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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 principl7c93mmi bkh:z e.
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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 fal*vco (p/p tlkd 45*acdhfe06lse 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 attributed i+ m)ornr1 uk1to

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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 attribv-7ohpfs yts /9iua2* uted 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 ent4i*eb k9o-epyers into a medium 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), originally traveling in air, enqhp48m8w ytb8 ters a piec wh8y pq88tm4be of 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, entersf7z wm,9e)-57 sesfmaruj7 hh a pi) 77jfs eh mwe7r,uzm-f9 5shaece 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 spreadvde xb+*j*ya 2;pal0 xing as it passes through a narrow slia+yd xv;aej*b2pl0* xt?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffractmu/3 )dqy3rz ged by large objects such as buildings, whereas light is not noticeably diffracted.u m3yqz/3gd) r 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 d1 l)abtttrh *ncg6 6-kark bands when light pasth1*a6g6n-lt k c rt)bses through two or 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 said to be co1*d,zp m ildwx:nlem- w 5xv4)herent 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 sc 46g l l4npj;hyhuw1c;reen are in phase with each o1 hhyncuwjl;4pl ;64gther?

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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. If f u/6s,jpyc, 9ljsvz1the maximum constructive interference is to occur at point P, the two befz vj,c y/6p su1s,j9lams 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 at point qhoyf5 yys : -3u,6sz+bqgh7e; hkzv* P. If the maximum destructi+y q7zse; f qhg6bk,3v-hs hy*5yo:zuve interference 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 eg84/-ezmkhn side of the central bright spot in a double-slit experiment, light from each opemkzg4h-n/8e ening 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 b ro,eh2 m5gwf ,;*jaudouble-slit experiment, light from each opewoeua 5,h,;2fg mb j*rning 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*m h4ansjvm h hc7j9q km6,u13uo0a 0 bjwf6k+ either side of the central bright spot in a double-slit experiment, light fro+qh3 bjow jf mh6k h u0m6n4a19cma7v,suk*j0m

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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 d qyo,; c-nl5ikecreases, what happens to the distance between the interferencl y;k-5q ,ionce 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 experimen42oe ,q td0idzt, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjadzd ,iq2t0eo4cent 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 tra up tfve:t8/ psh1:,rivels 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 ex0)swg g9 .dlurperiment arrives at a point on the scudr9l.swg )g0 reen one-half wavelength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes inx g2prqqc9 0cx3no .i; a double-slit experiment if the separation of the slits is less than the wavelrpog qx.2x;cq 9 icn03ength 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 interferfv//a- ga 5anrp,w rj0ence pattern using monocw/aajf a0n-g/, rr5vphromatic 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 z ,qgj sl82 8u05djbgz.q *dho,mrf5sseparates white light into different colors20jq .d88 gsjorudzf, lz,hqsm55*bg 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 rains ir- ++z gpkas59yk7nbow 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 is calle q9/q,ojy6x rl.;gjto d

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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 d v/vhl dgdb6o+**(wtlonger than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest mu4i3r n*f gv)refraction when passing from air to unfi g)r*4mv3 glass?

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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 air to :o 7sokjlhtx 4 r3 n*34bc(a/df6iwlsglassa:ow kn3jxld(73s4/* l6oh 4rcf isbt?

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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 with paralnfp -dy.)qz0 lfhx0dv;-i(u z lel sides, at an angle 0ffd .uq0 zvh;(z) ld--yixnpbetween $0^{\circ}$ 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 puve5-b(5 m3 tz4cmlo be7w)ivery distant light source. If she now holds up two fingers, withc 3p 4o5zlb m7t)bweme5-i(vu a very small gap between them, and 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 diffra+bm 391fef4xakitpyad37 h3k ction experiment, if the width of the slit increases, what happens to the width of the41+7k39 a3fmpftdaxye b hik3 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 grati7y uyex8s- d7fngs; one has 4000 lines per cm and the other one has 6000 lines syxe7fy-8du7 per 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 w)v0)ee*a 5wytmtjo ;gratings with the same slit separation, the only difference being that 5te; ))wy v*wjm0ateoone 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 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 caused by reflection a,p7dx8evzh 4k nd

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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 constructively +qv*f *zqqpc/or deqqpqfc*+ */ vzstructively, depending 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, whichw4*0brpaerbr /u3s kdc2 ;k pf: 7 v4z)bvypx2 is traveling in glass, strikes an air boundary, therevc brrrpbbs)4yp:7 wauk /z24;*fe0d xk2 pv3 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 trave3n1b ra 81(3sszi1tx2blhn ieling in air, is reflected by a glass surface, 1 bs8n1azne21ls33t r(hib ixthere 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 very much4psj1z3jn )fuw6ccuf q10ts o3y,kw4 thinner tho0s 3ujcf p3kwsn)cz6wt1 y,4uq 1fj4an the wavelength 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 magnesium fluoride, whgcf3/yn 3(ozsat is the minimum thicknos/3z 3yg (cnfess 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 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 glasw g+c07hsmq )du:n*a cs 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 where the lens and the glass plate are in direct contactmw7 q+s*d:0ccug hna) ?

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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 sunglasses can r*9 v(nc*;z pt /h,olt 4dhubhbeduce glar/clhnz t;*o bthp,vd9 ( ub4h*e from 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 defzbz nux57h8 x nn8 nev:6i;4xzined 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 tobq06mm4avj,l,r : fkm obtain polarized light in a dichroic material like a Polaroid film?vkm:bm, lj f46qm ra,0

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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 p*g 4lhg48cbmto each other, what is the percentage of the incident light which will passpl8cb 4*mhg g4 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 pp 8b;xt v* cx;,u vwbr4v0m*nthe 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 is greate+ vgss0wc -2z lgvv3 fa+ldm2v*(va. cst 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 diffgvlsm*d8ez ra/: mc 72raction 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 vx 69(ihk65t;ygq pvzyaz+.;a2 )puc; p eswb more blue toward the zenith (overhead) than it does toward the horizon.izty eps;pa5p)y qvg;+2wz 9ab . 6k 6;(xhuvc 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. f tu 981zatns5 It passes into glass, which has an index of refraction of 1.50. What is the wa1 u9tatn5f8 zsvelength 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 inta r,q/c pn(i:to glass, which has an index of refraction of 1.50. What is the frequency of theirpnqc ,ta/:( 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 wavelengt9 q/k: jo-qcm; jd9wjwh of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the ligqojjmk -jqw9c9w;: d /ht 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 trave*higdjv1 s*r.4 k9 uxsl 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 ttq,+ h8 d2f na76jboxi6y t+krravel 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 wcngyn vq72v q7a/5 r/air 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 these *t0n**ehgag dslits, and produces a fifth orde*ae dn0h **ggtr interference 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 5 r8xlx48q4 0yrd 0c *ljvwxa6 xn/v)o5hmla-y75 nm falls on a double-slit and the third order bright fringe is see4c j0vrd/lxxxymr 58-l840l)a6 vnqhowxa *y n 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 separatio4 9sq1o je5 fd-vfzvho7 ow0z1n between the two slits is 0.050 mm and the diszo1hfzo e79 qov fj -5vw01sd4tance 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 experime(/ 4t pa)7 v6fxgmnwbvnt, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the smgba v4w 6p7)(fv/ nxtlits. 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. Monochromasb5f51c)kspz tic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent sbps1 )zk5fc 5interference 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 doub(qqal ar8.p8zb or*w8le slit setup that has a slit separation of 30.0 mm. The resultant bright .wbrz88rq8oaq l*a( pfringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam contaj*ynlfdl85: *ryow1ue b9 i9qining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index 1 uil *9ybjn d85wroeq9lf :*yof refraction 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 light4 a sp n3 e0r)xoa3v;shzs.ot* (wavelength 480 nm) and red light (wavelength 670 nm) is incidenz .searp)xah to s4*03o;3vsn t 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 fallsuem4 l2ovc3,zvv t b+-w fk*uw+).nzu on a single slit of width 0.20 mm. What is the angular wio.wv)ume -n2 kvu*+fbuzcl,3v wt4z +dth of the central 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 uqqoair ) e)u;72(toois 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on eiquoqo r7t ao) )2i;(uether 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 /tz;+y)tx;( pih 5vw) trapwl 0.75 mm wide. At what distance from the slitzr; a5p(;x)t+wvpil)y wtth/ should a 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 onrx 301u(o yz8s uge,ik a slit 0.20 mm wide and the diffraction patt3xe8r(o,sui0 1gz y kuern is produced on a screen that 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 observinn3nhf:ka, nh -kq4pn4g screen is placed 2.00 m from the slit. Find the position of the fnkn ,3 qhn:n4-4hka pfirst 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 8h)(e)m e 2th)l*k+go nx katatn+;hkmm. An observing screen is placed 2.00 m from the slit.t 2*n)l)ke +h)t +n8x(gm a ;kathhoek 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 a grating with 7000 lin1un6ckrch 2t sdkr* 0 f38t.t;afcs/des per centimeter, its second order maximum is atdkntrstc0 ; dhc2 rtu8k3f./ s6*1cfa $62.4^{\circ}$. 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 linesdb: tn39qt*ke v5x v2s per cm. The angle between the central maximum and the fourth order tqe:k59dv2ntsxvb3 * 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 1q.s ,pee3c.wnrs n-.;q wvrgj7ud1 bon a grating that is 75 mm wide and ruled with 50,000 lines. The secos e ,rnv7.sr1dc wj;.pq- 1uqgb.enw3 nd-order 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, light of 600 jd6mn765jtc ( v .3 lgfv3-oakhmes-ynm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second 6-3nve5.c (t fmjm-y dh 76 oklasvjg3monochromatic 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 ,tvh-++m afm68ywc 8o9lz s zgruled on it. What is the angular separation between the second and the third orders on the same side of the central or6hzzt+vsm8-f8 +yml cog,9aw der 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 out into spectrlog .2c-i ixc2 py.j3bal hues by a grating. If the grating has 200l.xp2c2 3ijy-i cob g.0 lines per centimeter, at what angle will red light (640 nm) appear in the 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 calibrate a grating. If the p.4r 1 3ghp3bt m2xf e1gkxm*wk.bzt0 first-order maximum occurs at33zkmw. xpx241kb.*pebtfg tg1h m r0 $20.5^{\circ}$, 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. y2045esy)4s wonjjd3arv a0m If the third-order s50mad3j44osv2nyj )0ey w ramaximum 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 normal /eey,2ddb/ezyyh* q3c8 p z1tly on a grating. If the third-order maximum of the diffraction pattern is observe h3/et2y1 d ezyp,ey8bq*/ zdcd 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 j8 / d(eh(gvuvat one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with lighh(/vg8(vdjue t 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 jqqphsp( 1:(k of refraction of 1.33. What minimum thickness of this s(1p: q hqk(jpbubble will 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 5ak+c (dl1fm)k4yt i ;w00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normal4t+k1ik)(lcf ; a wdymly 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 nonrefl fpvd/-jpozqzjtu6muj( 0clu);)l ;1 ecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavel;d uftpcpuv u) qjl )mj6jl1z0(-;/ozength 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 i:y+ft.y rf,iq-ebqdsob, 1 b* wkvf)(n a beam of unpolarized light and the intensity of the transmib:ti fe) s(y,yd*.vr- +wob, qfbfk q1tted light is 1. A second ideal 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 preferred di yt66rnvw1 ac /fdl r1)*ccag9rection 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 air4nc,c gfn90 ol5g 8pok strikes a flat piece of glass at an angle of k,fn p0o9ngo58cl 4gc$57.3^{\circ}$. 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 combinat ;rk7ydiofe* 6 k2ed.tion. The transmission axes of the p* fiyr;ekokd6d7t.2e olarizer 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 reflected in calmlqz +m-xr ql3w+j p,o4 water is completely polarized?-+o,wrl+ 3q qmplxjz4

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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 thqvpr/ xpvz6s-e3 wy g )c8*zl0rough a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduce vv/ eslz) -q3ywzprp8xg*c06d to 10% of 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 i(3bvqzr8: g; eyzz3ezlx 2 /tand reflecting off a piecevy le b:xet3zg8/3irz(2;zqz of glass of index of refraction 1.48?

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