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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 principlefml9g(jam*wqyr x-0 + .
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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 s ha-50tluxa(g5; s tlstatement?

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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 attriuil .. n +*:xamm.czl jub3j9cbuted 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 lighth+, q5exay 1iy 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 different ops hj-1igyrj( zmi7-.a tical 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 nm), originally traveling in air, en/h7dp yjlk k p9h(05lakwbq .2ters a piece ofq7alp9dp25lh wy/(kkkbh 0j . glass (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, u3jtukl3qk -teqbfy/:k8 ( -wenters a piece of glass (index of refraction 1.50), its-8- efyuquj ( 3k:bt/w3lkq kt 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 ligh i 95v+ +eqv2lhcp1 0av;qjmmct spreading as it passes through a narrow slit?clqm1ve+5 2q pv 0ji+9vhcma;

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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 li,wt v/mb h0 ;oqtrjq67ght is not noticeq6v, m btrhjw; /7t0qoably diffracted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and darky-bw yn )/sa, gph. y2cj)hd9y bands when light passes through two or more narrnw)yhy,agpch2 b. 9sy)j -/dyow 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 xcmbzr+ af57.m ) .sdqcoherent 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+o1 3s1ca;n+hmaq oa eoe zv+f8r27lp are in phase with each o3oso7p q1 cvhfne+e81rl+ +azoa2am ;ther?

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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 nxzpf hbl: p9+sv9o-*ht travel different paths arriving at point P. If the maximum constructive interference is to occur avfzonx : ps9*-b9+ hplt 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 point P. If t 32wcpqsetk51,wd h*whe maximum destructive interference is to occur at point P, the two beams muse sp k3w5*1 wqd2wtch,t

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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 brigkck.66iy+, d:;ux6i lj nm5cox dxwb+ ht spot in a double-slit experiment, light from each opening arriveso 6dbk;m,6d+ cc.x:kliiw y+ uxn6x5j

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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 the central bpbq) ,bc25awo n; had/right spot in a double-slit experiment, light fromonadwab/; hp) 5 q2,bc 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 the central brigrwf- e+ayx4)rht spot in a double-slit experimewefa4 ry)xr+ -nt, 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 separation between the slits dec f 3e9ox; ddgydft16 0 cqoxd:j4y00ykreases, what happens to the distance between tkd:0 xd;ddgyjxy fo41eq0oc3y f t9 06he 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 z4l 1pc(w:v. w*yn2q avy .owgcv u;.zbetween adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation *za wc1.wgpz;o. (. nl yc4v:uvq2yvwis 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 lightzq1n ++ts/*3brg72 8dri7mp pz dssjh travels 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 a Young's double ztbv sl9s+ap; 1t,* meslit experiment arrives at a point on the screen one-half wavelength behind the wave from the othe1; ezsbp +a9t,lms* vtr 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 *hi;h 1iii1 pxfringes in a double-slit experiment if the separation of the slits is less than the wavelength of the lightxi;h ip ih11*i used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a double-slit interference pyw12g hhz57xn attern using monochrog1xny hz7w52hmatic light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light into different co*mfq1,nq bdrs ,.u1yblors ibfqd,*sym .1,bqr nu1s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allo 2ea()e f7vtz)7zy cbiws 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 sxe),,z k-c 8( vpyovchhorter 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 2/io8h6ppkvltlo+p,-mh*c( .tbe dk 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 when passing fro/95dtb 6uarb qjhh;)o: uzi-vm air to )uur/;hz6vqj iobh: b5at- 9dglass?

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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 w8cnr0rt 6pian n:lt /)hen passing from air to 8ct/an ptn ri):ln6r0glass?

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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 incidm/ a.vmwyz lm2okc7ytm369*ri lt;r6ent on a thick glass plate with parallel sides, atk6 *vl 9 cm2m ; 3rrmymal.6it/oz7twy an 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 two fix hhs qc 6puz(f-bjv3s3s*/,w*b gz7kngers, with a very su3x*/ sh(hbkzcp,67*3bv zfqs -wgjsmall gap between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffracti9ek2n 76e8h r 2kr3 +omtwjbepon experiment, if the width of the slit increases, what happens to the width of the central maximum on a screj2kkt8emwr2rn7 o +bep6e39 hen?

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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 liutp s51*y o,/oq3 xvzd6mg2tdnes per cm and the other one has 6000 lines per cm. Maotyxsdp,gomq*z51du 6tv / 32 ke 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 smo6/d5xw o62oegk m p;eparation, 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 6;ow/mp o2mdg6 5 oxeksame 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 are4-t(rfbw5 nqppo q4x) 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 twh ey0:z/wj x.t /kh:oiz,/* eawf auv,o monochromatic light waves can interfere constructively or destructively, depending on their phase difference.yzja,:wh,w z*u 0 a:/ oke hf/e/xv.it 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, whicf ky )7grkzhq)5 u;zndu+7+fah is traveling in glass, strikes an air boundary, there ka yqug kz+ + ;)7nh)z5fu7dfris

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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, if+ n.xnp,de g4s reflected by a glass surface, th4e+.ndf ,gp xnere 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. Asn 2wlxazfetdo9, --;z7;8 jqda +jltt the film becomes very much thinner than jot-l+l98 q ,eta af wtj 7dd-n;zz2;xthe 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 fluoridmk:x:)b( ;f( b axjqp+j hkml6e, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting fokx:x mb+jb() mfah;6jq:( plkr 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 platecwe s9v54up/ql)spx 5 and illuminated from above with monochromatic red light. When view9cqx es5)s 4ulppv/5w ed 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 resw1r zs1) ff :2xbny2cuponsible for the fact that certain sunglasses can reduce glare from reflected surfw1cbyx)2ns1fr: 2zuf aces?

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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 defined lfqkql+ 8ou(4xmm ai/)2t x8pj7wp4aas

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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 polariz6cibzg aeb. +k+gae.:ed light in a dichroic material like a Polaroidba.6aecbieg.+ g z +:k 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 filcxf+2 eqkeakm+ c5 4h9ms are perpendicular to each other, what isq c xe25+ec+fk94h akm 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 o(yfs6 9iqvn d4f 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 g.,dt .u/gx +)wvnso ujky,r8vreatest 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 a x7dw rs4dhw 0;h2e,f ,sm:onexhibited?

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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 morqi9h.u -bs-;tvm jq f. esi44ce blue toward the zenith (overhead) than it diq ;-mb t.h 4-ju9eic s.fv4sqoes toward 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 ofx(y r ff2k.pz*trdv5-g:ox mn r4dj; 6 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelengtfd :rpdo4*rtk5y rj ( g;m2fxxzn.6v-h 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 6000+e jz6k9lq*zx5.kdfek jm) i nm in a vacuum. It passes into glass, which has an indexd5ezxi.j9j 0km )f6+qkk lez* of refraction of 1.50. 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 wavelength60ehrqo44 y2 rwxlrjls8 e3 *t;b lmc4 of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of obr3y6;0te rl4ehl 4jrc*xw q48m2 s lthe 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 nm in jc7 jl;cng -m m4q(do mponxa569nq64vacuum 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 ag. 7qu r- 8hs8hzmuwx+t $1.96 \times 10^8 \; m/s$ 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 travel at (lw7i.t ys2fw w+0q xn$1.96 \times 10^8 \; m/s$ 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 mm2tjpgm(syke- j6j):3kv ( ghn apart. Monochromatic light falls on these slits, and produces a fifth order interference fj2-sj6 h) empv3( ktn:g(kyjgringe 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 57-7bn0/pqhsz;na1bv d5 nm falls on a double-slit and the third order bright fringe is seen at an an0sh ; znpd7/1nb -baqvgle 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 m8g07xs+ j/mcd1u am.cap k6gbetween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing buja/ mm+g 7xgsk c.c8p0m6d1aetween the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mmnxz1uq3v o :j-, and two wavelengths, 750 nm and 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 coincidj1-uxqv 3 oz:ne 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. Mo0.i 9/8*px xkwf wvjmonochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference frinm. 9/wj0p xwvf8io* xkges?

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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 incident9bpygce hk1.4yrvit,,n0r 0o 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 , hctrrinp09o4.y kyvebg,0 11.20 m from 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 containing two wavelengths, 480y h.bml.6 r8chr2pn.r nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1h6p 8rym2r.. h l.bncr.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 l-)h93n8z+f bwmui ld(wavelength 480 nm) and red light (wavelength d-98+ mfzb)nlhw3 iul670 nm) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mm. What is the mma8qhpphr);x (t vowkt/9y y,x 1 1h3angular width of mo,q v rh xp(/;1pa)9mw8 ktxh31y thythe 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 wide, is i)wq0n6l hf* ta vp/7emlluminated by light of 550 nm wavelength. What is the angular separation a6elt*70 n h/vmp qf)wbetween 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 incident on a single slit 0(at: qzm8 u)pj.75 mm wide. At what distance from the slit should a screen be placed if the secu)mqztjp( a:8 ond 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 (m obllc/ 17jzxm/;c9ncw6p r and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is thwj p69x7ccbn ll/ o/zmr (c1;me 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 nmk6xrf/qezxm- 9 ce nn44ksj63 is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order da enzexxf 9k6mrc4-s 6nq4 k/3jrk 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 widtugei77y2 f sv 7gv2/v/ik p)nyh 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the cent k77sfv7iy e y)iv v//pgu2ng2ral 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 7000l*91zke5jis-n7h v zp lines per centimeter, its second order maximumz75j l1-hvn *9z eiskp 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 beit*ul fag ;63utween the central maximum ant*liu;ug 3a6fd 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 gra rxmt1w 65;tu.9wdvcw ting that is 75 mm wide and ruled with 50,000 lines. The second-order max rw1 wt. 6vuc;9tdw5mximum 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 produces a 1dflyv;dr)3 dfirst-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 grating. What is the wavelength of the light frl 3 fdv)r1yd;dom 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 centimx ie/20cs iuy9eter ruled on it. What is the angular separation between the second and the third orders on the same side of ux0s 2y9eic i/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. psztx2:q, hn; If the grating has 2000 lines peq2t;ph:,sx z nr centimeter, 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 used to calibrau*. yr42 3t+o8bwu;v th lkbv bqc3l4cte a grating. If the first-order maximum uoch*w l;.2tv4q +3tb8rb3yvl4u kcb 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 iu; sk(zk ;3-cb/lnf )yau yrwtv1(u c7ncident normally on a grating. If the third-order maximum of the diffraction pattern is ob7u;ku1lbu;cv -cr yft(ykazw(s n/)3 served 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 nm1w qc/n9o* why* *,(vin1 he3zsedccg is incident normally on a grating. If the third-order maximum of the diffract ev nhyg,* no/9qc 1( ed3*s*wchwzci1ion 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 ouhnjfs uw+ h, kv3( g9uqv959fne 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 wavele 99j(huvsfk hg9u+ 5u3qf w,nvngth 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 minimupv0yj 07-6n rcc ucowl :xdw;3m thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengl3 ;ccpw v6j0d -n0o7r ycwx:uth 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 s1ne-yzs3*iiuj3xsyieat m8 x/5v9j;c 9a :i = 1.33). What is the minimum thickness of film that will give an intx9i ui ac1se/zm3yjiv y-ti8sx:* 53e9a; j snerference 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 nonreflecti feb9x2 * gpv swuar6a((jozi8 *.0vekng film coating (n = 1.30) on a glas9vvb*kaz rjp8gi. (o*ews6u(f 2 x0aes lens (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 intens g(y2,1dlm wwaity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred diaw ,w 21(mygdlrection 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 rovs31xn.do v/z:tu ) mxj;fe4jtated $30^{\circ}$ 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 phk dxm qw.h:*zwa sknt s zw+*j.,-1.biece of glass at an angle of *d kt.asj zhq kw1+wnbz*sh:- .mw.x,$57.3^{\circ}$. 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- e4vc7;stm pes,;gl he4i/e g1analyzer combination. The transmission axes of the polarizer and the analyzer are 4g;,4;e1ethms g 7v lee/spci 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 cawydqt iqwkm4 2b324:elm water is completely polardw2:twm4 ebqqik32 y 4ized?

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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 throu/ky7w4h)v1aav1r+g ;j w pybx pr)gz-gh a polarizer and 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 between the axes of the polarizejpp x;b41v aagw+y /y7-zr)hk1 w )vrgr 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 inrm8 m;yoh5fe+ vacuum and reflecting off a piece of glass of mfoe+8r ;mh5y index of refraction 1.48?

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