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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: 游客未登录  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 principjd 47+7hkxlblle.
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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 fal/a 9*de 0zhl,g.kk g9bslnj2p se 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 attributpq.546 1yv3in7blfplbu fv 1med 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 atx+rcs 4b gcqc2ff.w3-j 9p;x l/ph r5btributed 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 qzkbt:tu 71,jmedium 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), s772u;smxxr boriginally traveling in air, enters a piece of glass (index of refra2; 7sxmx7ubrsction 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, enter)f) 4z1 3dwzmg2t yoars a piece of glass (index of refraction 1.50), its wavelena w)y3m 4g2of dztrz)1gth

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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 sprev 61n9s 4kfuvnth56unading as it passes through a narrow slit? 4nv u6k1tnfvs56nhu9

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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 buixnow q/8 7ux4u9t4wp(znrv .v ldings, whereas light is not q/z9 wuot(nxvw vp 4nru8 x4.7noticeably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating lighj1fr1xny)(y9yd4k d 9r1 c h/.etrzld t and dark bands when light passes .9cf1drj) y ytkhre94(/1 dxn1zdlrythrough 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 to be coherent tjs,++ lbehre5s9h2i 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 strikinghj; fzs/tn 19k+;8v n hg5rlrf a screen are in phase with each other?rjtl1;85fhn ;g+vs 9r/z hkn f

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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 a6if mx+uz i9n6t point P. If the maximum constructive interference is tom966fx uiz+n i 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 l2q 00+w8iko3j5/ tbagycw qapaths arriving at point P. If the maximum dest+y a i5 k3goc20 qtb8qwwa0lj/ructive 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 side of the central bright spot bka 5fs+7tv eb*aeo 7;tv-t5sjk eq .7in a double-slit experiment, light from each opeq7tsav ebkba7+jf- 5*7ve 5k tso.e;tning 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 eithep o-l(ia ed*2-8uz f.,eiq yjbr side of the central bright spot in a double-slit experiment, light fro u2e (izl-yb8od.q*ai-jf, p em 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 eitc9 5wm pn/yc (ya/vjq4qcb8s4her side of the central bright spot in a double-slit experiment, ligh4 y8p ccj (5w/van 4sbyqc9mq/t 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, i1cq*ix/ec4p ixp6v-v f the separation between the slits decreases, what happens to /pxx6cq vi14*c piev- 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 distan lvz2)fb/de;1rdm 3g0 aew :inyv5 uj9ce between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima wy19g0v ez)em:vdu5d2 rbja/l nf3;iw hen 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 travels n o rz-f,e+ bf:-usea9path $P_1$ 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 point ow4:k956pxd,l vzu ztan the screen one-half wavelength behind the wave from the other slit, which is obser:av5,dzkl9wpzx6u t4 ved 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 impossiert/n+c*.tnd1e aqs 5 ble to obtain interference fringes in a double-slit experiment if the se q/ 5tsen*.an1+t drceparation 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 maxima in a double-slit 1 upb br(oa37d0. iz 8k n75lfaas5sktinterference pattern using monochromatic korl75adz ba p3un f ksib1t5s7.08(a 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 differ9kk v q4l8 9tva-(cdjjz3u -vzent col 9-vukj j k4cq3d9-zzatv( 8lvors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow to form isrpo 0q8i: 5dgg

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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 shorter than 400 nm is cn 8kd 6(4qpezr rjb2mp0:d 1nkm ;gvp6alled

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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 kcj v*0 ma-50ulpxmv7 mrg 5o3is 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 undergo2m)r lxqz;ouuw :y f:ivx(g f9x35v:ses the greatest refraction when passing from air to g :v5xxw:m:y;z )sg9fuufqr2lio x3(vlass?

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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 refrhfol4m- 52pm-5amba zaction when passing from air to g-opfmham mz 55a- bl24lass?

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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 plater7mtjru 3ls 9/ with parallel sides, at an angle7m93/s lt rjur 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 d23ey0zy37fo; s h-(gixs qdknistant light source. If she now holds up two fingers, with a v;03ksxye ofsh 7 n3ygqdz2i( -ery 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 diffractios9y9nhz:h o qk*s*x d8n experiment, if the width of the slit increases, what happens to the width hx9 zs *sdno:8 *ykh9qof the central 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 gratins,s;9z( crb)cdb u vs:gs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement compariuvb sz)sc:(sr ,dbc ;9ng 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 gratingqb5he,*fy.1lmpea2 a*j 9 pa ys with the same 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 light, make a statement concerning the separation beth 5e1pab yl,*.aaf2 9me ypjq*ween the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflection9h.t s6n imi3b+(ywkq 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 w .dx)gy i c3w,+uk2tgwaves can interfere constructively or destructively, depending on their phase difference.w2 +c3y, giwu xt.gk)d 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 t3y3 t692oqv2 zfun ek2,eza hpraveling in glass, strikes an air boundary, there is39to2uz2 y3qkep2ehza 6n,fv

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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 iz 7wjp03 dzw ;an(xco)n air, is reflected by a glass surface, there0 z73a)c pj d;won(zxw 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 t:s 7-d wt rr5*nwd7u6(dsfqjahinner than the wavelength ordq(ar6dd tnuw5 j*:w7-ss7 ff 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 magnesi hy7+r)ixvpx ydt.qo6d*f5 x(um 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 y r6)ifd7v d.yx( tq*o+xphx5 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 onkk /;/;nt m0 mumutfwr)py, +is5w lo: a flat glass plate and illuminated from above 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 le;rom0fw,imkytut mlw: ) s;k/+u/n p5ns 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 factjl x*ja7)bi3hnyd,-rc u lpz-w9l0o+ that certain sunglasses can reduce glare from reflected surfacesyoc7,bi0 p9w rad+)3 l hxu-l-lzn*jj?

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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, thlaek 3 ckpjg(parj5k2nwy j* 2.751xse direction 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,lhw,klf)tead 7l/ 26 l xb+ax Polaro ld/extl+abfh6 k 7a),lw2, xlid 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 perpendl(o.ov4juo oe. /ih6micular to each other, what is the percentage of the incident light which will pass the twooo4m6(i.o e/ljouv .h 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 suvylm8:u9 tsi t ,c8i)urface 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 gr:81g e(yo cg(exju3zq eatest 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 diffraction NO6ndd .lp/ fknl.iq1 b9T 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 zedj9l2awy0r a +nith (overhead) than it does toward the hdr09ya j w2+laorizon. 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 ak-t r7dxy4uv8r8nvy* vacuum. It passes into glass, which has an index of refraction of 1.50. What v*uy8 k t 7y4v-8rxrdnis 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. lt.cju ru1 .8ds6xzc7It passes into glass, which has an index of refraction of 1.50. What i 7xs6c.ljuzu1d r.8tcs 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 wavelength of 600 ah oy4ei0dlx x.+- io,nm in a vacuum. It passes into glass, which has an index of e+i. ,xh0i ayodx4ol -refraction of 1.50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum ia0vh ss54 h/zvs 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 found 8aorqx:-rnf0w .k jg yk2( *wito 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 tranqgv8cdgh 68nkrn1 )(vel 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 lighizhar)-, 7 iqqt falls on these slits, and produces a fifth order interference fringe a -qq za)ii,7rht 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 doubc)jw4 *lhnp3 r 7z3wrqle-slit and the third order bright fringe is seen at r3w3qnhj*r4)plwz 7 c 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 slitsmcqvd;i/7z y.c 9rz mfnq: ( -j0vdo0o is 0.050 mm and the distance from the slits to a smo;qic7dm0vcz -o y0/ rjqz : v.fn(d9creen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two waveleng342nyc slk otd1q )jo(ths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the )nk42 (qo3oytl1d scj 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. Monochr*ys qokfs9 51ar* njndy.41jeomatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, d*rf.nnsk*jy aoy4 q1 je1s95how 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 Yo4.gn8j xb xxk1ung's double slit setup that has a slit separation of 30.0 mm. The resultantb jnkx14. x8xg bright fringe separation 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 wavelws8lv/y-6q6ck5yp p wengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at yk- q 6ww6pls8/ypv c5480 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 bluen,3z e mz00jkuw 2nnq( light (wavelength 480 nm) and red light (wavelength 670 nm) is i(3nwzmu 02 zjek,n0nqncident 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. Whah;z. j*tklj/tj (mmb4t is the angular width of the central m;k.*t 4(j/ jb lmtzhjdiffraction 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 nhs 5 k2e y tc.s47/1fbd51 tdg*pognpem wavelength. What is the angu egk2db ts*pe5h. 4dn75st ygcf/o1p1lar 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 a single sl( 2/zrk.c.yxusd dm8 jit 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 1d 2(8.djruy.xsck m/z.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 o9 4 hv -xtr-gcrugjv2.n a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the xt.j rc92gugvrv4h- -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 ff5wf)c z- n9hwidth 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe frfwf- 9 z)fnh5com 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 widwxi/j 1g t2ju)th 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central max)w j giu1jtx2/imum.

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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, its ztf 4u1:jjwzn)+. a;imtlc3j second order maj:t4jij 1mf .uawct3; +lznz)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 per cm. The angle between the central maxi3 ak8 j+pchnxq-)+*bzmhnym )mum and the foum8n h*-3c) yhkmjp)axzqbn++rth 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 ru-xv lbn3+.jap led with 50,000 b.p-+nvxjal 3 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 2s cwkijluy 1*qpwi9 81u yag/ m-+wk6nm 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 wwya 9k1p6cg-iyu li/s2 +jwmw1qk*8u hen 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 linesr*zzsj igg ) 16o7y 8vhc(tup nif,t.+ per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the gs.v7gz 6fip yc,z18hui*to tgrnj +()rating 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 sm2 qbkk 1 tm(:x.wkxk4b2mv2j pectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first 2 kvx.t 4w1bmmxm :kqjkb2 k2(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) t . d//dpn+ xnwi6 i+8qfvm0yais used to calibrate a grating. If the first-order maximum occ. fm8+i/ ynqxtw0n6advi +dp/urs 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 oug6 .;zc i7qm +wqmm0vn a grating. If the third-order maximum of the diffractq+zi 0qg.mwc 76vumm; ion 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 normall-izeovz a4+i s-7b1eky on a grating. If the third eo+keia - 1bsi-z4zv7-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 glass plate - .m9hlo+pglg:4p dk tat one end by a strand of someone's hah:dk4tm gl-gp.ol 9+p ir (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*mfoav9 ox 1e9 refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengt9*oafeomv1x 9 h 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 = lioxe b eh;f5/3/to-r 1.33). What is the minimum thickness of film that wix3eiorb/-e / l o;thf5ll 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 nonbjs ;ti4:(od segys21 reflecting film coating (n = 1.30) on a glass lens (ds s;ji e4ot:y(1sbg2n = 1.50) 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 ofv;ot :3v ,s 4alaej+rb unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with it,:t+3j ;lrbvova e4ass 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 directd-y- 2hvhhvgavstt05 : 2lsd 2ion 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 anggghv 63( d:kobqwq;8z1fk 2wale of kbw og awq3hz2:q kg1(f;vd86$57.3^{\circ}$. 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-l )nzdgcn/q,f ,-8:bg+exv pc analyzer combination. The transmission axes of the polarizer and the analyzerzf,gepdng:x-)+ c/ ,q 8 clbnv 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 thumphx *7,u )/xwkfs-ye Moon when its image reflected in calm water is compley)p7s *xhw mf -k,uux/tely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this pr 8sem8c 1,/dbd0fat-j8z rd buocess, the intensity of the light transmitted is reduced to 10% of the iz 18 cjr8/b0mdatue8b fdd,s-ntensity 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 c7ggkvx1f:y9 l*ivs angle for light traveling in vacuum and reflecting off a piece of gl sixvlg9.c71: vf *gkyass of index of refraction 1.48?

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