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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 princi:ptzf;qh g4v,q j -()by2crf qple.
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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+uu: v:.xxndpg: )jr(2vh7 c qf pct6l 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 e(.,o4.scucoxv 0w q+m0 jcpq 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 ign+j 2)mb k+iattributed 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 opt0sje3s r3k+cd ical 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 nmyo5 wymo:1ds .), originally traveling in air, enters a piece of o y5.1ws y:mdoglass (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), origina 3nr arqxpn;sp(w-e k uf1(b0d+ig 02jlly traveling in air, enters a pieb;i2 nfp3-xqpgn( +sde rwja1ruk 0 0(ce 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 lightc9 fh0d;w+v bp xv(3hu spreading as it passes through a narrow sl+vhu9d hxf ;bvc03(pw it?

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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 lig1 poc,h:dqgiol7 )ht1n0 ln b6ht is not noticeably diffracted.0c1t7l ,)p6 g:dhli q n1ohobn 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 w t+b7gx -0 s:edao(vu8im)glvhen light passes through two or more te0mb:vugv(sod )g x7 +8li a-narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be r8h(x4mad09 x xhm0hqcoherent 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 scrlu4e9p6l d )uveen are in phase with each othlp )4ulu69edv er?

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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. ad ps/ fmfcn-kd4* 4;l If the maximum constructive interference is to occur at point P, thec *k;mdffp4a l-ds4n/ 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 pps3 p 6b .roo78sdvwx7oint P. If the maximum destructive interference is to occur at point P, the two beams mustsswpb 8.376v p dox7or

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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;ox9:qxh 4lktt77 uoo side of the central bright spot in a double-slit experiment, light from each opening xxlo7ot;k7q 4: u9ohtarrives

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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-uhut au 666t*u l xf0mn8b++ ugs0qth the central bright spot in a double-slit experiment, light from eachqtnmu6*86+ ulu-tb0g hhsfu6 txa 0u+ 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 dou,jx iiv3-8 yf lpum xfdj,2v:-ble-slit experimpld -xi3v2ui-x8:y , ,mffjv jent, 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 separatio )ed,)x -tg6ia,/g ak muxqdt h2*pt8fn between the slits decreases, what happens to the distance between the interferef,it *a2g, d8x) tdgm e6xuk/h)qp-tance fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between adjacent;y/71iy9oxvrbsp0gs maxima on a remote screen is 1.0 cm. What happens to the distance between adjs b;sv09g riy/ 7p1oxyacent 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 pat)a etux,cypmq 9 x3+yj.2/spv h $P_1$ 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 experul;zs4t mr3i)y x*q1yrj6e 8riment arrives at a point on the screen one-half wavelength behind th ye* trys1u4jmr z3);8ixr6lqe 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 frinm up :;zdy5tf7ges in a double-slit experiment if the separation of the slitz5tpd7 u;fm:ys is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit io1d2*,ws flw tyw-f 0gnterference pattern using monochr*1 tf-2dlys ofw 0gww,omatic 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 liua2dvf hc-9 kc51 y0oyx,pc7lght into different colors is92 d-cuo,7xf y5hyv1cplkc0 a

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbxd /:q jm5x l).0s /p.oysw3uza6yzvkow 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 shorte7zvku0 6ggcfd0n7 uo( r 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 lonu3bj0 fx//mz2e9hqd *:uocfjger 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 refrac6oztz :5mj*kwtion when passing from air to g* zo5w6t zkmj:lass?

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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 passi)uwfo ,8oi,y(yxwt(, kia oa+ng from air to u),okx( yi( +8ay ,fitwaowo,glass?

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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 sides qpv0i vvh95t.sjgbdc*tgh.9+lf7 : t, at an angle betweittv07+95 :*l dghsbtpfvcj.v gq9h . en $0^{\circ}$ 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 9 hr,(wlsh ff2 s(d: gr8mqhe(light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she(r( 9 sg2ffwq8remhl, hh: s(d 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 s.lv5(d(agp , fjf* :bqmu-cnvlit increases, what happens to the width of the centra.nm,q jc vd*buf(5- g(f:alp vl 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 the other one w:pxps)co7a 28wgcz k 9 j/o:*-i ldlxhas 6000 lines per cm. Make a statement comparing tlo2/cs* c -ld xx7w)o ka::zi9pw8gjp he 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 sl53zdpsm*9.l te 8pdrlit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illu3t.*9sdpz8ld me 5rlpminated 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 cau vo 3g:)/ zn(gmo0fqdssed 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 canikue+/ly 0 5ti interfere constructively or destructively, depending on their phase difference. Onel/eu k50t ii+y 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 an +d 3ec ,so1 6ofox l jthko)uhixtr6.-/e7v5x air boundary, therehs6ehdk cor1 7l,o 6f xo.+ov)3 t/txje-5 iux is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is refle/xtat - w/lp)zcted by a glass surface, ther/ a-/z)lt ptwxe 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 m u;37x gewip 1hbivj-0h )pp7duch thinner th phd;)gxi71e 7 -0vpb ij3pwuhan 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 magnesium fluoride, hcm7ge /c zfm292y9p bwhat is the minimum thickness of magnesium fluoride coatin/mmhe7cg 9fb pcy9 z22g that must be applied to a glass lens 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 a.;2xq kfkvv-w0rk- c wnd illuminated from above with monochromatvw2fk-c- .wkqkrv 0x; ic 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 the fact that certain sunglaiv/f n2 *gojj/(rnee8 sses can reduce glare from reflene*v j j(g/eonfr2 i/8cted 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 polarization is de ) y(c3 2uais;nc*tygyfined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like a Pola5qb k*ad: 1imbroid :1km5d*bai b qfilm?

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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 psmot.7)5grv7;5n k3 ca 2oasl vut:wx erpendicular to each other, what i.3;surxwmvoaa52 kt gs7tv5cn l): 7os the percentage 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 o u jsn2u5zv/ol7sk37a 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 suq/7f+/d lwt9qm4venc nlight is greatest 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 NOTp z)i;qm -g3vz 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 zenith44sotqu(*q1d r1d pfz (overhead) than it does towardq4qztd1 r pof4u(d s1* 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 glikf2nr5khd st)a 15* tass, which has an index of refraction of 1.50. Whnhkr21dka fs5t* )5ti at 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 ipoa *b)4 wf2bdnto glass, which has an index of refraction of 1.50. What ipwo2abbf*4) ds 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.pobx48m fk 1 sl/woeb+tgc,+4 It passes into glass, which has an index of refraction of 1.50. What is the speed of the light ifpgoxot+8w4ksl 4 b1e,c+b m/n 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 s5mj tip4jf j6it;glu .*)h4d to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to t w6v fxqx+s,vau( (/juravel 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 c 9v *71hhgrqoto 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. Mhr9b 1c*j.m rxonochromatic light falls on these slits, and produces a fifth order interferencrjb1xmch . r9*e 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 .wzumqkboyfg:0 co+/3d o/q+ third order bright fringe is seen at an an/ud+ zo/ ow:mfo.gyq+3b c0kqgle 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 se *hfdz37* snr)hyl 2xmparation between the two slits is 0.050 mm*s*l32nfd z7hyh)rxm 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 exper 0a3.i vse.xgwiment, the slit separation 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 i3vges xw0. a.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. Monochriz 5 6xvw7g/amomatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjaz x5a/m6g7 viwcent 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 t3ecnt5u pkph./2w r5 chat 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 zerothw e2/u p.3ptk5rhcnc5-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, strikesm2fib,s efz 8 6gaaw)3 a plain piece of glass at an angle of incidence of 60efwfa6i)8 ,ze3gam s2 b. 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 of blue light (wavelength 480 n.nzmsmo;./5k gdq +ium) and red light (wavelength 670 nm) is ind g moksn.+.;z/ui5 mqcident 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 no6:f85amtxy of width 0.20 mm. What is the angular width of the cenft8ny 5x 6aom:tral 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 wide, is illuminated by lighx2yg6ur b4ae eyuc8, 8dxxx 7zuk7g)s fd)+3nt of 550 nm wavelength. What is the angular separation between the fa278e)geyrxu +b6n4 3udsf8kgy)x,dz x cu7xirst 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 ne jsdd)(d0f j+( kmk+nm is incident on a single slit 0.75 mm wide. At what distance from the sl(0 s++njjfk)mek(dd d it should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the diff gz cl89zat4tf ;n6 m94+ izd5n9iek8dbbm)ydraction pfnk 88m9m+zbizizna4dy 69bc9ge 5 ldt; )t d4attern 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 5b0x nr2p/6tnnmdg 0*s n4x d2*rtqxk0 80 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the gmd /r2tt40k0nq* xn20snr b6xd xpn*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*j 9e)uj:gjre0sa8 jsa 1x s.j is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit..g:aejj1) 89 j 0 jaxjsser*us 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 aju2s,4py zx2 +h1m4s5f ix fe7000 lines per centimeter, its second order xhm z ip4,e+2 1su2yx5fsjaf4 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. baea/gw sw8 u8 ,exf*; The angle between the central maximum and the fourth order maximu;*easwux8a ef/ ,gb w8m 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 oa9io wa3;rf1iyiykka 5;4dkvgwu18 *n a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seewr;3y kaiiv5984iykafuko1 ;g1ad w *n 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 )6+ btp.vupgu 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 maximum 0.870v)tp u6+ubgp. 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 600 :ve)4kwz:na*xbvjn +0 lines per centimeter ruled on it. What is the angular separation between the second and the third ord4ebv) j n +a:zk*vx:wners 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 intp0)hdz p c5- n fz0ya1pgw: 5/xdwkc9qo spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angg/1f0)kw cpxpnch zd5z5qdp0 :9w -ayle 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 used to calibrate a grating. If the first-ordeh)yq oi n9 pmaawq-7bf3mps 0b1x(7 3kr maxim1mym93n 0khpowi -fbb( )7aaqpq sx37um 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 nm is incident norma4x ktve.5( 3i*,z jozfigapd9 lly on a grating. If the third-order maximum of thepvg54.zf (z d9oxe3*kijia ,t 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 );, t -nnup1 tzed9hswwavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed d)z whtsn,- 9p1;nte uat $32.0^{\circ}$, 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 1)5f6fwbikjpf s y4j0at one end by a strand of someone's hair (diameter 0.010 s1k0j f5i yf) 46fpbjwmm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimqt xs u5j(vzcq72.rz *um thickness of this bubble will ensure maximum reflectance of normally incident 530 q*zx.v(7c5zj ust2 qrnm 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 illuminates a soap film ( n = 1.33)./r(rtme r/lf 0 y9uni9 What is the minimum thickness of film that will give an interference when the light is incident normally on it?0fuir re9y/ ( rnmtl9/

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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 thickiodmi;gt4 z6)to4 t )yness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengy44ti6 dogmiz ))tot; th 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 jty9(8(bmzj(rpw2mxn g o1c73epe9vlight and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with itse ry1mpjc(z 8j(b p3(getvo 7m99xwn2 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 direct+orh96j x 57inj6c wmeion 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 sg;k8;axu,f ng trikes a flat piece of glass at an angle of ; n8fug xk,;ag$57.3^{\circ}$. 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 poc k f5m1egp b1c5y;ofis:f6bh.r :e.f larizer-analyzer combination. The transmission axes of the polarizer and tsfb6 .hcfg:.ypm:5 i;1 rbo5 fe 1ecfkhe 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 horizm,tqdeh d 4)az s73*ymqwq7+ kon is the Moon when its image reflected in calm water is c73,4q amq+dwzq7 hmyte )s d*kompletely 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 thep0 rr9b)2. ijqtgwic-n an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What r ii.q 0p-2wr)c9 jgbtis 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 travelinug2a rks )d-;0is/kk yg in vacuum and reflecting off a piece of glass of index of refractiong udy s0k/)s;kr2k i-a 1.48?

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