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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 principlyd /.9lfu2k(su ,yrate.
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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 statem3+l7a9)m)vu e1wshlufe )e ic ent?

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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 attius9,y e/xd;j ributed 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 atx e+w 903cowmuzwlk6eg,t c*t5+ oiz4- 4 xncvtributed 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 xd /mei je7k ,sj0w.v*hi,k4 uof different optical density,

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm6z(txndc5iuk5 :8 us k), originally traveling in air, enters a piece of glass (index of refraction 1.zkit6u c5 u8(s:n5k dx50), 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 trh9 x t)q0d6e.,medxn)oujyktu b ), 3qaveling in air, enters a piece of glass (index of re,bj)ut0 h 6,qtux)xmoe).93 nyde kqdfraction 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 responsiblii6l3dn wh g9h9a ufjw7ox 096e for light spreading as it passes through a narrow sliw0gdnl6 xao97j w99 hu3fi6hit?

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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 lightdvz.rah,fma*d6 n/ h1jvqao2,o9 /lf p xdj+1 is not noticeably difhj,qzlpd2+1 16nd o*af,f.d xvva/jmr9oh/ a fracted. 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 liq pmzy l-8 8-d/o8sucight pas-lcq8 mpuis8 y-do/z8 ses through two or 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 hm cxp;m 0r7,5ujedp0said 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 screen aijd8o3xf dc:s) c3b, ire in phase with each otfx)3csd jc ,38bi:do iher?

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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 arritrvw:,j/ty k* ving at point P. If the maximum constructive interference is to occur at t: r*wk,yv/jtpoint 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 t;d wp8tmwnpu2, y8c:m: 9gorarriving at point P. If the maximum destrucm upp,82 t9mwncytg :;8r :owdtive 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 either side of the cenw3bske 9vd-7 atral bright spot in a double-slit experiment, light from each op9s7-w ae3kd vbening 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 of7ig *u7j1 iuka the central bright spot in a double-slit experiment, light from each opening a7 i*7iguak u1jrrives

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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 si v7,d7kvhlu4 pot in a double-slit experimenuldhi7v 4v,7kt, 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 sep( fpee9yu) c)earation between the slits decreases, what happens to th)pcue f )(y9eee distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance between adjacent mb dro8f u0he qn/c;(badt,1 c2axima on a remote screen is 1.0 cm. What happens to the distan/h c(8;fq ,o b2d 1crbaudt0ence between 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 travelfbidr4bwn 1ev1(n17jo0h1wnm.vwh * s path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of sii o (d5 v9d0asi6e/la Young's double slit experiment arrives at a point on the screen one-half wavelength behind te(d5 ldiasos/v 0i96ihe wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a double),1.v r,fh sism :(m pgcaice2-slit experiment if the separation of the slits is less than the em g i sv2cp.fri,hs1 c:),m(awavelength 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 maximasbg;v/7,zi1h2j o 85prw ywq j in a double-slit interference pattern using monochromatic ligw;sgp8hy5 jw2 ibo,j/z q1r7v ht 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 different corf dnm:(6aokp*cl:i/( o7h zc lors ic pm/rcz(ld:k67:h ano*o(f 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 allows a rainbow t 5 8qxfadym9g iu gb(x.nh9u 9-ch:b/so 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 *ga-p30i) rabhvl(mjp ip4-u 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 750 nm is callvgtljf b9:,7l, 8ltjned

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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 nv1; rq.zu )6pq a(wmprefraction when passing from air to grnpz 1;(v.)6wpmqu qa 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 undergoz 8 trg ep0g;:3rh4hlmes the smallest refraction when passing from air to :rpt;g m4rezgh h038lglass?

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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 glasj )3y o.fdzx 9:djhauh 1+/hmjs plate with parallel sides, at an angl9z d1jf: ahohxud/ 3hyj)mj+.e between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds utb v)z4z ntmgujy 18c)u -z33*jmbbd(p two fingers, with a very small gap between them, and looks at the light source, she w)3utmjndyuz(b3 1 v-bzmjtc)*4 b 8 gzill 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 difmwf-y7aqfrgaj:r. 433 u rjo9fraction experiment, if the width of the slit increases, what happens to the width of the central maximum on a scree:j9rwr47 j-3gufmfq3a yoa .rn?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratf6d f0r 2;t 5qkxzree5ings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement compar ezt;d fxfrr2q0ke565ing 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 samfy edjfv5f-6b; 7qrt7 e 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 statement concerning the separation between the jdf6e fbq -vfy57;t r7orders.

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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 causeans6xt 3e0dmox,(a 9u d 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 monochd7p 7wi0h :racromatic light waves can interfere constructively or destructively, depending on their phase difference. One conwda07cr:pi 7h sequence 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 air boundary, tfj*b y 0mnik28here f2nb*k i8m0jyis

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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 traveq cgcjsp85oq:njd ) 15ling in air, is reflected by a glass surface, there j8spoj51qd5 :c gn)cqis

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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 inog9;h aej-4arc. 6jndzf-l6h white light. As the film becomes very much thinner than the wa ;daf9a hz o46j l.6rchng--jevelength 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 a1./0dqbybr g light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied t qbb/yr.g1d0 ao 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 and illuminated from above w, tm ly)za ar;*6ag8wvith 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 are8zyrmaa*6tga;l )w v, 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 certa 0jb;t0ov(*y2idooe9 kv 2zidin sunglasses can reduce glare from reflect9jvitdz( v*2diy kbe2; 0 oo0oed surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polari fps/c*n0fcz gwu)yub) w6d (+zation 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;gfyl sny: x94n mza75 zid2i, in a dichroic material like a Polaroid fiy;s2dn9gi fx4z7,ma: ni5zyl lm?

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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 t1p il69aa+f6+ i,tn (ug.uzh via/gl jo each other, what is the percentage of the incident ,ai1lajnu+z6 gah(+9u. pt6i f gl/ vilight 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 ofl mrm)h wo/0: *n.a3rz 1nvk+c6fww ln a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight i11w wob)af7ntee40lx s 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 NO3s43ta3nlzni hfm6 h7T 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 mo k3q 1hv*lwdwvrg0d;cn2+p4 r re blue toward the zenith (overhead) than it does toward the horizon. This occurs bec0ld 2+ 1rvqcrgn3*pv;w khd 4wause

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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 glasszk7 w t(,t3owk, which has an index of refraction of 1.50. What is the wavelength of tow(w,tz7k3k 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 intak p 1g8 gx6 .xdyaswl4)r4r+ko glass, which has an index of refraction of 1.50. What is the frequency of p+x.1wrxykgl a g)dksr4a8 46 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 o fb;t7 u x+s1drhornz n8dl..7f 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the glassn 1nb;7.h7xd fdrr8.u ozlt+s?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 527e5,t0g tmxl0kdk k *jst r;lqk 7ge01f1ibs50 nm in vacuum is found 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 pduy1mw -lmg// .(eip 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 x /izg jvpf772travel 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. k:k8:7 z4k-1r xoxacgln9cd uMonochromatic light falls on these slits, and produces a fifth order interference fringe at an ac 1rgudo:98a-l74xc kxk: zknngle 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 s*/gvn9 s,ttk.. krzs575 nm falls on a double-slit and the third order bright fringtvs*k ,sr9 sk./ngz.t e is seen at 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 experin5-qjlvftpe0eghs9b+) 7 6 nmment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing betw 6nh5n 97egb+0-s mftvql )jpeeen 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 2.04:6maoilt. 9c tiyn,v mm, and two wavelengths, 750 nm and t94y mi:lai o6.c,tvn 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 wavelengt/) kyq9o).dsaqnmtk,h 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringes?q9),s.dkak/q moynt )

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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 has a slitck/mn s .45 ,mk*bhupe 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 zerothbh /e*m,.kpmsck 4nu5-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 wavelength f6mgsyh: 9jf8s, 480 nm and 700 nm, strikes a plain piece of glass y sfg96:jf8h mat 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 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 blahs kqa;31e5 anj4f)2k*y b uaue light (wavelength 480 nm) and red light (wavelengt34yqk e2 1)a5h;bujanfk*as ah 670 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 slitiuhzy/8t/lpm z zg9qj 5pwa :*m gs/*( yw6lh( of width 0.20 mm. What is the angular widwmg/ 6h(p(5 i9l/ yh* 8lzmg a*:/zjpqzsuytw th of 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 0.050 mm widef+7iq51 7 dggv- zu+qwsj8e33glnvgl, is illuminated by light of 550 nm wavelength. What is the angular separation between the first tw zd5vqesgj+8w u1fng73ql7g+i3g- v lo 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 nmcg ,baie) wr8* is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffractigcbr, )*w eai8on 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 diffract s)esbhf eb0 *-,po3y 80icgxfion pattern is produced on a screen that is 1.5 m from the slit. What is thf-y s 80*i f,)pbhgx b3eeo0cse 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 orm8j 9 5 3t5jqvqfeyi7;5o l/h7j yj1ml;dgta slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Fjj5d /tq ;91 3qgly7rieo jvo57 y;fh85lmtmjind the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. u h0vvq1ufi )y s91j6jmxkk ,6 An observing screen is placed fijmv6s1k u,0) yxv69huj1 kq2.00 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 7000z rz j/nq:.nui9spt0t+ rv8h2 lines per centimeter, its second order 0i2.nq n:ur98przs+vh tjt/zmaximum 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 angle between the cef-tj: w 1h,jq:jtcru6tx*4 kdntral maximum and the fc:thw:kj f6rujxd*4-tt1 jq,ourth 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 k5ev4)/+-fk oc ;lzgt9d kdhhis 75 mm wide and ruled with 50,000 lines. Thcfk-eh4 ko+vz)9ld /ghkt5; d e second-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 experiment, light of 600 nm wavelength produ)zc u7 -gk2ofqces 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 fromu2zkco7 fq -)g 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 l6tu:**uirp dv e z5uy46j(cfkines per centimeter ruled on it. What is the angular separation between the j(dv z6:e p*6c*uuk 4yitfru5 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 inya40u 02t svz bcfb x;y1t0yzb5,et7nto spectral hues by a grating. If the grating has 2000 lines per centime,ec2 ; a4z5y buvtyttz0f7yxs0b1nb 0ter, 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 2lp-lxott:/i, vwm s /used to calibrate a grating. If the first-order maximum occut vw/ :til lom2p-,sx/rs 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 normally on a gratina7iu 3hym x7s85**0fegdnahe*mu)gp g. If th*7y s mead*)85g 3n*eh0if hma7pgxuue third-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 wklb3vfzw 9/: 4sm 4ol /shbn.cavelength 500 nm is incident normally on a grating. If the third-order m 94 vfms:o/wh3c n/.bksbz4llaximum 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 e5pj1 ua.st w(+usvs9another glass plate at one end by a strand of someone's hair (diametervt 5+usaspj9s 1.u ew( 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 of refraction of 1.33. Wh w1 z/q*c29 wzlsb9btnqxw3 1jat minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lqswc* 3w/ q9zx1jtzbn9wbl21 ight?

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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 illumina)ec /cwwt*: bhtes a soap film ( n = 1.33). What is the min t/w *:cec)bwhimum thickness 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 thic+ ,p.f+lbbv 5uiq*lqkkness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengb* f ip qvull+k.,bq+5th 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 placx-vx epnh i5kh;1(+ sled in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the bea5kvhe1x(-n; xlspi +hm 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 direction ro/uzba///m mv waoiv 2pp 6o.qi::lw7dtated $30^{\circ}$ 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 gl g9tvdqbfzi)s;.q 03zass at an angle of zq9 is03;gq)fztdvb.$57.3^{\circ}$. 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 thro198vfjpto ,r dsn58 ctugh a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer f spt9c 8t1rv8,on5jdare 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 :2ofhw ng 8z0ereflected in calm water is 0 eo2 zf8wgnh:completely 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 t0a3,o xjpov* ixt ;(vthis process, th;txt iv oap,*(03 vjxoe intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the 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 vacuuh ) jyhl; ,mfutyby na693+8cnm and reflecting off a mt b , )hhy;a3ny+9y6un8 fjclpiece of glass of index of refraction 1.48?

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