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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 principlygx w4/ubgsh80 j/by1e.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followir/,iyif9zkj eer(y):tj6x ;fng is a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is attribuezius x)+,mek)z8l g3 ted 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 lighfh1 :uz vym5g7t is attributed 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 medium of different optical density,y3rr:slgn a; e*m 3a+i

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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 lightl)w) y1ag1jdd (wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refractio)d )1jd1glwa yn 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 tcnvj-d mk (*pp8( bt8traveling in air, enters a piece of glass (index of refraction 1.50), its waveleng -kt 8*8jv (p(dbnctmpth

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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 liaq zfqcxumx29:lst ;u6/pw)+ght spreading as it passes through a narrow slitt qlx2 :fmuxz; qcwp+au/9 6)s?

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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 obj-fkihn4:pm v9j 3a n9qwyu:h4ects such as buildings, whereas light is not noticeably diffracted3nh:y 9nwa4vh p-q4ifku9jm :. 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 altx )bb;j ;xdyujo f(b;-ernating light and dark bands when light passes through two or more nay)xj(bu ;;;xo -fbjbdrrow 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 coherent if tuueaf0f2np jo3sf) 32hey

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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 bx5g8y/h/zap-,qsmj we say that two light rays striking a screen are in phase with eac5 8gp yq/b/ hmx,jsz-ah 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 coherentzg iijl+tmc55 uk m0*: light travel different paths arriving at point P. If the maximum constructive interference is to occur at point Pzc*t umlii j:gm0k+55, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at pol e n8d:4notss 8+-mufint P. If the maximum8o-4s8uednfs:l t mn+ destructive 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 1iz0nf9kjb ip-d i5i 5hd9 iq(the central bright spot in a double-slit experiment, ld 9i9-bh5q5f0 jzdkniipi1(i ight 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 i7.a *-1rvi m qrf(/b.u9k utez)zqnksn a double-slit experiment, lighns1i q uz9fq.z)umtk.a7 r/ brv- k(*et 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 doub*h: y9i+ pmkiv2j.n jdle-slit experiment, light froi+ jyh:vp2md .9*jnkim

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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 betwchb d :f:xeqp8n2yg;+ een the slits decreases, what happens to the distance between the interference ;g p fbxqndch:2e:8y+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 obser(* mi xwa,8:oqy ue0r/ zewv5cved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distaa ce ezwmy(:x*wu8,5/0vqri once 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 trave -l3 jhagrl(+cls 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 experimenj+k3c)3ourla.0f zd yt arrives at a point on the screen one-half wavelength behind the wave from the other slit, whicf3dz+l )0o r 3.uyjackh 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 impossibay/6isux84mu25djws le to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the waveaxis2 uw 8 46d/u5ysjmlength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference pat:k 88m+ zs4 idhbjeb:3x cn3lutern using monochromz bxm: 8nihkb+ cjud:3438 eslatic 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 light into.y9y0upbjb 7fj n)(bc le hl*9 different colors lhp e ljun jbf0*9y)(.bb7 9cyis

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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 form iuex17 zd*ydk xv*4 1nu qdr7+gs

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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 -2je8n, ))(gul0wssi hhv riucalled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slight/5bm rjg3 .ary rxn)d6ly 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 *mgn .*zncq 4lrefraction when passing from air to glass* n*zn.4 lqmcg?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of lightm p* g/i6t:try sq+g*4k jvgb: undergoes the smallest refraction when passing from air to glass?i/*tykvt4grb *g::qjg6 sm+ p

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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)u , ko h-bt5chkqtrc9xv4c: 5 plate with parallel sides, at an angle bec,r4bttx)h9-uo kcq 5 :h5vc ktween $0^{\circ}$ 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 upwzr fl-5 i0s6n two fingers, with a very small gap between them, and looks at the light s is-znfw05rl 6ource, 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 experime exvi;,lbmr ydco6890 nt, if the width of the slit increases, what happens to the width of the central max ,9yxvdcm8e;l r06ibo imum 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 linedn mes81q75yj s per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratyqjedn sm 7185ings.

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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 withl. j4ct)3 p/n qhhv;es the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings areq)ph.c3v 4tl; /hsnje 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 n .hz xrvc6o; i ss38..9d.w2cao evyecaused 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 waves can inteuir;6dmmp us xi 4c12/rfere constructively or destructively, depending on their phase difference. One consequence of this impx1s6cu md/; i42 urphenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes adt0aqg 7y x+:in air boundary, there0a7xitgd+:qy is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a glass surf -7invfgco69vace, theo vi-f6n9v gc7re 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 becomes very much thi,o: o2wxu7s th 7wfg*lnner than the wavelength of blue light, th7ls: fg7, hu wxtw2oo*e 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 wavee539s awvsg9 wlength of light in magnesium fluoride, 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 5 avw399ss egwof 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 illumina dyg(h*kja1/ (/, 2ruihfpv moted from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. /h*v u(md1 iayg,/p r2( jhkof What does 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 facti; :ttt wp9-xy that certain sunglasses can reduce glare from reflected surt9t;w:pi y-x tfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is defineeh d2.q+kmn)nr4.* .n +i aa p3wipixhd 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 e:2imw0k- h hndichroic material like a Polaroid fm: k2ni0we hh-ilm?

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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 eanw. ;vji7 eaiu8 penzs+f9.;ech other, what is t.+7 jf npe9ez;usi;8e nvaw.i he 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 f jgqms 6(+o.1rsteqy8r 5rw.a rom the surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is greatezh9 s2 ks:e )qhl2uv/mst 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 diffractif/pgzug 2 :jyf4haqz c 2)(ij:am5j5fon 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 blv3; v w eibi/ 8 t mtiq6frx;.2.imv1fxd0e9qnue toward the zenith (overhead) than it does toward the hor8vi6iirfqqm.n;9i x/2 b;3 ee tft10x.vd wvmizon. 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 cc.t--ipp:oear* zm/,t4yt/hec *u4 b4gfx o600 nm in a vacuum. It passes into glass, which has an index oxta4,h r4-yzm //obopcp*teg. i *ccft- :eu4f refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass3 b8u7fzij kalp1q82g1z c aq+, which has an index of refraction qu8za3gbf kc1 12+i8lp a7zqj of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. Iju5jsvd4 kbbr h.2eemxf2 - /0 h()zc,xj,cllt passes into glass, which has an index of refractidj-u2hhkjceb4xvfl ,,zmlc2e5 0xb( rs . j/) on 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 fou gim r+u.fgh eck0ue403w;m v )rhc*+lnd 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 travel at e:3eat9cqdgwt bo25* $1.96 \times 10^8 \; m/s$ 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 to travel a+99lmy zo/ob c. cq 4wb)zzc(pt $1.96 \times 10^8 \; m/s$ 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 li*z df.j;gl3yg m/ z((liu vz7aght falls on these slits, and produces a fifth order interferencev(j (7 3gd*z/iglzu lmy .fa;z 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 1tr/t0xyqgfx e8ah2j ij 1a+t(ikm( 2a double-slit and the third order bright fringe is seen at a1ti 0/k ejaxmh fajg2(1 qt+y28x tri(n 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 exar6 zej;8 jl/a wyjx.9periment, if the separation between the two slits is 0.050 mm and the distance from the slits ty6/98 rja;jaz wxe lj.o a screen is 2.5 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 mm, and two wavelenzli 7h2z2z0kin am(;fgths,f7zazz(li ;0hm22kn i 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 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 apa5+isvz3 u21k*rliz7d irry b4rt. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how faz1 r52+sib3 idli *rvz7 ruky4r 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 uz9;b( cbyux7 gn /su9setup 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 thixu; 9z/g(sbc yuun79brd-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 conta19o3km3)hzddz3+mcx aw 1q t3b /k qofining two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refracqtdoq 1c 3m+z9 h fakd3xo)3 bm3k/zw1tion 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 (wavel * u/li4ctxm *iu.hxbcs ,+te8ength 480 nm) and red light (wavelength 670 nm)ux4* * ,bh+c8xt.ci/ sme tuil is 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 zohkv k ;wsd;p:gd2gk ql-4;(is the angular width of the central diffractih- lzwg4k2od; gpvs k; (dk:;qon 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 illuminated by light of 550 nm wave,;kk3 rg4ni pz96sygnlength. What is the angular separation between the first two minima on either side of the central maxny46r3sn,kz kgi;p 9g imum?

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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 whay tov1v wwz;g88c.m9swa((yit distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from zyvywwi1 ots89.; ( wvgm(ac8the 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 4jjv5dtz k +01u c3 j4g4tyffemm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the widthdz 4 1eyk tj 53tgj+fvfju4c04 of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. Anpc+bqfz/ces zq 5 .me8u8o-;l observing screen is placed 2.00 m from the sl5s+eb88o.-m; zplf qqc zue/cit. 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 mmokvne aae6,f2+eov4*y qy r18. An observing sc,f8e +keoq6yrev*a4 v2no ay1 reen is 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 a grating witq s)sx *b4c*gth 7000 lines per centimeter, its second order xs4qg)*s c*btmaximum 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 * o))a/wpd6 y yy8bccbcentral maximum and the fourth /ywa8cp by ob)*)c6dyorder 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 k6hs2r+(0va6 mca .pvpdos f4yt)+ ws is 75 mm wide and ruled with 50,000 lines. The second-order masv +(2 rom6ksas.6 p+pd 4)vh0yawctfximum 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 y *xyk+e 34zn9 js7ona /0usshproduces 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 gratinnoxsa349se*/+hn7 s yuyj zk0 g. 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 gratin*mhnsc h02/w zu u-1jbzjr(y1g has 6000 lines per centimeter ruled on it. What is the angular syj1umrncs*/ h(-uhz jb20 z1weparation 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 x5 tvpnve ,:/ 7mhgvo+into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) app7,tnhov5 :vm x v+gpe/ear 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)nxpc2 9zn*+5w5 ieozq is used to calibrate a grating. If the first-order maxim onp5i*nqez5 + wxc29zum 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 incidxa)6 qm:aqd ucg(w2:aent normally on a grating. If the thaamxc) q2(6:ua: dgq wird-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 grating. If r iib.ie1dyk lo/-ck:wt( 3r. the third-order maximum of the diffraction pattern iw..- l/ri(ydco1b ikr k3:te 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 g . wjb(v2+l rf1k shjqy3dd34ewooh /-lass plate at one end by a strand of someone's hair (diameter 0jd.4rjq-+lo 3 w yk1fs / v2hwodb(3eh.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 1.3s8x9pdst kw:j o3,xb;, nmddjv,dnq v5);g* k3. What minimum thickness of this bubble will ensure maximum reflectance of normally incidmjdwx n n*j ;3, d 5qt;xsg,, vvb8):podskk9dent 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 axw;hrw+1qtmn7py rdu6(1; g a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incideqy6a7rpd n1u r+mx(hw g;w;t1 nt 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 thiup4tzjt7 mu 73ckness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wave j 7mt4pz7ut3ulength 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 unpolarize s y68owphvo:1*+ a m3mqph3ot6t ylm.d light and the intensity of the transmitted light is 1. A second ideal polarizer is placed i 3 ta .oq636ls*1yy8tmpvh+m hmowo:p n 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 directiondk jnejmxm+ +vz7v)-4fm) b2q 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 ang cf lwku 27gyv edv*0p+-h5,xnle of 0*hcdw2-gupkv,f+ e x y7ln5v$57.3^{\circ}$. 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-ana( os9q3qs zgz hgfn6)-lyzer combination. The transmission axes of the polarizq3 hgz fo)sq(9n6-gsz er 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 ywblz4-wzk49wy *3yi the Moon when its image reflected in calm water is completely p3zl4y9wy* zkw -bi 4wyolarized?

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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 an * ,+7pvenqpjxalyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the q xve7 n,+p*pjanalyzer?

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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 reflectina-ylqimkd0 siw*( d;uw))zk ;g off a piece of glass ok)dwi)sqi za0;m lyuk( *; dw-f index of refraction 1.48?

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