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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 princiz)wnu)n opn4:ple.
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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 statement2 (dw4pjk5 n7knk6ncn?

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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 7k:cqq wd2kb2attributed 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 attributv e944u *yftkrnrp4 ,med 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 ent(.x8t0ob b m xk t79(tryy:xllers 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 travafvj) * i q75ysua.jx*1bley;eling in air, enters a piece of glass (index ovaiub .ea j*)y1; jqs75 xfy*lf refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally t,ny.d2j l:e wpraveling in air, enters a piece of glass (index of refpl jyw n,.de2:raction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes thro: /sb7pm3k ludb9 tqt7foh 3:hugh a narrow f7:9 opts 3hm7d :bblq3htuk/slit?

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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 a3hda ifdk2;/a 3 n dmmf2my+c4s buildings, whereas light is not noticeab4d+; imka/2 3ffd2chdmmn3a yly 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 agrkgu2 i 8c: 8(q.jk16bqvm ,vl ysk(snd dark bands when light passes tr( b 8c.(m2ku6 ,glqi8ykvsjs g:1kvqhrough 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 klo7f*sl-g wvee nld7z g)ce156po1p(z4s) we 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 striking a tf qv2f*9,ce mscreen are in phase with eae, tffq2 mc9*vch 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. If thegi9 yw-8b b2ko maximum constructive interference ibk29gobyw 8 -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 lightqttc ioat: rd1 8u(fz g5h(+8g travel different paths arriving at point P. If the maximum destructive interference is to occur at point P, the 1zcq8f (grhit +( ott8agdu :5two 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 nh:nkrdhui :/ bd;3;peither side of the central bright spot in a double-slit experiment, ligh:dkhir/ : h3;nn ubpd;t from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in a double-slit+dqi vx5.d i(l experiment, light f (5vi d.qxild+rom each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the centr8f 9 . b-mpk)0ep/xwvk/vqfmsal bright spot in a double-slit experiment,fm- 0k9sxmke. vvp/p)8qfw/ b 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 bes3r ohpoa.ukwcs ug*-vc1a l3,4 //ektween the slits decreases, what happens togs ao,/c*.uw33ako4/ r-khlue s1pcv 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 di ux5zxr+ wirx:f3 i( *(y+xbnqstance 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 hal+ifruxixx zr:(w bq5nx* + (y3f?

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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 ligch8x59+txp w;d,ty3fd5v yes ht travels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives at a poin,t pv3n *wu,f) (tw- iilwrm8bt on the screen one-half wavelength behind the wave from the other si m,t3 f8rwiwubp l),w nv(-t*lit, 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 interferex zv,2hxv9hw qx j*.9sd9l8olnce fringes in a double-slit experiment if the separation ofd.sql 9l *v hv892hwo9j,zxxx 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 doublelq(4u or(7 feumx0+o i-slit interference pattern using monochromatio(qxe 7fu ( ro+im4lu0c 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 avzy e6m(b d ;3/n,hcez prism separates white light into different colorsve( 6z,c 3zm ndhbey;/ 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 dc+*v61h bzu g2p otda-4y-curainbow 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 r*a2bd:s c.uu b95r8f:nk jdathan 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 nm is6wommm,f u75 moxqdu a,5am/+ 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 thep wcv)7emp(,ci+c uw4ey7) 0 tethxv* greatest refraction when passing from air to glass wc 4 ceetvh0iyp))umx ,7pv(*7te+ cw?

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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 when 5yn8v cfr9k(e1a m-mvcd, zwr:n. zf1passing from air to glass(rmd1 c 5aevzzn-f8vcn1 :y9k .mfwr,?

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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 parallelgha h7jy5z6 hz /-c6fk sides, at an angle behh6k y /za-f h5jzgc76tween $0^{\circ}$ 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 two 8hr(pvm- t: ,pqmp2hcsx.oq 3fingers, with a very small gap between them, and looks at the lighmps-c(t83mvr q:2oh .p,qhpx t 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 ojn z fz:m7l4 m4:gbrw4t,bw fb 4xun.3f the slit increases, what happens to the width of the 4.m4nb: 4mr:tnjlxzgb347 w, ffzb wucentral 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 o iq-v4-zth*kb5al jwx;/*w-v o7 lwlh) dzs-ather one has 6000 lines per cm. Make a statement comparing the disperjqh/k- *s7- zv iblw5-awztw) vao *llh 4xd-;sion 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 wikor r/40c z)brth 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 mon/bok)rrr zc 04ochromatic 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 slic +girl -e 7jwln s4c3bn5tq-l6k are caused by 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 lighwbd y rm.p227.ljbrl-t waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomenon isybpwl jm.l 2br.dr 72-

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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 anp9sf0) g uj.hfk9y-re air boundary, there isg9sfkph0e9 -ury).j f

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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 inao,meu,u jdj-4 urc)) air, is reflected by a glass surface, there isr) ), uuo4ej mad,juc-

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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 filo,vqhha:m:+y fsbn)6b8m :pt m becomes very much thinner than the wavelength of blue light, b:f+::)mb oahh ,t 6psy8nmvqthe 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 lig 8yledu24j :oxht in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating tho uej84 :ydx2lat 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 r;gyjltl 3j 6x 5bh6.fa flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What doesh f 5g6lb6tj.y jr3;xl one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses pm km*gzk(om q-y 2ipli p:v;i u-yg+eqn,. .5can reduce glare fro q pmik+gq emvi5.(py-zukm,log. * y;n:p2i-m 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 of po-ahu gboi f)tutc0-(l9 ..y rklarization 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 7y+spjm 3t e: ba+q1wtmaterial like a Polaroid fi:j+bw 7+t smqtpy e31alm?

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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 perpexpj9 b6vygv- e0vnucn: 0,i0zo20nfdndicular to each other, what isj20dc9 :iog 0pube z6yvnxv0,n 0fv-n the percentage of the incident 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 surface y,g pc b/ emmj5z *,ff6o 9zw*,+dlmprof 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 great7qyxl1jz +w +dest 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 Njq6xm+t(r-q li+r*hi /qe (t mOT 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 ahc8 j v1k)cmxjf6q -/zppears to be more blue toward the zenith (overhead) than it does kjmx-8cf1 z6/)jv qhc toward the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which hrkw u2k/vi)r0-bgo+ idb* w g 67iavv3as an index of refractioikvu)+bgodvv 607wa i 3r-i/2wk gbr*n 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 e qxf9w)( up0yvacuum. It passes into glass, which has an index of refraction of 1.50(9 upyx )0weqf. 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 vacob (t2m+ iznpyqy+ ;q8uum. It passes into glass, which has an index of refraction of 1.50. +qp+ybi n; q ty(2omz8 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 found to travelt, srz.j j0uh; 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 to travel a+;3bn8sf)xglq3, q2 qidb kpv t $1.96 \times 10^8 \; m/s$ 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 fo9u4vi:a svm9w und 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. Monochun*,ebrm 97 x-xo*kffk63 mecromatic light falls on these slits, and prcb-f*e39x7feuk* k ,xom 6mnr oduces a fifth 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 al2g , jrtw/2qawlk8+ m double-slit and the third order bright fringe is seen at an angle of 2l/8wmq r t w2lkg+a,j$6.5^{\circ}$. 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 separationk//teg5ujd x9 ; u*7 b1ypctmf between the two slits is 0.050 mm and the distance from the slits to a screen is 2t/1;5ekj 9dtpuf* 7guyx mc/b.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 ljkk96jzico. /* 5nynx6 xn.emm, and two wavelengths, 7 .y 5/kknc6nx .i9jlnoxe6z* j50 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 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. Monochromatir n7f e.r4.y5myanpm- c light of wavelength 634 nm falls on the slits. If there yrfr. 4mp emn.n 5ya-7is a screen 6.0 m away, 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 setwg lk 7,psur tog(l/*-up 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 separation between the third-order bright fringe and the zeroth-g* ,ro/l(l- ug t7pwksorder 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 cwv)bypt)sb43f ty ( p,ontaining two 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. Determine thsfp)w)b v, 4yptt3by(e 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 (xf dikp)bw7i1n n5(v* -lsod8 wavelength 670 nm) is incident on a thick piece of glass atk *psi( vdiow7 n)-81bxfdln5 $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What is the angular wibl35; bwv17n.scx6keh h6)yu8x en zddth of the ceb5)v 6s;ke ny 76h.lxwue18d xbznh3cntral 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 illumb;. +cu s.rnd5m(pvv oinated by light of 550 nm wavelength. What is the angular separation betom( nb.cv.d;u v r5p+sween 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 o5 -qus3wng)sx/dp day /8c7con a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the seq3sw78 c pg)d5un /sy/docax- cond 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 ikj:vx9y: we 6rncident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1. :6rx wy9vjek: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 ni ,j4 hm )ecy9x(,13i +3)yrcndxnacgt edu1mm. An observing ( 4den1 iuitgryd3 ceca)j,,hcxn13x 9ny )+mscreen is placed 2.00 m from the slit. Find the position of the first order dark 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 580 nm is incident on a slit of width 0.300 mm. An os/6zlo)yg- zhbserving screen is placed 2.0 g6)z/z-oyhls 0 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 g 5fzs j4gm zf)z2vl91a grating with 7000 lines per centimeter, its second order maximum is at 9l2 m51zfjvfszgz 4 )g$62.4^{\circ}$. 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 wk +y-szq-opap255tfangle between the central maximum and the fourth order t2po 5 zpa-kw qsf-y5+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 gre(p.1w4ztr5l fw.ud xating that is 75 mm wide and ruled with 50,000 l.rpz exud5lw1f 4w (t.ines. 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 nm waf(-s j3udanvr3w -ia bpg88z*z 8ytc2velength 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 when it passes through the same diffraction grating. What is the c8-ygr*bs juvzz2anitf8 3dw8a -3 (pwavelength 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 ceos6wu zc: x5b4ntimeter ruled on it. What is the angular sw o:zx 5s64bcueparation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If the gratin fr+u6:vux0ae g has 2000 lines per centimeter, at what angle will red light (640 nm) appearrfa6uu:+v0 ex 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 0 8x0nnc68+ae4 hx aq wrdc6ky4ciq2 ph 53hpenm) is used to calibrate a grating. If the first-order maximum chh4nxq3d6qy4c h0ax28w5rp e+p06ak8e inc occurs 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 normidj: b94 (abnvally on a grating. If the third-ord4d9:nbavib j( er maximum of the diffraction 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 incitfu7z v:z +:wg0,ib q85v xulydent normally on a grating. If the third-o: uf +xwyt5,gl7i8z0:z qbvv urder 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 sext3gyaosx:t+*b 4* clparated 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 waobsg* ty+4 xt 3:lcax*velength 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 vx 2()s8ineak0 3mmtirefraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normallvix t8kes2mn(3mai0) y 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 film ( n = 1.33). Wwcyarll7j6v4b51x6q hat is the minimum thickness of film that will give an interference q6c5lrwy v46bjla x71 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 n.r v.w3b i:wubonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) fv.ir w.u bb:w3or 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 unpolarmpi(fmkq( uva: 0 71g5bm zf7pized light and the intensity of t p1qazmm(k(b5 0p:vm ufgf77ihe 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 preferreso;s)e o veq*/d 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 anm+6(atu:fc w5,bh r j6sm8o;qk/7l i y.guj zlgle of roh f7bam+ 6j5j/ qyuul.k 8 mc,;t:6lis(zgw $57.3^{\circ}$. 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 pas. ;2j- 8xed gcqygp ti/*7bvxvsed through a polarizer-analyzer combination. The transmission agi7; q*xgxjt/p. v8ydcv e-2bxes of the polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected in cbs of58q hw;,talm water is completely polariqft5;,wh 8bo szed?

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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 th:4 bveoa4sn;j,j 0omjrough a polarizer and then an analyzer. In this process, the intensity of the light transmitted i :4j;ebsjmv o0o4,jans reduced 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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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 va)upp0,ldng3xbv0 * /f 2nzicucuum and reflecting off a piecu fd0zv3 *igncpb/xlp )u 0,2ne of glass of index of refraction 1.48?

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