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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 princmw r+ 1yqqn s)g9k9vlk*sz)y;iple.
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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 statement qp/h/wme 3k6jpm62 fw?

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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 atu,4k7uavy euj: sp6fe -8pw1ttributed 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 attributzx+i ( 4sxdvp.. omps1ed 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 9mphv1p+)zvi a medium of 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 (waveler:)cvtrn9 cyh37q0u hi) g2 emngth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its frequemh )tcuqr9i n 3he): c270rygvncy

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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 nmbrfe9)/ veq1q), originally traveling in air, enters a piece of glass (index of refraction 1.50), its 9evfbe qr)/1 qwavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is reszqv(0 *,uwkp q *4z(ecbhbv7jponsible for light spreading as it passes through a narrow sl,( khpqzj7bzb4* (0ev*vq ucwit?

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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 b6p,ziuf 80w bfn alx8+uildings, whereas light is not noticeably diffracted. W 0z6 u fx88+biplaf,nwhy 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 light2m e7dm6q;(u kpzny t: passes through two or more narrow sli ; 7d6qupmzmyt:k e2(nts?

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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 coherentkf8mp8q2 gd5vdc+ bi6/ rtdw4 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 ts7(fa6(h di;+7ip0k iay z q-ubgw7ak wo light rays striking a screen are in phase with each oh7 f(ikd(zis7-kawap 6iquyb7+a; 0gther?

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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 ligz3k zd ueb-.2je /4-c2psp mjbht travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams mus3bk bs epjj -/-24zpuemdz. 2ct

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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 trtqm,)c vgdrd97km hc 40 ma.v;avel different paths arriving at point P. If the maximum destructive interfermvh9;rc0.7qv4k)g a ,mctd mdence 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 central bright spot in a double-slit eq:4fs:tsgm4 x: ayqn)xperiment, light from each opening ass: )yqxaq4t: 4g f:nmrrives

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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 c0mxs+vq c8 jl1fzwko6mj,5kmlc9/7on either side of the central bright spot in a double-slit experiment, lightm7m w0fmslqj + kkc1xzj/ovl,c5986 c 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 te/ w)c iwk:v2f-xh:f khe central bright spot in a double-slit experiment, lighw2kehfkw/- i:) x:vfct 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 decr9/a xu9ma-s n0:wqmi deases, what happens to the distance between the interferenmnwxiu0 9d ams:a9 q/-ce 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 adjacen) 7)7o bloxrdl6d ej1qt maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slitre d )b j)6ox71lqold7 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 a p3t7)k tk-df9qtg6j $P_1$ 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 Yoriinqek9:dcdy +b vuc(2 y5):ung's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that (e:q )5 vy:d i92iubndcyk+ rcpoint?

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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 obtai +* 14:aj w)wuw.xrdnu6d d48srtuv rin interference fringes in a double-slit experiment if the separation of the slits ir 1u .6 dwiw*4ndu48):rruw a+sjvxdt s 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 interferenc m1-vlri:bywte ox(,4 e pattern using monochr-x viblmtw ,1(y:er o4omatic 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 e4 zi zq 6v j;7f+cflwjmr34iy3xplains why a prism separates white light into different col jz6;3lfimi+qfy 34zwjrv c74ors 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 to ekyvs 8bs f+z/6dx0 o98rwl(dform 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 slpr2 jf2c55 sfl rv50glightly shorter 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 9 -u ugdapm4i3slightly longer than 750 nm is called

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the greatest refraction whex- vo6 *mywp+kn passing from air to + -owkxp vym6*glass?

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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 refrq q)).undo-fno ptcwg 35p77n action when passing from air to glass)d pqn57p ono3 qc-)u7 wn.gtf?

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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)fjxc5bn7am ksb4 67 q, at amsk6 7bqx7ca nf)jb54n angle 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 up tw)ln sb 3 p,hna68ghsb:+q 7vbpo fingers, with a very small gap between th qn)bg, b3pb 8nlaps7:svhh6+em, 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 ex*ua0ljykq*t2 ( r, ktuperiment, if the width of the slit increases, what happens to the width of the central maxit kk 0l(**qy jruatu,2mum 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 grg:vleru uc h b)d,956k e1m1lyp/7qavatings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the twoab)gk v p vl:1 yhc7qu169rem,5u/ed l 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 slit separation.aktbw7;*x2 gdm b7id /9zaji, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuzig7* a bb .2xi/am79tw djkd;minated 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 ;cx) +wcf9) h5klwlqhd:mh 7qslick 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 can interfere constructively oc ry-q3ifar,gpu 44 h(r destructively, depending on their phase di43h( rc4aig-u,rqf ypfference. 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, stri4f3cnnuuz ko *+61)a isuykuz 5rz a94kes an air boundary, there zikruzfu 1c35* ok4n 9ya)u46asz+nu 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 rei;. z qjwa53qcflected by a glass surface, 3 w.i cqa;jz5qthere 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 v2crww32x d1g lz-wd4cery much thinner than the wavelength of blue light, the fil-1x4cz 2crw 2wdwdg3lm

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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, what ii7l l7o/z*8hqrk i2 qss 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 refrlzq 7sqlhki/7i*o2r 8action 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 placed0,d wy 6rt5dgc on a flat glass plate and illuminated from above with monochromatic red light. When viewed fromtdw r 5c0,gyd6 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 j ss8vp8j)3syfor the fact that certain sunglasses can reduce glare from8s8 )jj s3spyv reflected surfaces?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For a beam of light, the direction of polarization is de xp8d(8 , hm(gk zz39ndl8ek56 hbymlbfined 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 mv7. hr9 yxbeta4v(u91dq.nr Polaroir7vx b.vr e(tqh y94m9n.a d1ud 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 pe,uzj 75uj jp, e ,5yw19 0tvgp(nsetszrpendicular to each other, what is the percentage of thesw z19505u,p(v ezgjjupnt ,tjy,e 7s 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 f-2qpwm ejtogan *)./hrom the surface of 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 is greatest;s1w/,sjfv5hr:t ro bigu,g. 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 followic6 ;u.ykm2kczng 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 sky appears to be more blue towardi7e)vbztt )8yv;.q)g qsv2 qu the zenith (overhead) than it does toward qsgb) )iu8e ).z;qvy t2q7vvtthe 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 10d5npegcb: qn+zsm3/h.jn n a vacuum. It passes into glass, which has an index of refraction oz3q+ hn/dmsgnpe1:5bc j.n 0nf 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which hasc/h.syr s7lbfn.y8ys)6voz - an index of refraction of 6 vynl s7hs.rb8yo-sfy / )z.c1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It z8vwc+ mbs5 l0passes into glass, which has an index of refraction of 1.50. What is the speed of the lbz5w8ml0v s +cight 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 trave m rdp0,cn1-xgl 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 6in-fo 1g mn1a kay- fwk4+qi,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 cny . o pkm:) tuigil)yc;- ;)fpxg17dto 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 falls onw6xfn9 3;pau c,;gqvq-jp,k j these slits, and produces 6vj wg ; 9-,fxpqn;j,u3aqkcpa 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 on a double-z4vq1u 6 fz0w h6auo,qslit and the third order bright fringe i q a4h,wu6z0q1o6vfzus 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 experiment, if the separation between the two slits isyzff+r i8 adyuy,/5k; 0.050 mm and the distanczdk +5y/,fuai ; fyyr8e 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 expen)moqg0f 1as6kx3nj c(cyh 63riment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminateho0( c6ng3nk)xscfyqa m13 j6 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 apariaen k .7p 7msxaw,(6it. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far awam7 s,7ian xp.6k ie(part are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a ymw*8s8n) nnbo*qu(i 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 ybq i(*n88 m*s onnwu)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 contai.k qnprre6 w0.ning two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass i.. e 6nwrqkr0ps 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 nm) and red light (wavg wgb,h-gq5z 9t0(yokelength 670 nm) is incident on a thick piggh9(gb zykowt- q5 0,ece 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 tj t- e5ke p;yjn*xdg)/ow4n g2 /(fciangular widtpw/gc doyj/i 2g(t5n nk*)f4t;ej-xeh 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 0w;5n/ui x wke5.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separatiok;w5 u xiwe/n5n between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is /+ 9ahxst4wkmincident on a single slit 0.75 mm wide. At what distance fkh +tas/ w94mxrom the slit 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 wfy- +bs5zuxv+r 7rce :ide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of thxe zcr-ys ++u 5frvb7:e 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 slit of width 0.300;szbzu,814 gbjoxs8b :n: eqb mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of t8q ;4x ,sbob:znuej:z1b b8gshe 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 b+g(s cfd2n(j nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find th+c( dgf2b j(nse width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, its s/0 (j bx4qq6xyw 7jfoj3omixqi0g* /necond order maxixo0gjxxnq*fii qy /j630 q4 b/ow(m7 jmum 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 anq,2idk rc.3yhgle between the central maxi3,ckihdq 2. rymum and the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is incident on a gratin b*dam.msle5;g that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen a ;a.mblm5sd* et $32.5^{\circ}$. 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 oie54oz hkzd z97w/7u59/tr snth)x ozf 600 nm wavelength produces a first-order maximum 0.350 mm /rhu 9z) h/znwosz 4k7x5it7 ez t95odfrom 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 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 bw t/3zoonpz9 +,ijk. centimeter ruled on it. What is the angular o+ to,jzkw9i.3b /zpn 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 grating. If gi(iui,z(2 bn the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first ,iibugz2 (n(iorder?

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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 n , k*+59wkoynp4(pln 0nc.s mghx5paa grating. If the first-order maximum occur5gk o5+,s.(wpm c 4akp*0hnnx nny9lp s 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 wavelengt5s0 5:cb 1l0-j h hv4ollz)x nqflwnb*h 500 nm is incident normally on a grating. If the third-order maximum of the diffracti b ll1)55wh-l*c40ns:qvxfbon0 jzlh on 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 afwha) .i uh)dw:lb x-x4q9k0 is incident normally on a grating. If the tuf ab)dw.i9 khq)aw4x0 lh-x :hird-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 orj/v b0ze )ifc74 .nyend by a strand of someone's hair (diameter 0.010 mm). iy/. vnoc70 bzf4e) rj 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 minimum thickness of thi/d4 lt 0aevyw(.mnz:is bubble will ensu(/:dt y.i4lvneamz0w re maximum reflectance 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 illuminates a soap film ( n = 1.33). Whz 841dz d1y,.s3dwl*l(9bt hgxvszgbat is the minimum th4bd(b31s,8zgl 9 1wzdz .gdyxth vs l*ickness 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 thickness of a nonreflecting film coating (n = 1.30) on a m56 :jn3 hjeydglass le:5 6nejy jm3hdns (n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the iv e1/n7o*ambr (g;onintensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred directv;n* 7(nob 1aegr/mioion 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 pref svxc sfzgx):q8t9s; bfnx.t6 ;w6,ezerred 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 a llpdkh1o8 *9zghedad1b:8 - bt an angle of p d9kdbobhz81l a1-*g8lh:d e$57.3^{\circ}$. 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. T f6m::dm6kk l.25 kiwjr en*mihe transmission axes : k6mmjl k6rm 5ni2:* wdekfi.of the polarizer 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 wh(/g)n b;5fvdit 7k,-x wvreggen its image reflected in calm water is completely polarig5 vrfxevn;-wd)i ggb,k /7 t(zed?

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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 asgry jni hd4 0)n+g vq:t :6z(d+(sshcnd then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. h(ssy iv4: jcdq n:) z0t6nggs rh++d( What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflecting off a pd,jtu- tfath o,3ji ;(9 - wejxo*fu4piece,(t jfdip ,ux at-o43w;j -hoe*jt9fu of glass of index of refraction 1.48?

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