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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 principjcyst 2tu .l1-le.
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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 imtssfko81r,)y jdlha a+ckoe x5; )1o ,f;k,xs 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 lig-ltxhnm7i:w : ht 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 attribu; 11 ytl8c)eunqr(ek5f tvfw6 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 different optical denswp*,yq1rh*;-s fpaxhg js4:5 i7cltkity,

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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 x;xecy0nea/p 8zn3 i, air, enters a piece of glass (index of refraction 1.50)xc3 ea /;,0inexn8zpy , 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 ar md ),30defvk6 vjv5hir, enters a piece of glass (index of refraction 1. fv53,krd vmv hj60)ed50), 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 respoqis1l7a t+07 unl o;sjnsible for light spreading as it passes through a narrow slit?7 si0 n;oqlu1j+7tasl

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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 :9a3.w: y7eaq pre+ q:hh*mok p wi7wxqk0yx(such as buildings, whereas light is not noticeably diffractwam9x q3k7:y7 w xip*aqq:(ewe+h.r:ypkh 0 o ed. 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 b/ sjb7xq mk;k8 iu4xfmzd* 7y5ands when light passesqf7 47; u5yzj* md8ks/ikxbxm through 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 said to be coherent if the7d kgwoi* n21(kdjv+v y

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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 c7uefto, t9 eayn 4fu2tf/h25we say that two light rays striking a screen are in phase wiet7tn52f4 y fcfu9h/tauo2e,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 tra6g+ h4;3 wxpv seuamnv7c*z)uvel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the twou7c 4nve 3wzp;hxm 6su+a*v)g 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 diffexpp06t gi4wc3rent paths arriving at point P. If the maximum destructive interference is to occur at point P, the twogtc4w63xpp 0i 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 apdlpozgy 9w:l+dcb*y +/-uy1ntb 2p1eo*vq . double-slit e pt*1dpozy /.+d 19bl *g2ne yc -pq:ybuvw+olxperiment, 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 brightn38v4xwqu,z).s quj n spot in a double-slit experiment, light from each o84u qju)q zw.n sv,nx3pening 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 spx u.2d(cqa a c9kb 6;(tqpht086umuqkot in a double-slit experiment, lihqck;0 (68 a6kup.2utcxda9t( qbm qught 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*nrfm (l0+-ti .iumarz6l rk 4eparation between the slits decreas0ilrm i-m a6u4*tlk(. nr fz+res, what happens to the 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 observed that the distance between:ezfur/6n;h d adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit se: /uhn6dfz;erparation 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 coherent2innjcxjc5kjhxn 4ck,f/ 0;4 light travels 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 doub w* wapn3xn/47xdwbjpo j:wcn2-2l/p le slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at w xpnjo*dl /2pn3-jcw4p b72 wa/nx:wthat 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 interference fringes in a doublemljm/hg2xjs7d5 w 0vcm86og +b7t2nd -slit experiment if the separation of the sli jo mw7 7s+6dx8glc20 t2mhgv/jm 5nbdts 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 in a double-slit interference p hwc g4c1hg br.wf*-nn ysb3 1qxt5z8-attern using mono45tcqn* bsy-31. 8z-wnggrxwcf 1h hbchromatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates whic rn-go2h(3wlte light into different colors ihl nc-g 2o(rw3s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allow p79+,25 bkptwtugl2iaul )bj s 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 cbo 25io-kg0u 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 thg utfl7sc9qwht.6, e2 an 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 zzfut6;-5jd4okfh 1zj/ a f0fgreatest refraction when passing from air to glj4/tj6;oz- d f5ahu0ffzk 1fz ass?

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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 refracti+(z:xi qwf, u5czk+sy on when passing from air to gli, zky5wu+c(sfx zq+: 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 th .a vc2yj4,g/n ud+vliick glass plate with parallel sides, at an angle between ld,/j ua2vnig.cy4v + $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If ) k,;kni85d bennmpn ,she now holds up two fingers, with a very small gap between them, and l,n,inm 5;nkdpe )bk8n ooks 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 tsq.bhg mgrje)i( )gpp;f*clq* i u 35/he width of the slit increases, what happens to the width of the central maximum on a sc*5;q.g)r)q pself3 ii( /jcumg g*bhpreen?

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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 and the oe1o7 u3lhoe qy w29g-i rf5,qfther one has 6000 lines per cm. Make a statement comparing the disp if 9,q3orqey7oflgh-1u5e 2 wersion 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, the only di t+2 tbgtmmf2jh a:b49fference being that one grating has 3 slits and the other 4 slits. If both amt tfm2+t:b9 42jgbhgratings 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 owb* ad4tcr:0caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere con5zfi5+ zxdrv t/acc9x7g t 2r+structively or destructively, depending on their phase difference. One consequencgv+arx +52r 7cf/zzc5i9dt txe 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 -hu,j dzi4s3 t o1/ewkin glass, strikes an air boundary, thersd3 , /jhz-ie1ukw4ot 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 travelm r3(,opags* sing in air, is reflected by a glass surface, there soas(mpg* ,3ris

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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. mnu5ji/(z/pe 8 mznlq:vh zoa8,:auq + w6w3v As the film becomes very much thinner than the wavelength of blue ligv/l83m 8h:anm iz:, (ez/jqov5u6zw w +pnqauht, 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 wavelength8qcshae gi83 -y o1q:o of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is interme 1qh-a3qs:88oei cg yodiate 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 pldt46lfgk (q 32; irjs q0ynbyhih 6)p0ate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does og pj6qt 2 (yh0;hyqr4ifl6)kdbs 30inne 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 responsib. ;r:c+epgd7nzv/ qycle for the fact that certain sunglasses can reduce glare from rvcg7q+;p:cezr /d y. neflected 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,f j6aiv8qbcgx* l572 b the direction of polarization 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 light in a dichroic material like j5lvu ctx68 72nmtq4 ja Polaroid film?jl4t8jmv nx276u tq5c

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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 Polarlxge su0h9n46)ui xj-e6 ahu:oid films are perpendicular to each other, what is the percentage of the incident light wh:n a4j i06xxu -gheu)9u6slehich 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 a lake1(iipr-q8dxu

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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 greatest a0v,7dhy;iqg3em p q*+: pqgtat

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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 exhhxpue80y9 g+met ,cd 2ibited?

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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 zenith xqpoz7 i3e8 mwc2ukhf2,+mujg57p, s (overhead) than it doeujp7 xq8o+g2mi5su 3w,h kf7cp m ,ze2s 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 wavelengae63hm cd 4hk(th of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glass c6(4khda3emh?

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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 wh9 p j9y p9-xl,tb)topasses into glass, which has an index of refraction of 1.50. What is the frequency of t9lw o9jy ,xb-pht)t p9he 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. Itqi rh5b k7aubwpsp+/wk+2 7l5 passes into glass, which has an index of refraka7h+ qsp+ b k2 5uwp57w/rlbiction 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 va0ln/g svgv x.7cuum 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 in air is a (u;azlx91 qqfound 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 tra *d ix-xgemy9)vel 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 theet e( dr+wz v)c60dis;mh-aqwcko / ,-se slits, and produces a fifth order kcihta / zm-v06e()+odd, -wer ;scqwinterference 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 the third order bright r/d ovo2n;k kba ;k29i;lewvr)9b,kffringe is seen at an angle o ;r,alfrbnkvw vk9; eik;/29k oo db2)f $6.5^{\circ}$. 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 experimesv*fa0fgm8w e+: jf5 ent, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m:ve5s+ *g8efwajmf0f, 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 trjei :jfif3-d 1a8;cc wo wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the se1ij i:fadrf;cj3-c8 lits. 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. Monochromatic light of wav /mtdbyugk/p95 k*2ivelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferenm d/y 9vgut* i2pbk/5kce 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 i8pfqn o 0+uca6ncident 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 thenoa 6pqc0 +fu8 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 nm, strikes ap y33b:f 6qayp 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. Dete pq 3:bp36yfyarmine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) aykfz.sb n 7qqx0qz)57nd red light (wavel f)qy 7zsnqxk5.07 qzbength 670 nm) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0 jkbww/ke7ux6w ,bi ey205 /ur.20 mm. What is the angular width of the central diffract5 /be,buw2ki7 e0jw6rw xyk/uion 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 lightyz ybrs-r7k0i1+w fz0 of 550 nm wavelength. What is the angular separation between the first twoz0ri r1fy+kz-ys bw70 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/ aq0jhlnu : :ibfk-q6 0.75 mm wide. At what distance /a6l-0:iq fkqunhbj: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 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 and the diffra8yioh0j t-3rxction pattern is produced on a screen that is 1.5 m from the ojrxt0 - y83hislit. 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 inokq k.x .+rbi 3:tdb;-ymkn3xcident on a slit of width 0.300 mm. An observing scrn r3 ytx.x3dk;kb:k+ mq. bio-een is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm m of(mai kd - f7/30oi8e,znohm4e(dpis incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the cedi moeofem d48(mzok7 3,(h0fn-p/i antral 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 linesiq.tfn swr; 2r9v(.fr per centimeter, its second orderfftw.2 q.snr( r;r9vi maximum 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 500)eimy 7(bc gw:hw,k n:0 lines per cm. The angle between the central maximum and (gc7wnh,: e)m :ybkwi the 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 th1b 9-xa w:wbuxat is 75 mm wide and ruled with 50,000 lines. The second-order maxx awx-19u:bwb imum 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 n.ooaxo xx4z0/2s2a h4p h2du600 nm wavelength produces a first-order maximum 0.350 mm from the central maximumo 4xho0xusd.z ha4nx2 22o p/a 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 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 ruled on it. Wausns s he;62e8; )adphat is the angular separation between the second and the third orders on the same side of the central order when the grating is ae s ;eh)uanp2;68sdsilluminated 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 b mr b4,6*wh::0(ln yjrje3l 3ijkpbqhues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first order: ,bjbejyqil3 6: 0wn* h4lpbjkm(rr3?

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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 first-order maxp5djdpgq 3 n2:imum occurs 32dpqdnpj 5g: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.2 whpinz 4ug0ksq(6n 500 nm is incident normally on a grating. If the third-order maxhn. 426sn iu(qgkw z0pimum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. z 4 yvv0rmhtbfk8.;:aire9,7ojr; d ;dzy)kr If the third-order maximum of the dk,z: ;vmorbft4 y 70.;r rkiyd9e); vz8h jardiffraction 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 lq,m 9/6k ay-xg ;yc (or20q vgejztw.sd, dk(nong is separated from another glass plate at one end by a strandgq vkyw(.x (jnr y6ckd tqes ,am2-/0;g 9d,zo of someone's hair (diameter 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 refractimb f-6fvh )mh *1-ze4 r)uic2sql lmgp(w/qd0 on of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength light? - u(w /)rmd12 f*6ghclp4)mliqemqhbfsv0-z

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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 isu/zds u/ s,1qz2n kxb. the minimum thickness of f q./1 uz xbzsds,u/k2nilm that will give an interference when the 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 nonreflectin zvsx5es4qh e.7 n*.njg film coating (n = 1.30) on a glass lens (n = 1.50) for w4q75js snheen.xvz. *avelength 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 intensip/i 62 2)gduzs cpkwrq2 6e0djty of the transmitted light is 16k 0 w/g2dcq2d)r2su ezppj i6. 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 prefer4za q 5i(m;3kyry. c r;;:t*hkrldp p-f4hn hlred 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 piece of glass at+x14l ve( +yb2cup;g)xms yod an angle of 1 le)s4+go m2;v yyc xu(x+bdp$57.3^{\circ}$. 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-analyzeroemt *d 2kk1liccv))7p gw(.wl/w2xbze g87o combination. The transmission ed1o kwc)ic.7t*p 2kgmbow 2 l8)l7 wvxg z(e/axes 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 thep. k p/n9k3vovoi 5qhu5sg68x8k,e b f Moon when its image reflected in calm water is completely pol.6esqik8oh g5,x oku v3 p8 /nv59pkfbarized?

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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 thiheo6)*ghpzg9t g/(o at/l 9rt g pw39ks process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle b9)r3(9tpggazhk * lg/9gho woe6t/ ptetween 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 vacuum and reflecting offhuu3 :to2me 4.xgb hjp6*tx2 n a piece of glass of ind6.nxthuum b 3t4he:j g2 xo2p*ex of refraction 1.48?

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