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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 princt;6 l,vtx( s af.xt4gwiple.
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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 isaan23 0qw tel0 a false 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 t 8vew 7/)gby2zi dm)awo

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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 attribu2 ; ,bn aha8fk 4q4zjvi7r5fcnted 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 intoh:ir8x +wiq mq;nd)l tsa(hf ,1kk6u( 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),h h3 nl2f,v8;org;p mz originally traveling in air, enters a piece of glass (index of refraction 1.50), its f2z;hp;rng, vmo 8l h3frequency

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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, enteqovr5 xilizt,t1 5ow-f5 y-4 hrs a piece of glass (index of refraction 1.50), its 5,rlzvih-qo wtiy4 5ox t15-f 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 spreading as it pasc-cgys 06bz poz1w.*l. ( hlujses through a narrow slit1b0zhzcgo.l* 6(cwyj ulp . s-?

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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 bu/ho 1.- wq1vcvsq*r tvrzg* o6ildings, whereas light is not noticeably diffracted. Whyt*vq w z./-6 sqcvgr1 v*1roho 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 alternatist-1vr(mch jk72/r gw ng light and dark bands when light passes through two or more na cwsm/ rr-2tkv 7g1(jhrrow 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 coherent if paen5ktvjs,g:0b3* s 05ve mvbzw2x( 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 thatyapau:,5 ireo 7x1d8n two light rays striking a screen are in phase with each ot7:oai5 ey,1unp xdar8her?

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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 diffeb wzi9sg86l770y jtlw rent paths arriving at point P. If the maximum constructive intz6yw j78l0l97g t bwiserference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths a+ll2*nr :0llr,xvn l:bqdqo* rriving at point P. If the maximum destructive interferencedb rv ln*xqol l0 l:qln,+r2*: 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 side of the central bright sfv oxmnpr1w 4;m3s.l4a,)or m pot in a double-slit experiment, light; orvo mn, )314rfmsw apml.x4 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 si-s6fibs.v kb 0c;nf6ede of the central bright spot in a double-slit experiment, light fro;bv fs0.n esc6-6fk ibm 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 centrady3u)) n iz5604zgpg)erq xxdl bright spot in a double-slit experiment, q dx0x5gzy3drngu))e i)z6p 4 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 separatio;+atw 7n+ 2qzit.ty yin between the slits decreases, what happens to the distance between the interfeytaw+i+2t;zn qy 7i.t rence 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 tl*h f-m,g, sn/udly-n35mon yhe distance between adjacent maxima on a remote screen is 1.0 cm. What happe mo,u -yn-/3ysld 5,nfn*l mghns to the 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 travelixf* 6hu 7rv*q3i5n gos 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 experiment arrivu*n,p r;j5 tp 3r ai+yeacko(9es at a point on the screen one-half wavelength behind the wave from the other slit, which is obseray;kaeno,+ rup5ti(* pc 93rjved 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 inly ,7.pd4* (7xexenoli r,2r9gyrn pwterference fringes in a double-slit experiment if the separation of the slit xg,r,ey l9 7rrdneow.i7y2xln *4pp(s is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit inte:t)2 wm2qemma//mjh0lqztw- rference pattern using monochromati qwtjm:2q)zm m0mwa/-/le2h t c 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 white light intoabtwj v/.uqc)0bz +)u different colo))wu+vj tqz0a ub/.cb rs 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 rainbow to f vtvhm3)f0, cteoo80jorm 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 shorterj7sjo n+ raa,zqp l: 8zm08:rt than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longera-xsa36jgsp . 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 undd;y3xv zl 3a(dergoes the greatest refraction when passing from air to gla;l3xa( dvdyz3ss?

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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 tuqn0 b;(04q tjey.w gihe smallest refraction when passing from air to glassgj;nb (.e40yi0wq tqu?

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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 glazi ao ,r; x9qe(tuis+;ss plate with parallel sides, at an ar9e ;aszu(o,; i+qitxngle 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 up two d+l lb1*c v1;gzogz, ifingers, with a very small gap between them, and looks at the light source, she will seeozc g11,ib*l;+vgdz l

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increases, s4lxp j6 ozo ,wq004pfe:4ihzxvy 4 j7what happens to the width of the central maximszjxv 6 p,4j4pf4lxhi ooqy:zwe4700 um 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 , n lc+0dp .wnvqc(/nmother one has 6000 lines per cm. Make a stateme lwnvm,0 +(qpccdn/ n.nt 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 the same slit separationo lsvl 90xf, zyz /nx4:3ald*q, 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 stqx/*o x4ly 0z3nfal9 s,:lz vdatement 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 reh fj8aalpj5sf24bk: 0flection 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 +v*pmz7*:m55 avd(q ah fmahl interfere constructively or destructively, depending on their phase di(+q:v7pa5dhm* 5l m*vmfa zhafference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundaze7t;h).uvpcju o53ury, there is u;)z o7cp5huuet3.jv

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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 glass surfa;r 4av a4ew3drce, there dwa 4; avrre34is

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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 be -osu4 l z/s8rncxp.-lcomes very much thinner than the 8.p-loc4/rs-nu x s zlwavelength 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 m(dz i:uuu. dr/agnesium fluoride, what is the minimum thicknessu/ruiu :dd. (z 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 glass plate and il3 v 3ihs2czcmqiz60tse4u 8 ouqa9/by51a b -vluminated from above with monochromatic red light. Wuq c i84vtz361ueyaqob9sv0/sz3 ih5b-acm2 hen 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 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 responsix8,p6k:wcp(ayed b)8ej t*e dble for the fact that certain sunglasses can reduce glare from reflected surf( twbaee6dp:ky,xj 8d )e*cp 8aces?

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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 directiono8n6 xh 3ask;hsc3 v r84g9etz 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 dichrod0zo 3l,wh/if /dqc;5org s+oic material like a Polaroi/g3fwlci ;h,r+dooqszd5 o0/d film?

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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 perpendiculj+ukh/ 7i v8l kmxbo80hu1* elar to each other, what is the percentage of the incident light which wil0eol8h* l uu jh+/1vx78imk kbl 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 fro a1u9;e6 ynjrpm 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 sunlight is greatest a2mtex 40tyr8 nmbvh- ::agxyc1 x4z *vg( m2rmt

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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 followine gxao joh8n:8a5)d-og 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 mqt2ft* z.j11tk-lz wn ore blue toward the zenith (overhead) than it does toward thet-tlzn jw kf2.*tq 11z horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelengt)+,th-covgll h of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelengc)lt,go- vl+ hth 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 has an indjfa2ypun+)1 zw0fq+aex of refraction of2npjzwf+a fu 1qy+0a) 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacgymkew l76u4h *o4;oiuum. It passes into glass, which has an index of refracti; u h *w6liog74ekym4oon 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 7ssyh1+cz6 )vukk /kr nm in 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 isth3-3i 70pk*ju of8y1)ad qeu nq7el d found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is fouw5wa /nml p4sg ybbif;w.7 3bxj)/e/ ond 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 slits, a3 h4)8ouc w1mke.znki c3hb:u nd produces a fifth order interference fri 3ck8mw z3)bu1h: .ikcohu4n enge 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*ti4evamb4e6 s5m x,g-slit and the third order bright frinvetmas gbei* ,4 65x4mge is 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 separation between the two ax8n f4 h zi,ez(ub*27 *hy/egt cumu0slits is 0.050 mm and the distance from the slits to azg xc(b4 e7t*2emaf8uun * u/yh,zh 0i screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two wavelenuf peub 6u ex+,7y,py7gths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance y+fe u,7pxe,6p7yu bufrom 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 m o5kbx -uqof n8dtm* 9.3icen5m apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, howf8oc5.d-3*oi uenn bt9k qmx5 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 incip fro 5-nzpo2)b;r4 oident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant brighto frrp-;o z 5opnb)i42 fringe 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 containing two wavelen 1 gm1. r,s4j9ypqqjwmgths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the twowyr1msqm q4,19.gj jp 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 ofg8*8 b4qjxsk bglu zj5xmk9di;tw7gk 2cz 96* blue light (wavelength 480 nm) and red light (wavelength 670 nm) is i8 ;x79ku9 2w 564jjslkzgx tbcgk q8d*zb*mgincident 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 angular wi6o kg3 m4qpp9ydth o36p m4pqygo 9kf 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 is 04 *vua4 8cgal7 ;(in8bhzz:zg)7bungly;la c .050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular sepnlgg(4*lugybuzbica 7:a7) 8 ;za nv4zh8l;caration 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 pqm w + 4,)rxmftxqzh5jfg9m:on2(w)single slit 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 be 1.7 mm from the center nm5,m2q )w:xxotf(wgh9 q4)mj r z+pfof 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 mp/rhcya0 2 exbvm) m38m wide and the diffraction pattern is produced on a screen that is 1.5 m/8x3pvamhme0cby 2)r 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 lsa5i1tjhn5m( m (;meobserving screen is placed 2.00 m from the slit. Find the positio5n5t le1 mas(mi(hj;m n 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 nz nn *kumw+.;kmz:)v cm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find mcz k;: vum.)*kn+wznthe 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 lines ps 4a ;c+8muvjber centimeter, its second order maximum i +amuvsb4c;8j s 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 gratingmnf7+ l4sw,f;p6b vs y has 5000 lines per cm. The angle between the central maximum and the fourthw bn f;fmlsv p7s+y46, 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 gratingmr i + 8e5rdvz,qbh21kn9vn1m that is 75 mm wide and ruled with 50,000 lines. The seq8 9,+d1vinhr mbnk 21 ze5rmvcond-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 nm wavelength produces b10 xsu ow;4px6jqd 5ga 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 dp;wg1xx06j b4s5 oqupasses 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 3ah:halvwv qvw9 7 (ibz-0 82xszvas-lines 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 is illuminated with a beam 7v8l(s:- zwahzb wv vhav-s92a0q x3i 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 intoz,cj s,cg.a g4 spectral hues by a grating. If the grating has 2000 lines per ceng jz,ags.cc ,4timeter, 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 first-orded2,y+k jgrm:b3) nwfk r maximugyjbkn : +d3f ,2)mwrkm 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 in4/ y axz srgm czzmi4q()5c-6rcident normally on a grating. If the third-om( /zyzzc 5 4ga6cqsir) 4xmr-rder maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incid c1/6zshj(f zplu8rn ojmr*i81a ps/7ent normally on a grating. If the thjrp81oriu */lf8s 7a/szpch1m(n 6zjird-order 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 gljx 3w;t2/b9/q0y-bu vd ap,uxgtxn c4ass 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 light of wavelengtwvj 2/qdxbngb,4u 0uaxt- 9;x/y3pc th 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 refraczldcs(-z q 9)stddn :+tion of 1.33. What minimum thickness of thisd c:szd)+qsz(ld- tn9 bubble 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 500 nm illuminates a soap film ( n = 1.3h /h z8, /b8malovtu:lqer8n36 +rc xhhu5 le-3). What is the minimum thickness of film that will give an interference when the light is incident normally ll8 hmhontrzh3: vb+h,a 8qr le x/uu/e5-86con 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) on a g//qbymn8y-ax6g yquem /ll9- lay/b a6e-qxn-ug l8 /q 9/ylmymss lens (n = 1.50) 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 ofymzj),l: n*t 7mh8l/2z e gtgf unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed i)2/ghl : t8lnejt y7f,gzm*z mn 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 it/fc;:kro dxt7s preferred 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 flay1 chb;4igy*8hmhpj*i j(y) ft piece of glass at an angle of h) *f8i cyhy1ybgjm4 h;*jp( i$57.3^{\circ}$. 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 paoa.bpc68y +: jfv 6p(fo(ox3 ltex+vy+ kle*ossed through a polarizer-analyzer combination. The transmission axes ooo++bxa3l:l tfo e .x*jv (oypc yfv+p k(e668f 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 imagt)k4x8w mh q)ie reflected in calm water is comw)h8 ix)m4tkq pletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and,wsqn7 s0 ,ufc then an analyzer. In this process, the intensity of the light transmitted ns0 q, f,c7swuis reduced 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 and reflecting off a n*0gh1ww ,/ hyd1dilsp sgh1n*hi,wl/ d y01dwiece of glass of index of refraction 1.48?

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