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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 principln9l (*nnjpu4 oe.
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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 statemen 5d499aku25crrmz vsnb-zzo.t?

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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 attrs7m 1xsqw+ 9rj*3zk 2lk:cz ekibuted 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 lxgs*z,2fog l.e0i3nqe* ox )c,a0 zqyight is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of diffe )ihu 6l6ma8qjrent 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 (waveboyn+om 3k,tt 6re)c9length = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.t cb k9o,3m y)net+ro650), 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 travele9d ofa 6w; bmzjqaytk* .1d+4ing in air, enters a piece of glass (indext6aqwadf* b4e k.omjd;z1y9 + 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 through atqr c:)m+b5o q1c7hnj narrow slino rmq:cb+h)j1q t5 c7t?

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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 1 u1e, 4hzvly(e4gss bfc yf5,buildings, whereas light is not noticeably diffracted. Why is this?cb,e 141 y v5fe4uzfhysl(,gs

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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 df)7zswfp29o m l8) wmsr ;g/nlight passe fdo/lmzgw;r92 w n)ms8)7sfps 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 arrgflsd;t p451p+ v eq3e said 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 strikin3d0rj uv h -goow07*ggg a screen are in phase wi0g 70vojd- uwgg3*hroth each other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent lig 84wagb3 y)mqeht travel different paths arriving at point P. If the maximum constructive interference is to ocw8)baqm 34 eygcur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at plc /r1e15 lgy .vw3x;d.or dywoint P. If the maximum de w 5./dlr113ydxlvwcey r;o.gstructive 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 9y xi rw 5br )hhb1l.eycm.b66of the central bright spot in a double-slit experiment, light from eay)rh6 hmbx65y.9b 1cw rlib.e ch 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 cy tmn)f x86v9on either side of the central bright spot in a double-slit experime9vtm8) 6n fycxnt, 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 + mrbo hqae7* rs;zxafr+5q.)side of the central bright spot in a double-slit experiment, light from*r xr+.o5qq 7+;e r fbahsa)zm

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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 sl 2rrb.(bnbo 1w/da. umit experiment, if the separation between the slits decreases, what happens to the dist(b.b2ad mnro b/wu r.1ance 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 t wd6*f(onc a6j sxc8io*.6ik dhat the distance between adjacent maxima on a remote screen is a i xf6d . *jd(cko6n*w6soi8c1.0 cm. What happens to the distance 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 travels pax tp): bik2:l7fei 0mith $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit experiment arrives a 0v+6 ooa.9l+quk.l,pqy cs1 a r-ixddt a point on the screen one-half wavelengthr1, +.dudl9a qc iq o+py6v.-0asoxk l 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 to obtain interfer5)g8brn+ j opbiq ih +ij057knence fringes in a double-slit experiment if the separation of the slits is less than the wanb h8b +)n qi+j 5og5jr0ip7ikvelength 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 betwe3 bis t8vaxu9+en adjacent maxima in a double-slit interference pattern usixi9 8 tvas+ub3ng 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 separate+u(jdz r g1 y;7iqpy .kavmq/j mra1tj /n0l24s white light into different colorsp(uzm i j;qlm kq1vr//2+ja7dgt04 yy a1jr.n 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 aly*lsb4 /+un7t z0m zgalows 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 thaffa8kv a8ji 18n 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 l5)ndg s3zry(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 greateje-l 1rt(8st(x j7dsg st refraction when passing from air to glasls17tj xrt(d 8- (jgess?

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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 undexv/b:423iq hsj (vbhjrgoes the smallest refraction when passing from air to glass2sjb 43qx jvbi(hh /:v?

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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 pk m:nd0mx; anyccamd 435 s5:jlate with parallel sides, at 5nmaay: kc:m 40;dc3xm5j dnsan 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 twkxi+y.qm7.zc o fingers, with a very small gap between them, and looks at t.q+ . iczyxmk7he 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 int0+7a:j ;t.y2o oduphu,4dyzuli p0ocreases, what happens 0 po.zya0t:y7uu+ djhilu;t,4d 2oopto the width of the central 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 40xw*qof3)6 o / rvukr mve7;x1pll* 2mb00 lines per cm and the other one has 6000 line7r6b lr*o*;/xm fpevw)q 3kvo21xmlu s per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation0m m+3ijf;j6sizz:wr , 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 monoj; : rm6ijfz3 +w0ismzchromatic 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 ;y t e:bwpy(*+fuhdt4slick 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 lbkf8 l( 3q4sreight waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phkeqbl(s 38r4f enomenon 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 bouc7pdkrg ;- jd.ndary, there g.d- ;rdj7cpkis

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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 reflected by a glass surh1r9- nd)czi4u e5 peiface, tec-i 9ze51h 4 rp)udnihere 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 inr)q/mmsx ) 3 *8 llb.g ap06kunvye8gx white light. As the film becomes very much thinner than the wavelength of blue light, the k) /mxym lra.qug0n)8pgs*3b lv 68ex 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 wavelev.10d+sn r/pmy6 h dkungth of light in magnesium fluoride, what is the minimum thicknu./khd rvp1s0y 6+dm ness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of 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 ill4-3ddmoext1nycv : u qi((p6 suminated from 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 ine cti3xmq(o6n d-4us:( 1v dyp 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 sunglasses can -pdxam )ykr5+jt*6v gvzb;(s reduce glare from reflected surfaces?+;6prvx *yk5(b tvzsj)a-g md

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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 direcm.z)j cift 41ution of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to / fdhv,4rbt9m;z+ati obtain polarized light in a dichroic material like a Polaroid+h/ zmt4 brf; ti,dav9 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 perpec;test4x*b/t ndicular to each other, what is the percentage of the incident light which will pass the two x*ts4tet;bc/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 n-jhg saq+sayx /+(foj*gvw 2o13 y)alk (zu8rom 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 ssq+6fei1 (xdw0pb.xb9al4o hunlight 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 NOT exfnqbqn,mtm2 oi8a3 c 3 5p8 +ftg6xjn:hibited?

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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 b-ol u /yz7fo9e*1mksl.h glv+ lue toward the zenith (overhead) than it does z .oygs9fh* vl -oelk7/1+lumtoward 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 paswyx :eeha8nir 1s;gm,dwsr u )9 .8fgp3.f:qxses into glass, which has an index,f wwa 8f:ypres : xxq8g)n9sirmhu;d1 ..3ge of refraction of 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 vacurady2wry hjd8(/m0u 1um. It passes into glass, which has an index of refraction of 1.50. What is the frequency ofmar/ 0 j(2yywhdr1du8 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 passes into glass,vfvo i23h 5ln9 which has an index of refraction of 1.50. What is the speed of t32 9vfnov5lihhe light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 n+9 hzfy2,zjeu7 ux:n8e;t* fir4ech b m 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 is found to travel 2c* sjcl7k8jl 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 tus4eqa1 5ro a8ravel 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. Monochijyeo ois+c1(,e (cp9f(rc:ynkik m8:h*9g oromatic light falls on these slits, and produces a fifth order interference fringe at an ane 9c*(+oij,1pk:8ci gc sm i9r(oynheo k :(yfgle 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 doubl2mg2xh*9wiu ce9 u8,e tp,tgde-slit and the third order bright fringe is seen at an angle od ggi te9wp,um2,ehc*x92 ut8 f $6.5^{\circ}$. 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 slitst 1kja-8 ndsc4nxj*l 4 is 0.050 mm and the distance from the slits t*-a dl ts1jn knxj48c4o 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 sliti9ny8b6y*z2 jc ng6brk g;gx 8 separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits.k 8jbc2 gy;zy9b r6x6ing8*gn 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 r/v d-s)uf ;jp 92ulnjlight of wavelength 634 nm falls on the slits. If there is a screen 6.0 m aj ;jn2v p-u/)s9uldrfway, 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 iutvlq 2- sdl*.s incident 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 s q-.lvud2lts* lit. What is the separation between the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm, strikes -g 4*dp42pibxbv-bgoa plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 g -xbibb2d4p*4pv g-onm 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 48-,e7hjfshdk)ro3ns(t 3 i09lod xns70 nm) and red light (wavelength 6dis9fsn o-xj77 e ,h)t33l (0sonrh dk70 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 akvlxr4afv+( z;hf 5rb vj: ,i8 single slit of width 0.20 mm. What is the angular width of the central diffrac r;lrxfj, k4 v5h8vfza :ib+(vtion 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 0.05,r+: bk;bo jfkfx8s 1q; iyg6p0 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximum?fxp;q8 s+k y6bgr1oifk:bj ;,

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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 is5+c zl: gv9sx y0hpzwj0*5cyo 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 diffraction p:x *5ly z0sc0jz5c+g 9 vyowhpattern 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 fua .f9w l4*hythe diffraction pattern is produced on a screen that is 1.5 m from the slit. What ya. flh4w*u9 fis 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 5.+aspr b-qa8 tnm *(lx,r2ggr80 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slitpxg. mr rg2nlqr*8b-a,as +t(. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of xcpj fqom3,.. es,b tp 7,c08 lom0uxpwidth 0.300 mm. An observing screen is placed 2.00 m from the scp x0 p,s ,u e,.boq8f.ptxm7jm0 3clolit. 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 7;*tp7t .yhoicj llj fk,ant 5q8o/58f000 lines per centimeter, its second order maximum 8 lqt/o5;5it*jjhafon. y7ck l f8,tpis 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 betwerq, -52am9 vu9vmd efien the central maxim9v,9q -2vmarudm e5fium 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 ihw/ )muv9j2lh4i :6vq:hrg tqs incident on a grating that is 75 mm wide and ruled with 5v hhl:tw9qh)2 v4/uim jg:6rq0,000 lines. The 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, lightu y d gz f+rcpn*.f8x4/h::hzq:o8log of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction z/h+:lcoo 8nfr :4 h ggyx*.fq u:dp8zgrating. 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 cer7,rjbrlynw(1er415 ziq 7pyntimeter ruled on it. What is the angul17, ri51qz lr(p4 bjyr7e wnryar 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 wkhha; p )ui,e62l j3 cnh8ykwl;4dr/. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first orh2kr lkc8nuie3/l;;, ypw6w jd4hah )der?

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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 firsu u-m4dd *m3 jnad;sc5t-order maximum o - ;asud4dn5d3m cj*umccurs 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 wavelengtxa:f u b-q5t8kh 500 nm is incident normally on a grating. If the third-order maximum ok :5au8fbt -qxf 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 n(efh.6 -ebss rb bbeba/((ab9m is incident normally on a grating. If the thir(a(9b-bbsbfeee.a /(brh b6 sd-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 lonwk wr- 3tnqvw5f5/u5sg is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavele5ws fw nr5qwt/5-v3ukngth 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/ zr4s,0;8etwfxaz cf h .hy/yat minimum thickness of this bubble will ensure maximum reflectance of normally inci f,; /yhx4yz 0w sh8tc/.eafrzdent 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 illuminateo4/w9 okbdbjnkev)w ,5w9b5 us a soap film ( n = 1.33). What is the minimum thick w)b5 9okw,eu5ojwvk/bbn4d 9 ness 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:rx r+nn rwflk10v9 0i coating (n = 1.30) on a glass lens (n = 1.50) for wavel:9 +fr vk lrirx0n0nw1ength 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 beams -g0x)uc4um v of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its refes- )m4xu0gc uvrred 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 prefer 5 mz3klz8rgaoa t.:o/red direction rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an r) f,tc k 9zqn3cz./fz/ucn5sangle of rz,cq z ufk) /t/szc3f9cn5. n$57.3^{\circ}$. If the reflected beam is completely polarized, what is the index of refraction of the glass?

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88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Unpolarized light is passed through a polarizer-analyzer combination. The transmno;( *86r iw,ga nvulxtk 3:fnission axes of the polarizer and the analyze;wl6ank t(i*,nx u o:3g f8vnrr are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected in calm water isrxxe;/b pp 2b,*e7mrz completely po7bmpb2x/ xr er;*pez ,larized?

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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 andm3 xl3zi gw6db+cx:rkq( n-t 4 then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle betwlkx3d+ r -z6gnc4m(wti q3x:been 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 travelbd 3v7d9-angc; h 4r 0jh)lppeing in vacuum and reflecting off a piece of dh)-n0hl gjb 7cep;arv3pd9 4glass of index of refraction 1.48?

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