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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 principch0ap z az5pfil,t0 uk4(x1m2le.
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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 falseqp12 zfi/u7m jbk-1an 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 attributed tx.ukinf8, pjvq59t8nf hk 3:y o

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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 r0h 7kvs*r* id0lwwn /cu8il7to

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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(y k f,4c7qoel lxd3n+ers 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 gze0h9a.3n6jrci po5ub 7h .y(wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of 3 7p c9jz5oaei0bn6y.u.rh hgrefraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling c(yb 3ma6rky* in air, enters a piece of glass (index of refraction 1.50), its36yakmy cb*(r 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 re/ccp h xjqi) junm -,)z-xu4z1sponsible for light spreading as it passes through a narrow sic-) m-q) jxj4n,uh uzz1pxc/ 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 obje d7g* z or00hedoy(35t*doavucts such as buildings, whereas light is not notice0 ge30or av u7ozd*otdh*d(y 5ably 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 dar/v7f;qb)p 5i1 q ljvpgk bands when light passes through two or more nqf)pl;b7v qvj51ig/ parrow 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 by ( j17jgxc ;yxp6g)6hjbjfds;.u5zle 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 ral hcej dq9tcgm.s+ *)9ys striking a screen are in phase with each other? + tjq)dccse* lmgh9.9

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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 dif r3f;+y(y zal 5r n9 dzcih5lxnt95/wqferent paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams5/axdcllqtynzy r5f h+n5z9 9(r;w 3i 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 lig3dqlx+ vxcahwxfg- a.lr7v9- (4.i krht travel different paths arriving at point P. If the maximum de -.xkgv ax vr7- .4fx9d+liq chlwra3(structive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of t*p a)2e yuh7ss90d lje0 9jnguhe central bright spot in a double-slit experiment 7pd9sj)hn sy02gea0elu9 j*u , light 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 spor+*1g(i k(zhtpp+qcd)bbi;k h+-i bgt in a double-slit experiment, ligh *kr+pcbikg 1(g)t+h ih; bb+-pq(dzit 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 on eith8p)o vslld r 8e(l9wp3er side of the central bright spot in a double-slit exp8esl8v 9r( lpdpw 3o)leriment, 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 se-b;eoe5 f4or oparation between the slits decreases, what happens to the distance between the interferenofo-;re4ob e5 ce 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 ptop;b,g 2uyp-*6 cyo k2mvws x-p3z0 is observed that the distance between adjacent maxima on a zkmv0yo;p yuw262 p*oc,bpt-x-p 3gsremote screen is 1.0 cm. What happens to the distance between 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 travels pll*ee5qxj.gu,y) / pvath $P_1$ 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 exjz7+p h dxh h3l e/4sg5po4yq:periment arrives at a point on the screen on 5 7zysdpehjq4xl3:p+ 4hgh /oe-half 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 interference fringes in a doqimcrl bp9+;:vwmi78ykr4 cc, 7pj 9b uble-slit experiment if the separation of the slits is 7 8mmcvb r+qpk9 y j,i p74b;ri:9ccwlless 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 interferencev: qcv-0krt5rk/ w (bml;0yer pattern using monoc0k mvr (5yvrl0rct; w /-qkeb:hromatic 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 expma w8-i vlw/v7lains why a prism separates white light into different colo ial7m vv-w/w8rs 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 ) id48 qv0dbgmform 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 slk4v80h1ih79 zm dhu zoightly 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 z,kepkoskg *f6 -v4+z 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 greatest refraction when passing from air vb:+s-:hv j5hm pdf)a to glass?+pjahv:5-hb sm )fvd:

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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 sc :a)n)ktye 8s2f abl4r/1nyxmallest refraction when passing from air to glas28al 1)y 4x r:fb)nyt/sekacns?

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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 par a4 mu6u*- lv/0sowsarallel sides, at an angle bet0oa-s6wu *4/ul v rmsaween $0^{\circ}$ 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 t96(+wfthk.7,2p fsl*rftxn q-vlp b u9s: muswo fingers, with a very small gap x lnbf-u 2pt:*wmfk s(q,9 9hr s+p7v.ut6fslbetween 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, i-ow 9 wz0vqm7cf the width of the slit increases, what happens to the width of the central maximum on a wmq9c-w7ov z0screen?

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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 an4co2ig/./ rtlfs 1sd xd the other one has 6000 lines per cm. Make a statement co1oss/lf /cg2ir. 4xd tmparing 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 slit s.lzfx4llhhp9w: 4g: ayk hf c-.o1* zxeparation, 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 cff. zhwyxal:h o1 -kl: 9h4*p .clzx4goncerning 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 caused5df6 7eujft;i qp:my9 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 light w8l*r vxw)4h /cq. 1hbwj)rqyw aves can interfere constructively or destructively, depending on tbwhlcr qwr4w / jx1q.8*y) h)vheir phase 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, strikes4(iuj2za h*cl an air boundary, thereh (2a*4uzclji 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, isu*ky d6 )jo/mke*wv: t reflected by a glass surface6e dk/yowuv*jkt *m):, there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film bec.0lfmh(4 d,bce lla* bomes very much thinner than the wavelength of blue light, the filldhf 4b0m,b.*( ca ellm

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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 9 e9oz)+8o ut fdxdkwl.lk+. a(uz /ulfluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.d8u lul)u+ex fk.9tzl9(a/ o +odwzk .)

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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 vqu on+:jc-9xplate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observexc9-+ n:oqjv u 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 t6hxuqmj -(5n qhe fact that certain sunglasses can reduce glare from reflected s 6(q5hxqujmn- urfaces?

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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 (69pe 7qclgdi)*sp- 5x nkdmmdirection of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like 2 49m1hry 6ssj:oh6e sft4urjtdd (jl u.d27fa Polasr4 l y2h6f.(tej:dd9j24fs6jom t rds huu71roid film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each other8 gsfvpx i 7o(6,v2srr, what is the percentage of the incident light which wisvxr 2i6p fo,gr7sv(8ll 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 lat:2s1:hs 0wgt bhxx5h ke

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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 greatest y8fble y4o-/a3h/ gpr 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 diffqktzx121 v ev2qa -hj7raction 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 blue(j960/vrzak hss ke+ u;8 br;mu2 yual toward the zenith (overhead) than it does toward the horys/(2 6suu ;+8haue b09vjk;zrar lm kizon. 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 vaiy2x2 flde2+ kcuum. It passes into glass, which has an index of refraction of 1.50. Whl2 yk2ife+2x dat 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 passes into gll*6 - ud8qbmclass, which has an index of r8l* u mqbd-6lcefraction 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 blfr6 -t4) ,gcs) * :4ovrcdrjw0 codhin a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the glc* 6)dtl4r)s4c0ro d- ch g,rvjb f:woass?

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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 i1v/xcxx o)4sy h15yj6okfxq 1pk7f 3vacuum 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 to 0m1*dv;rpm ;,hklkbz 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 550mi0h6vnq;( pbgre ,/ a nm in air 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 ligh qo:b1yg;,f5 0;qv53fg lt lo0rqxtnet falls on these slits, and produces a fifth order interference fringe at an ; vl3:;f,gl goqb5 0eqxtf r1tno0y5qangle 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 f us0c(.-/l7jgug anl the third order bright fring7.gfj sl unu /0ac-(gle 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 h y3uq tn3d8 hly,5 (uhp-jvlll,b;(f the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find theyvlujpf5l-hlyu 3(t3 ,h,qbh dl ;n(8 spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, au m/uffifd. (ocby2.0 :e1pnf nd two wavelengths, 750 nm and ufbi nep.( .f:c02umff /oyd1900 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. Monochromatic light of wavelength 634 nm 72b *o/cda +qaln)gfz falls on the slits. If there is 7n d *zaqb)/fgcal o+2a 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 Y: /tn/p xjhkz8oung's double slit setup 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. Whazhn:/ 8xtj/k pt 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 and 700pu 1oki (5dt0t 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 ti po0ktu(1d t5he 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 lm rl4sxow14f43 tp q3zight (wavelength 480 nm) and red light (wavelength 670 nm) is incident ofotrwpsz34 3 l41mq4xn 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. What is the angula 9i 0afp 50wxdqtt50sor width of the central diffraction p wis5a00x5q9 ftd0po teak?

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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 nm wavel1t ky*h eompi c83ts1*;/u mvkength. What is the angulart1/ eo mk8c vh*3*imuksyt1p; separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is inciz(nfs:3xh/ey dent on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if tf /nxyehz(:3 she 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 incidentb 85( f,ds, g iwbkptk)nq;m(h on a slit 0.20 mm wide and the diffraction pattern is produced on aqdfp ,(bkmhkiwgsb;(8 ), 5tn 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 onc s3/in;tn53 +mny ysn a slit of width 0.300 mm. An observinsn3ynys3+/in5nt c; mg screen 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 58gvdw+1gvubze9b hk8 5n 6rys1 0) (okl0 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 1u6ybn)rd9 vo w5lzg 8 vhgks b10+k(em 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 grat q9 jdsx nd:aqy2v/i58ing with 7000 lines per centimeter, its second order maximqvx5 ayidnqd 2:8/9jsum 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 c3,3wz p;q eftlines per cm. The angle between the central maximum and the fourth ofet3c,q3 wz p;rder 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 tpso-cxeiw+r0yr *.; v hat is 75 mm wide and ruled with 50,i-xos p.r0r*vc w+e ;y000 lines. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength pjve uy.-+v 7ioroduces a first-order maximum 0.350 mm from the central mu oji7vy.ev- +aximum 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 6000 lines per cent4d9 9 z6-illcocwit7jimeter 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 illuminated with a beam of light of wavelwlct i c67oi9l94zj-dength 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. -p;2xhgqz -tg .n e/hj l.sl8sIf the grating has 2000 lines per centimeter, at what n-2 8jl;lz/.qphg h-t s.xseg 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 used to calibrate a grating. If thelyyx+hru:iyn 5;h+ 3g first-order maximum occurs n ly5huh;i3g+yyx :r+ 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 is6e(ja.ws+rmmy+fd*y incident normally on a grating. If the (am*fws+rej.6 myy+d third-order 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 incident normally on a fur8f ,7k9ghs m k:z3rgrating. If the third-order maximum of the diffraction pattern i k3krf8r9z, m:u7 sghfs 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 i /y2noeuh/3wh ; )uqrts separated from another glass plate at one end by a strand of someone's hair (diameter rwn heo)thq/y/u u23;0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 3 s0dooyxv(3;0e +68s k 9mkijicny yo1.33. What minimum thickness of this bubbl; j9em03c+x ysd83no(k vyioyo 0ks i6e 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 5phx *tm(+4kcugi 1,ce00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference whxck(+h,cigem *1t up4 en 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 ,lm c* t19ajcp*k ,gv5y mr55d 2jmnwcfilm coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nmnwvcrm*5c2p j5m t*y1amk,cl9 d,g5j?

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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 intensity *bsil s*(irg,m h-)dt of the transmitted light is 1rs,tlsdh)-*( gim*b i . 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 itv67uusz 8 ea4m5fl 2c9mtwbc+85wbdvs 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 of m5jkg;3 yk:wh j35m k:wgk;y h$57.3^{\circ}$. 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 ad.o kg5ca11lronzn3 9 +fmn 7h polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are at9a.1k hc n3d7 fn1romzgl 5n+o $30.0^{\circ}$ 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 im6bsibpdhf c v4c 2- 7kj7nxk )4vfe;f1age reflected in calm water is c4f 2j7)kps xebdv f c1nhc6ib -v7;f4kompletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer and then an analyzer. In this procez:xwq 2d rx-t*ss, the intensity of the light transmitted is redq: *rt2- xxzwduced 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 vacuum and reflect..ab(eeky + b0dyy-oting off a pi( .ye.at0-okd by eyb+ece of glass of index of refraction 1.48?

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