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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 princip xap lh8bskz90 p7yy2*o3( plvle.
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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 statn7sf (7da0 lulement?

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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 attrcitcz29ma p : h:ag0wlq- jmp+1+vnh3 ibuted 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 attao 8ee bjwu*i383nt(geqf1ix7 j /r0nributed 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 diffe(/xxo: j2fbdw:jl 1r)poohd .rent 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), origi+;; c dnn2jopgnally traveling in air, enters a piece of glass (ipon n ;jd2;g+cndex 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 tral tixnr47,bx5-ld/ jgveling in air, enters a piece of glass (indexibg7 xl4 ,td/nxj-5rl 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 respon8ivd5ffoew*pc*h4zbz)r *+yij r7 u, sible for light spreading as it passes through a narrow sli*pfdi8ev r),i+*y wj u7ohfz4c5 zb*rt?

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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, whereas light isg.4yhqjjtk *66d ev 7m not6qktjge v. mj 46yh*d7 noticeably 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 alternatigzb v(fzp2mcl5ed96g t 9l;5d ng light and dark bands when light passes through two or more narrow slits5dcg5zdgtlzev29(m6 9 pl ;bf?

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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 z)s zrqh7d4v+ 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 rayagxh,4 ,30 sqtlbds w8s striking a screen are in phase with 3 4wa8g,tldhq,sb x0seach 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)q89jyrmj;ajfve;;j d2:3ffb * qe) affmrd + paths arriving at point P. If the maximum constructive intea;fjff* 8ffaj3mqrq:9 e2;j);j+ dd)v ybme rrference 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 dvpo1spy xv5 eeb99e x,pgphq+ n7 .55zifferent paths arriving at point P. If the maximum destructive interference is to occur at point P, gnppve5 9pxxs+5e9o5, z1e v ph.qyb7 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 brighqk qx1-1 *ojdnym 5c6vt spot in a double-slit experiment, light from each opening arrq-dc nxyo 1v6q15kmj*ives

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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.r -yfl0is2t)if(ko c central bright spot in a double-slit experime)o0 2c ri-kyf.(sif tlnt, 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 .n2x8eid.quwfhcs y65wb2 *l3s8j lh in a double-slit experiment, bh3qe uldw. x .w25slc8j s8y*h62 fnilight 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 slits0t 1.(x j2 tqs4qgluz experiment, if the separation between the slits decreases, what happens to the dit 2qlg(. j0z s1xqust4stance 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 disj kn x+ -7fkm)m2krdhy,ei8 ge*21heitance between adjacent maxima on a remote screei-he2)2*h+ ,8 r 7keminejkgf dyxkm1n is 1.0 cm. What happens 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 t2w 5sy:4,tlvyjxg7l iravels 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 cv;r5 q1djsw4arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obs;wd 15rc4 vqsjerved 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 interferenci.f2k3avln3u :e4 r9duqi 7rpe fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lighfl3rp794iu vei3k . 2nrdaq :ut 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 interference *z:6j4,g pkx nr 1mdfy( cyp.xpattern using mon*fz 4.krcjppxy:yg xn(m1,d6ochromatic 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 sepaz; 7,cmwm+o gsdinqy8- -oqx :rates white light into different co-qnomw , q-:ogi sc;7my +xzd8lors 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 iiqitl7sx t3s-o/ 0q /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 slightl b2onnyxx6wvmc, 7)8iy shorter 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 longer+ot-gty8 3wrje8;po l 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 refraction when passinj9mk.y pc 7fdl/u.(d c6/vco cg from air to gla/dc 9 udc6cm.. 7lfj vopk/y(css?

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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 kkpmdtr h2// :passing from air to glas k td/2:/mprhks?

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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 thicpm xyg ,gy rec.)pi)e)s-y2k2 k glass plate with parallel sides, at an angle betwee 2)km,)i-ep ycrsg)ex.y 2 ypgn $0^{\circ}$ 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 fingnt2w* jjq97 ;ez r5: ckkl9vbsers, with a very small gbt9 9k;:7n*lcv 2wkj5sezqj rap 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 diffraction experiment, if the width of the slit in-:n1udj(5:y-l pahw ki9a midu4mt ;acreases, what happens to the width of the central (-;4nudutap-la whdi51m::kaim9j y 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 gr4uozr,-iljd0wx 4fs( atings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a s zlxw- rf(4s oid0j4u,tatement 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 separation, the only differa z sq/z(2o;.ihjm9irence beingii ;/2 9zhsj( z.maoqr 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 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 re70pfwh8t, nwn flection 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 monaryajj0q51y i - tj/s5z8ok m:ochromatic light waves can interfere constructively or qj 5/jok1-mj8:yaysiz0ta 5rdestructively, 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, which is ).ezw5w qtyu4 traveling in glass, strikes an air boundary, thereyqt )z u4w.5we is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, s;5p:z:ab 8sico- kzm hdbz.+ is reflected by a glass surface, there i :cas-hs i.+dmp 8bk5bozz;:zs

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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 bec5awg(w m pze46ua3il 1omes very much thinner than the wavelength of blu u5ml3w1 epig(6za4wae 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 1yv:.8 ogxa xtis the minimum thickness of magnesium fluoride coating that must be applied to a glass lens t81atyog:x. x vo 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 illuminated from above with mt 7n2.cer ew xwjtz+xmuos ;4)(w8 ,imonochromatic 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 t .iwetxu8)r ,jwwn(m2e s4o7zx+; mc 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 sunglasses c2x(m+ic9/epklq ; l0 0ze( *nqts qzudan reduce glare from reflected surfacesqk;sx*p ze(lq/0d2n(0mql9tieu z+c ?

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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 zp 0 l.x,f1qe: /od*zaokmg+xdirection 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 f5l-1w/dfs xs om7( yz(di dj7/uh6 gja dichroic material like a Polaroid7dlgzu h516(sdf/s/ x(joi - 7m jyfwd 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 perpendicular to each oth d jq+ a,hgsu.qc 8(qbdds1:2ser, what is the percentage of the incide u ,j+bgac2dq1s ds dhq.:s(q8nt light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surm n0p3*e6 bjh g9mz78j-hx+u lnx-tcvface 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 3os0 c2ykw4tm sh gcu uk9,o4 gh2qx*9fmc1+vat

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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 N swiafo;5x ec5*t)/gwg f(j)dOT 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 bz.qy qy*9qoi1lue toward the zenith (overhead) than it does toward the horizqqiy1z *qo.9y on. 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 vacuumk1x0t ob*wpygxw 9 3i.u:g9z g. It passes into glass, which has an index of refrac:x.g9k093bxtu w*g1pg o iywztion 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 e);-z+wchxzl3p u t9p600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light insi-c;hlp)pzue x+ wt9 3zde 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 vf; 5iht 7yvudpku lk1v ++g;t7acuum. It passes into glass, which has an index of refraction of v7dt pg 7+;1;5kvu+tyh ikufl1.50. 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 fouwxjq o99jsuemz0: 69x*ui qdn8:,bh lnd 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 b.r)(9bijac*azojgl-p r.vm0 9;hn c550 nm in air is 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 55xyk2s/+ ok8ej 0 nm in 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 lc4t e0bf2eko(lsy:-wmxx7p.cp5v v 7 ight falls on these slits, and produces a fifth order interference fringe at an angle o 4- .ps5( xvb eyckvfcoe2lxm7:pwt07f $32.3^{\circ}$. 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 and th+xbv-v,gadk5 3 +gviqe third order bright fringkb-ix5a v,+v g3q+v dge 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 thrv+2 bz0rtvp1 2pwe0ge two slits is 0.050 mm and the distancev22b 1vpg+0rw t0 prze 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 experiment, the slit separation is 2.0 mm, and two wahxsoxo90+7tv czk8p 2velengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the cx7+hz2xv 9op8 scko0tentral 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. Monocho/(zo/ci b1i rromatic light of wavelength 634 nm falls on1b io/(cio r/z the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a 9 /pai eq1k47 icl(e9a2wcfsk Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe sesk147 e2p/ lq c9fk iciawae9(paration 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 wavelengths, 480 nm and 70yy9y a6ghi+vj )0mqh6v i.+hl0 nm, strikes a plain hyvhqii.0vy 6)+9ymj gla +6hpiece 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 two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and redg) 4* a*gpos-v 6nphtg light (wavelength 670 nm) *gnthg)vop ga- sp6*4 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 o-b5 wu 6tdj2i0ziiqd2:xos6 of width 0.20 mm. What is the angular width of the central diffraction pi 6wq:u 2zid-5ot6i 0dsoxj2 beak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of 550 nioe-sv*l*g 1umqj371o ; e;daya mm4gm wavelength. What is the angular separatioi*m e 7l 1oau1eqgmyoj4;*;sgdv a-3m n 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 whb v:f/ne by4hh;4+seide. 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 thee4 vhfy; ebbh/hs +n:4 center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mmlv v19*d ykk2 2qvy;qj wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maxqv*j;2k lqy1vk dv92yimum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 586ycuy /ejc 6.k6rb 7be0 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m fb66ck jeury c/by.7 e6rom 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. An obserdbhl)b2m2 0z pving screen is placed 2.0zm2dphb b 20l)0 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 a grating with 7000 lines per cenvpfs8txe:k c4; + obz(*l0k qetimeter, its second order mak;*pz so08 +(qxtle:befc v4kximum 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 angle between the dy51u )sfa98jy4v k9gm e+hsi central maximum and the fourth order mf8yhsku d4sm+5je1)y99 vi agaximum 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 wiwv ezgd8xh+k 0c q;8vb0g0f,ide and ruled with 50,000 lines. The v80;q0e zvx cg0f wdhi+ kg8b,second-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 producp n+,4v)b idhces 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 hi4n,pd +)b cvthe 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. What is 6d wg cw md(c;7lg/q6athe angular separ6wdg/ amw7cc6(dg q;l ation between the second and the third orders on the same side of 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 sprea57/az.lsjp vc d out into spectral hues by a grating. If the grating has 2000 lines p.lzv cp/5jas 7er 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 tod0zttrm(+ pa /7vbd- t calibrate a grating. If the first-order maximum occurs at (z t -vtr0d/dbt7pam+$20.5^{\circ}$, 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 normao ybb1a4kj- )*y l2exnlly on a grating. If the third-order maximum of the diffraction pattern i 2*ao b)nl4by xykj-e1s observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating cc+unck 4:qh5lp3s :p. If the third-order maximum of the diffpusc+34n 5lkcc ::hqpraction 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 glass plate at one en5moi/p 2tx /4sugsm(zd by a strand of someone's hair (diameter 0.010 mm). How far apart aremi/gt4su/s xm(52z op the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thick6 cwn, l 1 k/ emwochq9o9xd/f/m78+v+ftdfskness of this bubble will ensure maxi es+c/fdqn9wf179 om df/wo,/h8 6c vlktxmk+mum 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 illuminates4 ps5monij -a.gv. d2z a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normally omp-.a4z n js 5.vgd2ion 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 ( wc-70x zyqrk+q*e g/ln = 1.30) on a glass lens (n = 1.50) for wavelength 500 r- k* wcgqz0 +y/7qlxenm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized l, gud9e45ov/j iq9taq ight and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotati5 a,u4qgo/9q j9evtd ed $40^{\circ}$ 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 preferruc0fk,l i5uk *ed 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 piece of glass at an a si3 sgper646jngle of 6ssijreg436p$57.3^{\circ}$. 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 comb6:arbaotw.j,7)s7ov .o szis ; kc5vxination. The transmission axes of the polarizer and the analy 5sjr: ) w.7saisb;o,vxok.o 6tavzc7 zer 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 4)de s/h3xaktthe Moon when its image reflected in calm water is comp3/x4da)e t skhletely 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 then an analyzer. In thj./vus a 21nwvis process, the intensity of the light transmitted is reduced to 10% of the intw /1nv2.uavsj ensity 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 trav) fo5,lx, 7hztaqbcd 5m y,m6p-zge+beling in vacuum and reflecting off a piece of,clq f azm-zd,tp7 hgobe+5yx),6 mb5 glass of index of refraction 1.48?

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