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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 principmah i:egi m d:.- :51;(pqltmkos g2pc3d q+nlle.
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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 isrpzwhy,. 8aq a*e b u1p1n1p;o a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is-1q ygoo3bqvmm .pw1 / 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 fh88 e dc7:vyvattributed 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 different optical densrb6jtu i-r h-20vck5 qity,

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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 trave:/ 4yarye* o.,oef hfdling in air, enters a piece of gl4/ ef oo.,a yhyderf*:ass (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 traveling in air, ;g dk7(mx:+4ng3d q/grbcu prenters a piece of glass (i( grq+n7px/ ;d:4gmdubc g r3kndex 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 it passes thr z5)tw685y 3t k ctfsr6nx3.iz2i ccsbough a narrow sli szc 6w5)ysn5tt86 3crf. 3bxti2kzcit?

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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 l,jn v5ivg* p5 b*p:wcmarge objects such as buildings, whereas light is not noticeably d,:nmc*bp gw*pvv5i 5 jiffracted. 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 responsiblei6t.-efmhuz6)o*w g l for alternating light and dark bands when light passes through two or more narrow sl-mlg fuw it.zhe) 66o*its?

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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 c/5 ,fka q.sudxoherent 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 6laobxp8 f 2ejh).. .+qnp qsyphase with each otp.qlpoj8yqns2f .h.x+)a e6 b her?

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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 arrivi *h y)svt ie08u.ey;mj-naj :ing at point P. If the maximum constructive ij)iyue*amtjy:- vh.en; s 08interference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. -vlp k32o6 gik If the maxim ip -3o6gkk2vlum destructive 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 eithe18upk ;j covf0c66wul4saivq80 pe1o r side of the central bright spot in a double-slit experiment, l6kwqlcaf ev6v48 psucj8op0uo ;1i01ight 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 ei5r(4glf k8deether side of the central bright spot in a double-slit experiment, lig(fk58l ge d4erht 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 double-slik+ y4/j,6x y zhtwjry2t experiment4 ,kw2t +6/zrjhxjyyy, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the slitflj:q4fu5) z:q:(+em daw nd xg5e1xys decreases, what happens to the distance :uf +5q4d1fjmx xgw(ezl a):5 :e nqydbetween 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 disd dht4/5l 2vdwjxw0n n, w40lstance between adjacent maxima on a remote screen is 1.0 cm. What happens to the d0 2n/vsn5 4l,4 wwdwdj0ldhxtistance 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 coherentq/p3bh(* lb ua light travels 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 arrives7pm+(2agi spe at a point on the screen one-ha+ (geim7 ppa2slf 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 oft0m akw ;s: hth2o37fringes in a double-slit experimeno7aw:hhf tk2;3o0tms t if the separation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent m o9:3 ucvffssd8l)w2 skcx35maxima in a double-slit interference pattern using monochromatic vcl5cxsf :dufs9 sw823)3mko 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 light1h u8tdcdz4:assdd 73 into different co t84acsdu3d17dsdh z:lors 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 allob+2 idy q,q* p fa-o.ynjm73btws 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 sho q231k*4spgs9w.cth sd3g5 tsik wti3rter 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 wavelengthlc;xqif() lvoy fdn8c ((rz6 6 slightly longer 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 undere unec+u/gq5a. i c6t,goes the greatest refraction when passing from air to glastag5 cequci /u,.+en6s?

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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 smalles : h0j ey,+w6k/lppfr iov3;cnt refraction when passing from air to glass?iy 6 ke0fh;/ p:3or pn+,jwvlc

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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 paralle2tatmc v4qt jp1:::tzl sides, at an angle betweent:tp4tv:jactq2 mz 1 : $0^{\circ}$ 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,ws(w awt xx:l)u.e8e two fingers, with a very small gap between them, and looks at the light source, she will seeex s) waw(.w,et8 ulx:

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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 slz1pjf1fw4saxfe2 b/ z dr no2f .-6vc*it increases, what happens to the width of the cenvbr w 1f.f 64efazo x/zs -2nc2j*1dfptral 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 has 4000 lines per cm and the )c7k6.rvc lfyother one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratinrvlf.7c) ykc6gs.

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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 samem 89gvl9*pl yc slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic c 8*mvypl9gl9 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 byx64)h 69pal0dj zf lj9kteda+ihcb7+3h8p ih 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 monochh8qi or.a5-f6 igda -zromatic light waves can interfere constructively or destructively, depending on thzh-fq8g6 .dioa 5ria-eir 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 tra p(6nviq * 6gv9z6bczvj83praveling in glass, strikes an air boundary, ther9 8c*jpgzai vv3p (rq6v 6bn6ze 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 ai i,7ugdqq 3z*s z:ar1b p3.c lq(3nadir, is reflected by a glass surface, therzn:d*3a c3l.dq1 (q 7ibqgsiz 3upar,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 fhci- tus/uu)v. be*xvz.uoa2 ;fp08 fyj m77wilm becomes very much thinner than the wabo27se* h uvpj7x v tuf ;)fuz-iwa8cy/ m0u..velength 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 magnesium fluoride, what isy5e c .:pjr 2ywxb9j:edxgoy393zg:f 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 is in2yjz x 9w:93y3eg:yo g5.d :xfrjbepctermediate 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 i-wn c:g9uajd a1zg 8,fm p+e0a flat glass plate and illuminated from above with monochromatic red light. When viw-paa+ ijcmg dge0:n91zf 8, uewed 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 respon/jq cb)uhm.5 bsible for the fact that certain sunglasses can reduce glare from reflec/u qmcj5h )b.bted 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 polarizat zy gv50jvfl(. ,sv7ybion 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 obtainr4:o xl/mr( ju g*frm0 polarized light in a dichroic material like a Polaroid04xm:(rjmrogfu r *l/ 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 perpendif 5d5yl7qqe )9;unnmod( wpd0cular to each other, what is the percentage of the incident light which will pass the two fild;9y)ol5w n d(qd5 7f0menuqp ms?

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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 surface of a laoe, 3s8d3 bcnrke

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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 iujg(irku0r ev :mq4 a( m20 5+r4iqxgms greatest 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 diffracti*1wrtwesii tto9*v,) on 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 appeoe9w2npb 8 w7tars to be more blue toward the zenith (overhead) than it doet9e7 pow bw8n2s 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 nm in a vacuum-b;t /p gei+yo. It passes into glass, which has an index of refraction of 1.50. What is the wavelength oygep/; i-b+tof the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which has an inlm m7y)+s2,nfdg(jt* qf xv+vdex of refraction of 1.50. What is the frequency of the light insidvm,+mf tsx+7d yfqg vjn*l 2()e 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. Itzg+ync.myom,* 4 k 9lb passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the glass+ob9 ylm*zky.mng,4c ?

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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 foundx n:imk i*m u)+v+2evj 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 found tocfp9q+kttc:5th )xr : ia5*z gv 4lj4n 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 trg4r8 ukx2sf)zl p15 jfavel 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 m8i ouxq9jlv40m apart. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an anu8 lo 4i09qxvjgle 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 falfaj19hfhoq *7 0cc(m/ pwl,uh ls on a double-slit and the third order bright fringe is seen at an anwl qh c1hhfmupo9cj * (fa,70/gle 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 )gfa j8 g).fihslits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find t8aijghg ) ).ffhe 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 2s2qj gjl*m v+u35 mb ,q*cjwg/.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m froqq/sl2*j gjg * m+35v,mucwbj m 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. Moepaa4ps l jvodc/8;0.nochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent intere/s;pl a 4p0odajc8.vference 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*w*o:ej qrb ofl3nv 67 is incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2 fvo 76wj3e*l rb:nqo*.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, 4ahrv- b5,d,g s80 nm and 700 nm, strikes a plain piece of glass at an angle of incidence o ba,rvs-,d 5hgf 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 consistim-1qip e8l. f; hjp+9wtxv:brng of blue light (wavelength 480 nm) and red light (wavelength +1-.twbj p fvq :pe;9h8ixmrl670 nm) 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 of width 0.20 mm. What is the angul1g 2zclj-3 3 b3pyjhivkxex42v+ygx.ar width o4ei3yzgg -v3jxljxh bx 31k2+.v2p cyf 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 o4si c/ py9wk0 .t+srmjf 550 nm wavelengt /j.is+9p4wck s y0mrth. What is the angular separation 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 x, yu ki9jmiql( 5k:-/yhvz6y a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the scr u:,zy/5kjy( i6 mvqxyi9k-hleen?

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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 kb 3(z1d 0untuincident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit zkt0 (ud31nbu. 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 m002q8m tb;e o3td xhz0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe fro z q0m2mdoht; 08etbx3m 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 sjvfu bj2:x a).l e3fa-lit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. buljfj:av f a-)2.e3x 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 3- ,a/g+vsa v(noz evjw*)ifxwith 7000 lines per centimeter, its second ordergv3ina- v /osj)f (exv* ,+azw 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 lines per cm. The angle bebdl 7ygy0x-,xtween the central maximum and thexgb- 7yl0yd, x fourth 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 ruled witjbstk6/-)nz l 2clke:jlv; u:h 50,000 lines. The slkjj: vzln6/t e bcs)-:;2ul kecond-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 peig93)f: aqsod/ c8kss9qeng 9sl 9t/roduces 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 s/os)tef8se9cd gasg9/lk9q q 3in:9 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 the rzje6 2 ggsgo72f)se3angular sepo6sggf) 2 2j3egz 7seraration 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 spread out into spectral hues by a grating. If the grating ha ntcg9 wjala5 j9pu sz;7f/37ss 2000 lines per centimeter, at what angle wsns7ga97w5uf;j lpja 9z /c 3till red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calix7/ zdhu gf(8+6 as0lora uy3vj3pim7brate a grating. If the first-order maximum occurp3f7g60jai y3vrlh+7oaxu 8mds zu/( s 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 a grati,ncj2:urp,*6mlao zy ng. If the third-order maximum of the diffraction pattern in: pol,62 m,yjczr*uas 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 652rr7w q socograting. If the third-os2wq5rco 7 r6order 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 lnr) ru4f7 c6r;qizil.-blt/ 4om;pmv ong is separated from another glass plate at one end by a strand of someone's f i6rb4);v7loc t-m.z qr /uln 4r;pmihair (diameter 0.010 mm). How far apart are 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 ofqd7, y6ls-s3ji5jy ny 1.33. What minimum thickness of this bubble will ensure maximum reflectanc y i ny,s3yq7s-l5djj6e 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 fdy00u 6t c*icmlg9 ze*ilm ( n = 1.33). What is the minimum thi9d 0lm* c6zt*gi e0cuyckness of film that will 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 = 1.304h :a sp+u)ffs) on a glass lens (n = 1.50) for wavelength 500 nm?+a:uf4 fsph s)

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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 vj.wh et+p3q1b gw0oqy 8z a 7-4ropn63deeh/the intensity of the transmitted light is 1. A second ideal polaeq 34ed 0.y/ agv 6j-o1op+3pwthrw7 hzqb 8nerizer 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 rot8ebatsi54: a oil09qe ated $30^{\circ}$ 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 s 8m7g8fhgwpz7s 8.smctrikes a flat piece of glass at an angle of mc88.psws7h zgf7 8gm$57.3^{\circ}$. 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 gonvc.e8 ja84 passed through a polarizer-analyzer combination. The transmission4nga. 8vjc8eo axes of the polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflect417 z qu1k.jobmwc al,ed in calm water is comq1wajb .z ck4 1ou7m,lpletely 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 passegi,y 9rtm(:w4didk n9 ol( g4ls through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyl (:tmgid4 r w9l oiy,9kg4(dnzer. 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 p /t:q0ji.h g jajth8.e /cqn.light traveling in vacuum and reflecting off a piece of glass ofjn.c/gtph a/i j.qh:e t8j.q0 index of refraction 1.48?

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