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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 princshgxdc ki*iy xto))h 61e7zi 9s9r 47niple.
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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 aoy3kohxq 7t-,/z *bai 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 light is attri ngou7ut 3h0q6i(f 3eebuted 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 attrajgtm drg i)h,)*v2+eibuted 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 du t xb;pi6-c9+ow1 hmqensity,

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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)rijf yj ..wo98, originally traveling in air, enters a piece of glaj9ow8j.r fi.y ss (index 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 traveling in air, entern;eork: vz/ub tal 0v 9kf8w:1xa0xgkcn +2k,s a wk0vkkv nn:2:0 e gto rl;,9ax/8zb +cuafxk1piece of glass (index 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 responsible for light spreading as it passes throug:rh c*ec0rjo,c -wbk0 h a narrow bck-h* w:rcce0, 0ojrslit?

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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 oiw6jbb 5fj 1;fv3ox2as buildings, whereas light is notfb1oox fj23jb5;6 wvi 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 responsible for alternating light and dark bands when li15nr adlel:65drze2 qght passes through two orl n6er r1l5d2dq :5eza 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 bezu zo:gb k)6 d91wqk(o 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 scrp1ybp;/t2kc zeen are in phase with eackcby;p /1t pz2h 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 at point P. 0b mllq7jk9k6 If the maximum constructive interference is to occur at point P,kjl6q0 l 97bmk 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 r7 c n3g:y*gcytravel different paths arriving at point P. If the maximum desyyrgcgc73 * n:tructive interference 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 eitherq1f.sx iw 4)jo side of the central bright spot in a double-slit experiment, light ffj 4wq)s1xoi .rom 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 t/vgq .t4hk(eohe central bright spot in a double-slit expevhq4. e/kg (otriment, 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 thevn;r)(di nmvf sme 54ed2; zx4 central bright spot in a double-slit experiment, light 5ind;smez 2 )edrx; v( mf4n4vfrom

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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,vei3xj;l9p9v8xr 8z j if the separation between the slits decreases, what happens to the distance between the int8v93xxej;lz p8 9irjv erference 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 experimep qrqvxy3kd; jml6wo*we9c49i: q3n 6 nt, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacjp4 imn:dvw9*;oq3 6cq ekql693xrw y ent 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 pathtx:d8k6-ycpf $P_1$ 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 slity2 v)pkn** kej of a Young's double slit experiment arrives at a point on the screen one-half wavelengp*jnv kke)2 *yth 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 tc u+0ehh65pug o obtain interference fringes in a double-slit experiment if the separation of the slits is lesse c05h6uhup+g 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 patter :/6ahpcecd l.gt0af-n usi :acagethl/0-c.pfd 6 ng monochromatic 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 kdx8h)7rniu.u c73krw ,uu6minto different colorsukhuk78uinu .mr,rc7 x w3 )d6 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 allg;7rh4zdqya - 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.r8osz o1e xh7cr zjqk071 c3g 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 than 75,fd;c7k r qn(r0 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 refrai 0ob py0p72tclr6 2bwction when passing from air to gwby l7o0 p20i6c2 pbrtlass?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing fral 9b0a z0yqca b ;*l,:rq z/2wtz0ws( pxyut*om air to glassy*byawz2(,c xr 0z0q llt* 9z;wba:qs0/autp ?

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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 platda9 g07iybmw x 48+cjye with parallel sides, at an angle between 0w9dja +iy4mycb 8gx7$0^{\circ}$ 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 l q9n0 pitcqo*38mri n-ight source. If she now holds up two fingers, wiqnci3 p-im*r80 9notqth a very small gap between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increases, hd k uqoc-r..:what happens to the width of the centrhr qu d-:ck..oal 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 lines per cm and thc4pte wtx93d3pjfu/ :e other one has 6000 lines per cm. Make a statement comparing the dispersion9/tppw3j4df3:e c u tx 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 slitcs w*i75;5xs n,h 6qao6jylptn+pm* e 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 monochromaticm*76 isl 5 yaq,5po pcw*nxsjhen;+t6 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 9-pwlg ssx.n3caused 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 interfeqc lv627 qef /lwp+-gndk,.ro re constructively or dest-r,v/f6qp2cqwk7d gl.oe+nl ructively, 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, whichx-wv tsl( )z c0,1* n-jfczvno is traveling in glass, strikes an air boundary, there iscw*lfvx 0z-cnnz)- jts ov ,(1

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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 reflknqiakw*e339oe 9) m9-t5kjn klx.daected by a glass surface,j5eq9k.m)aak n i3nt kex *o9l-wk39d there 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 bff t5s0l4)fp)vln x*w8th-g g7z hs6q ecomes very much thinner than the wavelength of blue light, thp h)f6nwzv5*t-l0qs4 t lx8ff h7gs)ge 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 wavelengtja mnqgie45g *aq 49/9.osreth 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 wavelrj.9/o4se5 i*gnqtg 4aae9qmength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminated fr .01vumfg zvz2om above with monochromatic 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 co1.2gu m 0vfzvzntact?

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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 tpf: 9n-n of7gbhe fact that certain sunglasses can reduce glare from reflected surfaces?bg:o nf9- nf7p

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is de rnbg n71zh4osf/t 0i+fined 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 ll*yo-qj ws cuj;r gaz190 4b)pight in a dichroic material like a Polaroid f1 ywqs 9g4p*0) lrazobuj;-cjilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission az axubb pp,4bzt.r-qyb.74h9 xes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pa puyrzp.zb.4,qthb7b ax - 49bss 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 j:)ofge ir;i)gmrb 9) 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 greate ;u8w (+ p1i1cs7 cwm:tryhzgast 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 diffraction NOT /4mp fka-zy4y77o ayfexhibited?

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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 (overheadcf pmm v u(q)0k-z*0o5 soynj/) than it does t)yu/cf(- sn5 m0ojok0*qm v zpoward 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 into 5; 7nis c29jpqracl8o9qaf g,glass, which has an index of refraction of 1.50. What is the ,2f;j9q5n8pqg s9 cara7i olcwavelength 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 /d7m ls:jcf7qglass, which has an index of refraction of 1.50. What is the frequency of the light inside the glas/cs7 j 7mqdl:fs?

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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 i x*d3-1 .r l3gfo u oz-jfhgy)0diaq.un a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light ui3. d1 lz-)r ofdyahog-j*f x3uqg.0 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 w leq.qm4r, 1kfound 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 nmrv tvu2kr4h/9-vpkhop1 d* x ) zjj1,t in air 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 a/6*gch.1 (h1ay hega i(./ -fj aqm tcllngsw0ir is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falks y 7( 0+0lxj(h:qpyqvvzt *rls on these slits, and produces a fifth order interfereyyv 7(00z:pj h+tv( qlrxsq *knce 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 brigr)0v)ig x2.ps fllc;sht fringe is seen atllx).rsvf; g 0) icps2 an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit expee2 tiwegc5jgrk/ k, 9ilv1-7wriment, if the separation between the two slits is 0.050 mm and the distance ,iiee gr-j1lgw/t 7vc2 k9wk5 from the slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two wavelengths,gu) j.xcd,s jk,8ghrz/9 5nll 750 nm z8h r)xj/j,nu5slgg 9,.kcldand 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 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 wavem2-sc fym5 oz*)gn0 oelength 634 nm falls on the slits. If there is a scr o2-s z5g*mfco)0 nmyeeen 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 in(m:yerrjd d6zu3 3 po2cident 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 the separation between the third-order bright fringe and the ze6m rjroe(2 zu:dpd3y3roth-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 andnlw 5my5v:;vf pvpt 0ln:29 lvamc+ jii389wv 700 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 the two beams inf0min9 5 n+p8 3wl vv5pl;ajyit:v v:mlv9w2c 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 red liggg3z 3s(6,tambhgk/m ht (wavelength 6ktgzhm am g/(bsg, 33670 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 0.20 mm. What is the angular wyrya:qo6 +:k kd hn6x+e1m/gjidth of 6 aqnry/eh:ym1:g 6xdkjo+k +the central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.0fdh (2h+dm:k u66 fhqp50 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two du fhhhdf 6k( +6q2:mpminima 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 inc+hyz.9+ oryj9c;awyn ident on a single slit 0.75 mm wide. At what distance from the slit should a screen bhcz oj.an9; +y +wr9yye 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 diffrahumw (3m0xa/ 9lts9/ wphz cv,ction p9hcwh u 0wmv3mts9/zp,xa (l/ attern is produced 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 incident on a lwamgaz5j; y; je( y67slit 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 j;y5aeawygj7 m 6l z(;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 width 0.300 mm.gwaxkmh5 g) l 0ejh q73)k+-ba An observing screen is placed 2.00 m from the slit. Fin)lb3j0-gqkmwhkgx + h 75e)aa d 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 rpbet/ mej(2; with 7000 lines per centimeter, its second order;bmepe /t2j(r 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 5000 lines per cm.oxk+7o b /2hfsjpv6s ux n4l5 1ybn*1p The angle between the central maximum and the fourth or2s o +1nxpuy1x7bkbs5h6f/jn4l* vp oder maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a grating that is 75 mm wide anq3:pq/z( d z4eemf rurow9d71d ruled with 50,000 lines. The second-order maximum is sq/9m7r13z ( zperwfd:eo 4duq een 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 produces a first-ord) -zbh+g;pw 4pw*et uzer 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 central maximum when it passes through the same diffraction gratinbe )h4w wugp;zp+- t*zg. 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. Whatt0 3rwh,cy2k z is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of li3ywr,zh k0 c2tght 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. kfcg*:.* k sbtIf the grating has 2000 lines per centimeter, at what angle will reg.:bk s*k c*tfd 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+xb9vcvq: tw: ) is used to calibrate a grating. If the first-order maximum occurs v::v +b9cxqw tat $20.5^{\circ}$, 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 wavelengtwnuou7 ox18g9 h 500 nm is incident normally on a grating. If the third-order maximumoxng9uu 1w7 o8 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 incid6; o+/di+jbg4ry b h cr)d*upgent normally on a grating. If the third-order maximum of+cb +u *dpdg6rby/ ;4g)rho ij 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 separatedya0( x6n )j9vw4 togc4)n ldho from another glass plate at one end by a strand of someone's c xjyo4v4n0 )6al9ot) dhngw(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 ofekr2 nh e8fh+e6x+yoiroaf)b( 4vk-* refraction of 1.33. What minimum thickness of this bubble will ensure maximum rerh6+ yvb-4oh (ee)8kfrn+a *2 xoie fkflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illu5j6e8 iz6x k n nwpiu+(wl1c6vminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light i5n+ juie (6wn wk1i6z86xlcvps 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 coating (n = 1.30) on a hhuo7k)dp03: ) orjyeglass lens (n = 1.50) for wavelength 500 nmdo3) 7 hkhpej0our):y ?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer ise( 9hphd.lpl+xg7u6b(qs 1p-n 2su ws placed in a beam of unpolarized light and the intensity of the transmitt u p2nwsh-s x.u1+ l6(97qld(ehb gppsed light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred directionkv,s a:j l(ep9 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 ligh+z(xpgb 7jt*u6e5 qkxt in air strikes a flat piece of glass at an angle of gz75 +*(exk jt6 pubxq$57.3^{\circ}$. 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-analy zafl04royf ry,utqqs: 2i,/-zer combination. The transmission axes of the polarizer and the analyzei -:24o zaqltryy ffs0ru ,/q,r 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 zxi75b) y j.5g sr;ga-zi+o nzreflected in calm water is completeniy-7)zga szb+5z5i .g xor; jly 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 analyz+10jn5fvq/ jrv*zh 27 ydr)peooe8ow er. 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 ther )owh vo5n/8 rd p2+qvofeej1 z7y*j0 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 iy ug s/9k/b-ypn vacuum and reflecting off a piece of glass of index of refraction 1.48?uy9gsy//k b p-

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