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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 princip lo)it gsq6ewq.78w1dle.
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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 falvw dv 0(y2b2mldqi( 4nse 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 rz 1.ignuub6 2zh6zj+is attributed 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 ayz6uiq9)id3 p ttributed 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 th0 6uyzatc6jpw p;13mr;5jzoss ws.* u-/euof 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), origina8m6xvcjpffmn( o r5 7/lly traveling in air, enters a piece of glas67mfmc /8vfon5 r(jxp s (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 (was u*c- *rrk 9tpw9v7lavelength = 590 nm), originally traveling in air, enters a piece of gla9* v9tw ul-c rrk*ap7sss (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 spreading as it passes through a /vu .ae3ic2zh/w a9acnarrow slit?z ihe/ cv/uw93aaca 2.

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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 l )knwwp k aqf2))j*ngho8 qb97arge objects such as buildings, whereas light is not noticeably diffracted. Why is thj k8k)pawn o9 )hw27gqb )n*qfis?

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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 b1*9uevpwnw:e s+ ( 65c )noz arjdzop2ands when light passes through two or more narrow s9ezuo (*vd sr pe nawc2z:pjn5)w16+o lits?

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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 coherer r1*g kyy05u zvg2-plnt 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 savquk6,pi0svz3 +ejc t5s-b 0 xy that two light rays striking a screen are in phase wiz60equc- pks +tbvi,0jxv s53th each 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 light26v ((ypcihg6ulhy -o travel different paths arriving at point P. If the maximum con hhgy- oi2v(p(6cy6 lustructive 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 dmqedox0k: i;,, d ekj4 wx*s2pifferent paths arriving at point P. If the maximum destructive interference is t2ex4 ,dk*ik0q ;osdp:w jxm,eo 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 o) gakgx6+3q lnqp0 v9m2vp9kfn either side of the central bright spot in a double-slit experimpq + va vnlk29pm0f3k)6g gx9qent, light from each opening arrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright spobgi;5s*,-)sx1/3y jbf azd rfv2 mkkx t in a double-slit experiment, light from 2za/13*g fj-x5fb sdbv yi )rsk,;xmkeach 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 doublu t2jjl3ver5 4e-slit exp3v5 lj4ujret 2eriment, 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 e )a,vlp7vhnm:ht-yt m(;- nkz xperiment, if the separation between the slits decreases, what happens to the distance between the interference fringe7(,lnh:z yp -tmm ;vat)-h knvs?

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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, iorz-zc8/; onqt is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxoz- r/8noc z;qima 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 pat eamll+z lw6my4d;8m1h $P_1$ 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 ey1 ;g:t((ht8h +im y.p6ypvp25f y yy9acauf rxperiment arrives at a point on the screen one-half wavelength behind the wave from y f5h yr y( +9vg1yp a ;p2(cmpayyh:6tuft8.ithe 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 impossn)i n.tdr.z u2ible to obtain interference fringes in a double-slit experiment if th..r2d)utz inn e separation of the 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/ 8pfm0;1xsgah u-ikl in a double-slit interference pattern using monochromati-hk01glfpiam 8u; sx /c 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 prismuszx:70+txc a separates white light into different colors i tua sc0:7+zxxs

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which al8/z*cyi(jv4dzb,hs cq5 ii:alows 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 slight-tqtt;v -p +h/es4g .udfcvna w53gm6ly shorter than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is call-ow4ai f8ixq7ed

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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 undu1m8h,exu0a9gxt 3m. o pus7m ergoes the greatest refraction when passing from air to g.3mx uth u sm80op,aeu7 x1m9glass?

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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 refri ;ajnzh/ i:.2k;/ zlmgt/sgt action when passing from air to gl kg: hi/.miz t/z2lgjnt;a/s ;ass?

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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 fyfo. 4h 1eob5r -ny,mwith parallel sides, at an angle between .behym- r4,onf foy1 5$0^{\circ}$ 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. Iw 0s: f li0x 0mbtx7.2oiat)qrf she now holds up two fingers, with a very small gap between them, and looks at the ligqto)im.i7xbs t: x 002fr 0lwaht source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if thekwjg;(d i -lv1 width of the slit increases, what happens to the w vjki1l d;(w-gidth 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+d xcx8w4zba. -i:xft per cm and the other one has 6000 lines per cm. Make a statement comparing the dis.zcxfi d4xb-8w t+: axpersion 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 sebtg 0/z.xa:1h7r x):rj swotame slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illxa w/1t7e)x h so:trgrjz:0.b uminated 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 caused by reflection ql. qy;2+ahe9 t qzjj )(4;xhfbjfak- 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 wavefp iq ogal.o9((g :y y.r9oo.qs can interfere constructively or destructively, y(o( g9q.. iy:polgq 9.rooaf 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 glass, strikes an air bzwz 6tl)oag ;180u vpsoundary, therept8;o 1z0)6 uav zsgwl 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 reflecjn, v 0,9md sw(ahnx(vted by a glass surface, there is ndn( v(hvxsj,w0ma9 ,

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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 th*h:uq 4:waagje film becomes very much thinner than the wavelength of blue light, the fu: jwq *:h4agailm

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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 wavelens)e,fs(dd5 dgcgx.uv 1q w 0i(gth of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be appqdidx1v(s f u( s.c,0g gd5ew)lied 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 illuminated from above wit yexm+dolv;jw:.:n bu xh8s x;ujq4cxx(51o(h monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center o:u4j.b;x :1qocxx(vd jm( ; xeyn8w uslx+o5hf 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 *a/x+ fxszl3w n,hz3*8 ykyr eglare from reflected surfl *hf,+ x*zy3 y/xkns3ezraw 8aces?

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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 deip u:(c ty1b:cfined 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 gy2 1/f/ivwxw bt+ w*apolarized light in a dichroic material like a Polaroid g2//yw1 vfx*+wbw it afilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission a6a*w6uc e2up nm xul:.xes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light whichp:xau n mu.*e2 uwc66l 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 of /0k/nowyt06 hk-vxsra 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 gk*b/t4 f kdeo*reatest 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 diffractio uuyuu0v o g6y25p2l: vx.tc zru4bp)(n NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the crk k l t2*)zrsi))q *)igq*3cnlswks8 c9v7s zenith (overhead) thac 3sv)89sl *cicg)tn w zr2i)rqs*q skk*l)k7n it does toward the horizon. 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 glass6f4grphiqpc( hv q),h q(gg (,, which has an index of refraction of 1.50. What is the wavelength of the light in v qpi, ,((gcqqp f6 4)hhg(ghrthe 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 passei0;)wzj7;(z2 gepv tk)yww ous into glass, which has an index of refraction of 1.vpk7i)ozw 0;gy uw we2;t)j(z50. 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 ( ro1z)eh cx-rvacuum. It passes into glass, which has an index of) xzo-ch(rer 1 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 imlo q2ynv1ei:1r nq7 /n 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*/hssv:.uqx gv6j 0dm y:gq6j nm 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 is found tcy*2kxej+hf( c-cp ;eo 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 lii.s1v4184 d;kr9d3ipi oxbk4i+ p lwgq .hlz cght falls on these slits, and produces a fi;gd cihwqx ikrdi4+44zp8si93o1 pv1 .lb.klfth 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 th5)i h t7zxx c2z/g-fie7 is+iie third order bright fringe is seen at an angle of-/ fig ii5 ztz7x7sehixc2+i) $6.5^{\circ}$. 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 two slgh 9c)uvldgc m 3upy 43+.5 hffwf*p 39fazw4jits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-ordwj )ahc *f f. 9zmgw5ycp3+4u33fpfldu g9v4her 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 nqyktf9xqg52 gd -f9s mw x2**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 ffk 2 2sw5y9nd-*q xmtfqxg *9girst 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 wavelengtz 6i*hv5b/eylh 634 nm fall5e zhi6/l*vy bs on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic lightdss*lpvpfbbj4+3x0 7*y xq. v is incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright d4b.xpysbq*j xlv7 03f *sv+pfringe 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 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,miuv4 b873 qcitg+p+ j 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 angle between the two be+ptg jimcqbi+4 uv873ams 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) hrgje ng7b:lbl.4 r;6and red light (wavelength 670 nm) is incident on a thick piece :b4gre.lj lgb7nrh;6 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 isnp( befa1 ,5bm the angular width of the central diffractfaemb(,1p 5 bnion 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 illumswd7o1 iym 24linated by light of 550 nm wavelenwi7o4d 21m sylgth. What is the angular separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 mm wisd2,vze7gjl6)2/gp pmqgp8z/y m6w bde. At what 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 the center of the sc7m pz2d)gplz 6b/qy6p ,eg82vj/swgm reen?

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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 a yl:i9,;tdumm /vro z.nd the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central mm i ;:r.uv/dl9ztmyo ,aximum?

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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)vid ltq2nkq5(n 8c: .dcw)eo on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position o8q t)5ovwd (ke) dlciqnn:.c 2f 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 b:wgd57z hsfb :fnz*i7 b5 q)gincident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find thezdgfin f7 q)wbb5::5s bzgh7* 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 lines tl5onkg2;/d y33rmj vper centimeter, its second order ma og/;vmr yd25k33tnj lximum 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 centralbx5zd( ry w42k maximum and txk2r z5(4b dywhe 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 and rulemje5)k oq99 4ahxadhrn1 h ;v6d with 50,000 lines. The sheoa9; a9vknxh6r4 qjh)5 1md econd-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength produces a first-orderz;k g4/cuq s0a 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 wheak ucs0q/4;g zn 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 cenwa ,nwzqi n;494ai/vc0fsu6etimeter ruled on it. What is the angular separation between the second and the thicuqiaa9; in,4vnez 0 4wws/f6rd 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 spectral hues by a grating. If th3fe cs; pn o0r/+fgx*mzwagdrk+ ,;v;e grating has 2000 lines per centimeteoxr;d;+s ez3 /wf;*0cn+mrg k apg f,vr, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) isjw8c fe22u kb+ used to calibrate a grating. If the first-order maxi f8 b2e2j+ckuwmum 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 normaa;w rr:csn i+29cdqz,jipo..bvux;ap- r3 1blly on a grating. If the third-order maximum of the diffractio 9 j+z bs2vp r1rpan.d.; waq-;x,co3uric:ibn 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 wavip ag g013/*iyzny c,(km9 oigelength 500 nm is incident normally on a grating. If the yg30ggnimi*(9 z1i kp,/coyathird-order 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 psnd6fn ( 8 :6ti 0y-,gbmmsmiseparated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelen t68 ym6-n:ids0mmfgnp,bsi(gth 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 y(:u 8u+s l81rmtir glof refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incid(r ll :uysi8g r81tmu+ent 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 = 1.33). What is the min4j vt+r.ktzk h vq5zc0t0 x);(spiki4 imum thickness of film that will give an interference when th0 kv h4sz (+itc4 0)piztv.kk;qx trj5e 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 nonrejm3ofe4-:bvs. s-v0 c1tse 5qngfh8qflecting film coating (n = 1.30) on a glass lens (n = 1.5o4qjhes s8-cq b fg1ev3v .t:s nf5-m00) 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 unpolarized light and the intensrrkt y.x8e*(06ub zd mity of the transmitted light ik*euyz6 m xdb0r8 (rt.s 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 preferred direction rotate;)k4 yy7:jpradky , ycd $30^{\circ}$ 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 unpolarizedzyo()9p1spf d light in air strikes a flat piece of glass at an angle of y(s o19f pzpd)$57.3^{\circ}$. 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:nfz c+(6 fw y6zafk+r combination. The transmission axes of the polarizer and the (c:fkwa+ zry6f+6 zfnanalyzer 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-4+m.tufvttdj fr z 8mwkpbj9,/kw1y8rxl06 when its image reflected in calm water is completely polarzfk,w0tu x6tr8 w/jt rb8jmv lmpyd9.1+f 4-kized?

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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 passc.bd *. -o a5( lt)b-wkdrlrxves through a 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. What is the ang.wcv-k brt*r)bo.d (xl5l-adle 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 piqjbsz170 1ivacuum and reflecting off a piece of glass of indeji1 bis7 qpz10x of refraction 1.48?

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