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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 princws ee7/c +(8n3edyuq diple.
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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 statement-8u;1lp:h 4p j ;0byz hiqlrhv?

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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 ies qswn:6v 73dedl9- cs attributed 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 attriq./us7(xm1m.r m+ms)bz* mxnc+q pbabuted 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 seh hp2w-ze;8 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), originasa wd w515z*uqlly traveling in air, enters adw 5 z*1wus5qa piece of glass (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally tra*kxa) z4,ml4( o geafs7:nqlrveling in air, enters a piece of glass (index of refraction 1.50), itga7fl4mze:kx) q aos (l,r4*ns 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 responsre0/n -ui1 ezcible for light spreading as it passes through a narrow slzecu -/0rne 1iit?

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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 bui-q a-5 nds 9d9q owf+1chbvbk3ldings, whereas light is not noticeably diffracted. Whvob 15c 9 3--q9nhs +fqkddwbay 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 alternatin*qm/ujsfu 9 8dg light and dark bands when light passes through two or m*um /9 s8fujdqore narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be co(oq i)gqi0mvp6gf ak w7f 6hp;3mh8k0herent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays striking a screen are in phat()zlsr h-p9m se wiprzml- 9 t)s(hth 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 different paths arriving at pjjvnmv -j78 sm w5a*;yoint P. If the maximum constructive interference is to occur at point P, the two beams mu asw 7n jmv;jy-8vm*j5st

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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 wl ig*p6vvs774bse. m light travel different paths arriving at point P. If the maximum destructive interference is to occur at point P, 4.wip ge v7b76sv*s lmthe 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 pki*p02,us) ujdccpa:/qs qi*i57 geeither side of the central bright spot in a double-slit experiment, light from eachc0uk* c/dgq i2:q iup*pa7pe) s,sij5 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 centr1b v9xo8u.:shmp9rtgal bright spot in a double-slit experiment, lig98m1oxr9tpv .bh: usght 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 brightpanw q +wfws8z:tz6( v9mq/ v2 spot in a double-slit experiment, ligh 6q:wwz zf qwvm/p89+sv2n( tat 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 thesr x*0kxwrijw :(-d- qua ky d+;:h.sf separation between the slits decreases, whatq kw0 xis;.: ywduh:-jxka(+df rs*r - happens 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 that the distance between adjacen4ej hub7f1 a qsw4w0b)t maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation isjw b0 hs44fbe uq71a)w 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 travels;b evq, ej-d0i 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 arrives at a poicmi ycybtf46 *lmm1 -:nt on the screen one-half wavelength behind the wa- :c1 ymf4mtil 6mbcy*ve from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a double-slit expenwtj 0qzj4 ;9af50mp friment if the separation of the slits is less than the wavelengthmtwq5j ;00z n p4fj9af 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+i w*x3j4h .ei- vfn1kcz;kqer9- oz x-slit interference pattern using monochromate v3c zexj hof4wk*i;qxi+n. z 9--1kric 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 into differe8 4n-r hb+htdy.oqhr8zyb :91xl g*ew nt colo4 t:ygy q z-h.benxhld 88howr9*+1rbrs 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 aw p7++: k ruers+r kj byw(49aus0zic*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 slightgbfk:+tlu7+jfw b hq5q0z; trl+7 h4oly 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 lo f9pn55yg w)u )n/trhpnger 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 hc pkp 21t 32zbl.aio s.7g5kathe greatest refraction when passing from air to ghkso5 k.p7.2z 3icpg1t2aa bllass?

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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 refractibh p9d k)hz/d5d6n0ehon when passing from air to gl h 6d9)en5db zphdk0h/ass?

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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 thickeuoh*ux75ci zy e6.rv u fd*gr-i7r+* glass plate with parallel sides, at an angle bu+7uv* eocf.d7 yhg x-e 5rr6zriiu** etween $0^{\circ}$ 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 li+j8i9ktftkxtqj8 f1et u7j 2 3e0kz y2ght source. If she now holds up two fingers, with a very small gap between them, and l2ift e3y9tjkx80jq1tk8z u2 ke 7fj+tooks 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 widt1y7 at9h.hgh 3ro-;vos 7ksmmh of the slit increases, what happens to the width of the central maxisg3k oas rm;vhm-ho ty 77.9h1mum 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 ca sb(n5n;bdxa; j 1wl)m and the other one has lw5 bs)xab 1dn;(an ;j6000 lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only;9y)cch qz (v(yxoyk/ difference being that one grating has 3 slits and the other 4 slits. If both gratings are ;(q9 yhoy)/ cxkzcvy( 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 oilke 9ig 2gsf+/p sli88qx71ji f slick are 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 ka 14dma 6) n w(-gn03;l9xanetxsylp light waves can interfere constructively or destructively, depending on their phase difkd 0(p a6gsnt)x; 4n9-1 eanxllywm3aference. 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 3l dmk,br.by3*bzu )g5z:gp cin glass, strikes an air boundary, there ibp :)5dbbzy .*zck ,r3 gglm3us

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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 travvh f(p,;5oqhxj+y9q8 .y fzjx eling in air, is reflected by a glass surface, thjzo(v, y h89yfqx5q j. fx+;hpere 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 mucckk d nb:y0w6( nb+zk3h thinner t kkb:( yn6 bzkcn30+dwhan the wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in mag2rgs*q j (j8exnesium fluoride, what is the minimum thickness 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 isq2 rx(s*j g8je 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 x8y:(w o2(6t8qqb: l bxcmi jmflat glass plate and illuminated from above with monochromatic yw( xq8 2q(jx8cbmlmi6 :bot: red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct 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 that2o8duf gpwg0la2tg+v2/ g9kvl-4 ioc certain sunglasses can reduce glare from reflected w ga98-ot gl0ig gp4fvu2cv d/+kl2o2 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 nzitcdh9y3 1u l)cd,0 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 like a Polo -e 5ueu2l qg1kz1d+haroi1dohg-que2z5uk+ 1 eld 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 o-/dvv x f7u4pyther, what is the xvp vu -d/fy74percentage 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 from the sur901t nlgf mb/zface 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 pthxg:4 3u2 krbbrf(l.b/ w9dgreatest 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 jma0jout4,i6 1ilu,v 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 bei7g. vy0,4e ja:f wein more blue toward the zenith (overhead) than it does toward the horizon. This occurs f:iv7 j a0e4,y.inewgbecause

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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 6009zu( ux(oy2 mg cm8ks: nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. Whu:9y((gkcmomsux z 28 at 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 glass, wh-mst2k8vuyqek* )1j8ib 9 dvfich has an index of refra 8 1mky2bui v )dkj9es*qtvf-8ction 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 wavelengt7s5mlf0 er-cu5mh, pn h of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the ligh5hmpe5rm7s0, ufl-c nt in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to 8qo/ koxxmrqyhw8 7.8 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 ncd;e3szj p 5x*4ad3tam 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 550 nm im rn*-8,sn wrhfh4c64w 6z) hl; qn1fc lgytd7n air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falls on these slits, 0gob 5*fgx gkwh3 kp1hg152 m w0zb3saand produces a fifth order interference fringe at a5zs 31ohfa0wbx k gbw g0 231g5g*hkpmn 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-slit and the third order bright f, b z8ukqfov-1ringe is seen bf1oz,uq kv-8at 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 tw7 yk j/ffma:tb p52v3fo slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betwpf:7 jb3y f/fa5vt k2meen 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 separ6h)u 55 d yugsxqjne q6wie8.)ation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m h)iee un qus85)6w5qdyg.x j6from 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 waveleng :.*-mtz u;lyvle8- hxgp z:hwth 634 nm falls on the slits. If there is a screen 6.0 lthgp 8my:-w.*;v :z lh uxz-em 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 dour u,br-wi0:+ sa ghrn;ble 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 betwee+;rs i b-r0rg:a w,nhun 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 70i2o0fg3 5oj fu0 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refracti0ojg i of53uf2on 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 (wavelengt0jhe 4p g2 iulujf17b8h 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of glass 81bjgi7le2h4p ujfu0at $80^{\circ}$. 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 58r+o hjb* 73gs.jzyk s ;s/juhvz;ggwidth hog*gu;s/hj k 8jz.rz; b3 +js57sy gvof 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 0.050 mm wide, is illuminated by light of 550 nm wavep+ gusw*d3ypa(q m3:pn6)ceulength. What is the angular sepagpuc+3 mu):6s * n(pdpa3 yqweration 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 incidenta3v/kuaa l*he2xj2+p on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark frin2x2 /e kapa3*vual+ hjge in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on * :5l0q meht)uxt shf* fp7yn1a slit 0.20 mm wide and the diffraction p *1tp5n7t:ym)h0usfqf* h lex attern 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 jh v:*ep;a.i jnd*l(l nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from :ad ljne.(l;j **hp vithe 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 observin r 8y-p;rmw9:rkfb:ed axp- c7uws9p-g screen is placed 2.00 m from the slit. Find the width ofsr-e-:r7-x9r yp9a u 8p: kb;mdpwwfc 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 centimeter, itsjsv9as5xi+; hht0 ek1* g(ivt second order majt; h+5ssag*1 9vve 0tx(iikh ximum 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 7tb4 znmfy9 e3/sq;feper cm. The angle between the central maximum and the fourth order maximume/9f e7yzf3m;4nts qb 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 :ki hyf3nq4s 9ruled with 50,000 lines. The second-order max:n49khsiq3y f imum 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 wa: rx+6: xzljpcvelength 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 m+jx cpr6x: zl:m 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 cent,;7i(k74)ub x t ebv5t j:kmgron/df ltae.:j imeter ruled on it. What is the angular separation between the second and tolj k7 4v.:/eebrm k;g,5tx aft:ditj)(7bunhe 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 spread out into sd2iw1dq e 3 9q5baj4d nzwr0/tpectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle ajd12qb0erqt wn4d i/3d95 wzwill 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 ta+*k7i0 s24dzf(7dmavg ap a fo calibrate a grating. If the first-order maximum oci*+ mka2d(a4 vzs7dp0 gaf7 afcurs 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 incident normally on aw0-*-9 krgy /lumc nk,4lacyh grating. If the third-o 0m9 r*wgk-kylhycu/-n 4l, acrder 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 incident normally8,vdf,j e+q 21 qfpxsf on a grating. If qqf , f2p8v+jx,ds1 fethe third-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 gll4,/pe dtk8lhass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the ad/kld4,hlet8 p jacent 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 z3 ,nyqj,(8znbug* i9ul ovdq*zn) +sminimum thickness of this o*unjynbl i+ * q q( ,8,sz3v9z)guzdnbubble 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.o1z e .xf 8m.f,5b vqao7qgh:o33). What is the minimum thickness of film that will give an interference when the light is incident normall .,a7o m1evqgbo 8:zx.fqh5 foy 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 = 1.30) on a gl*h8w qh w/x6wgw0hn8a ;0ylic ass lens (n = 1.50) for wcw wna8/gqh0 xy;h h*w806l wiavelength 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 intenyg. (1 0/vxrqf7qz9acpop/ w w3,xcrqsity of the transmitted light is 1. A secondxc9, xzv1f/wcpapq0qw7 (yr /.r3g qo 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 direction rw23q 8n t8 r80jh*jm/bqubtf aotated $30^{\circ}$ 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 fla h7n g/n5nt j2xo+i9hot piece of glass at an angle of 2nh/jo57+hn gtx9in o$57.3^{\circ}$. 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 thrc *;+.qmg plcgough a polarizer-analyzer combination. The transmission axes of the polarizer and the anal+*ggc p;c m.lqyzer 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 Mn bb4nm+uyjn7pi j8ejuhoj2z/05 7z .zdae/ *oon when its image reflected in calm water is completelyz 4j0/hpbu jbz5 +zu.jndinn8moae* /j7 ey72 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 thdh3-0 +r mhlclen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident ohd0 3mcrl- +hln 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 reflev)5)vd yi9yr q.kn )rjcting off a piece of glass of index of refracy5.)nkirvry)v) 9qd jtion 1.48?

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