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习题练习：Physics Unit24: Wave Nature of Light
本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 84 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://tiku.one/test84.html
 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 principlex+ba1qjov +ph4q 1m;m .
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followin) ,6zh kzcxfd5g is 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 attributedtc 1xrk hig8:4f r:2qo 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 attribudv*yoleec4 c ijd7 4vli;r+7+ ted 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 wy c)3d(ga9s(oy z;oqinto 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 (2 pvzt;6im ob3wavelength = 590 nm), originally traveling in air, enters a piece of glass;v 2oti3bzp 6m (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 = e )sb1q t(yu 3*;xmdho590 nm), originally traveling in air, enters a piece of glass (index of refractdo x)s;1ym(*buq t3h eion 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,yi7h s6ah dt ejli(d)f8z 7u( for light spreading as it passes through a narrow sfd adh)t67,sl y8ihzie7(j (ulit?

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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 objectsc691nvn6m xy i such as buildings, whereas light is not noticeabl1n vxnm96y ic6y 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 light and dark bands when lig4e :;qfgem z ac)q3z-rht pae -cf3 rq: 4z;)qeagzmsses through 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 wpy v8l)es4p0bh)ri2 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 ,rtg4pdcb 3h/ striking a screen are in phase wit /dh3t4 bcgpr,h 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 zx jc,2j0 zw jyi:7l8.rjgb0d, v v3zrpoint P. If the maximum constructive interferencrrzyjbdx2 cz wj,vvjz03ig 7 80,l:j.e 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. If qum9z2g6 4cv,30 wr wb :xih3a tyog+zthe maximum destructive interference is to occur at point P, the two beamsg:vcat2i 4o+zgu,q9zr x wm3b 06w yh3 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 shpncc u8u a.+)ide of the central bright spot in a double-slit experiment, light from each openinga uu+n)p ch8.c 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 oaf mri1aa ,+k5jhc,5j.frjl tfiu9+ f /.ga0dn either side of the central bright spot in a double-slit experiment, lui+1htg af/5.f j9m lfi,r5., ajc 0+a farkjdight 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 onk whz 7ih0o**e either side of the central bright spot in a double-slit expeiez07 k **howhriment, 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 slitnb2 6;h d0rmwb+ csod/s decreases, what happens to the distance between the interference fring+;ombnsdh/br d2c6w 0es?

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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, it2nqm;pg 1k:mo is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit k mn2go1;:p qmseparation 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 li na3f/ )hbo;srght 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 You j6jjj4 1ej0thrkj9ru x z 3hm7b7i1)2 ih9rdqng's double slit experiment arrives at a point on the screen one-half9t67r j3rih4k9dj1jexj2jrz 1um7q0 ji hbh ) 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 interferencis k2e7p jmz1/e fringes in a double-slit experiment if the separa7jiz k sp12m/etion 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 interference patte6avham /)1fdc rn using monochromatic l6 davafm/ ch1)ight 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 *ooi24xrz7 jb prism separates white light into different colors jb iz4o2xo7 r*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 f78v8,kdqlbh z7em) m l -tfi-aorm 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 s jtrt*h:tisfgj*: )k6) vq k)xhorter 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 lon5s 0he)ubxp4ta2lp+t ger 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 un+no7. giakxh *dergoes the greatest refraction when passing from air to gla h*+nkxo .7gaiss?

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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 refract.l: yx() y bizlh;t6bfion when passing from air to glafiyy)6lh zlt(;x bb.: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 inci y;f8o;ar+hg08s*2rbf vi nku dent on a thick glass plate with parallel sides, at an angle bet+bfr; ughi0krs *f8y2;o nva8ween $0^{\circ}$ 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 6g q8i,mpyk4v two fingers, with a very small gap between the4g, 86vpimyq km, 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 experg m/z 1+5uypp ,k9/jcdilod8;vy kq 2ximent, if the width of the slit increases, what happens to thk vpo+ckyg92ml8dzpq ;1x/ j/ydu,5i e width 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 lines per cm and the other o: w09 4sz3gkk2i6 s)z sewgvwkne has 6000 lines per cm. Make i 9veskg w 6sgkw2wz3:0sk)z4a 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 slitp71dbcl0z +ob 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 th 7 bpo1bdc0zl+e same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflection anp.wmn*-cbpw3 3k.ioghkl; w9d

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere const,jlc (;; /u.hp rxvxxhructively or destructively, depending on their prc ,lx;;x(xvju ./hph hase difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundary, th . c:k)wthu48z66yti suy*-tqk8fif qer8 6k yk)8i 4yzusqtw.- fitt:chu qf*6e 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 9akif n 09nm*vh, a0jwby a glass surface, *w0 i,0h9ja anvknmf 9there 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. A4w x6tnxsf27 zs the film becomes very much thinner than the wavelength of blue light, the film z w74nxstf62x

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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 is th,)b 45w/tm x tpq0hllbe minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelengt) xpl5 hbb,wtt/ml4q0h? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and il:m .g ml3w(92yi *z(5w4eti jwlol qmpluminated 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 lens and the glass plate are in direct cojlww *:.4mpti9 5eqli 2( mm(3ylwzog ntact?

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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 theo0g c):kvvm qer m2+r7 fact that certain sunglasses can reduce glare from reflected sur7)vrcr+me2q:o0 k g mvfaces?

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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 polarization is defined 1a4q5ccw,rwkg-0fu s 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 zw/ zwm*u-e7etvfz,, material like a Polarw,m,-e*uw ztzzf7e /v oid 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 Polara s:25ilyw2b *wf c59m6biyxjoid films are perpendicular to each other, what is the percentage of the incident li59m* bs2:w iba5fj6xy2ycwlight 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 frf+s:rh1fb gj( om the surface 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 1 ssk/ 2bn46fk crq2gmgreatest 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 NOT exhif7d5z3 47mjz)p e ylenbited?

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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 zenith (overhead) thakbj +l x i2o6c1hp9zs.n it does toward the horizon. T 1bhsxlkj o9+ic6. zp2his 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 vazq*p 8z6sxt 8dcuum. It passes into glass, which has an index8 z8*t6sqd xpz of refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuu-f/ f*mou ap/wm. It passes into glass, which has an index of refruomp-ffw /*/ aaction 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 wavelength of 600 nm in a vacuum. It passes inthdg*x6q6nxy +hfyw3/)2 ym l qo glass, which has an i )2dghqx+ /m6f y3qyyln6*w hxndex of 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 tcjson 08f a4xk b*s2,in 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 air is found -ea ,qm1 me 21zwaoqp:o4hn-yto 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 v7py7)u hp, g8k txsl1n+dp ,wfound 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 fallz.cy ,bmn35w deu 21lps on these slits, and produces a fifth order interylnu 2 b5.ez1wp,3cmd ference 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 3hebxr2v ds6;1o (8uyks6lps) (p fjy575 nm falls on a double-slit and the third order bright fringe is seen at an anglbyokrudx8(( 1s shl2 yf36vp )pj6 ;ese 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 thn* itf4wkv5 ym j492lee two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, fn lt4wk y*je9fv2 45miind 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 slitbqq(v -dgac1dw8r.a*2 g) jop separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placedv.a qgqrdbgjp)21w8 a-o (c* d 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. Monow-o ld(0 i8 8osgn*hmy:bvf) hchromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjag dhb 0h:s8f*o)my8- i(ovw lncent 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 setup that has a slip6pwa- /ma(b t bfw3 ypgcl9*92qud3it separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order brigh26 (*tw-ubfa qpld/wgmpa99 33b ip cyt 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 700 nm, strikes 24r ho psj(47rtpk 2lua plain piece of glass at an angle of incidenkr(p hs2 4jor2t7ul4pce of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue t jr0i6z df4*ulight (wavelength 480 nm) and red light (wavelength 670 nm) ijuf trz0di4 *6s 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 ei(3 2lw9dxe yslit of width 0.20 mm. What is the angular width of the central diffrac ywe2i el93dx(tion 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 illumi9 ,uzltaz(y7 rnated by light of 550 nm wavelength. What is the angular separation between the f 7utr azyl9,z(irst 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 )ln*/oz( lvf oslit 0.75 mm wide. At what distanl oon(fv/l *z)ce 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 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 incide apb0;yo/whp/2larw 1 nt on a slit 0.20 mm wide and the diffraction lh/;w/br wapo10p ay2pattern 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 observin+3+ v9wzal x /9wfjcagg screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the cen azxc/9 wjw+3fvg9la +ter 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 in(/ llfrjf )a;ycident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maximufllf ; /j)(ayrm.

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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 xc:j / ds6 912pr ;qp6tealpoplines per centimeter, its second orderr2p6lqat :edpx;ppj16c o9/s 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 ver9 xe35m(xzw psn5gu0h8,t per cm. The angle between the central maximum and t(w 5eshxp 3t ,g8m0ezxvn95ru he 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 incd k;.df.zrdv, ident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order ; r.dvdk f.,dzmaximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength produces;vquhsd49/u x a first-order maximum 0.350 mm f /xdsquvuh9;4 rom the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 600*m rqxwvjk7 ) ym9k8s:0 lines 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 gratinjky 7m8*9qxkm) :vw rsg 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 t2iur76vyb6 k ohe grating has 2000 lines per centimeter, at what angle will redv i7br6 yuk26o 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 rsrex b-**ow+-jnlvgbiw:3fq .2n.h to calibrate a grating. If the first-order maximum occurshn g n+jb.qv-bsr3.*fw *o:2l-eiwxr 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 gratingi26wyu5yzw de2t,s67c wa4j,znc1x w . If the third-order maximum of the diffraiwtdn6cxwwz4 ,zjysue62cy217 ,a w5 ction 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 incidentwzzk6,hcec.fm j8-atyf . /g(j /6jexbb1 g.t normally on a grating. If the third-order maximum xe 6/bz.hkfcw/ e.y jct-f, jja6b gz(8 m.1tgof 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 isk2p5 dt*. knmk separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavkk5m 2dnt pk.*elength 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. vfj6.mz6)*6c ped nuy:xa,ta What minimum thickness of this bubble will ensure maximum reflectance of normay6*x.e:d az 6, va)mp6cfjuntlly 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 ilkmmde5tqdf0zxq0 : 462f u f;eluminates a soap film ( n = 1.33). What is the minimum thickness of film that wudfd4z0ee : 2;qkm 0m65f tqfxill 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 = 1.30) on a gljdztk 1bz.8w*d+hp2z 7t5 vt*ew 9vz lass lens (n = 1.50) for wd1bwpzdztt+ 8h vwk9j7.z **e5tv2 zl avelength 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 intensks.f qxq9gzd) az n3,e5u6pv 4ity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotate 39fxvk4nazepz5 , .usq6g)dq d $40^{\circ}$ 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 x(t *m1;sue1y4up wtgfvm) k,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 pcgq x + q316xmb5;f,znok5 dhwiece of glass at an angle of gh;b o5wqx m 3zk+xdn56c,fq1 $57.3^{\circ}$. 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 throms5 bz.mh/ t8w fj8a;mugh a polarizer-analyzer combination. The transmission axes of the polz;mbstf8m5am/j8h. w arizer 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 imaqp7k*8tdg) lp ge reflected in calm water is com)kt*qdp p78l gpletely 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. xl06c l+j32 if8q +m-ywwg cntv1-k zh In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What i x+23wj z+y m-1f ti0g lwq8vn6kcc-hls 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 anay4 .hun5( nmnd reflecting off a piece of glass of index of refrac .nun54mnyha( tion 1.48?

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