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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 principleot ogkki+ +v(w8,0 sms.
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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 xu ytvha9syd2amr3335a 7mz , 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 tossy,)* f)f jzb

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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 attributejl -6ow6fdobp6lev;c +, ,r/cy.mgx td 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 enterszydcw8t x.5e9newa *,pf2f- zy,y*ay 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 nhcg vm*(x7 r0tm), originally traveling in air, enters a piece of gvr* tcx7 0g(hmlass (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 (wavel)40wwb9s0v9zg nbp i gength = 590 nm), originally traveling in air, enters a piece of glass (index of refra9iw09)vnbw bz p 04gsgction 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 tm ( nppl8)sx jmj2ms,5f,vdm:i8)jr spreading as it passes through a narrow slit?( jl,,n)j5it)8 md pm:mj2sxm fprv8s

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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 larhzr0 z uya.sp).ce4g 2ge objects such as buildings, whereas light is not noticeably diffracted. yagu.) s2h4zc.p r0 zeWhy 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 ycv fh58-(tbqh ) e(cnfor alternating light and dark bands when light passes through two or more narrqce5hf t8ch(bn )-(y vow 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 coherenf4zd5uewy5u,k x3r :kt 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 jyvf/cza;p2xy7 -5v (wv ,jbb9l wbu)two light rays striking a screen are in phase with wwx2b- b (y fyv97/pzjvjcbl;au)v 5, each 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 differentoh80 k7o )-ta*8vpikn uj9cz t paths arriving at point P. If the maximum constructive interference is to occur at point P, the tp78 9ja kv*cti8n-k th0ozuo )wo 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 arriving at point P.5j5w+s6tt g k2ep+thl If the maximum destructive interference is to occutt++j sg5hep256wl ktr 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 (,.6s(ch 1,wavp b wz8r,qzjl3o nfdrside of the central bright spot in a double-slit experims v dz1(wcw(, zor, fqlhr836 pa.bn,jent, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the centra76f*hls cl3xz 63hiuxl bright spot in a double-slit experiment, lih x33c lz*7 xis6fhu6lght 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 in a dosoj7/z oz;vm5 (r6xkrd6, oyf3bgb t +uble-slit experiment, mzxg/3djo o,v 6(tb7bf kr65ys ;o +zrlight from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation betwe5+ chab7x t,yx17d o)eeg rx1gen the slits decreases, what ha x cb1ytg+dh5 xor7e1)ge,x7appens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed thaiww.(tx enmmgsxs55: 1x7 (b ht the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adja1ixsw.m :bh s75n(tgx5 xe(wmcent 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 tr p-ctv.sd/g0z avels 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 0w8mgo0h 6lq)wz juw78t c ha4 e)3rsda Young's double slit experiment arrives at a point on thes4q 8cuh7 wmd6 0wwozt)3lej0 hrag)8 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 obtais6drs,jrcc2 jywn,* 7n interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light us62 7wjc,* jrrs,dsncyed?

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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 intyiz- da2fb8;.e,q o35wqomvd erference pattern using monochromatic lightyo.i-o5qzdf v wam3,e8;b q2d 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 pkr.tzmni, z a/ iii-9*z6lx+lrism separates white light into different colors6i*zn+ tr. lzimi, lixzk-/9a 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 rain ,h2x ctlpt-o7bow 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 2u6ogt 3; okouk:b4vot:a,vmshorter 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 longr/v a36*gzv3j igklzdr.+ tvjw8yv ;:er 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 passing)2k hbe7fblcshimw - :;4 iu*x from air to );lhcwk2-fi*hx4b 7 bui em s: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 frs0 ) stlm1/0nnied(asom air to as ) ( sl/0me1nid0sntglass?

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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 isf dg 8(lx4plvol0 m0;l incident on a thick glass plate with parallel sides, at an angle between ;ml(og dlf x40l v80lp$0^{\circ}$ 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 soud pm;tb.l rj()rce. If she now holds up two fingers, d(b.;p rl mtj)with 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 diffraction experiment, ixsry 7 ;k4;mxnf the width of the slit increases, what happens to the width of the s7 knx;xrym;4central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one ha3(te4y6 qe- ;5q gwz cvowru-hs 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comv( g;c3e6-w q4tzhqo 5re-uw yparing 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 m l3;za..da7x l 50js pjyg3syslit separation, the only differj; 3ys dglxmsl3..ay7zja 05p ence 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 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 agi5 jzy*6: .oz;9aeau vtobg0re caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere cons/lb p+8tn: wxiasncm-vx 40xr )6w)natructively or destructivelp+n x0)6nixmatbxs 4lw/ vrwn:a-) 8cy, 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 traveling in glass, strikes an a* x+;ytir1of sd)l smuft )/g-ir boundary, there *fti 1)y fxl /utrsg-s)d;om+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(tn3v3gpcz1ssyk)ob02 +hx , k7 dsrt , is reflected by a glass surface, there iskhn)t2g3p,o71 s xvybts3rcks(+ dz0

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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 fiyc ;.dp h3c/ (6j*n4:ffog aj,y7ar.nslq vl flm becomes very much thinner than the wavelength of (f:/;a* l.p73ca,6h s 4yjnd.fc lqvfnroyjgblue 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 map* li,o*5yj/osrqyc 1 pot+.agnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a .c* rp/s*al1ytjpi, 5 yo qoo+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 illuminated from aboh/zg c.of; o3ljfi(kcefl/ )0ve 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 gl ifo0c3ghoc )/ le(/zff.jlk; ass 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 certainmt,p/ oy )f. ,bu/irbpcdl+dr o/7ha, sunglasses can reduce glare from re/+dco.7,tora)// r u fbli h,ymdp,bpflected 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 ntp7e. nx.n;wdirection 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 dichroic material lqq: v z1s7i--l r,uwxkike a Polaro -k1:wu-,vr7xqis zlq id 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 tw* 2j5a b.tkzldo Polaroid films are perpendicular to each other, what is the percentage ozjblak 5d2*t. f 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 from the sur 1a15b s:normjface 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 s: ip6wn.nr)w1 jqx0qat

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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 NOT e 2 uaayui*u/,3daj: wpxhibited?

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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 nuh01p5:mh *pzeg r/dblue toward the zenith (overhead) thane1zpdp/5h :rngmh0 *u it does toward the 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 wavelength of 600 nm4)xuu )qwei dpf7/(oem* ncx7 in a vacuum. It passes into glass, which has an e m7d up/oe)*xiwq(7xnuc 4f) index of refraction 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 600 nm in a vacuum. It passes into glk1jnf 0q(h8b 1zilcve6mg b93 ass, which has an index of refraction of 1.50. What is the frequency of thb g m zki0(vjcl e16qfb9n8h13e 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 vacuum. It pajh3vwplv7kjki -1- dymeol8wb +f;:1sses into glass, which has an index of refraction of 1.50. What is the speed of the lj1:ofm yl-3h-diwv ;+7jlw v1e8bkpkight 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 vaclqq8*p lg v3oi5r7(rmuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is f - mz2,d3v-vmqca zy+sound 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 h)sf(f;)4yvpnu05ye4xzcp g 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 a6 u7oa 2by(h7tz:sjk. Monochromatic light falls on these slits, and produces a fi( ty7s7zua26jkoab: hfth order 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 575 nm falls on a douqt99wo9fe s rtwwi (3l p)(m/pble-slit and the third order bright fringe is seen at an 9tweomfw3l pt(qws)p9i 9(/rangle 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, n39 h6bfn0e,ch (kdxnif the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5x( 39 0,d6knnhhbcefn 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 sxt* ii-t3 3zkbhi 5yl-9n* io1k.nilblit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide withlihi tx-9*n3lniyi1-t5bb.*k3zi k o a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wave(*qotz zrhg*.yma; .j05qdz vlength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent i*0z;g* td.(qma ohj r.v5zyzqnterference 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(nf8fwqb4 f8i51rg uq on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the tif5qr8ub q1 ( nfgw4f8hird-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 ze;el 1mq fj15and 700 nm, strikes a plain piece of glas1 feqejm5 1;zls 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 rdffc ;39 7xxz.p: rqkred light (wavelength 670 nm) is incident on a thick piece of 3px9frxd:qf7zr;.c kglass 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 x. kd(;v ;30xjc-v7ojbi4blfpqpyvc )0(yck slit of width 0.20 mm. What is the angular width of 0-;(7 pv(j k plc. vx3jq)xdc4kb;v f0yc boyithe 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 0.050 n;os0: mif3 n04ttcf6f+(bugjc5ao imm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between :0n o j4 f6 if0f (ia5m3;tco+nutsbgcthe 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 wide. At what 8etnp5 k6o:papf p *uhgca*q +*+sep5distance 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 cen +qan5a6g fhp*otpu 5p*pp*+c ees8:kter 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 mm wide and the rzcjj*w7 b6n65nd* pjdiffractiojwnc *5jbd6 6nj zr7*pn pattern 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 1fs7ztfj f q ip8vsg41;aef8;0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from th7 8q4;8f1ts pz1 sjafgivfe;fe 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 0.309cuq wq9 d4 );jl,pbys0 mm. An observing screen is placed 2.00 m from the slit. Find the ucl4; bwqd) 9 q9jy,pswidth 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 70t06gw 3h*6 )4m6:- ;rrsgm-bpaacrsxs fze fg00 lines per centimeter, its second order maxig6 6r )pcx*3rmb g f60grz f-s tes4-aas;hm:wmum 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 cen(brb5wbcqw o 4( w*lc,tral maximum and the fourth order maximum i(wo*cbbqw,c l5b wr(4s $47.2^{\circ}$. 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 ruled withzzkz: a v2yzuu.3tko+51 mo(f 5:zzfk+oak2v1.53mz yto uz(u 0,000 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 of 600 nm wavelength produces a first-9ji 5 zys8mfwdtwp/kuq 0) ,(porder maxi p 9u,)(jpqtskd/ywmw f 508zimum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled 4 u- fn 4qwo+ y;,yawa0n0y(sm2bmvdzon 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 of light of wavelength mayws;o( wd,m bzv fayqnu0 44n20+-y550 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 spectral hues by a grating. If the ukbpo8)k t **9gnqzq2hn te2(grating has 2000 lines p *q82 2t*(pnqeoz9kbk)g thn uer 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 +3c (zuu1xwbvj 6zt6wto calibrate a grating. If the first-order maximum occursuwc 6tw13b+z zx v6ju( 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 e9i:/ go5az-jxe65h u 64 y7nbktxzqyis incident normally on a grating. If the third-order maximum of the diffractionjky t6y4 gba6exe9:ihu-z nqz 5/5o7x 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 normaquvo ixh5 8/s*6tdd1 plly on a grating. If the third-order maximum of the diffraction patte1v*poi s8dh/d xuq6 5trn 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 longnkjy; ;gzo(d2sf6 mh1 is separated 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 bzo6 ;hfdj (sgy1;n2km ands 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 th8z.w-hr0vc 6j hze dvodz*9z*rfw8 au ep 6+c7ickness of this bubble will ensure maximum reflectance of normally incident 530 nm wa vrzu8e c w-r6 d+*cjz*08e7 hfdo6pz v.zhaw9velength 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 = 1.33). What isl6g 4)xmjck9l )rj*qa/n dk1 m the minimum thickness of film that will give an interference when the light is incident normally on i ml k qr* gk4)1l9mca)jdnx/j6t?

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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 hz73rcm*2luj a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) fc2z*j3lrhm 7u or 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 pl ,t8 bu3c52t mkv .wnaj2bqy/kt. +xnoaced in a beam of unpolarized light and the intensity of theqo ak,myw32 /tx .jn b2cn.tvut+b 58k transmitted 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 xd:k+txk6-j tc b58g gdirection 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 xb iue 8i-p1v*;mc)qimty ; (sof glass at an angle of qv1)itcy sbp(mu;*- im ixe; 8$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer combination. The tr/ db d) rya25mid;9ajbgnobu3 0o-ss2 ansmission axes of the polarizer and the analyz2;9 si sad/ joma32 brnu0 y5obd)gbd-er 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 calm wategwcc: w9v7 fh4r is co:vc4wwc9 fg7 hmpletely 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 thropga8 3jm/y;wqugh a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the8y;jwg p/a3mq 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 ligwmu6 tbq;n/vd2r.s7f8 cmm *ght traveling in vacuum and reflecting off a piece of glass of index of refrad 6w2u*8vfnmgb mt rmc .7/sq;ction 1.48?

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