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习题练习:Physics Unit24: Wave Nature of Light

 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 principle.pie (obxxjuot7:;eh4 :- 9e(iab)yzj
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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 state tgv5be +1b 9dyidb9m*ment?

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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-n muxv)57fw w 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 attributu+ :fhrelpzu/w 1n 8nf- 3(myded 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 dif0+ofe 9y4n 7q dfnwed mc9u-x9ferent 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, ekjutcw0w 0+ m :2fd4nenters a piece of glass (index of refraction 1.50), its frequd+4c:2 00mnkftuwjw eency

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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 lwxg337ptjcch3 zfb46 +)r vses9h35 ,sog igtraveling in air, enters a piece of glass (indexl3ghr 5,7f w9zb4+g3etvsso3 c 6spxhj3gci) 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 respons3w y3yjmhj0:s5wx +a aible for light spreading as it passes through a narrow sli m3x0hwaws+5jja 3yy:t?

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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 buildingslb8s 2/cc- tln, whereas light is not noticeably di c -l2sn/ltc8bffracted. 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 ie,+vhe.)o m jdark bands when light passes through two or more narrow slits e+ov.jh mei),?

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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 )yh4ot ,-hdyci:jfq7(8oc9-swe vu k to be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rays striking a 25 o tsd6ft1iq 89nmr9pq2xwbscreen are in phase with eaf6s9t518bp im 92trx qndo2q wch 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 differentr/4+ q gfvu6 dr.sxz.4icq4th paths arriving at point P. If the maximum constructive interference is to occu q4 cg6t. rxqrdhi4s/v4.fzu+r 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 traveltaawbd3xk/ bewp- 1-- different paths arriving at point P. If the maximum destructive interference is to occur at point P, the -13 kw xa-petw/b-abd 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 centkw wwv8f:58zn ral bright spot in a double-slit experiment, light from each opewvz8fw w :58knning 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 d uefr wko,exr+;ze82on1 v4ll(x 9u) the central bright spot in a double-slit exp9e)xdkooerw2u1 e+f;vu ,l48n ( rz lxeriment, light 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 deq- 0k,;f*cxb .0uvmjo.g q wcentral bright spot in a double-slit experimenq0 -eujbkq; m.dvfo g0.xc* ,wt, 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, if the separation betwe x jc wc*fq/xt(h*.a;0bq(a njoc9alkw+ l:v3en the slits decreases, what happens to the distance betwhf ltl xo9cj(/ *xk*wa( qn aq.:3 ac0b+;vjcween 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 betweeei*loi7 ops4- n adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between l 4-eoi7i*so padjacent 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 e4brx9*6 rvzj, 2/mi-0 baf9pnk;ifgnzdl ; f$P_1$ 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 oghy7zs8.j) 33sgbrleoz10 /uxsn nw 3 f a Young's double slit experiment arrives at a point on the screen one-half wave b.zexsrs/8u30g1l) n yz7w3hs o ng3jlength 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 doubpwsd()x3bs/f n6j 08ckgf ebq, d3v) f8xw,gule-slit experiment if the separation of the slits is less than 0d8 ux x)n jq,w d,8cgb pf(bfks3/sew6)fg3vthe 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 doutqa(q /mc ibf**pc x+6ble-slit interference pattern using mpcm*ct a i*+ /b6q(fqxonochromatic 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 white light into jgwfk;(e), rfdifferent colo)wf,(g;rfje krs is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which af(nua0hc)hgca,e s.6 )m t9ahllows 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 4wxrprm2 1luy2 q+.o 6xizj2m*00 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 slightlyz+ b7ukdl-cb* longer than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refracphzxvau 9(a 4+ pqw7.btion when passing from air to g49.b7qw uazp a hp+x(vlass?

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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 undergoesw+*n1xpzsob t3- r: dz the smallest refraction when passing from air to glass1 o-+:pbztnwsx d* rz3?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with parallel sidesed 6ld6tl5 7ht, at an angle bet let6h76td5dlween $0^{\circ}$ 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 sourcek6 bkuy*) tmzm3ex4v ehr3(9 t. If she now holds up two fingers, with a very small gap between them, and looks49 z6mx3kuhbe*(vekm yr ) tt3 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 th-d.hah ;+ vi:e 2hriche slit increases, what happens to the width of the central maximum on a schi -h a;dh:ech i.+2rvreen?

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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; ono(iugu x3 wowvq +we*wjgyk./y9 3-*ae has 4000 lines per cm and the other one has 6000 lines per cm. Make a state9y (3 ugu/wwyiveoa3* q *-xjko+ww.gment comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same sli*quqlm;s/-fk 0rcg - dt separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratigqm*l;fc u-/k0-qds rngs 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 causedl )oal ukyt*cd.5x( roh z:0)a 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 c:smt 1 cyg yw.m7 xvm vhcm19ou545)wbonstructively or destructively, depending on their phase difference. One consequence of . )c 5m mxv5wt b mhysw:ouy7vc41gm19this 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 t3:.wpnx ph phk/xm*;f raveling in glass, strikes an air boundary, there iw p3;h:fp kxpx mn/*h.s

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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 reflected by a glassxlmjq 8qo2(ie,w2i0z surface, the 2xiw 28 (oiq0,jzeqmlre 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 i p7m1(bgbosq.n white light. As the film becomes very much thinnop( 1.bq b7msger than the wavelength 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 magnesiumrd.: ff iz.r)a 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 waveleifzrd: r.). fangth? (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 glas;jvouf*o/za.gd *o0 os plate and illuminated from above with monochromat *0jgo.v/o*oau f;dozic red light. 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 theo. (dgig(5k5jq kdq3n h j)pn k:th8 n,aoa02q fact that certain sunglasses can reduce glaroq ,n0akq gn((q2ng :hk8dao5)idp hjk53. tje from reflected 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 /zn( 0ua+hmo ajf0o:u 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 lix;hmc2yz1j +k. un s6lght in a dichroic material like a Polarn sj +c.l myxhku2z;61oid film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid /uh2a2u gmk: efilms are perpendicular to each other, what is the h:em 2kg2/uu apercentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surface of a aa9,9kut,k yrlake

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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 greil.dc f8g*n +ratest 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 d :+yn bj/r igu;uxth38iffraction 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 towa2 ed oek:b9 *m/(fktjdrd the zenith (overhead) than t/k9of*be e (mj:kd 2dit 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 inqm n7dh.dh7js6/;fbn xd f 3a;to glass, which has an index of refrn76 7qsfdbax ;m dj .hh3fn/d;action 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 ;1(yjkgsi cjbiybe.1+h7s* winto glass, which has an inds cs1ije;k.+1b 7gyi (y*bwj hex of refraction of 1.50. 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 vacuum. It passes into gn98a +h*ou/ dtj7j*wch(mbbauz9nf5lass, which has an index of refraction of 1.50. What is the/7jn*btbdc u j mf9hazhw u+8(5n9ao* 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 tra8ipt4asaj n 9521e tfso (ja*1ildfw5vel 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 ai rmq:j y -z6:8dc0g/absfi:ckrjf9g 4 r 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 to ypkt, rib ,qse725zf86lw q0ltravel 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 onz wqf5t3,*o 2kjof l,x0hxi9n these slits, and produces a fifth order interference fringe atk9wtx,x zlq5fio,hn j2fo 03 * 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 nmi ie,2c:csd.j falls on a double-slit and the third order bright fringe is seen at an angle oi: ec,cs2.dji 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 experiment, if the8wd/f7 )nq it6rlqx.b separation between the two slits is 0.050 mfqnt 7ilb/)xqrw6.8 d m and 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 separatp6gu7rjj 7 zrk(mq03f ion is 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 one3 pju60j(rqm k7rg zf7 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. Monochromafgew m;e8g.2h tic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m aw2gef; h.ge 8wmay, 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 double slit setup that 2c( bmno*l-qo has a slit separation of 30.0 mm. The resultant bright bnc(om2qo l -*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 twu g8 vf3u.u/gng0ze)jo wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an ang3n.) u/u z gjf0ge8guvle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting ohjhq m a5f.;/0mmd1zof blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick pi /qa1;hjm0m.fd o 5hzmece 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 s;i62v:aduus- a yt7amzwo0.n:*eq xs lit of width 0.20 mm. What is the angular width of the central v2ya6ma0 .s w d7q:xsta-z:n*;ei uuodiffraction 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, .oh hsw *prf:3is illuminated by light of 550 nm wavelength. What is the angular sef:sw3h.*h rop paration 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 7 )mui ieb4p6ttv,pcw2wn3g: 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 mv b) cewg6ip37, wt4up:int2is 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 me b7 k bh)5x9bj r)h*uw2nrq(mm wide and the diffraction pattern is produced on a scre ek5 h)x*u bbqb9mnrrj7)2(hwen 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 opzaf9 x+ 0p:mr 3pvtv1n a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the scre :z3f v0v9tra1+p mpxpen.

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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)z ;u *kvwjpg mk 2jp*sr*8-mdrving screen is placed 2.00 m from the slit. z ps8gjd* v 2m*)u-pkwrj k*m;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, itskn54z4*h: unhv)y +fh zio 5p*b:oktm second ordefk *pkn m:hb+y*zti huo n v:5h4zo4)5r 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 lwc/(2q5 fyak7xfz(z has 5000 lines per cm. The angle between the central maximum an(a(qf2c5 wz f/x7lzkyd 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 that 2kllu3 v8: je:ss xm.vis 75 mm wide and ruled with 50,000 lines. The second-order maxim2v8lkelv:xjm. u 3:ssum 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 promfg0jo0e i.4m5 cbs5 4gd9yj jduces 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 f4 y45mjjid90oej.c g s mgfb50rom 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 60j- d0kr 5bsv*r00 lines per centimeter ruled 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 ikd rv5rs*0j -bs 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 the gratiidve (:aigwh7,8 u+w 5k zk,szng has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first orde7v zi+:ehz g i d85,skkw,auw(r?

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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 the84 c 5zsdgd5+vmv ux+s first-order maximum55 smduvcx+s z+4v 8dg 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 4/ 3z erb4 qygybj.o6nnm is incident normally on a grating. If the third-order maximum of the diffraction patbrnj3yo4q/ zg e6b4.ytern 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 inco9yk u +i muhkff136h,vcw.t5 ident normally on a grating. If the third-order maximum of the diffrac1,f3h9m+f5hkviuck y.tu o6 w tion 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 another glass plate at one eun3/ jt + un/+boexee9nd by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interfeej nb+te / un3oe+x9u/rence 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.cc bdgr4 0x9s*0ge9 4yzswml5 What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm g95 bsyd e04 sgz49 wr0*lmxccwavelength 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 50 e 3*.zkzfanv+/egv)jg3 bwk0 0 nm illuminates a soap film ( n = 1.33). What is the minimum thicknv)vfe+e* ng .agj303zb /kkzw ess of film 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 th71ysr* y g k;)6. cmf(nssckzkickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.1sygkcmn .sk k(z6)cfy; 7 sr*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 placed in a beam of unpolarized ligh6h z*5+ bjvqkpaq-mp4 t and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred directj- h*ab+pqz4kpvm5q 6ion 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 preferrez(w)*.xfns6kai-zd: r;vl qo d 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 tgpl 46 *+dlgfp* xdh.piece of glass at an angle of .lpdgd6*gl*x hp t4 +f$57.3^{\circ}$. 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+;b0/(cugea 9yms3dg zcis7 u-analyzer combination. The transmission axes of the polarizer and the analyzer are aybc;sae3m+ c7(ug zi0 s/ugd9 t $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its imam /;lb4pv6.-(lk7 w nkuqkg uage reflected in calm water is comg7plu6lvb aq (m4/wku n k-k.;pletely 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 polarizer and then an analyzer. In this pr)2u gm6wk5m d4znze pn /dj0,iocess, the intensity of the light transmitted is reduced to 10% of the intensity incident on the 2k5 e i4wjz,d60m )p ndugmz/nanalyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflecting off a 0vsey0rb(;tjht 4) 1ro9c kkwpiece of glass (hkek1rjrc04b9t )os vy;t 0wof index of refraction 1.48?

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