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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 principle0m5xnbuicf 4i3z ifenw9o + /e:;dy6y.
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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 stateme-j0sxtkpb 5*lnt?

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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 sviz2 p7 frjjz4-1z8vattributed 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 liyg +/(: llj3skmq+ qj(wdmo1xght is attributed 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 differeh.8gx;k bton/qz :c:k nt 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)b0h (ar+ai2sf , originally traveling in air, enters a piece of glass (indi(s2fh a+b0 raex of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally travej.32.cqt3phf m9jn/ dc )zgucling in air, enters a piece of glass (index of refraction 1.50), its wavc/m)j. 93dh qcczu.n3tp2f jgelength

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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 spreadi2*w n0-qgdgt +jg/e( v*tdk 6sj7kajlng as it passes through a narrow slit?k q(w 26 0-tvdgd/ ask7+jtj** nggelj

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffractedut 3t dc8t dgvo:gbp1 vktn;c:8u20+a by large objects such as buildings, whereas light is not nb g3u1p:8g0kn+vcttcdvdta t:8uo ;2oticeably 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 responsible for alternating light and dark 2hpbdga;e 1+p bands when light passes through two or more narrow2edh;pgp1a+ b 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 ricm9 ,wagdgi/.*dg+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 sc ae6ug+bu, c+ay that two light rays striking a screen are in phase wu++6buac,g ceith 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 paths arriving a)gsn pi:lq) y3t point P. If the maximum constructive interferenc) sn)q g:pl3iye is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at p67z7tp e cyin3oint P. If the maximum destructive interference is to pzyt7n eic376occur 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 sidenaxwf- k 0w0:h of the central bright spot in a double-slit experimenf-k ha 00xn:wwt, 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 centralplg wau i3:q.r8 4wb(x bright spot in a double-slit expwxw.3l(8 b ua:i qp4greriment, 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 central bright spot in a dga g.pp 8mv+v i6h.d;houble-slit expp va .m6dg gp+8;hvi.heriment, 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 between the slits de2 44f94 jsr yhsxy ulaaux*s(-creases, what happens to the distance between thay4j2uau s4-4( xrs*x yflh 9se 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 observwcb w/-d+s ,f3zc0jkoed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance jd,+wz-fcwb k/3 cs0 obetween adjacent 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 kqkavzf:d2azo4ep7g8t9 q gd , (/pu0$P_1$ 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 experiment l0og me k2ip /:*c/k8nc h op4t 3hbipmie54d5arrives at a point on the screen one-half wavelength bci ikgop85od5 ntk3me 4*/ecp p/bh h2l:4i0 mehind 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 obgpujq/9yh t/5la 8 5xrq.lh5u tain interference fringes in a double-slit experiment if the separation of the slits is less than the wruyh u5.qt95j/lgq8lx 5ap/h avelength 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 h8vmo9nm mtk/3b4,lq a double-slit interference pattern using monochromatic light is/3mk noql 4 vm,9b8htm

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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 intoht pljhr(*u (j6ud/f; different colors (jt r6plu*hfjh/ d;u(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 allui*quuk , ui77wv 2cv3ox:it-ows 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 r0 j 5e8y-x+*bknudxtc)s s0ualled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is cr l :80 5d 4mznvv x2brwz31kfdge05svalled

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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 greate7cic;js(/bt6a /db6 0mte iebst refraction when passing from air to jdib (c/c e;b/tmbi60et7 6asglass?

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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 refract /gfwq s8l-k7uax.:lp ion when passing from air to -/ aps.7xw8ll: fk qguglass?

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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 s 48k5u4gnenim 6qg /sthick glass plate with parallel sides, at an angle bei46un/ 4qn5kggs8sme tween $0^{\circ}$ 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 pypp 58 80 ngf-m;uhqrvery distant light source. If she now holds up two fingers, with a very small gapq- uf8;rh m58ppgp0ny 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 difegag8o,d9 j.cfraction experiment, if the width of the slit increases, what happens to the width of the central maximumaj9ode g.c8 ,g 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;/ 1gbz nq 5ntfd(yo3z7 one has 4000 lines per cm and the other one has 6000 lines per cm. ( tn/5ob1f zyzgn37 dq Make a statement 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 )dlrsi o4o rk*a( mdu0r(o2 6egratings with the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a rra(idooro2 lm*)s u046ke(dstatement 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 yajp6 8,ifoh-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 ;z :hvqcwapw8d:pg dt8 4*u9k can interfere constructively or destructively, depending on theirhav w: 9 wk *;d8ztgc8updp4:q 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, strikei k o- 8q.cjtrj2r12vus an air boundary, there it2r .jr- ocqkuji218 vs

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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 tra5cxn)ksry9cr kqtm5h- qkiz: w.-x0 / veling in air, is reflected by a glass surface, theyw xc -t .h:zcr0s-kqi9/mq 5)5xkkn rre 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 file5c cte6 5qao;m becomes very much thinner than the wavec;a5et6c e qo5length 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 magnq.l,e7 q wn d.gb/t)paesium 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 magp)tqb nagw/ ..qd ,7elnesium 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 3yae(myr h*9nfrom above with monochromatic red light. When viewed frh y*r9en y(a3mom 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 resv+2 +faygpviin 9af 8 0w5nlq8+nwkp0ponsible for the fact that certain sunglasses can reduce glan8kanvn iqf++y0pl5 fw80 vi+g9 pwa2 re 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 dire6lenrg n7nsjx-9 -dx6ction 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 .;rfel3tyx2 b- e qem1dichroic material like a Polaro3e 1fq ylt.be2m; rex-id 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 films are perpendicular to each gbe m8g88noze8t* s :tother, what is the percentage of the incident light which will pa*o ge tb8e:gn8z8 mst8ss 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 d9vm)iortcwf ,) ; h8ud-opr9jb 1kw+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 greatest v0v hlv7wh2yi o-p7- bat

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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)aybbd06 0y m8 qcx( ..9re9hr bfybpe is 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 :ck jyuc4js) +mx+ 2zw8)xxy hsky appears to be more blue toward the zenith (overhead) than it does towa+s z)mh)ux y24+8:xj w ckxcjyrd 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 wavelengbp;- b z ls*l53vg2 gvv31j:nrekqqg 3th of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What isvqgv- bzv kp*3r;3ble5g1:2ljqgsn3 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 into glass, which hasbw*vb:z6 vgav4q 6h4k+xiz f ( an index of refraction of 1.50. What is the frequency of the lightw bv *f6qzxv4a+(hb 6zigk:v 4 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 passes0cf)x4,y2 kp lfiv ;mj into glass, which has an index of refraction of 1.50. What is the spcfv,;p4) 2xf jm 0yilkeed 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 travew3d/xsr -8aai l 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 found to travelh6ez(h uhq- r5 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-cozyghu/l- x *xdgh2+f;/bbz dy 22r 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 m :/ahg9,dp;r m x-jvzbm apart. Monochromatic light falls on these slits, and pdra gvj; m,/pbxz9h-: roduces a fifth 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 ausm22h8w ftcc 1 zel3wd6q-1 on a double-slit and the third order bright fringe is seen at an angl8231c t6c-w a2 zl1hdumeqw fse 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 separation between the two slits vne;i4*)pu lp0r ,jrc is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing bet,lr c pp);n*4r0uij evween 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-oya; uyyw 1r3 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 pata3-ywr1; yu oytern 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 0.05 :xdr91si0 :4vfklsuq- 2 d9yapzj du10 mm apart. Monochromatic light of wavelength 634 nm falls on j ixu2ul910fd-y ::pk vqda s1s94zrd the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incideqp +gtc8-/w zyw/dzy/ 9rb*5 2vpv dagnt on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fr- / p+zcw/d9 rw2vgyqb 8*5tzdav/g pyinge 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 7 72qig,u mxz1t00 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between t1g7qumzt x,i2he 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) and2-9+o wjuzby nk7s)ac red light (wavelength 670 nm) is incident onc-ws)byk+n 2o7 9j zau 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 0.20 mm. What is the5ll dwd33r9jp angular width of the cen 5d3j9rwpd3lltral 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 0a0 i 7f:lmc6honw+sr *.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between t:cw li6m+ sfo0n r7ha*he first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At wha ok qnu hs)-s-3vvmm94t distance from the slit should a screen bvknsqvo -9m43-ums) he 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 in9tmim7y-py puoj 0mpf*+ ju(*cident on a slit 0.20 mm wide and the diffraction pattern is prodj pyfi7*u9m p0 *ty jo+p(mmu-uced on a screen 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 incvo4tkmq ig:o 0p3+t:k v ak;3gident on a slit of width 0.300 mm. An observing screen is place0+ v3ktg3o :ioa m4kgqtkpv; :d 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 is incident o4 dfrcw ):xv 73quo5ozn a slit of width 0.300 mm. An observing screen is place3o5fcovu4 7w:q zxd)rd 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 centime/t66,+ dtiqfs9hpeb tp ,d; nnter, its second order maximu/ qs+9,fp;tp i 6bed,tnht6dnm is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The a o k54xll+qqp25ym -wqngle between the central maximum and thk-m5q 5yxp+ wq24lqole 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 a/h9xen8twh)yhvf b e e,+ vd0a(r. p.is incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-hapw .r, t ehde 8vavf)hneb0.x9y(+/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 experim1vfk uptujfol4, vf+: fjr bz3fncf4 6jl5+49ent, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maxi 4ffkfbtlfvvnujj r3 p:,4jo+zf 49luc+5f1 6mum 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. What is tjvw*ghpn1dar z0z+ rr ch4 x)t 8hg0(*he angulargha0t r1z)(dc 8rg*x4h0wh+ pv *njrz 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 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 cf8jf:tqp: ,sgrating. If the grating has 2000 lines pefcp,: f:sqtj8 r centimeter, 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 uq+.td tap1w2w 5 odyw(sed to calibrate a grating. If the first-order maximum occurs o y5.1wa+twqw(pd2dt at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident nor76zi x7m s5kxcq9vf.w/vy gh3mally on a grating. If the third-qxhg6ym.7vi7 z5kxfv 3/9csw order 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 wavelength 500 nm is incident normally on a grating. +zgwwtcp6 l29 jwo+v6 If th+ 69+wwj6 gz2vtlpw oce third-order maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at one end by a 2 //kzy)5eq +tn )rc dk07fy: usmmjfxstrand of someone's hair (diameter 0.010 mm). How far apart are:tu /fz0 )m27y5xkkr )+ yds f/jeqcnm 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 refractieme 7/) kvd8b;yg/vqion of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength l y)/ q7kd m/ig;evebv8ight?

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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 illumi)rdt ee.6yz3*o )wwmxnates a soap film ( n = 1.33). What is the minimum thickness ofwxr*)m y.) zte w3doe6 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 th jf4l,g* s jlm4k tyaxpi7u410ickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 5lf pl1ka, 04y*i7 xjm u4s4gtj00 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 intensity opf3gpsuh9 13xf the transmitted light is 1. A sef3 hu3p1gp9xscond 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 preferre92c9 ftx u)tvg -xz0gd/c/ laud 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 an ap613)aem9vdyy :e6gym q gm.d ngle of p 3)g1ad ygmvye6de9m.ymq6:$57.3^{\circ}$. 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 combination. The tei1l2q/cm(8mrl hm2 x ransmission axes of the polarizemml c2l(x2imr/ qe 81hr 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 the Moon when its image reflected in calm water wmy vde.4-9),pi.umkh 2tt pn is completely polarize.2mmt4-ei,ypudhkn.t9p ) vwd?

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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. Iz c-8+gff *lqwn this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angcq*+z 8lwf-gfle 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 lign)geps5oc ;1pkg i;bd v-wy1 +ht traveling in vacuum and reflecting off a piece of glass of index of p w5 ;kosc-gdyebgv)p i+ 1n1;refraction 1.48?

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