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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 principl.q/hovmzkf 3zv77 pu)e.
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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 statemen9-ny zetdj 72ht?

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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 attrib1ca: u ri 0q7rmwvb5m/uted 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 atwu:q*;ig q aus3;.h hotributed 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 m ,llvb8r7 pqc.07o/gpmo d c/redium 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 air, e di/f6.+nv z9 ;yw z+vl1e0ir/j kldncnters a piece of glass (index of refraction 1.50), ij9y n 6v liwd1l0/cz.i;zdrvke++/ fnts 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)ken.i q(2m+t i lh)lfs73oiz , enters a piece of glass (index .i3q)f(t oh2z isline +)k7mlof 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 respons (at)1tv j;(x mmc 2olfh/ ivd46zs5adible for light spreading as it passes through a narrow ssjf c2thmo )/( (xd;mdv1l56 ai4za tvlit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings, whereas light (3p 4ofebj1zaa7ncofzd2yg /( . sh;uis u/z7(3jyaa 2oc gfps.n;(dbzo h1 4fenot 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 responsibl31ao4sktbyv( e for alternating light and dark bands when light passes through two or more narr(4ysv k 1at3boow 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 cyw*u30snfia rih57 oxu,)i2 g, gz9psoherent 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 lifc- zo:bgq wbduv/p*k4uymn 11:4 q5tght rays striking a screen are in phase with fqg*ypom-zvutd 45 u4 q:: /nc1kbw b1each 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 ql 1ct- l8/xo0zh2kgrtravel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the hkxqlrcl0g12/ 8t -oztwo 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 differente-* qyi6a9fu k paths arriving at point P. If the maximum destructive interfeue-9a6 qif*yk rence 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 cene*:x4gm-fpkyqn6mp - tral bright spot in a double-slit experiment, light from each opening arrivmpg64 xn:qey f*--kmp es

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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 spot5lwc*o 2oz;ux in a double-slit experiment, light *wlxo2 zcu5;ofrom 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 sidhm/-f7tnwd(gdu ):qwc/bz( oium3 9 be of the central bright spot in a double-slit experii9 (gohbwdq) wmn-db 3(fc:/ 7umz tu/ment, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, ifdtcf+53g g8qvm 1t g1d the separation between the slits decreases, what happens to the distancq+g 1ttfg 5mv3g81d cde 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 b1rpuw.z: l6ko v ew 9y8qi1:roetween adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit 6o9o:1re wrykw1.8z vu liqp: 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 trzw7q qwt0dwbxtg + -67avels 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 ),ciko7yyd i-a3zha 6Young's double slit experiment arrives at a point on ikdy, h-3 cyi)aazo67 the screen one-half wavelength behind the wave from the 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 impossible to obtain interference fringes in a double-slit l + wju8hm v8)akky7d1experiment if the separation of the slits is less than k1)78uyhml vwja+k8 dthe 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 ad8w2eu7 wesyg x6fd:k6m.d eg ;jacent maxima in a double-slit interference pattern using monochromatic light is ;x8ee6deg fd2m.kw7g :s6uyw

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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 ligrt/ ggn0-t(u eht into different colors u(/e-r 0tgtg nis

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allo y:sm7z8gg (gpws 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 c (wi8 p*hxpk;ralled

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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 tl9 :-bdwyb vb)09xbm; p fgqc.han 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction when passing w40 g83kk bobr :8 mw/ nrnojob*08ihxfrom air to ggk4w8oko:* w0 /j rmnhxoi 8bbrb38 0nlass?

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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 refrs(hesm3i: f1uh0j vn,hveu3 h 2- p+ctaction when passing from air to glas 1tfscn:spuhhh -e33, 2j( iv ehmu0v+s?

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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 paralle5vzn z1ail9eaq mrgp. u*6-7ol sides, at an anr.1p9 uza -6lgn mqi7v5ea* zogle 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. If she now holds up two finqsn8j kyb;*l)gers, with a very small gap between them, and looks at the light source, she will seen8*ljs );q bky

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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 ofc, *;ey+xxkmn x y90;r8kcg f rlt+0p,ze8hzf the slit increases, what happens t rf,+;hle fe mzyyk08zngc*,k 890tp;xx +rc xo the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 (1:yofhb nj7 4 hgsb 3gzs/y3(lp;uke lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gra ;kl34zbj h 1nsog:gf(uey/7(hy3bsptings.

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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 og ,5 ijgc;ljhmiq k1pgb-..i 0nly difference being that one grat .jhmc5 -qbgij. i;p0i ,g1glking has 3 slits 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 s/9 nt4 np,r7zhf aa,o, 5tggw9ncigw +lick are caused 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 constrqwv2v))) z;z x8bqieu uctively or d)z8vezq)iq)u ;2v wbxestructively, 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 a 0r8+ bs,omu.mgzcno5 n air boundary, there8rc, mbonzo5m sg .u0+ 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 i g+ew8 7ou/t/ji w1.qz3vrux tjre:*2v -cnn ds traveling in air, is reflected by a glass surface, thun/x7u / 8 qie*rzj3nvc t2r e.j:-d wt+1owvgere 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 film becomes very much thinnm-j4zs ae( u,jer than the wavelength of blz-j4umae ( ,jsue 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 fluoridke v b6p6d./tte, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass /b6 etd.vt 6pklens 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 illuminat.v4wp;+ pmnqbs ;x/t hed from above with monochromatic red light. tp 4sqvbhwn;; . /p+xm When viewed from above, 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 sunglasses can r 9.ks .,xqfkgeeduce glare from reflectg.s. e9 kkq,fxed surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polari/r2gn+mhbqa7nx k k5 9zation 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 like8f3v7w 7gozhc a Polaroid film3f87 zc g7wvho?

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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 perpendiwxsc + *ug5s3rv4q s1ucular to each other, what is the percentage of the incusx v4c*+ss5gq 3 1wurident 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,8o 6esgvq.gc 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 g1 sjeu)h t(2cbreatest 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 diffractionjcdh ((m*+gsk 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 01d 0 c;kvoz4e dli4rwzenith (overhead) than it does toward the horizon. This occurs becausedzco4;ewvl rk1d40 0i

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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 wavelengthhq(/we)qsw+yopk o3+ 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 oq+hw3 owyks(p/+)q ethe glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into g :rt8f/d bovt3lass, which has an index of refraction of 1.50. What is the frequentfotd3v8r b /:cy 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 p-77elpml a 5hof 600 nm in a vacuum. It passes into glass, which has an index of refractimla7p7ep -hl 5on 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 /ak/ n vku2c:xtravel 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 pk6 y oma,xb9;found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to wjzmeeyfyo625 a)cj(mp4 x:2travel 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 m j6;7*-hff cp k6y1y)tjogq ifm apart. Monochromatic light falls on these slits, and produces a fifthq)kj-i6g7f;f y t6y cp*fjo1h 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 the 0bmy/ v03- er1+pep4etetgb nthird order bright fringe is seen at an a +e 0eeb-nmgbvptpt0ry e4 /31ngle 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 expk-ojo bk/ 8ab*.ul:* vkmj1jieriment, if the separation between the two slits is 0.050 mm and the dis.ij* bo/k8 1j ok*:mba -ulvjktance 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 is5*nmbow*61jci5p ysd 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one patim5*ysj ob15 pn6dc w*tern 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 waveleng y yush*6sj/zv) .n,hwrep4*rth 634 nm falls on the sh*n46p w)v/hszuserr yj. *,ylits. 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 light is incident on a Young's doublds+q1vg s0sn dedn( 7lb -b5:re slit setup that has a slit separation of 30.0 mm. The resultdgq :+b5 d-sn(nre1dv0lbs7 sant 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 nm ngmcdyenzw s-t3 5*;(38 e ez/xij8lb, strikes a plain piece of glass at an angle of incidence of 60e. The indeel* 8 mezn3c /3nwsbtyd;g-e z58xi( jx 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 consisting of blue light (wavelength 480 nm) and hfns9dayx;uk l.i6p( 1ys(n) gfwn0 5red light (wavelength 670 nm) is incident on a thick piece of glassn(1 9y. ydi 6h(u n)a0swkflf5;pngsx 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. Whatkke :h8da39e. y4 icax is the angular width of the cendie.x a:49eack8h 3kytral 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 widdl27vt i7xonbn4 hn,, e, is illuminated by light of 550 nm wavelength. What is the angular separation between the firo2t,i 7vnlh4db n,7nxst 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 axk4u2xl.x8yh* nwrb)7p 0itz 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 pattern is to be 1.7 mm from. ) zhy wi2x*xb0un8plkr x7t4 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 mi3,zf -wm/ajz8jvm yo( z *x*am wide and the diffraction pattern is produced on a screjzzvaw-(* x3iozm/m y,*8jafen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An ob0 0cgc0akl6xmbmn2wpfsu59c-w9ku+ serving screen is placed 2.00 m from the slit. Finc5+w a6 9wl0fx2k k9m -cm0gcbu0spn ud 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 is incident on a slit of n)6w( cecl.7ik3mdemgs) :ht width 0.300 mm. An observing screen icmwdg h 7m)6 ctli3k:.s)(nee s placed 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per c i7yjk2/y 6 6m.alnv ziulzh4.entimeter, its second order maximum isn.vzmhi 6/67ia2zlyyj u. k4l 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 fr* cnv9t9i4ph (tjz 4h6ro ;ithe central maximum and the foc4i6h; h ov9( tzr94jrftpin*urth 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 grae*i 2-/ ;6qomq to7g ontwwe9rting that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen at/*itnoqw-9wt6mrg eo7e oq; 2 $32.5^{\circ}$. 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 produ(p x6tml1 -v1sdnyd;5 dxtq1 oces 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 cet-pqm o1yddt5;s 6lv1d x(1x nntral 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 or.m chw,c- li)/px-vy68cv adn it. What is the angular separation between the second and the third orders on the same side of the central order whv6cp)adxmc rc.i-h,lw8v - y/en 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 f q+3ar4dil3dc;ktk bu-g ;1mgrating. If the grating has 2000 lines per centid4g3r-+ ka; lcmbqki ;t1f3udmeter, 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) is usj;tq c(/2qq5ysm; yoded to calibrate a grating. If the first-order maximum occurs jqqds2t ;qc/y m5; (oyat $20.5^{\circ}$, 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 wavelengthc c2iinruj7u 5( ey-n8 500 nm is incident normally on a grating. If the third-ord5ec uj 8-unycn7ri( 2ier maximum 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 wavelecqn/t5 q th* svb iav-r-(/ 3p9joax.ength 500 nm is incident normally on a grating. If the third-order maximum of theq jso/3ta-v(cbx/.ahe *qrnt p 59v-i 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 az6z40d)w- n cef-baqwnother glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent inte0an)w 64 beq-wcdzz-frference 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 min;aejh/xb7/j ;ef ke,kj5 g.gaimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lixg7gj/j;j.f , kb/a a5;e ekehght?

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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 mi1hcn7 zjvw (l,nimum thickness of film that will give an interfeclv1 h (jn,w7zrence 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 nonreflecting film coatingpi*qr y. kjpv 8a7j+3f (n = 1.30) on a glass lens (n = 1.50) for 38jia+rjp*kfy v .q7pwavelength 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+u+)4 yw djft;yor7ik in a beam of unpolarized light and the intensity of the transmitted light is 1. A secon ktd i y+yj)4f;wo7u+rd 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 prefem6k ahzhvpc) 1 iq4ssk-3a/b.rred 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 pfw:sb y5e6tm8 lu-nw,y1 h9z strikes a flat piece of glass at an angle of u zlyb8t9 -n1ys pf65 h,we:wm$57.3^{\circ}$. 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 passe asa6c 8 xyl(z;33hhnmd through a polarizer-analyzer combination. The transmission axes of the polarizer and the an68h3ay3hx; czlanm s( alyzer 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 horce.,h96ync hi aubdr eu0 z3-8yw2k4z izon is the Moon when its image reflected in calm water is compl9uaz hcie 4b.un 2rw0yh-,ez 6ydc38ketely 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 passesz 87 bbicosafab yh 2847j5nhml x:e;: 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 angle between the axes of the polarizer and the anaz8 2b:5jhmoyfxn7;l8b :ha isc47bealyzer?

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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 pjp(4b *.idco and reflecting off a piece of glass ofpdi. 4jo *pbc( index of refraction 1.48?

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