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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 principn ;)r2 yb 2rtf6ktpr0tle.
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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 stipw v/*fd,g(yv;8c:z/pmz )oiav-qgatement?

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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 attrimkt+; /vvc vy5buted 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 iszg+-j;u j8 :bickboc5 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 in+bp;xhp -mb,w to 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 (waveleelp)wj 91u +0k;fffzy ngth = 590 nm), originally traveling in air, enters a piece of gk)9e uf;lzf w10py+fjlass (index 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 nm), originally traveling in air, entesmu:h45r 2a xw2 n.zkh ;+osifd:gwau .utd71 rs a piec: kg4whx17:tus2 d+fuwoudh2 5ms;r a.nzia .e of 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 responsiblx,qr3 hyuvqx b6b4ar3 33 :xtle for light spreading as it passes through a narrow slixxrb3q :tlryahu64xq ,b33 3vt?

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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 byz bw w,,(jpeg; large objects such as buildings, whereas light is zg ep(,w; jw,bnot noticeably 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 dark bands when lifxra z2;kkwe tg,k/ (1ght passes through two or more(trzk ,e2kwgx/ 1fa;k narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said t 5p nij3,*ya(ilb*t.pa8rzx wo 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 strikiir-g :- koci4l 0wb3whng a screen are in phase with each other?li-wr:c0hig bo 4w k3-

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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 arriv17ten4okm y2 uing at point P. If the maximum constructive interference ismuo1 t4n27ey k 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 trave,y;nvl -,bjfugp n)8 wl different paths arriving at point P. If the ; bl8n, ,)vnjpywfu -gmaximum 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 the central bright spot in a double-slit eu7t :+a4c;r n:71vujo6brrn jkump 5v)tl6snxperiment, light fprvk l)m: 6tusortbc+v5jn7na14 u : n6ju7 ;rrom each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spot in h9t y/0ck2*s6cie nif a double-slit experiment, light from each o* sni6c 9t2eic/ hfky0pening 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-sl )l/hcbgax f( 9ply)m 9b6sj4ait experiment, lighlj ( a gxa4mf/s)hl c6b9y9b)pt 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 between the s0..:mld yh mtd nq9wx5lits decreases, what happens to thed0.q 5mw ynl9:.dt xmh 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 ookz ,mh33x ;ypw/u+p3u6hndq9 j/ rv ibserved that the distance between adjacent maxima 3q h ,un ovy; p3w/pri/hx6+dk3mzj9u on a remote 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 p vq92 **i8vfgem1v cfbsq-z8path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives at a poij 39 bc6ou)d -mbuq3dh uzr)o8nt on the screen one-half wavelength behind the wave from the other slit, which is obmb)joo ) 9u 6dcrb -3uhzu3qd8served 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 impossibae9c 2z rx(lr6le to obtain interference fringes in a double-slit experiment if the separation of te 9(z26larcr xhe slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima i*cl ck*g(t55udyg p y5n a double-slit interference pattern using monochromatic l*5klgtcpy*u( g cd5 y5ight 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 different e w,)odv1(vh9c6wmud k1raf- colord1cu9 mkvf61(w )dhv,-aw eors 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 allpv3 svm8zq8vts ;/hauu s1)s8 ows 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 slightly shorter than 400 nm is cal+2q7 zlokt k v;-5vhrrled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength sligese 5l n7jqlh4w*m7wis :gi,6htly 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 re1 e 9klxzv+zu6(j1y(le ,pixqfraction when passing from air to glas((ll6e,1qikxzz19v xuyep+js?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refrac4 ,fqqo*1r+uaqi ,slv tion when passing from air to qv qrs q4af1uil*+o,,glass?

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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 *o*wxy0q50b yxyy 2h(y q4cbx sides, at an o52c4q(x x w*0yyybhyb 0*xqyangle between $0^{\circ}$ 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 dist/c:x9a /r . hbalnuo2pant light source. If she now holds up two fingers, with a very small gap betwecu: a9ap.r nbxhlo2//en 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 ex ;r copy7e/q)hperiment, if the width of the slit increases, what happens to the width of the central maximum on a screenec7y/;r)q hpo?

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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 hc/f12fj ha3eand the other one has 6000 lines per cm. Ma fe3j1 2acfhh/ke a statement comparing 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 w*m7nu3z uyt9 slit separation, the only difference being that one grating has 3 * yuz93ut 7mwnslits and the other 4 slits. If both gratings are 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 caxg 7yb;hb2e 5ly majc1vn);9 kused 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 aa oxwy(y);k3o monochromatic light waves can interfere constructively or destructively, dep)yoy;3aa(w xkending 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 glass, strikes an airwuy,dc 8dtm+yg7eeqfh /*7k + boundary, there,gw+f87 +m eketh cuqydy/*d7 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 travelingcr1r4k-t dif: jv 8zodi7m5s. in air, is reflected by a glass surfacemir k:cfd4ti71 sdz-r8 vj5.o, 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 fi z +q21xuwwgm9lm becomes very much thinner than the wavele wqxg m1z2wu+9ngth of blue 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 os2vgc oa x8r;o54tzf0 f light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that mus2ot;xv4 z5 s 80fgcorat be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminaz+c95ffd xa 0oted from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does of0aocxf +d95 zne 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 4v0t/w g np0vp2ad dn piev -;snm:e/1that certain sunglasses can reduce glare from reflected sum/p e; vwn:pd0 vn4e dpn1t0 sivag/2-rfaces?

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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 islfb+of;abp0d v /,n0z70cpn p 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 polmzks+,c- d;yim ) xuv50s ir)yarized light in a dichroic material like a Polarmrius,-yzi s dv+)xm5c )y0k;oid 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 yyxny:8*:+ouu f7l sfkq;l/lother, what is the percentage of the incfqo:l yf 8/ylxns:7; ulku*+y ident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of5 2npb4/ jwqlg 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 sunli3 q bw: k74pw6ar/dxanght 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 exhibim)d )l w. houxcs9h2cil*w4n(ted?

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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 mo.0t:k fc+ z5(vhqmk z rc0qfh2re blue toward the zenith (overhead) than it does toward the horizon. This of+qqzch0ktkzh:.r f( 2mvc 50ccurs 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. d k-bcuqsqrwo:k/ /k94/i dd7 It passes into glass, which has an index of refraction of 1.50. What is the wavelength r/wsi/7u q: b9-/oddc d4k kkqof 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 600c + nxsj) 3hb,jhq(e1w nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inx hsjq bjwech+1(3n, )side 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.muogwz :)y7fubj 6 zn 9,n,bw( It passes into glass, which has an index of refra( o7uy fbg9j6u,wznb,):wn zm ction 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 9xi,b *d zjab-in vacuum 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 iokzb g9i52bv;n 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 ins( ergs7yvy7z7 j8er5 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 light falls 3m/2wi:tv:d siz)nbe on these slits, and produces a fifth order interference fringe at an win3:)etv :2/mb zids 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 the third order b0tw xr grli4*e9(l l2nright fringe is seen0e2ng 4x(lit*w rlr9l 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 slt qb4y6kg n-h-jpcx,)a+i2od it experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a scre4d,)6chant iq-k p+jxg o2yb- en 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 +g)j2 qcqe3f*c 2 vxo;j xqe-ktwo 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 frinqv ge2k - *jexfq;2q3 ojc+x)cge 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 fa3cfvmdem,0wps (p 4e+ 35n taqlls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfep ,m desq33vnapt5m4e(w0+fc rence 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 incid9h* p(vgpqeatb) * fm9c0y54m7 muj xhent on a Young'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. What is the separation between the ttb gm9p) hf4phycm*v7* 59a0qmujxe( hird-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 700 nm, strikes u 4jo,a uq mbg2d;.bu9a plain piece ofq mbuub ;j.oug249da, 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 consistingz5y1kw tyimad5 *b09 i of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piec5 ytd9i kz miw5ab0y*1e 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 y: 4rv0oov5oz. (k- aotaytq2 f8exd)mm. What is the angular width of 0 ot-o. :r 2oat8 5)ezvdk y4yafqo(vxthe central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of 550 nm wa) 5pq1/pbs xjyvelength. What is the angular separation between the first two minima on eith x5y/qsb1j )pper side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident owx4/6)lt( k3 ixs gkkgn a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in xgs/kwkg 3)xit4(6kl 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 incident on a slit 0.20 mm wide an )af vup zc,gad32boi+9a7d:md the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wid3+m)bdv7guifz9a p oca:,d a2th 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 e yicq9 +,h/ywis incident 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 from the c+y/e,w9ihqy 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 sli uh:wbn;/i(qhyum ,z /t of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the c i,wh/b;uh:zum(/ qynentral 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 lk eex +v9ok7lxx.7 :huines per centimeter, its second order maximum is a.lkkv uo7xexxh+ 79:e t $62.4^{\circ}$. 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 ha yg-m prg so*/pg7;xwk+f+6zw.+hkols 5000 lines per cm. The angle between the central maximum and the;6h7xrmpzl.o/ +- ykw+wgg *ksof + gp 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 75 mm wide a6b).gd slyh rty,g+( snd ruled with 50,000 lines. The second-order maximum is seen at l)ysgtd+ 6yb.r ,(ghs$32.5^{\circ}$. 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 pko, wqx3q..8 b 3cx sreui95uwroduces 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 wavelength of the 8.3 u3swbxr ue9i.q wqoc5x,k 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 lingag3 q9hgp-k4 es per centimeter ruled on it. What is the angu9a -kgg3 ph4qglar 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 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 spreadc.d fo 6jj2 lo ejr7z617. vi4ra.grik out into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle2ari6.71.rj r4o fjvk.z76oi gjldce 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 the f gc91rbk i9+;rvjv 4iuirst-order maxibjri; rkc ui+9g94v1v mum occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. Ifq,9r 8pd*hlsvuu2 ;qvbb pphqn d42+ - the third-order maximum of the diffraction pattern is ob;8b 29p 2hp s*+4-p,rlqvn vdhqbuqud served 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. If9md)zg9ze m.9g7xd aa the third-ordeed.z7 m99) daag 9xmgzr maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from azqq :(7qwv snslop1 s m1/.)bpnother glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent iq vqbw(sp1m7lpzn:os.)q s1 /nterference 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 1.33. What minimum thicdv 9 mg7tx5pd2kness of this bubble will ensure maximum reflectance of normally incidgd2v p md59tx7ent 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 illumipyrhafx*-. /: sbj 8etnates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normteyhrs-/8 :pfbj. *a xally 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 amc+vi1ic/fl 1abrl2r7e3s /r .c 4u vc nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengtb4 ./cr 1v137c mre2/fric +lcsuiavl h 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 unpolarized light and the intensitqqfm , u:5jg.deovo 9qgpym 7zs y1;-,y of the transmitted light is 1. A second ideal polarizer is place:zym 91yo f-,q ve.suqgg,m;pq5d7jod 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 rotz +o0p:. /d9nwip9hk w)a7yw znleuw)ated $30^{\circ}$ 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 o2wgpn)h5j8e ocl t0 v2f glass at an angle of cgl)n2htj28op50vw e $57.3^{\circ}$. 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-anaa)ew0wd yehs:v,w*s 1lyzer combination. The transmission axes of the polards)w 0w*wah:s ey1, evizer 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 )h;s 8d)gmfcrreflected in calm water is completely polarizergcfmd; 8) hs)d?

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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 juxhiry7 t57)polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. Whatyh )xi tr57ju7 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 angx ii-(muyv5*nkk-vcx - *6arnle for light traveling in vacuum and reflecting off a piece of glass of inden-xk* mvkxicn-6ar i 5 y*v-(ux of refraction 1.48?

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