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习题练习：Physics Unit24: Wave Nature of Light
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 84，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autoconfig.51fly.win/test84.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  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 principl2dt +2qrswuu3 n3f3 *az/zprde.
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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 )hry32et d-ewstatement?

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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 attributko6h3,( lch2bufv z;y wqn;q. ed 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 attributed t.m,t+d jq/ hpp7jy /uto

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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 enter;awxpc1gx; 6gotj9w /s 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 nm), originally traveling in air,33a 5o rfollrpsc)r(.9g c5kxkdby5 * enters a piece of glass (index of refraction 1.50), i orgp 9c dsoa3 rx*kbl)3kc5r.( lyf55ts 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 travelx,iq m4bvn0 );kcs84c lgb9sxibm9 c/ ing in air, enters a psqnmmcvixi9 /4x,gc8k0)4bcbs ;b 9l iece of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for litx z8*+u9aml ight spreading as it passes through a narrow s a*u+l9 izm8xtlit?

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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 sucmw:k k6) .qd*pqyu ;xoh as buildings, whereas light is not noticeably diffrpkk )qwm*o qyux:d ;.6acted. 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 alternaiynl:;sei c3cq62gx- :yrlj s( lpw+ 1ting light and dark bands when light passes thrjgx (:is1s +yp2el;36 cry:lc win-qlough 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 b m2ax-rh,zj ozk(yngm(/c;e8 e coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays stb;vhkvlm +t( 4 us+7fcriking a screen are in phase w+b(lktcus hv7f+m 4v; ith 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 point P. nhx az 4xw6gjtwe;+7* If the maximuma4 zj 7hwexn+ 6g;*wxt constructive interference 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 differentkrp.yp smnn : 8j.l(y.ry8gy. paths arriving at point P. If the maximum destructive interference is tolk yg .8y(rpyy: 8.rnnpm.js. 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 brigsvz6,6zw1un f ht spot in a double-slit experiment, light from each6vz1 u,sw6fn z 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 central bright spot in a dox q4ni7 j8.zsouble-slit experiment, light from each o.j4 i7zso8q xnpening 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 sr1wbpej ; ( wgp-ze;0lpot in a double-slit experiment, lrejl1; (-;p pw0bz gweight 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, i g-+aa su+j4rhf the separation between the slits decreases, whajg ha+ru +sa-4t 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 i.z(u.k/ ni m cb4rda.us observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance betwez nci. .(u4 ub/k.darmen adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light l0*j k: 7hlenx9fmw,c 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 experi hy*4; rg,oyr/xwpuk6e bu*mv8:dxv*ment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at ;uex6/hum:wpy *r *gvv dk,yb4*xo 8rthat 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 friye8koe 9--gt 4zq z emo0o);zg(c g,mxnges in a double-slit experiment if the separation of zgzo0to -g 9mm o8eec)e4qk z,gx-y (;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 adjace45k pybvfl3 ((-vf2sav gmb2nnt maxima in a double-slit interference pattern using monochromatic l-nf34(2a bk vy 2 5(gsvplvmfbight 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 qfkpg( 8 b h)uic,o)-nlight into different coloc - o,)pgqinhkfb)u8( rs 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 -)6wv e jexxj mld/k4j*nu )(fis

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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 wavelength6:i 0s1v g,3z7lxptqqwbotl( slightly 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 longer than 750 ;ennr-ob.knk 1yga;s1/umo6 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 greatew)cb1(p )sb hi4n:zj2hfy 3oqst refraction when passing from air to fcos1n3q )2w:hibp4b (yz )hjglass?

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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 w 1m05myr ,pkntd-a ue.hen passing from air to glap-5mk.,mtyd0r1ua n e ss?

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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.iajqh; c(*mna5v rdxd7, od9 parallel sides, at an angle between dh,o7cqr d(m.ijx 5*n ;9dava$0^{\circ}$ 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 upt 8 *xxopkq)9n two fingers, with a very small gap betweenkp9t)xox8 *nq them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the widthcewt ekl6 ,tj(f425yf:v v h5j of the slit increases, what happens to the widt(eh t,5jvyw:f2 ket64 lv f5cjh of 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 gratings; one has 4000 lin tqa27t p2e5vn5bwcm fa(u/x *es per cm and the other one has 6000 lines per cm. Make a statement c*awf2n pm5/a x(7c 5bu 2vettqomparing 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 slicp ab53;fm/8 mr 9wptrt 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 conceb3/rpt a5;p8mfm9 wrcrning 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 bylr mlp:b7r)u ow.)tm j0vpg20 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 wave)xgvhc), m5 nis can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomenov) ,gnxhci5 m)n 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,9t (xzm4d ;fmu8ww/rf which is traveling in glass, strikes an air boundary, ther(z 98 d;uxwftw4fmmr/ e 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, is reflected by a glasoeopgr * ,-pw3s surface, there i eo3-p *owpr,gs

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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 thekna-.xd* s q-x film becomes very much thinner than the wavel.xs- kqa- *dnxength 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 i;0 gpk8mgr zy8ndlf, (n magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflectinpg; r8 nzdl,k08fm( ygg 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 flatjy)jj v0xv4 o* glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does oj0jjyx vvo4)* ne 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 f lhx o-p(x-a1wact that certain sunglasses can reduce glare from reflected surfacesx 1ax-w-plho(?

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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 directba8ut/yfj :/6im :rflion 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 o;;n3 xje,gekk+:( csbme vi( obtain polarized light in a dichroic material like a Polas, (k ck e(x+;beo ;v:ie3mngjroid 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 twtjp1(ktu x,pc-76vuk o Polaroid films are perpendicular to each other, what is the percentage of the incidenk6cu1-p vk7(ttj p,uxt 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 surady: 3lob8 +7da 7utkrface 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 suna f4haa- vc);fj+xe:zlight is 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 diffq/kmqyt)bq.51rz 6r kraction 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 tr6g15av tk/j8x*eo7+bl 4 wz3hxt pbeo be more blue toward the zenith (overhead) than it does toward the horizon. Thiptah5bjz*7/wext148o kgl 3+xve6b r s 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 vacuu,;oh2 nkgxu 4um. It passes into glass, which has an index of rx;u, u2kohng 4efraction 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 passeccq x.lag 6qf3no ybpk8b *3j(ky+g 77s into glass, which has an index of refraction of 1.50. What is the frequency of the liggk7*n c378la.3kbyxqyq(6op f j+ cbght 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 pa trfrz05u/2pv ;qfnr +sses into glass, which has an index of refraction of 1.50. What 0vuffnr+;r 5rzq2 p t/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 kw5;u5n92tv3ikil mq vacuum 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 aiy m+qfk1c9xl z +m8-ry8 quvh55hb7qur 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 in ab+tqd xhklj 4fq.t 56osuh k;7(pux(0ir 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 lign6x d+isg-hs0js*mb g+he u+k:ph;.m ht falls on these slits, and produces a fifth orde+n ksb*dsg+hp:-+0h.sgeuh 6j; im mx r 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 double-slit and the third or--k3m 73hxturff;i z7mukbn n;; s)grder bright frik7)f -hbsmrutfnm3r3;;;n zg- 7i uxknge is seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separkb yo/ :c-2wvxation between the two slits is 0.050 mm and the distance from the slits to a o vwxk: /y-bc2screen 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, td* yo-iy hk 6-bx/n3ow tu)/vlhe slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, iyx/uyi bno)k6 w *-lvh-do3t/ lluminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelength (d 2gte2 d/j*flfz)rq 634 nm falls on the slits. If there is a screen 6.0 m af/ef*dgqj2 d(lz)tr2 way, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit -twbv dh/ -h2bzloz99tb3o 1 csetup 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 st ot/ -99c2ld3bb zz vb-woh1heparation 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 tzu*,vn) sbm/u7fnd 7 y0*qt oewo wavelengths, 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 480 nm and 1.4760 at 700 nm. Determinenby7) s f u*vqdzn,u*m t7o0/e 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 red light (wav+k/w 74jo6 ztfqyu/jpelength 670 nm) is inci4z6jkfqwu/py7 +/ to jdent 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 oj 9qywnkrj7:3f width 0.20 mm. What is the angular widj yrwj7q:k93nth of 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 5506f+6:x;1 rai2ckbdo* woxzw s nm wavelength. What is the angular separation between the first two minima on either side+z2a:k sx6o *frwxobwc16;d i 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 wh-qj )6w*wtfw))fiuq i8+b nzaat distance from the slit should a screen be placed if the second dark fringe in the diffraction pf)uziq8 - w*f )n+wqta6bw)ijattern 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 izvq1vh(5n+m+l9: fcyc/y lzz b q pi37ncident on a slit 0.20 mm wide and the diffraction qqbzply: iz 3/+5c ymzv1+nf(9lc h v7pattern 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 0.300 mm. An objgokss-h43*h2yf;, kxqr y:b*45hlp qbdsj)serving screen is placed 2.00 m from the slit. Find the position of the first order dark 4-yjs*2f k453s,qso phq;lb:y kbjg hh*dxr) 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 b) e-qhl tum wm cm:vv8*d*zd6pt5u81580 nm is incident on a slit of width 0.300 mm. An observing screh q6vwe:cpmtd* - lt )dub1mz88v* m5uen is placed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its second ordq ,ax6hds:s:t(q igo-dq yuki+d14k 0 er maximi+ x-:hsdg 4sdqa0y k1:( uq6kit,od qum 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 k8 v-f.6dpn +zgjzu;mper cm. The angle between the central maximum and the fourth orfv-g mz6+k8dn.upj; zder 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 r5xi-m 3l ut(n )lmce;culed with 50,000 lines. The second-order maxim3t 5mcl; ln (euic)m-xum 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 wavele9grgfcpd j.rll8uvg*s fj54 lu q5 (4s+5j hw9ngth produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maxi+gh8(9.* lwgvl5cjsfgsur d54 4q r9p5ujjflmum 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 0+eku e q5-hmjper 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 grating is illuminated5q-k mejeh0+u 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 h;vcc:y 31yluoues by a grating. If the grating has 2000 lines per centimeter, at whatyc3ouv1 cy ;l: 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 3 p54(mickts oqf.4cy) is used to calibrate a grating. If the first-order maximum occurs at cis5.y (3f tqco44k mp$20.5^{\circ}$, 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 incid4cs .x.-xi* d)ru wnzqrk8oa+ent normally on a grating. If the third-order maximum of the diffractia).kro+x* 8-driwsu.c qxz4non 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 normally on a grati)f yzlyjb )n,7 y*(vgpng. If the thiryjpyzv *b) (,7lgy) fnd-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 g t4dndd.pn86rlass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nt8ndp .r dn46dm?

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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. q 5 t+nvz6qr xoy7k).4fhs7xn What minimum thickness of thisy7 )v5sx n.zoq7 +f qkr4x6htn bubble 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 wfq )h 6omh .y,eu 1 l:-cs,mymj*xcs)film ( n = 1.33). What is the minimum thickness of film that will giv6l * )m1)sh:mf-uwx ocyc. h,me,yqsj e 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 n6 ix2f;jzg) z-g n ab39w2nfvnonreflecting film coating (n = 1.30) on a glass lens zn )nnxzb36 gfv2- fiw2ga9; j(n = 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 of unpolarized light x.4cyru6p )fnp:m 2 uiand the intensity of theurmxif.y 4nu:pp)26 c 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 k z/mv7sxdaj .,l8jd0xo,gp5 preferred direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an angle ofq tzvfc 0d idv2f ,53ek+9kvtb8d )n7x kbf+ t c2v0tdz),kv dixe5dq7v3f 8n 9$57.3^{\circ}$. 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 isl34 voyv-5er h passed through a polarizer-analyzer combination. The transmission axes of the pol-hr4vyvo3 l5earizer 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 ,)j 9mm2 mmc2 eraij*cqf;k-dreflected in calm water is commmq9 ,i-j2mdckc2* afrem )j ;pletely 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 poloopos j(:i+g:o 2f6qtm )9 xqnarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of themqqoo(t: 9j+)g fx s:6ooinp2 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 lightb)uwa bk/st )x-wn.6g)h ihje:3-u*ydcnd*l traveling in vacuum and reflecting off a piece of glass of index of refracti h3 hd*)sa tgjdlibu wun 6n--:e))/bkwc*yx.on 1.48?

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