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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 princip 361fqqusn5mfle.
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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 hv2uyorb 3d(5w5yu)vl ;/imc 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 attributed toh(efx xzc0 v/s 5siqf 8ag-3*b1 zj6ba

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attributed t qednr2h9q(g (o

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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 in xr8 wr-uvhh0su 01;uzto a medium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air7g bu;uw8g b*x, enters a piece of glass (7;xgu*b gb 8wuindex 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 nxq: )ty l:,bfdto.pb gwx5 /i*m), originally traveling in air, enters a piece y)xtib/, l 5poq.*xwfg:db:tof glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spread,4pb7ml o 6fgq-wrks5 ing as it passes through a narrow qf mp6gsrl-ow7 k b,45slit?

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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, wh,u jfm/ l5hf 4c*sxbh-ereas light is not notic 4fls/uhx*-,fmc j5h beably 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 fvt 1f),f:zqz.uath*gcs y6nh4 x ooq-jg2;9alternating light and dark bands when light passes through two or more narroof ,):.x 24 c-1ugstzz9qf f*6qojghynhat;v w 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 epyda)y h8ya * i6op94coherent 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 strikin1vz79w3drm cm g a screen are in phase with eachw cvmdrz1 3m79 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 ak5(g (vsji nd*1h 0aj w( hp kaf.ze441mdhi3ft point P. If the maximum constructive interference is to occur at point P, the two beams0(1j41ip gdf*jkf h (ahhdn3.(w4e i5msvz ak 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 diffexjg9 )3(f hc1x7iw twhrent paths arriving at point P. If the maximum destructive interference is to occur at point P, the twox )f3gwjh cwxt7i1 (9h 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 oa+uu,.(4u(mgva hm5i o 2lzy wn either side of the central bright spot in a double-slit ehzi5uwmyolg m.uua2 (,a( 4 v+xperiment, 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 cent xx.1rsug h-7;em1zzd,bt: lz ral bright spot in a double-slit experiment, gmzxhs 1: t;z,1ezru .b-dl7x light 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 either side of the central bright spot in a double-s /u60 uxp6-fds8qases lit experiment, light fdqx 6u 0ssp-8e fua/6srom

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, i 1f7uszd)(9dcm4e sj ef the separation between the slits decreases, what happens(esdu7)jm14 f9d ze cs to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between adjacent mgqzbe5:d(1g e:u,ffwaxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in : 5ffdu1bze( :e ,ggwqhalf?

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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 6*yqog es-qn) 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 nry q5b+ x10xpa Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave fro 5pnyx1x+qb0r m 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 interf rdk4yfxf.) 6fckal7:5r n8mberence fringes in a double-slit experiment if the separation of the slits is less than the wavelengtk 4y7fd.cfkb:nr5 flr)m 6ax 8h 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 maxw-. hgy7.onwsk-lx y 9ima in a double-slit interference pattern using monochromatic light iw7lgny9osk .y.w h-x -s

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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 white3qgw,polb, w: light into different colors iwpo:lb q,, w3gs

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which a w i21(,lgqhlgllows a rainbow 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 slightw;ai,5e2bw en qf .*(kg3ursu ly 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 slightli1 9 sf/jv- 3lc+d-2)u(vsbpylsbge hy longer 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 greatest refraction when passing from air e 9:5 k9eenkfoto gl k:kee 9oef9n5ass?

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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 smallesrib,qt s:v+ aha( jl5oq: ,vp5t refraction when passing from air to glat,5:v+o pvhas5 b ,jilqq( ar: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 lighhnzb1s *i++g us.bp7z t is incident on a thick glass plate with parallel sides, at an angle between s.ushbi p1b7 z*+ zn+g$0^{\circ}$ 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 fingerf 2(fqef3w.a gux9.mss, 9ef.ufs (.gm3aqw2fxwith a very 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 ex5i (-g 7 q(sbn6,qfwrc0 zlntcperiment, if the width of the slit increases, what happens 0zgbrcn(7ltf cq6( qsni -,5wto the 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 gratifi5j mvg.5sf( 9 pzoce ib);*vngs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the p(*mfjbs ii.fg);evz5 5 9ocvtwo 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 separation, the only differ8be.,/nnf5ri f7q+igngo 2pt**pha w ence being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beamtnr *fi2*b8n .h/+np, ggqa5f pwoie7 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 cnngrg 6oz.zg*uhl4, 0 aused 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 tw*.q 9qac zfd*dcfb h;,o monochromatic light waves can interfere constructively or destructively, depending on their p9*d dc,f.a hqbf* cz;qhase 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 iobc2bo5psc,m-.-z x;p don o, s traveling in glass, strikes an air boundary, there is-,ozodb,x ooppcnmbs-. c25;

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glass surk,h6jfxbr76 x9q5 xp: 8r yleyface, thebypfx69 je6,h8qyk5x7 : xr lrre 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 inh3 uu9r)( 3gxrg cqx ;n7pl,zv white light. As the film becomes very much thinner than the wavelength of blucqvlpgz 3u 7x rxh) ;gu3n9,r(e light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluorind)u. r)73ve9bbu s drde, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting rvddu eb3 n)7brs) .u9for 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 flaxjh8cdp (x8j 9ud7pxnjhq p0 98:kdg5 t glass plate and illuminated 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 g5 jx: npx 8u9c87 pd(ddpqgh 8h9jj0kxlass 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*x,e: 8eqb egu can reduce glare from reflected 8eeeb u:g*,xqsurfaces?

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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 izvs3/djklx0iy+og7*ge 5: alg qn12js 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 in5 d4ypl, x,cud a dichroic material like a Polaroi5, dl ,xuypcd4d 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 xd cm)jlzwf35x +fk(q0q8v w+vtcf0(axes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will0m qkfv(vcw q+ff()3zx8jx ct5 0dw+l 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 surfulrrzqos48wf;r/ +r6 ace 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 sunltcbu 702ckkbc3; bsi8ac6nb8ight is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction NOT exhibztlm)/nxaj6h z .e7(lited?

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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 3+. irwqldggwgj 87lx4hofld /1. p i+be more blue toward the zenith (overhead) than it does toward the horizon. This occurs because/l x4dp1+d8 jg .7rhfilw+3 .ilggoq w

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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 vaccv01tmh4 2f. 47n g bz3pnwetwuum. It passes into glass, which has an index of refraction n 7 3.e4b4 nt2 0czptwwgmhfv1of 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 passes into glaq 02nfb,g,mf5yiq 8 vi: w:hs3zg. fjcss, which has an index of refraction of 1.50. Wha 8ffzw2fcgq0j. , 5 b::vmhyinigq3s,t 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 of6m ;/ou-(fdyrywq k 2b 600 nm in a vacuum. It passes into glass, which has an index of refraction ofu w bf/mkyr;6(dyo 2-q 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 vacuq dvdr zd.zr)k1m8n*)um 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 n 9kdg/zg rl;l;xlh3wlo6iy 5) m in 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 i:s lpe:bmrjrl*w*i9 7hgiq 1)s 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. Mondbib tw,xa/:2s-;zcz ochromatic light falls on these slits, and produces a fifth order int w, b z-:2;xitcabz/dserference 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/qy,,hk lby+ q and the third order bright fringe is seen at an angl,l/ q h+qky,bye 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 the t,5manrt8r2ztdj n 4 b9wo slits is 0.050 mm and the distance from the slits to a screen is 2.5 5t8r4,9 nbdjmtraz 2nm, 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 mm, :g094 ev/;vjqfybqcs (a knu2and 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 centrg9;/f:bu ny akvse qj(v40c2qal 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 mn4zg d m*r*d s)xopa(6m* 0innm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a n0immd nx*s(n*arg* 6)zpo 4dscreen 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 setup t 8mamihb8xdf3 ln*+ e7hat 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 zerotbl7 83mnmxaed8f +h *ih-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 n bhxwv*qt- .t(m, strikes a plain piecevq(*t hx .-twb 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 the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light m t:v74o4xhp *nn+sf t(wavelength 480 nm) and red light (wavelength 670 nm) i7nohf*p+ ntx 4s 4m:vts 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 slit of width 0.20 mm. What iqp 4ozu( p4/ob89ra s y9 pk:hl gh(+fgsc2ay:s the angular width of the central qgpz l4uho+gp4:s98boy( 2 /hcaarpk 9(s: yfdiffraction 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 illuminateqfc 7foj7 xhy(g42ue6 d by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximumcjfeq4h(2 o gx7y7u6f?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At whx7 v0mqy;j5ah/i l3rh at distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to lh /y3a0i j5v mxrqh7;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 incidenv c(74e/fnytdbu)dd v(s 1xt 4t on a slit 0.20 mm wide and the diffraction pattern is produced fe ud)cyd(tt(v/1 b4sv4dnx7on 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 incidev6fw izm5aea5(v ngd,y g 6; .am6-sednt 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 vmdi f6v gm-5n;g e5ys6(az,aw ae6.dfrom 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 obse(znpag (6 ci 4mxn6uz+rving screen is placed 2.00 m from the slit. Find the width of t ng(a4xcmzui+(6nz6phe central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per ceyjjvw40*k(px 7dbq)og nfa.6 ntimeter, its second order maximdf )vjkawq604gy b noj7 .px(*um 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. Th7rod0 4d-q ybde angle between the central maxiq0rd ybdo- 47dmum 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 incident on a grating that is 7s+9x 4e+pm, avmkd7y+) wsktp5 mm wide and ruled with 50,000 lines. The second-order maximuma9xvm skk7+4dsey ) pp+wt,m + 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 produxz-3x b.d, blbces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic s blxxzb.-3bd, ource 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 centimeter ruled on it. Wha .yt+pd7kzby+t is the angular separation between the second and the third orders on the same side of the central order whept++ zbdy 7.ykn 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 tdh7jv.zuna8g 9 6 ck* di;4pjbhe grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the d 9 ug;46va8h j7.zbj*cip dnkfirst 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 hz6f8 ds k/l,1 dhlhz5used to calibrate a grating. If the first-order maximum occurs at6dkl fzd hl5s/,81hhz $20.5^{\circ}$, 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 incidel7t7 8gzr4 i-8r4vf* 2dmgikl rbwle(nt normally on a grating. If the third-order maximum of the diffraction pattern is observed d8e7zlr b4kli2gl r-g8mf (wrt *47vi 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 incidenmi1f 9ve836mn p;rstts u1 b)yt normally on a grating. If the third-order maximum of the diffracn8 myrtsm sv1e )9uibf36;1 tption 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 fro 9nvab mrr hl: kdb8y )3kp/d9o2;zwk(m another glass plate at one end by a strand of sk(nd 3 zo;)whkrv8pb2a brldm99y/k :omeone's hair (diameter 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.t (k ,cegy88-wh9pua9yjekvu 2ph d2 index of refraction of 1.33. What minimum thickness of this bubble will ensure ma92c8 e g jpdv - 98a(ekh,.u2yhuptwkyximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.p:goz v6zvw60 33). What is the minimum thickness of film that wip zzo vg0w66:vll 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 y t1po*kaijye5v5(kjfz 5h 55f rh9h6 coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nmv9k6 ap5z 5yhrf5ti* y fj(5k1e oj5hh?

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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 intenxn i+7p+ qtwfr*h,q2 4if a,0m(zwfozsity of the transmitted light is 4x (w0rp za+h+fzw m7oqqfn*i ,fi t,21. 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 preferred direction ri0s 1it r6 )a.nqnce4totated $30^{\circ}$ 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 piece2ptl 8v,7.2vn z,tjmx 8jrpkf of glass at an angle of xrzjpkm 8,tnj2p, t 7.28v vfl$57.3^{\circ}$. 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-analyzer combinatio tmwfwemuv(/;b.w5/h n. The transmission axes of the polarizer and the anal(wh wumvw/b /.e5;tmfyzer 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 imaj,augu22hoqafn 13o 4cy2 ur *ge reflected in calm water is completely polarized?4r2ouf2 qu2o,3a j agch*nyu1

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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 tv*f/m-9s ndxtai sn8 /hen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the f 9*nmvatxid/8s sn-/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 refga lp+ztbc:x ;h-; 6yjlecting off a piegjazx;hl 6c:pb-t ;+yce of glass of index of refraction 1.48?

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