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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 princ/ui+y7ab xk flru6vg4l *javj )cvei1g7a+32iple.
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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 state*3 q.ymnm,vnavm1haqx 8 gc*/ment?

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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 atsod ) rs-3aa3stributed 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 attribuhj9( w,n 3n mqh75(focd oqsz;ted 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 diff0neko9 h*o0x+tf8 b( g5awswcerent 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 isu1h3c,ndl /wljg- obdgp:3(n air, enters a piece of glass (index of refraction 1.50), itcdglnh /b(3 j,upswo l3d:-1g s 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), originallwocj)ma89q5d g8bkq3 y traveling in air, enters a piece of glass (index of refraction 1.50), its wavebdaj3q 589wom)8 gkcq length

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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 through az.: b,pnbqn5x narrow slnp.x ,5qnz:b bit?

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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 as8 ;0ucj0 qkrl e2g0liz buildings, whereas light is not noticeably diffracted. Wj0ull0g ekqi;8r z0c2 hy 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 alternr7i3w k*vytw5a)+c j yating light and dark bands when light passes *r+5tk3y) cyw 7ivawjthrough 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 sbyiq z9gl:*.o0*s6 k vy ne2praid to be 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 wu +v493swt0ry:kq 7afhmc (rstriking a screen are in phase with each ot 3 k4rwafq(w7c0rtm9+ vsyh:uher?

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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 tmn)vk9wta7 *phe maximum constructiv p 7t9w*vaknm)e interference 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 light travel different paths arriving at point P. If the wgb;/y s7jh/v9u: vflmaximum destructive interference is to occur at point P, the two beams vf/bys g7 9;luhwvj/:must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a double-sw: /n cz s5q(r kiz svbhr+x77kc8n-v*yji/0llit experiment, light from each opening achvs(c/ rz+bq8 /yn*7 :xi-5nrvks 7j0wk lzirrives

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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 onvz.me k);wz ob)9b;ie either side of the central bright spot in a double-slit experiment, light from each opening arrivzem.)e;i; w)bzk 9o bves

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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 thn u.m n40 ya3n54abz gzt5b)lye central bright spot in a double-slit experimel)4an5y54 m a.nb3ntb0gy zzu nt, 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 zt,z 7p0xyyp.(-q p mwbetween the slits decreases, what happens to the dw y-qpx ypm(z.t,z7 p0istance 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)h ty( +/k/ff idr3tlh, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the sl/hf(tr)yh+iltkf/d3 it 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 f/+k9v qsf e)dtravels 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.w: oe:xbxl4cmvlr vxk /q874 experiment arrives at a point on the screen one-half wavelength behind the wave from the othmc ewkl:7:b4 xrol/ 4.xv8qxv er 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 impossmyw3h9 i* gk1uible to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light useuh*mk i39gyw1d?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation betweg8ut/egsz487k4uy ugen adjacent maxima in a double-slit interference pattern using monochromatic zt 8ge/gu7 k84u4uyg slight 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 pris. 8zrxjcz(xs9zcu86z m separates white light into different cocz j(z szzxc96x8.ru8lors 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 rai 7de(jaa)4q+sl lnxmt )xo;v:nbow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm is cal(5rtul;, cmpn led

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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 nz *3r(tee rh/n++/cauni9nyc 3l *vu 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 wh) -szxj ggijwf 8(fi:5en passing from air to glassiz 5sxf)gjw8i jf-(:g?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of lightxl d -l2hslv2+*ysxdwt v,/q) undergoes the smallest refraction when passing from air to gll)/ h x 2x+2ld,l*sy tsvw-qvdass?

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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 parallel sides zazz4/ a.wdwaywn(1 ;/um94ivt3ob r, at an angle be1ma(4y9rn ov z3wa.az//; b4uwdtiwztween $0^{\circ}$ 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 lnb7; ohky5negk-;/nv,j(-s j(bixw light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, e(;gwnyo- ihx n7b 5b;jkkj/,v s(l-n she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of avz -g/d/so0 n9jm9c1 ,kuox ithe slit increases, what happens to tu-,ag von1zi/j m9 /d9s0 xockhe 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 gratings; one has 4000 lines pe+ 0 jcglgklh8n-u u jrm.4;m619jzwfdr cm and the other one has 6000 lines per cm. Make a statement comjz hr lc-8jl m0.19 dn+gu4u6fwkjg ;mparing 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 separation, thp4y.sp k s,;gle 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 stateme 4;.gp,k sylpsnt concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by-9 vveibuwh k0tm7n *+ 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 interfevlbu:4,)af c;ym qxy (re constructively or deycxf4alu;v ,y(mbq ): structively, depending on their 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 g e6ehep-e 2), xdzt2cplass, strikes an air boundary, ther, 2pdc2hxe )tp 6ezee-e 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 surfaceyfk8( 8*aev*qijlp( 3 2ajz gtq t8p 3ai8 fyg*2jekvzlj(* (a, 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 viegkb,s 3vos-a:wed in white light. As the film becomes very much thinner than the wavelength of blue ligh sv, sabo:-3kgt, 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 waveleoj wqx 3-l/jbruo1l,7d ( 5fqc,w2p gxngth 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 refractioqrxjuo 1lwf3, lqc-d/g2 x(pb7 w5j o,n 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 placeh02yxh.u y: hkd on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What d2 ky0h:.hy uxhoes 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 can reduce glld udpm*.d (2i3b l:81u lcobnare from ref:udlbl bl 1.*dmonc8d3i ( u2plected 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 pod+ibo*jto :oy :nq: .llarization 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 ligh *ho7 eyw*m .vi2-vpnnt in a dichroic material like a Polaroid fi vmo*w7*nen y.2 ph-vilm?

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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 arzcqgl ./h) +gf wx;0yte perpendicular to each other, what is the percentage of the incident light which will pyc.t )0+w/f zg;qlhxgass 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 j4:s3hcy /yfqhn+(r u 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 j5vu1wp3gm . hsunlight 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 exhibited.xup+khzyg 25xfv0 i 2?

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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 appears7vl he1sx)g7 sz2u5esp4i)lv to be more blue toward the zenith (overhead) than it does toward the horizi )zss77v1s p)e 4gxe2l5h luvon. 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 glaqzwu6jm4o r*3;0w(+ p y kmgmuss, which has an index of refraction of 1.50ru gwz4 m03 jyp(wou6mk;+q*m . 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 glass, which has an 4m2gojfqhiyf6l :2)pindex of refractionm42fiyqj2 p6:fohl)g 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 nmx.4fz*ou-bj f in a vacuum. It passes into glass, which has an iu4-f bzjx.f *ondex of refraction 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 fouy iu;)se:0gydnfi d9o -yq7,jnd 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)6 amkunq*raubz.r.;8o t rp5 air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travel rb0n/a/d .emngg5wh7 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. Monohq1bt z5c.ldn9/8skcchromatic light falls on these slits, and produces a fifth1nlktcc8 .9d 5bs/qzh order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and z0hi11adj l4ixzkjo(bu,cnh )5 g h8(the third order bright fringe is sexldczh io8g a1(j5 h), i10nhj( 4uzbken 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 the separation between t6kyoz 3 xdz0by +0q ic9c;5rqxhe two slits is 0.050 mm and the distance from the slits to a screen +zr50y zy9q ob;xi0cd k6xc3q 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 l3v2j0t1kbl, t0g x -bk0lbjc, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincc00bxkbl-1l 3t0 gvt2bjklj , ide 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 6340thpf o4bhz /+ nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjaceo hp 4b+hf0/tznt 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 ths7s* n8s)*nwnxjee n 5at 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 doussj8eens**nnx n)5 7wble slit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beamza+-ue cfgbenh6g*2 lj.:z :h containing 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 the angle6hgj can+ befu:g2*e.-hzzl: 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 lightop+7cld.ailo 2mx +j mj;d-x8 (wavelength 670 nm) is incident on a th c jio7+dlx8 lopm m-j;d.2ax+ick 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 widthm qg lk;,w/ppf z v32zyak 05ao/ae,0s 0.20 mm. What is the angular width of the centra;zsweqa23gao,5 0vy/,0/p pfm l k azkl 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, iss w+ )orjp:(ga illuminated by light of 550 nm wavelength. What is the angular s)g(swor+pa j :eparation 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 bs(4kc j/kh)t is incident on a single slit 0.75 mm wide. At what distance from the sl)j( k4tk/hcb sit should a screen be placed if the 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 8,:uw58ht us8f polbj nm is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that o8:ulpubf5w8 8hj,st 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 on a slit of width 0.300 mm. A4/ ;x:s7ve pdwffn 9jdn observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe fwdpd n;7:sx9/jffv4e rom 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 t(5s1t g(odae on a slit of width 0.300 mm. An observing sags de5(tt1(ocreen 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 with 7000 lin0ggdd: y2l5vvk k; , oe9cutd*es per centimeter, its second order maximum is at d:gg ekk* d5cy0ovl9,vdut2;$62.4^{\circ}$. 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 vdayo;, y0x. yvh/c .kbetween the central maximum and the fourth order max.vc; yy0ayo.dxkv, h/ imum 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 75 mm wide + 4f abxomhexb8z09278 ea : srqa5kliand ruled with 50,000 lines.asreo7lfh 8bxa zx q408+i:eb a9k52m 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 60a;s6s tp+v- nz3p.fgv0 nm wavelength 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 wave6+.v 3nv ptgzsa;sp- flength 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 39yxntpx ru(+centimeter ruled on it. What is the angular separation between the se ptrxx+3uy (9ncond 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 smau+u)2fq w o f991egipectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red oemw)afi9 92gu+f q1ulight (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 the fi 32wl6b* vi9+p1 fu onamumnz25ih5 sm93eviu rst-order maximum occi5 5vfzoni6mvu* 9mu2ilm 2 13hs3ubn 9e+pawurs 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 ofq vmye0 0oz28d wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed ad0yz eo8m0v q2t $32.0^{\circ}$, 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 50i9 b dyav(4,,vikjfs20 nm is incident normally on a grating. If the third-order maximumv,dbis ,av (94yki2jf of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at one end +nnjgi0-g8sy vait m5v ;z32pby a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelemaj 25iznip-0+83s n;gyv gt vngth 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thg)d/5* j-qjh0 be yycfickness of this bubble will ensure maximum reflectance of no dbjh5 yj /g-0y*)ceqfrmally 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 500,8nt tid 2ii6t uh:zz+ nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light i it8+nt6z,thi:z2iud s 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 ()ql6 bz*n6ej wswogwpv;5x 4of a nonreflecting film coating (n = 1.30) on a glasswo 6 ;bl4n5jx)6ew(*wvgpzqs lens (n = 1.50) for 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 unpolarykxs-6, i;l t/ od1/ihzz- qwxized light and the intensity of the transmitted lw k6o/x /; zxdizsqhl- t-,iy1ight 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 pr,o:i o -xqba8 3h*pgh1 j)xnxxeferred 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 piesi -:s8:0*e e qdyh pk9/krcwxce of glass at an angle of i-8s e/e d0kycr s:: *p9wqhxk$57.3^{\circ}$. 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-analyzc krj3h7(6afx ayv6o;z.i6nber combination. The transmission axes 6 nb6. va3o7xkjzhfi;yr (6ca 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 refl7t1,nst/rrnrqh9z 3j x)*sa m ected in calm water is completely polq x/rnsjmhzrn9ts* at,1 7r3 )arized?

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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 thi.kysn z8wheb*267m xzs process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the em.bh*nzs78yx kw26 z 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'se h fc(g:.o jm*.bo,zyp3 zx(h angle for light traveling in vacuum and reflecting off a piece of glass of index of refraction 1.48my..e f zpb*hhjg:zo,3o (x(c?

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