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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 principleyes. a49rgiz ,d ua,5l.
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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 0ne 0v.yv)jhx 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 lights.8t f obxyt. *1gcw+n 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 attributedh gqd1-9- su,vis6 gdf 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 medrgg6b/x,z u edfv:85ss d.y78m6uzbp ium of different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in p8 +zomn0ay(r1 yh.ceair, enters a piece of glass (index of refraction 1.50), its frequro+1mh8nzpacy0e. y( ency

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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 = )n:,fulx t; vi590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50),),v;uilt: fn x 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 nav4t u/7dr(x1 l;,w dmearmm-prrow slit?-mw;dpxa m tr4d/71, ve lrmu(

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted53 h6 mqk02ru9uj,rv3vvixn3t ) w xyz by large objects such as buildings, whereas light is not noticeably diffrqzknj m3v6vv5ui)2xxt0y,3hru9w r 3acted. 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 l9,v6 py)lf nalight and dark bands when light passes through two olyn 9p,6l)vafr 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 said to be cc(m gnr7xv l l;z 50jlo4zg02uoherent 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-w,rkn3 d, kuc light rays striking a screen are in phase wi3d-ukrkw c n,,th 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 light travel different paqx,7* ny;y+gx8vfcs6fwfs7 lths arriving at point P. If the maximum constructive interference is to occur at point P, the two be8xsv, wfsqc;l f7g f*n+ xy76yams 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 p+(zz h w0w/vpoaths arriving at point P. If the maximum destructive interfere h/zo+(wwzpv0 nce 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 e arjps/*eg74s zj 5lc.xperiment, light from each opening a.j seglcp4zjr7/ a5 *srrives

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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 eithpabu- k1w3)qfer side of the central bright spot in a double-slit experiment, lighq af -3k1)ubwpt 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 brigh0-i h9qt7-9vhi8xa omw ge5elt spot in a double-slit experiment, liga59ixm-e ev-qw9loi0hht g87 ht 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 s 2y,eoj6 dmp2g8izqp4dl i bawt7k-- 7eparation between the slits decreases, what happens to the distance bpdg -eb4ko87qp j w7,l zdm2t yii6a2-etween the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the disin z6difw*xon9 09yoz1 4gg4 atance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjaz964dgngo4nyzx*ii1 9w0oa f cent 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 path 1t7/mv 1j0veb o hupt n9d:t m-0vna)z$P_1$ 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 hic,kk, r+ z)f tivkfk2qmy ,pj/17y1experiment arrives at a point on the screen one-half wavelength behind the wave from the other s ypkcm7/, tkkr1yh+,1vi z,f )2jfikqlit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interferenceks+l g(u01fehu7t, xp s jp.3t fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lightulk (tpe ss gh1 +,xj307puf.t 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-sj +yttlt *ob8n9oj93mlit interference pattern using myt9j t +83o9nl tobjm*onochromatic 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 separatesp7 d/ankl :xa* white light into different colors is*:xln kaa/ p7d

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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 is6ngrlr8yth9 0,kav v8

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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 -2nbm xcs81ai3cwn d;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 vec nb (v+sf,0nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing from air(t4 s 9gq5uu2rr cgbap jdbc j-/t3o-+ to glcjqrgbu3gjc- 2 ptbr(a -9 s4/u5 do+tass?

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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 refraction when passi,+gx .32k9gdgm 2 ts9wmyqi,qkqbym6ng from air to glasstsq ibm9 62q+q 9.gm3ykw,2 ky,xgdgm ?

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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 w6 onaydb 9ce(q2.s+ skith parallel sides, at a ncdakqos62e(.+ 9ybsn angle 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 distant light source. ps0:c :q 2mr-wnm,5j hj+ quph If she now holds up two fingers, with aj2:,qm +nph c jsup qw05h:-mr very small gap between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit incr lvy(d(2ixziw k 9*,t(7adivg eases, what happens to the widi*t x7a(( zd(vwi,k9ldviy 2gth 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 gratinh0kzm mdm,8je*0 lsx,gs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersihe ,x,mzm 80m0j klsd*on 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 diffractik8qa 92ikoy7n on gratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuikk 82ano9y7q minated 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 rtl+d0 -sk6rux ki 6wo;eflection 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 liaico-srr vys))0i 268kl 0spw9grs 5g0v(kg gght waves can interfere constructively or destruc5y()v-0i igs0grlvs6c 8 rk2oks sr a gw)0pg9tively, 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 travelwyx4jq ,lfb+ 2v*basc b-zj23ing in glass, strikes an air boundary, there isy-24 wb32jacl , j bb*szv+qxf

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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, whic 8 w;hvshrlo,s u,g*p)h is traveling in air, is reflected by a glass surface, thesu rosh*ph) , g8;,wlvre 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 whitemk jc (rxf7(pkm: ir0rz9 bof tl6:--r light. As the film becomes very much thinner than the wavelengfr( 0bcl-mx :o96:frkzjr 7itkp- (mrth 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 of light in magnesium fluoride, what r.o 2itx6).bptvp a ;pis the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting fo2pvp. )btat;.r6xo ipr 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 abkj -t/ge(q/t*tca 0 bbdqf(4gove with monochromatic red light. When viewed from aegj0 k4d * -(facbqgb //(qtttbove, concentric bands of red and dark are observed. 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 fact that certain sunglaq5 /y13o8o- xg / jxtjedy(mjqsses can reduce glare from reflected s3g-y jmq/1txe8(oj j d /o5xyqurfaces?

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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 def7jh0m.m9nycke5 d 9kc+ uj) :b ei*dxvined 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 l9ph :4rfa;s1rm-pzmg.e 5vv right in a dichroic material like a Polaroid ffmhr p4pg.vr 5se;:a19-vrm zilm?

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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 t.gmv gzi):y i+; k7m7udymmp8wo Polaroid films are perpendicular to each other, what is the percentage of the incident light whzm 7 yiyu+;gk mg8:m 7mdpvi.)ich 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 trtxg.t)0t9-kv/k.. kooa . inst q6uwhe 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 greateses86za- v5xx fs: xlh71z4jyki*oo5n t 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 isujel35c 5a(zz(g l,lb diffraction 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 appe -vg:jiaq sp reu5l*-,95, x djbp(mgnvhe k8.ars to be more blue toward the zenith (overhead) than it does toward the horizonpd55g:lv9 ,nspk- j (gxe*rqhm-8 .bjveua ,i . 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. /4c svy7bejqul 62 n2kIt passes into glass, which has an index of refrab7lc s2 k 4u6q2njevy/ction 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 z8f * s4xu6ezointo glass, which has an index of refraction of 1.50. What is the freqx8zfuzs*4o 6 euency 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. It passes into glass, which ha i:qcs*cx7b6.2 e-d *(robdgi 6hgaavk3l3gl s an indeik*2gabch3r*eq63- gv7xg:a 6dli .(d bscl ox 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 found to travb*a,6vbzz1g u el 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 tc0p5 / kr,lnbjg hn+*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 556zg lisydlp 4 8y,nu-.0 nm in 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 on thesbh:4om8ulwk 4 v c,x5ce slits, and produces a fifth order interference frinvcbxcl,hmko 5w u484: ge 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 the thire rv2xl( 4jrhn2at**rd order bright fringe is see tnhrj2xe4(v *a*2rrln 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 separatrq36c5ykr q* iion between the two slits is 0.050 mm andkri6qcyq r*3 5 the distance from the slits to 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 watn,yw-7eb 3ktf*et .svelengths, 750 nm and 900 nm, illuminate the slits.efb*7 s,3y-wn ttt.e k 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 apart. n wlva7ht9-+ rMonochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interfereh t+ln 9wv-ra7nce 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 that hazue :25f i*w+iyauxq5 s a slit separation e5u2wi+fuxy q*za: i5of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the 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 nv/;9xki je)mn 4qwi :;finq9cm, 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 nkfn 9 w)iq;mn9:iev4i ;q xc/jm. 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 lighp6 xggdh3u(c4,ynj;i t (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of gldp4g;,c ni 3xh yj(u6gass 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 is the ;jodm81fi zy, p 12dgfangular width of t2,ij om1;py g8fzd1fdhe 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 wavelec 06qe-xqj3f4)oh i nength. foin)exhj4 qc3e0-q6 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 o+sdku0 3c y2zpynv z9+n a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction z9z0v n2y+ kpy+ducs3 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 -m3 i.xm3eqhua slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the widthix3u- h q3mme. 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 sli ycwibs4y,f 8(t 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 center 8fbs(c4 yy,w iof the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An obse,cl bzf1:k2de4 5s ewhbj*x3m rving screen is placed 2.00 m from the3d,* 4hk ewbfc:bsxejl 5z m12 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 lines per centimeter, its se70ex8 1j e21ez 0 sfmi9kw1w akxe:qjgcond order maximum k 2wex1z 9q18aie0f eeg0:7sjk1mjxwis 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 bwi:lgz056.fv68ng z m9zkp- ylf0j ew etween the central maximum and tkj:pm9g6ffi 65z-0nzlwl 0vwz8.yg ehe 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 rukd)qr) 5v-a+f 9jlevwled with 50,000 lfj-59 l)k)v +qvedwraines. 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, lighsnf;due):iqkv6dh 4-x b*4 wj t of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source prb 4*d eu-jh;6n )x vwkd:sif4qoduces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruleqtu kw ig279h2d on it. What is the angular 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 ligk uqthg2wi279 ht 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 mhv rfz-v rs z(+rf79/6qr8ryinto spectral hues by a grating. If the grating has 2000 lines per centimeter, az/sr+9r8vv7 m -rrzyh(f6rfqt 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) is used to calibrate 5dut00nzdt i4n u/ c5ya grating. If the first-order maximum occursc5nyn/00t zdud5 u4it 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 wavele4pt:-u7p w wsx)e u7)whycf f4ngth 500 nm is incident normally on a grating. If the third-order maximum of tx7 4cwh yuwwe)4fp-)p 7 s:ufthe 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 wa)cym a7 8kj ipg t.2c/b+u5yyiq9)tbz velength 500 nm is incident normally on a grating. If the third-order maximum of the diffract) z yjyi 7cby 8it)pbm/+59uctkga.q2ion 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 isloxau*pi , x.d .t3v(d separated from another glass plate at one end by a strand of someone's hair (diameti pxado.d tu3.x v,l*(er 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What,0 l,hnnjqb-gg* gfj stx *t(- minimum thickness of this bubble will ensure mt,( tn b*hg*n-sg,g-jxjlf q0aximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap fila. .zhmrn is5wr:;;z:6xzh fnm ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incw5r:;fzxzhzrm n 6nhi:.;as .ident 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 nonreflectit4jb.+n, dc nr *mia;rng film coating (n = 1.30) on a glass lens (n ar,bdtcnm;i n*j+4r .= 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 placecd nzd 35ahgd;kh+))yd in a beam of unpolarized light and the intensity of the transc+gdakhz d3hy)dn; )5mitted light 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 preferred direction rotatedp) 1 *ccax3oul;g*jlx $30^{\circ}$ 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+27lss7hwgl ,0l(aqkjfha) z*y 5 waf a flat piece of glass at an angle of y ,kz25lhlfw0sjh aqs)+lg7 wa(fa* 7$57.3^{\circ}$. 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 combinationg. s:*gud bcap*fx9j*q p*ugqu5n l .:. The transmission axes of the polarizer au cp*dfaps.nbuug9* :*lg. qqx:*j 5gnd 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 i,k2i) (rb-gg w*1kiy7bj+v m feu*hwfts image reflected in calm water is complk r*fmefhkv1 )-bwg7uj i(,+ *wi 2gbyetely polarized?

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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 polarfdp 3n0ycaz-3 izer 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 angle between the axes of the polarizer and thz0p yfn-33ad ce analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflectingp4lg;zobl456, dgb* vdpenwg -/ uo+ n off a gd6dnlo*eo,4pbl+/v-u45g bz wp ;ngpiece of glass of index of refraction 1.48?

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