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习题练习：Physics Unit24: Wave Nature of Light
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 作者: admin  发布日期: 2022-08-28 11:19    总分: 91分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's principle.y exw,:+jy ov.h5i/pax - 8fry
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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 statemenvhfg u5h z2nb,/tw 7u9)q(hg-huv* zk t?

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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 attkr ir-01wfn6n ributed 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 touv+;o9cnz:f.j a7c ol

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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 u,xk *t m,rpq:i4hq k, q1-a7w+cg lzomedium 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), ormx f 8a s*y0.c2(lwnh+ 9wwqsyiginally traveling in air, enters a piece of glass (index of refr9h 8mq ww.c0aw +*fy 2(syxlnsaction 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), origina rpo t61tav91zwa-;z.bfqzs/lly traveling in air, enters a piece of glass (index of rtqo t p9s.-bzv/r1a6z;af 1 wzefraction 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 responsiblh cl()-2g (rwr w;4qcsj :ddwne for light spreading as it passes through a narrow slir (:2wc dg4;dcwh)l(jsr-w nqt?

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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, wher+6p:*ef/ o 1te (j3e 6jdgaterjw1d lseas light is not noticeably diffr3t+jrod we (de l6j*6fa:/ epej11stgacted. 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 alternatinm;p6i ff;ft w):lnvd (g light and dark bands when light passes through two or more narrow;p mdinvf )tf:l( f6w; 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*pq.v eat+ rh-t 2zx30nf:fvn,jypa0 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 t/xlzd uag+ hjg2y3 37shat two light rays striking a screen are in phase with each odx/sjauy g73+zhl3 g2 ther?

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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 differ7sb,3owjds( 4z :svttent paths arriving at point P. If the maximum constructive interference is to occur at poi( d s7tsvj4tw,3bsz :ont 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 dixfy8gp 2 gmh26fferent paths arriving at point P. If the maximum destructive inpg2mg y6x8f2 hterference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either o3rg8 m;9smhznd *f+xside of the central bright spot in a double-slit experi; 98 3dngomrfsmhxz+* ment, 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-slit ehwfegfl76.. c6owgy *vru 6 b+xperiment, luf hlwe.g666g 7cbw of.yv+r *ight 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 brl c1v z.um5dbkg-vgpk 2c5c7 *ight spot in a double-slit experiment, livz gc2c*u 5m17c gp5.lv-bkdkght 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 slitto6p w;bmkr+v00*v4qd lj;:d , ihkcys decreases, kdivv: lcp,w 6o 4*yjdrqh; 0;tbmk+ 0what 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 distance between nsv 4nlbmox.(.m)ty* z-k e,fadjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in*o-4.ke(x ,mzvfymnn . ls)tb 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+z0m fyofmma;61 c,+ ihhub;d light travels 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 expe;srm)1c. wvjy riment arrives at a point on the screen one-half wavelength bjv c;w s.ymr)1ehind 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 in:iazzr s )q64eterference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lightasqr izze)4: 6 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 j9xm3g(5mxmv *lw u, iadjacent maxima in a double-slit interference pattern using monochromati3 um*m,ljw9(vmg x5ixc 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 separaten 9k2 ul:. mp+gbrav+ts white light into different colors :gbka+r9 l+ v2mnt.puis

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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:9ian9a-ckpajdb/pbk)e h-7qe:d +wl p 19sf a rainbow 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 y z5t3cm6tlu/ )tb6ccis 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 longe b: ibg+zeag(,+5r vpxr 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 lightirhdao3iu15g ,zns /9 undergoes the greatest refraction when passing from air to glaso,igi59d/r1nauz3 h ss?

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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 und+ 7,bl-gzzqmynx8q.91h c f lopny2c9ergoes the smallest refraction when passing from air to glx 89znnzq7y,9. 1 +hc2fclpbyogm-qlass?

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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 thick59x, gcf2 ai4rn)lo +muphu-ix;xp c) glass plate with parallel sides, at an angle bxlai)4;f, pxgcu)m9xu p c-r h2 oin5+etween $0^{\circ}$ 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 finvc- (prsin.qp-1o3l7wq cq f :gers, with a very small gap between them, an1: po cvsln c-qrq -iqf37p.(wd looks at 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 diffractpf/ et un5-p2xrwfu9(ion experiment, if the width of the slit increases, what happens to the width of the c52unp uwf x9/(rft-peentral 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; onekfz( bl,fo,b-d7: -grwx1fifa 6f nh* has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of h:f*6f(bbr,lfnz7da-, k fw xo1 ig f-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 .g(ze6q 7h q)sd uu2kjgratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. Iu2)6 s keuq7. d(qjzhgf 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 cl ijv liv9h +/- ra53()edfwypaused 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 construcn:qdo8: khewt:)zx em r6 3j8mtively or destructively, depending on their phase ox 8wz8k3qd tnre)j: mm:eh6 :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 travel2p-ae90sbxzh0f.r gsz 5vie)ing in glass, strikes an air boundary, ther-gepz 20z95esh .)rvbxa0fsie 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 airwntprf2 v+dxb a; o:o2il0ax)(ei11s , is reflected by a glass surface,+ elw2pxn0 vaa otb) rfd;sxii 1(:o21 there 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 o72 2yjk: mzdnwhite light. As the film becomes very much thinner than the wavelengtho27y2kmzn :d j of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in mar :/zypaexd*0m85vafal:0sl ta/5 kc gnesium 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 magnesiupla: 8fk 00my/t: x/ a5decasvr5z*a lm 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 glndnxs (* +8a;f bk9xxlass plate and illuminated from above with monochromatic red light. When vix;(9dalx f+*x 8 nsbknewed from above, concentric bands of red and dark are observed. 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 th 4f j6k(j c5o)jropk(nat certain sunglasses can reduce glare from reflected surfaces?poj(jo5k kc j64f (r)n

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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 polariz,u)qt. 7ozhx j7cz / oito/u1iation 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 obtai1 p; sootl4fm7usag 6ow(0t g9n polarized light in a dichroic material like a Polaroid fi( gg1auo oom40 6;l 7fsttpsw9lm?

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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 Polw9n3+7,itvn4wyvbmepa/ neg6udw 3 8 aroid films are perpendicular to each other, what is the percentage of the incideuae7+i3,vp6 dt y wn8g4v3nmw/eb wn 9nt 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 the6z ejhuja )x,- gon**t 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 sunlight isu.j-rjk6aes)dk/e twn ; w-v+ 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 following is diffraction 5- fdkllzu1 c6 sd9+mvNOT 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 (overhd l uxn-3 (yq)lxnwh01ead) than it does toward the horizon. This occurs beca ndw1n0-h )x( u3qxlyluse

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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 n a6he64x22; bwx,m pclibv+dt m in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the lig;pa2xvxe6 lw,dc6 + mbth i2b4ht 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, .e. 7gqchs4fe which has an index of refraction of 1.50. What is the frequency of the light inside the g hc4s.e gf.7qelass?

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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(haf pc:.6wub a vacuum. It passes into glass, which has an index of ab pc h6w:uf.(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 vacuumfxck7 r: t;a-i 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 tr6kj k(k5q0 lakavel 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 f6-o fe w5d-3xlf*l.s x6vtd4.ep zoxdound 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 6.0xwv20-1rws2 dxh pzf;0 mm apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe a x-x dwp0h1v 2;w2fsrzt 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 andcx c ayw -72);gcjlp;/ 6ltwnc the third order bright fringe is seen at an anwpy c /cg6)nlt 7; ;2cwac-jlxgle 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 ae: )bsgvakgf;(m l() ,f,ptcseparation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first- :aml( kc g);v fbptag,,f)es(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 experq;bwz8n 0x4v,8a.uzzfa kax 5 iment, 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 distance from the central maximum on the screen will a bright fringe8vafz;a.qnb84xxa, z w 0kzu5 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 wave-k8evngvr9x 9mo.l /m 1ry0xrlength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?x0r91rm v/-ovkn8gm 9. eyx lr

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light1.kzv;:a gzkn+ jsbn5 is incident on a Young's double 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 separ .+avk:;zg1bz nks5jnation 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 twoepbp7xzfcfzx31,2 (t wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refrac f3 z fp17,xxtpczb2e(tion 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 m12 quf3raqc v60dry (light (wavelength 480 nm) and red light (waveleudmyr3v62( afq0c1 rq ngth 670 nm) 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 0.20 mm. What is the angula; 1/x5ygx dkdogc 7r-lr width of the central diffrac ;c5l- /rkgxy7o xdg1dtion 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 on6 x (nlv e,0.pq/*gv/vatvpk f 550 nm wavelength. What is the angular separation between the first two evak/p nv0n* vx (, /6tplv.gqminima 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 sli79.dwhefg g xg*e) 6lw- 2xnxot 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to bexxlhg6we2) -nx*fo.dw g 79g e 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 6y7n k+hq5 yy:e10 nm is incident 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 i7hnyyk5+e qy: s 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 incidenjogbk. wl8-+s t 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 from the center of the screen gl.-b+ws8 okj.

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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 owu2 uvo* w*y1bm ipd()1-naew f width 0.300 mm. An observing screen is placed wo*-vbe) wadu 2iy(1upn1 *wm 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates dnv*df xe31gc+l 65pcla wy;2a grating with 7000 lines per centimeter, its second order maximum e p cl+*w;5y3 fav 2nldg16xcdis 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 perep 4nwxej9u .z0c)3sb cm. The angle between the central maxim)ex. e 4njpzcbsu9w 03um 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 anr4sg)s9a h(np d ruled with 50,000 lines. The second-order maximum 9 pgh(r4snas)is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength produces a first-order m8ve5cfq)ecy o:ma1 * haahey1v :oqe 5f*mc )c8ximum 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 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 it. Wgyfp 0 5a0mcsd)v h:wjw)k: o3hat is the angular separation between the second and the third orders on the same side odc 50hmp)ys jf:v:ok3)aw0gwf the central order when the grating 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 ow : n*ag f/h1m)-xs8ksgn 5pefut 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 orsw*/mgan5sn:kpg-h8 ef1 fx ) 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 tgqg;qh)mz )dj/y 15m qhe first-order maxiqz;gjyq))1 md/qh gm 5mum 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 gratiol pk38hk-vs6ng. If the third-order 8l6hs 3ov-kk pmaximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a gratin 6plo/ p71zdg ibg-+jwg. If the third-or+67j-olg1b idwp g p/zder maximum 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/b(sw2 l3iuxw glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with lig2 wwb/ lxis(3uht 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- wc*x dyuf8*1gr 5nel of refraction of 1.33. What minimum thickness of this bubble willr**ecfngd yxl58- 1wu ensure maximum reflectance of normally 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 f*c/2 0zewurqkwttj: 8ilm ( n = 1.33). What is the minimum thickness of film that will give an interfer0tew*z j:/rt2 qc8wku ence 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 thickj.5e0 kwwuck7h8mf t*:od o:ft7 +gf iness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengtwkohte* 8f7:7 +d.i j5uc mfgt 0:wokfh 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 +dwasras csv 2t)19)ebeam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed ics1)a2 s)t9vased+wr n 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 preferred diu4jya i 5l3vx4rection 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 piece of glas sxg 3)s3l*bl9ru3cf hs at an angle of 33l3x uhsb9lrf c)gs* $57.3^{\circ}$. 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. The tra z,b wk4o; sovvc3y5+tnsmission axes o tk5y vob wvo;34,cz+sf 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 Moon when its image refz4)cwz)-z ziaa 1n)uolected in calm water is complo -)nz)w14)zzaizca u etely 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 polari9. yquwebko c*m450 wzzer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incidwo*k 9q0w .e5z4ybmcuent 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 vacuunw /nt4 utur4 xq)4u*vm and reflecting off a piece of glass of index of refru4tunv/u*x )t nqw4 r4action 1.48?

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