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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 principxk3.y(u0qyp.2r f m vble.
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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 statemeiap5 jh-8on6xp;c .n nnt?

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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 attrsd53wg 5uqf m9ibuted 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 attribu9qy 4 (r,s tf 6(n*mvvbhpvrn0ted 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 medi4a)s8j ax1v meum 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 (wavlms81 /k12udum bet rmfv;,g f8jwf;4elength = 590 nm), originally traveling in air, enters a piecesv4lr8um8,; fwuft em g1j2m/; fdbk 1 of glass (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), 2ftgxhb czueb6 8d005 originally traveling in air, enters a piece of glass (ihf0t gc620ebz85xd u bndex 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 responsiblxoucnmv;t5 5*g dd: r1gqv+rcz(3m0je for light spreading as it passes through a narrow s r (50xc1gvdzunr 3 *vqog5:;tjm+dmc lit?

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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 buildings, whereas xkk:vp 3s)z.j light is not noticeably diffracted. kv )pkj:.sz3x 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 anfq v2rw6)b.wjd dark bands when light passes through two or6bwj.q2r w vf) 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 cotlk*bz bx5ka2h 2w8*0er eih 86beph5herent 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 wz7o (b+r6/gpryjeia (if o79screen are in phase with each otho97ji 6i rgayob7((ew/+zrf per?

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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 arri:4-7g ktwtz)u *p/yo z2nbc j1.bhiua ving at point P. If the maximum constructive interference is to occur at point P, the two bebp4/yzota zw b-:uiu) ng*7 j1.k2tch ams 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 difmq+; 7i ;w x rl7)lq.mrjh-sbhferent paths arriving at point P. If the maximum destructive interference is to occur atxr lh77ri-;qw lb.h ; s+)qmjm 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 in b6 p,crp:res ,oz*r-aa double-slit experiment, light from each opening ap-zo:acer,p* ,s rr6b rrives

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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 eithr3*pgs ex3 eg 9pp3ta6er side of the central bright spot in a double-slit experiment, light from each ot3x e6 gpse3p3p rga9*pening 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-slit k; ayutf1g j57experijg1 kya5u7ft; ment, 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 bet wbrb:2ejp7 4pk6ubg/:/dtnqe. ml7iween the slits decreases, what happens to the distance between the interferenc b:6nli7b ugb./ erpp4 d2/7w: mkjteqe 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 th h*6/sawihra ihof + y( mqs vtkso5+7mz82*c*at the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in halfw* s+ (6ci *i o+qh8mysokt7/za2*fmavr5hh s ?

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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 plrs2 (w v/:be+mm rczu+2 axi8ath $P_1$ 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 o)d7hxhv;7mgvp:3j ka)nao8 0 2j xs htf a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observ0ht:np sx;dhjmv haag2 vxo j7))k387ed 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 interfexo2cdn j4c14x u82c kxrence fringes in a double-slit experiment if the separation of the slits is less than the wavelength of thexx2dko jc8cx 2 uc14n4 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 pattern usudi5/f 0 4phqying mohf45d/ uqiy 0pnochromatic 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 ligh5xw *rfleia2sn,g y d..1 w5zct into different colowg5cas f 5d1lx2 e.w,nzy.i*rrs 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 rain0)kkk1hdo8;;jx v hx lbj, up9m)uk6vbow 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 shorter than 400 nm is calle2yj7lxlsd +ca. v/l n(uqk2m.d

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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 ld3x 3b w lzwvltg65x,8onger than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the 0ek6 d/o+ nhyza)ci9 de g4;jpgreatest refraction when passing from air to gla96k ei ya ;cz 0pj/e)oh4d+dgnss?

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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 refractinvwbg +zs86 ;oon when passing from air to gl;n v6g8ow z+bsass?

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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 es+, gez10b ix;3yud pvgx87hwjs/m1with parallel sides, at an angjb ds7,3xp h ge+uyz1gxvme i;8 01s/wle 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 distant light source. If she now holds up twk)dn;qg g .y 6syd/milyk5 ),eo fingers, with a ver. 6 e,5 ygyklyi;dnqs)dg /k)my 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 diffraction experiment, if the width of the slikhj llr.580m(z xbcp) .qaeo9t increases, what happens to the width of the central maximum on .0 kql ax b9lr5h 8.cmjpeo)(za 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 o*t4l5q fh:3f yx6muisther one has 6000 lines per cm. Make a statement comparing the dispersioi6q5s34x :m uyfltf *hn 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 mj tv m*-th7 nc*du5.vwith the same slit separation, the only difference being that one grating h* 7c-tnvj.vmuhd *t5 mas 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 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 bd6esp2nl, on0oby 76tl w06fny 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 wavesf,s..o *t9hdlxhc/g s can interfere constructively or destructively, depending on their phase difference. One consequence o. h sdflctxg/so,h 9*.f 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, w*sewqpy4l zce5y3d3f i:0p-zhich is traveling in glass, strikes an air boundary, there p:0yqzce 3fd 43ize5w*-lp ysis

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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, wh:nk 6hqq fh:-295pdhizye8 uoich is traveling in air, is reflected by a glass surface, the h hi-:59:qonz6f8hyd q puke2re 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 lipy qf 3oy- rjkg6d0//gght. As the film becomes very much thinner than tp6/yr- 0 kf/3ydggq johe wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength ofoy()mt )o;(2nmlztz z light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating thanlzzmm( 2;t ) (o)tzyot must be applied to a glass lens to make it non-reflecting 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 flat glass plate and illuminated from above rr(u47mbp kj3bf5o2 ocd2k 1l with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact ccp572fblu(bmok4dr k3 jor2 1enter 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 respoeli6qw8p ,9sihq5eaz g v648dnsible for the fact that certain sunglasses can reduce glare fr ,iip q8 8asg6qhe9 5zd6lw4veom reflected 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 or 3.avohjla1.f 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 obl wykoq*2 +f(xxl.sht8/uz3i tain polarized light in a dichroic material like a Polar/8y.fo+ hi 2(slzl *xtuxkqw3 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 o08k 6cf3h jbghf two Polaroid films are perpendicular to each other, what is the percentage of the incident lightf6bh08kg j 3ch 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 surface of a lakek w5 5ho)t 8si/sbf l.mx9f;nz

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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 ixydl vl 17fjnr 6:asa5.08 ijys 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 diffractm 6.smf n6dfv-qz2r. 22wy+du (ng,w m3xshkxion NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more f9h6i*-lza o2ikdl 4(lc5s hjblue toward the zenith (overhead) than it does toward the horizon. This occurs bd46i l askjof lh2zc*(9l -h5iecause

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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. It pa fjzt;cn7i9h,6 . m7ikgtt. v7 xoovv3sses into glass, which has an index of .,tijt 7vik3vc nx7moog;.tz97h 6 vfrefraction 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 passe7d y7sf8 ozmb3s into glass, which has an index of refraction8smbfzd7y7 o 3 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;hku+oi4 0 f9+ ceszcu vacuum. It passes into glass, which has an index of ri+h4c0keszo+9 u; cufefraction 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 is fo7r :qgud9p yn*a s/gb-li*o9 i/pgxkma.it+6 und 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 ief u o47e38fjon air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found touwma ;npcwf)ox6*58 mo-1iizi o-eb . 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 ligwprchwa(f0r1r ; 8 m*8i6 xgcaht falls on these slits, and produces a fifm;* 0a6a piwhwgf8c(crr8 x1r th order 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 thi ixf(91ti;t, bs7ncc:8fluv0hdd;gu rd order bright fringe is seen att01;,( sfid;fgbn c:vci 9ud87uh xtl 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 bew0u zpmh(-w i7/1xzndtween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betwe1dn-u(w pxzih0z w7m/ en 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 wsc :1voob 1f v0/he;eis 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate 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 fro fsc behv1e0o/:1;v owm 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 o7pv* k):g wv3l gwldn;f wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferen;pkl3gnd 7v:)w v*glwce 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 tha(ksy xy3cj o09t has a slit separation of 30.0 mm. The resultant brigyoj (ykc9s03 xht 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 wavelengths, 480 nm an(luj 1 (p5yphu ;7fd;zva*owl d 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index ;pyu( jlf7z wp ud(o5a;hl1*vof 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 consiwqh2zp) ltb **eyv7 su3 rp.u-sting of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is irsel*q7t. zpph y-wv)2uu*b3 ncident 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.(57ckle qyi/x3 ewm e9 What is the angular width of the central diffraction pe/( ekixm5e 73 cylwq9eak?

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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 nm1gvqy5 u6z)ff wavelength. What is the angular separation between6zy g5qufvf)1 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 slit/2yqto kh ;/,cad,uei:yt8meiu - kq6 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern i2 /t :imq,ecot quy8ky6/ha-eudk, ; is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and mal15j(z-i /shlq fc s:9n:eythe diffraction pattern is pro mz 1lc-:lj 9s(qfe:5aihn /ysduced 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 nmicyd( ,dhs.k 0:d/ evu is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the cent(/d 0h i,.dkesvcudy :er 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 os3x,r7ed8j c0hei nx-n a slit of width 0.300 mm. An observing screen ise0rc8 i hx7e,sjdx-n3 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 v .l1t9v)r :pjo ,(2zzkmxhrha grating with 7000 lines per centimeter, its second order maxi:2vx hl(zzrvr)p ,.1to kmjh9mum 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 m p6t(hic07y g9xklgl-dkk t( 6aximu6gplxgkk ( -hkcy7t6 9d (l0tim and the 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 in1.d ;q mte bz-bmr0 .ukase*1mcident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-orrbt1kd b;sm.ae *eu0q. -mm z1der 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 produces a firstez*cb 7-1k sn8 f/ cn,umqi3ap-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source proufncem3-nbpk i cqsa *87,/1zduces 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 6000 lines per centi(vi0ld l.ki 6+n 6dpjfmeter ruled on it. What is the angular separation between the second and .i(pnk6 f+ljdl6i d0vthe 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 grah5pu1a ciuu 9/ting has 2000 lines per centh1/9au ipu5 cuimeter, at what 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) is uwioubzrn /8xiz)32yx9 r 6ue)sed to calibrate a grating. If the first-order maximum occurs/ x82zxe63 z)ur wriny )obiu9 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 waveleng6+ :i vp*6gl8uwbzhu,2n hljrth 500 nm is incident normally on a grating. If the third-order maximum of the dif 26 jnip* hg6,lu8rv:hz+ uwlbfraction 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 w6k1ata3bjwl+ 0t /aa: c qj-ofavelength 500 nm is incident normally on a grating. If the third-order m l wafoj/kc-jatq60b3+t1:aaaximum 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 at one ea*ofkvzj 6p6+e9 *eip b.1bt xnd by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interkfav+ *9jei6bet .px1ob6*p zference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thickneyzk ;ug9 0 kb00gxv,dn;l sn .-qknv(tss of this bubble will ensure maximum reflectance of normally incident 530 nm wk (;knsz0vyt0nl x, g-u9kq0bd;n.vgavelength 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 5wsk6 97o xbns;00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident n 6sxwbo7 n9;ksormally 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 og,.vh o0p-w 9ht j(gkdf a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavele g.g0 hjphkt,9v ow-(dngth 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 plazze f,5 cv 5/v5o;weplel7)dcced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotazef/ ,lwcovv;)5l p5e5e 7zdc ted $40^{\circ}$ 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 rot5ng9s hmz ebi6by1/:rated $30^{\circ}$ 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 litc t6*-ga+fip5v5xfm,5p s r9grgn a5ght in air strikes a flat piece of glass at an angle of ggnrfa5g*p5si 5-p m, frtc+x65 vat9$57.3^{\circ}$. 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-analz,ja*z23 bpouyzer combination. The transmission axes of the polarizer and the anal z*, zuabj2p3oyzer 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 io isdhr/q;u,le j7v 59mage reflected in calm water is completely pola,9vsl h;q/5erjdoiu 7rized?

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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 polarie/,zmgkw 47pv2t4 -.rvp yfkrzer and then an analyzer. In this process, the intensity of the light transmitted is reducev epk7wt,pv42g r-f4zrk.m/y d to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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  What is the Brewster's ayp( j :ts )cq0jgy8-(gqhwfh *ngle for light traveling in vacuum and reflecting off a piece of glass of index of rqjfsh ph(0-tqyg g*w:8 jc(y) efraction 1.48?

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