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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 princmca *x,iwfg8.a rl 3kqf.4j+ wiple.
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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 stateulm(6 xw6tpl 4ment?

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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 -6r7v 21e lduj:i5t) fheoamio

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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 attbg 9d ,b7mwk-,n y5cjtributed 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 diff7v nk;70mnp. eplp8aherent 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 trth ae1xj5.p9v.weu* x.ztj (w aveling in air, enters a piece of glass (index oeu(t.5 z *. .w9av pjxh1tejwxf 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 ra16yt / ee/fznm), originally traveling in air, enters a piece o/1zr/tae6yef f 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 spreading as y l59vwtg2 a8umzb 5mn d-;nr4it passes through a narrow slit? 5mnrmv92luwg5 yzdtb4a;8n -

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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 c1 asn.m,8y (1dzc*oh;xbshm is not noticeably diffracted. Why is t8 1 ca (om,nhm1*zdysch.bsx; his?

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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 alternq.2s7y 7)nl s7pmrrveating light and dark bands when light passe7pv7s 7) myn.e2 rsrqls 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 t:c9pdztg d);5 3gr 8thi0dzsto be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays striki-tb:f 5zs)dhr5 y 8nhqng a screen are in phase with each nfqdb5)-ty5 s:hz 8hrother?

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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 arri*)i xbpjxs7jiksn(en;8r6/ pving at point P. If the maximum constructive interference is to occur at point P, the two bepji) ijs7r e8b(x* k/x;npsn6ams 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 P. I n+*,kd2ygesosrhj94f the maximum destructivess *rkg9h ,n+ ejody42 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 sidn(/apzx skx:gk 3r 1xwn2pt:pgm)g3.e of the central bright spot in a double-slit experiment, light from each o/(xkp1s ng:3rm.:3xx2wztga) gn pp kpening 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 brighrs a3qz4 ;**c 5 pwv3kklirgsb:tt ):bt spot in a double-slit experiment, light from each o) kwbcgi s4vpr3:atqzt rkb;5 s: *3*lpening 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 eitheljhim;,kw6 g: r side of the central bright spot in a double-slit experiment, light fromg,m6:wk j hi;l

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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 s)emyj k 1-ron(s7w-eweparation between the slits decreases, what happens to the distance between the interfeeserwon 7wy --mk1j() 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 the distance betwee o lcqa4v2:o-bn adjacent maxi-vb42lqo:aoc ma on a remote screen 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 tramtpbz7i/g0k6* b 6pkwvels 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 qvc ,/*wmma13dgbg p6 Young's double slit experiment arrives at a point on thw ,mc3mvg*bd g1 p/a6qe screen 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 fringx y 5vajdqp *5*ptd4a3es in a double-slit experiment if the separation of the slits is less thxatd35jpv* yp aq*54dan 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 maxiw.wl.mpg)y -sy ti :dxxg ikj0*i d;2-ma in a double-slit interference pattern using monochromatic light i*p.m;iiyiwdg gx0t- 2 yxwdks.:-lj )s

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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 l*c1s1m f j:0 duir8w)sf;m hp kq2n3aa prism separates white light into different col230ki j h1dmau81 cs ;fsw)*:nplmrqfors 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 aq2+bymxr0g5 r86xfm il4xi;p llows 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 shorpqp3 *+w1yl.0oyohhy n, 7olpter 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 than 750 nm is ca8y c/nmmd- 5ls8 (g9 ruomyt0illed

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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 unde h5pz9tf va7j(rgoes the greatest refraction when passing from air to glaf5jhzp v97(t ass?

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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 re8db/) alz41 wsj:s0l9qqg gdc)s1 ufwfraction when passing from air to gs)9)s qqwu1 : 1j dl dalszg/04fgwcb8lass?

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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 parallel sides,z4c7)f2b qbr v at br2qfbz 7 c4)van angle 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 d h:enwk6le22i istant light source. If she now holds up two fingers, with a very small gapin:ewh ek22l6 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 increb5z e j:7a*jksases, what happens to the width of the central maxis j :zj5akb7*emum 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 grati01w9ao um3sx l5dgs vzv++c( hngs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratingsu5 o mgvlx+cdz+sw3hs0 va (19.

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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 +i jk i5u0pi6tonly difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the 6i k+p5u ji0itsame 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 bpx;2/pqa lkny hdk/- ;y 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 intdd. z+ 0xlkvo6erfere constructively or destructively, depxd+do 0.kl6zvending 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 traveling in glass, strikes an ai7bvu5 qx)7hc4oy u odrjee/ux0,t 0o)r boundary, there )u ,vbhu 04qxo )u7cx/7eojtey5 odr0is

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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 auu 6o2yjc yf*h(lz+ y rw+jz)0ir, is reflected by a glass surface, ther+ )fy0*hju (zlu2ojy cy6z rw+e 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 much thzmzyf)wy)gnv:7s(y /m ,cjw1inner than the wavelength of)z:jsw7y , mgyyvcwn)1 (/zmf 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 h8 yna uzmi64wq;e/s1smmx:43b4zyvof light in magnesium fluoride, what is the minimum thicknes y8i;mq sm4y4namb4 zu36/h:s1wxz evs 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 illuminat9zdse 9.(dkyked from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observedk( d z9ey9k.sd. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain su5l+br94(;nyjrn n m kdnglasses can reduce glare from rey nr9;n4 mrkl5(bnd+ jflected 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 definkoum6ou2 1n8y ed 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 /ap wdx,(o91eouwp7cj14o fn polarized light in a dichroic material like a Polaroi o, jx9(/4apu1owpn e1w7fcd od 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 perpendio-ub 40.vdxh zcular to each other, what is the percxhzd-v40.buo entage of the incident 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 from8jl2 lsql-npbx zj7*9 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 greate9mr arnb*87k ;1 nhmmust 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 diffrahg.k.dku 6 bimq8 :+vxction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenitze.6 bko1(ndn+u+ yci1ol, d th (overhead) than it does toward the horizon. This occurs becauiu+kebd 6d1 y1+z o. nc,tl(onse

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

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into gl mlh mx5 lp u iscu0fx2qlej;;d-)5*1gass, which has an index of refraction of 1.50. What ifu ;-jldi cp0 2gm mhlxul5q1e5*;)sxs the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glasdzz0..zjwxjy3spb64 yw2 i7t s, which has an index of refractio7 x 2z ztz.wwd.0byjj py3i64sn of 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 wavelengicawf8 r *6.qnrn(w3 gl.f6hb th of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. Whatb.6*an3g8fhr.6rqlnw fiwc( 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 vy8j3ibp8y9 zfacuum 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 i-k y9whmf1 kf2s 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 found to travel a*kp.6u; v)gwv1;q r a 5yurzb2yvmtc2t $1.96 \times 10^8 \; m/s$ 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 6.01qfgv)-c)5sppo5 vdt*j h3pg 0 mm apart. Monochromatic light falls on these slits, and produces a fifth order interfer5p phts3)pvc*gd1g)f 5 j-v qoence fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falldpli c.un w0f.gv2n (eqd /e59s on a double-slit and the third order bright fringe is .g25ful/dci(.dve nw p 90eqnseen 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 slits isnifgi 3w 4j;dyp 39h/m 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the phf d33wy/ nj; 9igm4ifirst-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 wavelengths,vp;(ex( e op ucv7f2f4 750 nm and(( fv4fce ;2vpx7ueo p 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of w5-+zb n xa9 m-5vhcacuavelength 634 nm falls on the slits. If the-+c-b mu5 5na9chzvxa re 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 Young's double slit setu a-f:pc; oi iwj(gw 26qq-cya0p that has a slit separation of 30.0 mm. The resultant bright fringe (yi-;qp6 - 0i:cjw2gfqcaaw oseparation 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 x ww)c i lumjt;,al)gmdr4 5,:y81htq700 nm, strikes a plain piece of glass at an ant : )4;mt jdlw cwriqx al,g8h1,m)5yugle 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 ofsew a8q/1.*t ph,4yj0fwv hfb blue light (wavelength 480 nm) and red light (wavelength 670 nm) isq0j w 8vp,/ht1fh.fbs4*w yae 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 c.mz4j(d gqk(rc:m v8 a single slit of width 0.20 mm. What is the angular width of the central diffc(m:zjcr4v8( k gdq .mraction 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 of 550 nm wav/ kdf 5b--(kk/jerp dkq (,eztelength. What is the angular sepaj-dq /f p,k /rkdkezk( t(b-e5ration 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 qpz04n+ k0;vod+ n vxca 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 toz4pnx+0dnvk 0q;c+vo 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 incidentds078sjh/,h: ub ulbs on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m frul8:bh bsu0/ s, sj7hdom 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 wid0hz0vaa9 emug n7k22 oth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the 0n0 evuh aao7g9z2 2mkposition 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 slixu ycv /1 /is qr6but38*43cvr,b eisrt of width 0.300 mm. An observing scre4 r i x/rcytiv 3316/revub8b*s,quscen is placed 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 a grati4oq.l1 tv4 5 x-kjapta3tccr:ng with 7000 lines per centimeter, its second ordepx-1 5t3qj:ov acclr4.tkta4r maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 limg.3 ,3go gcxf1xx np 2zg9u,unes per cm. The angle between the central maximum and the f p nxgzu9.,uxx23gmgf 13ocg,ourth 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 and k5ousf4)4b9w8l xxoq ruled with 50,f 4qs8kb5w x)ol9oxu4000 lines. The 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 wb p5so0 *0ho a)ik5siof 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the se)aiwo*ks5h o5b0is 0 pcond 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 linsj 52c v8vrdk2es per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central or2vjd 2sc8 rkv5der 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 g6s zxs/x/ *pnc9t: ibout 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 ors6i /tzg*b/:x n9 pscxder?

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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-or4r* v7pyp5 yznrm 1fnj7,azt 0der maximum ocfp*znj1a7n,r vp7 tz54 ym0ry curs 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 incidentzg+fma/m6asg-kgf w;i+0n5 aq lo; bc(*v)kv normally on a grating. If the thm( g aaa qigf *k-nvwog;s ++kb/;cz506mfv)lird-order 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 w5lp+*t 5gam.bqia ( tof wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed at*i5 w+galtq5b.pa( mt $32.0^{\circ}$, 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 sep2hzo7c l2o(sq arated from another 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 lh2oo czqs7( l2ight 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 o gu7z, kdadv11f refraction of 1.33. What minimum thickness of this bubble wi171,dgvauk d zll 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 = 15dphyh.qbw5t* )/ 8hyw-u dln.33). What is the minimum thickness of film that will h5-uw/5pybwhtnhd)l*d .q y8 give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coating (n =ctn7xz)g1 6a4 xt r6tn 1.30) on a glass lens (n = 1.50) 6647zngttn axr1txc ) 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 of unpolarized light and the intensity ofmj88mjem (* t h-k8jit1 )rtcm the transmitted light is 1. t(m1i8rc tm h*km)-t8jj8 emjA 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 i,c we6p xl.wia0)-r8n0 wtb qpreferred 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 angle oxcszb9 a:-hm q7yzu4+ pe 0 +5+hsmstof u azpms7+mh95h0bsotxsqcy e4++z- : $57.3^{\circ}$. 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 combi l/sgh4lmyf,ncm 9tbd/ : 0ux/nation. The transmission axes of the polarizer and the analyzer are at uhfscd0/:n9/ l ,ymlm /g4txb$30.0^{\circ}$ 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 itant:hclx+ oyi.29 f 4ks image reflected in calm water is completely pol2 .+ ktcnhy 4aox:f9liarized?

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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 0:x wspiox apci*7;8o polarizer and then an analyzer. In this processia pp o:ox7i0sw*8x;c , the intensity of the light transmitted is 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 refleq1wwskjy9k( 2 (c t0hycting off a piece of glass of index of refraction 1.4hq (1kys209wjt kwy c(8?

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