in a doublegls fzg6 l/s0)-slit experiment lzsg)g l60fs/, 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 decreasa+h( cwxti68*uzub6oes, wha(x b6 zu*8wu+citah o6t happens 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 experiment, it is observed that the dista 6lqirnxn1465 d e1yjqnce between adjacent maxima on a remote screen is 1.0 cm. What happens to t14d1l5qx ej r6iynnq6he 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 travelm hjiq)rz)gr3z4jyuu ; 6 8u3gs 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 experimentvr - )(m7xzmbb arrives at a point on the screen one-half wavelength behiz r7x mv)b-bm(nd 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 fringmp0 pv,o-luror (j qe42dzl,*es in a double-slit experiment,j*l4u o,oz-e rrp 0(vmpldq2 if the separation of the slits 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 doi 70a 80x9crx asmyw3g poxj ch pc62l0/dln);uble-slit interference pattern using monochromatic light is 7c ;cijda0 pl9)sl hc6pr0mgwx28 x0n yo/3xa

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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 white light into )(fi) -ghhrkj e6w4 df5s a;yn xj5u;vdifferent colors i;;e5 4( )5jrjhf)-whn uid k ygxafvs6s

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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 foln .a5s q3b s6he) npnl f4usr5fz7t.;rm 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 4:, itr nw v 8rc19m7o2 vs9froh+ttw*h00 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 nm is c; ccoa067iyzkd--lw lalled

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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 5a npbef 6j *0i-(ekodgreatest refraction when passing from air to p5ieona 0 *- 6bjd(kfeglass?

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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 fee5bl7x :a8yh rom air to glass?l5xeyh a:be87

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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 e wcb 0/wtz4d7h ;(zgtq m.u1:pxhq )qglass plate with parallel sides, at an angw)h( p:dq0 /bqeqcz4wmzh.xt ;ug7t 1le between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds uquu5*wa)td 11ryr k,h /cag(xp two fingers, with a very small gap between them, and looks at the light source, she willygrh/uat1ua 15 q ,cd *x(w)rk 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 ofew d6)ho (wfxwl-+zx4 the slit increases, what happens to the width(- 6zxwh)dw +fe 4xwol of the central 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 lines per cm and the oth)um n3l.fdpwp-* kn)ver one has 6000 lines per cm. Make a d) m 3.vpwu*- nfnlk)pstatement 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 grat;)osyta hurpw;efnp+ t ; 8c)4ings with the 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 thcsao8+4;thtp ny)u;;w)ep rf e 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 by reflectz- .q5lkmss-:lvhg upg i1;(cion 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 )vuf/2 og7wp+vb 7fapmonochromatic light waves can interfere constructively or destructively, depending on their phase difference. On7o fwv /p7+b2)gafupv e 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 light9h4*vkw:t lca6 2eeeb ij*m6zc*aud., which is traveling in glass, strikes an air boundary, there d.6v:uea94*ktie 2jc*wmb z*e6haclis

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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 g,j *ehi*1zvxw lass surface, there vh,*x1ewj* zi 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 vjz*(. )2 vf ycgph:qhgery much thinner than the wavelength :cv2yh(.gq) *hpjf gzof 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 wavelength of light in magnesium fluoride, what is the minimum tk 9lsrhrje 28qc.7d;j l)k *wmhickness of magnesium fluoride coating that must be applied to a glass lens to make it non-refl c)28.7krm* lrejjkw9 hqs;ldecting 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/hrgxr(i,g lf3 8 cr/lnyqxf i*c7 )8y a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. (c/hycr3)nl, rq8r/g i*xfi7xfylg8 What 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 for the fact that certain sungnj w: ci9p:6rdleso *)zm d1/llasses can reduce glare from reflected surfaces? 9sl)p:i 6r1 ddmz*ejwoncl/ :

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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 direcxfjbp, y 1*k78q 5fxpftion of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic .glp.;s7qk5d +w kc /bc)jy,s4ldyhn s,4y rpmaterial like a Polaroid fn.ry d, ;qkj+5bpcwksdl44c y.y/gs7 hs),plilm?

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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 ofem7b 7u(k 8emsraurhx5*;jp)e8vf h1 two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the tw(hf k8rmb57eu ev)j xr8p;71hms* ueao films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected froyl.b ii/9)s fjm the surface 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 sunl. /u,wcq (rralight 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 follodw ;d on7 biy+-nfh98pwing 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 tcv 3um9vmfy/fw 1 r9 9hd0-iwboward the zenith (overhead) than it does toward the horizon. This occurs becauwbmf vr-iw99dum9/03hv 1 fycse

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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 pakv/ms6/df p grb(4 ot5sses into glass, which has an i 5of (6tgvrdb 4/k/spmndex of refraction 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 6im4 r* fjap i12k 65an7(;(-yvwns qprkjvlwin a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the 6nvy1i-r f4n 6i*kqjrsp v (2(j7awal;kp5wm 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 rwbfhrr 04;as 1 n.knl+j3x,k2b8 oybof 600 nm in a vacuum. It passes into glass, which has an indexfyx,hrk+n w.jrrbnksblb0; 81 2a o3 4 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 fou f0f z;ebp 40pv-k1w9e(3 wnxk fhe+gwnd 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 tg3+e bsf1oa -jjp y.d0jv74o oravel 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 akypn49v * 1reto 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 apartb-pauw q +53e*dpqd .ujb2sbg*(q -wo. Monochromatic light falls on these slits, and produces a fifth order inwq bd a3j quwbuq **2.g--bd(sp o+p5eterference 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 an.kl yr9/ifx+usnxgl(f 5 794dma ja(fz yk, ,hd the third order bright fringe is if4xlx 79 yk,z( 9am jg .nfsard u5(h/klfy+,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, if2;zr) d k9*g0pg4r nnc uy/bwv the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spac v49)z db knw*p;unggryr2/0cing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two wavelencjj8jq34 9j q qq,ff+rgths, 7f+qcr f3j q,jq9j 4j8q50 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 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 .li6dm /mxk5r+yz7vh /rb0ql falls on the slits. If there is a screen 6.0 m awa/ m0l vr5zqxd7.h lmkbr6y/i+y, 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 double slit setup that hae/ lokx/rufo xb7;4 6gs 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 bb exf4 l;6 r/uoog/7xketween 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 containil0uio:e86o eo .fy.qs ng two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the i0e6.f ou y oqol8e.:sglass 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 l +eohmbtq:2c c /01uu-x1 mli(wavelength 480 nm) and red light (wavelength 670 nm) is incident on a hlb:0um-m121l +uei /oc c xtqthick 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 singkdnirf :p i (:x23vyz-le slit of width 0.20 mm. What is the angular width of the centr(vk- y:dzpi r f:xn2i3al 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 r sf j-do63r9iilluminated by light of 550 nm wavelenjdro39ifr -6s gth. What is the angular separation 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 single slit 0.75 mm m0le:aluo- lix zxvo2,k3fr;5 x0v3 ewide. At what distance from the slit should a screen be placed if the second dark fringe in the diffractiox5llf -2v0,3raxim x eou:;ve 0k3zoln 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 sl ks0 j)ugh+oiku2y14lit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. W12 gky0oi uj s+k)uhl4hat 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 /,waq;pb w k-6:v/po5xj miob580 nm is incident on a slit of width 0.300 mm. An observing sc ; p6vp/5ob,:/bo-qmxijw kawreen is placed 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 0.300 mm. py st18u6 ;dpgov;y g3u 3e0snAn observing screen is placed 2.00 m from the slit. Find the width of the central maximumpuy8d31e6tvn;p; g30ogs ysu.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its secod nk- gpd w-)j(i/d(uynd ordeudp(k--gd( y n/dwji )r 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 cm. The an7tv2h lzzzo- /gle between the central maximum and z-7vt/z l2zho 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 inp)wv2l:w3t2t ijeno97pi ; sncident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-orde vp7jl2ni n2o):e9i;3s twwtpr 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 experim xmcbd+g-4 gdyrv y,7m.4lu 6xo1hi x6ent, light 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 maximumxy u,d g6+lxmb4rc4y .x 7gvmh16doi- 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 la4 34s2c9xc fs,brmvv b0 3bsqines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating ax q,s9rm4b3v vc 2s0bc 3sf4bis 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 sprea;fs mea0h7 i*08 friikd out 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 first ork8f;e sai *f 7iirhm00der?

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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 thx,9-iq;azdvn7qbh fh c7c;tc a4;lz; e first-order maximu; c7vafc a4il9bh;;zq h, dc7nz-;q xtm occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. Ifmqlta7g(+pi87vl9gk the third-order maximum of the diffraction pattern is observ m7(9qlik pa+8 7tlgvged 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. If ep ew4g r1hl 49(9kuqkthe third-order maximum of the diffraction pattern is observed weh4e ukpk(glr491 9qat $32.0^{\circ}$, 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 im5i7pfb4 yzas o13b01 z9;dzhbhvl-glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjace b4 i9;h zhp-5 1si abzzdlv173f0mboynt 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 minimum thickness of ths;t0 fjy4y4vpkx) d51 ak w6u3jns ;ucis bubble will ensure maximum reflectance of normally incident 530 nm wavelength li4pu3ynx5f1j;ukd6ktyw0cs) j v;as 4ght?

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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). What is the p/6k+t5jbnm ,x xya-g minimum thic+bx/yta-m6n p5xk g,jkness of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n = 1.30) o6l08i d lnq5+hu5szkm8wz. k nn a glass lens (n = 1.50) for waveleng5+ 8nlqhw5zk. s0imzu 68kndlth 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 pl6du; klx099 gok0 wmibaced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second idg mbwk0olx9 0;u i9k6deal polarizer is placed in the beam 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 dy (y, kbqtx)gt4 p 8(08krqztpreferred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piecezpo5bgy/a g++ of glass at an angle of pbga+zg+o / y5$57.3^{\circ}$. 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 polariz p*6g9op+oxda3dy h-mer-analyzer combination. The transmission axes of the polarizer and the analyzer a9* od pg dxho6+yamp-3re 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 iny aej:l0) ooc 4ukj.*jaylyo;hb) *tcz7m56 y calm water is completely l; )5:uy y0j6tha.c kj7)4yzb oeolc *jyam*opolarized?

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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 proces zje)/*i)rh5 gshd* ass, the intensity of the light transmitted is reduced to 10% of the intens5ah sse/g* )z rjdih*)ity 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 reflnu7pk:z w0 kz6ecting off a piece of glas60nz7 u k:wzpks of index of refraction 1.48?

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