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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 principlq j9.r 4oh)wgdi aay2)6so 7ope.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followidk- h 0s;3kozzz0 /flhng is a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is attribu/k fuwfg/ lt06rq z;q;ted 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 i( kb gbgnz,, 34rfth6attributed 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 opt srqsq h,1a6x2ical 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, enter6oq rh*; qxjmizd ljz-8p3 7zw2/4la zs a piece of glass (index of refraction 1.m;a 6ljzxp8z 7rz/howqjdzq* -l24 i350), 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, entery+)z+qes9;pbbq hnu+ x3u:m ds a piece of glass (in9un ;+yu +m+s ph)z:3ebqbq dxdex 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 asai2zp+ rlpact6;6b; ojam s .bc k2v4.l -tgz8 it passes through a narrow slit? zp s4;2.gtvbl mt2 o.a8 a ;z-6pijlak+cr6bc

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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 buiemn qyvp .:p1p c39qwf-dig0k+aa7o, ldings, whereas light is not noticeab ipa 9-op,qpvwdenf0a.q+:mk c31gy7 ly 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 ligh 9s k;jb2eb:d,*eeehf 3 2aggqt and dark bands when light passes threbk2fe, eg:b;hjd*qg3 s2e9 a ough 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 said to be k9o-bolcglw-/ ccm -2 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 are megbt +wv+6xal.f/ 2min phase with each other.vxmawmt2 ++6ge lb f/?

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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 lkzqo*/h0if c -ight travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two bq /fk ic*-0zhoeams 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 a6f lenmj2+rf6 rriving at point P. If the maximum j +mn leffr626destructive 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 o tzfvygu+(i +,y u0zj;f the central bright spot in a double-slit experiment, light from each opening arr;uyt+ y ug jizz(+0,fvives

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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 eithu h9ghlpe y9c3d 88hy;er side of the central bright spot in a double-slit experiment, c9h h93 8;ulgpyhe8 ydlight 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 es3j. cto)0 yidither side of the central bright spot in a double-slit ecsojdti y0.3) xperiment, 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 st 9 1rbr 9d9uszj6l3iplits decreases, what happens to the dis lrsd99t z6piurjb 319tance 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 expe+hlpv m:,k-ptriment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between ad:t,vlhk p+p m-jacent 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 pjda + g usfu50pm(x1yffi,+e3ath $P_1$ 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 experimentr 42 o7 btsj uckt,8ncx.z8ln. arrives at a point on the screen one-half wavelength behind the wave from the u8, k7bl.c8.2j no4csx tz nrtother 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 impos3h)x7i s+ axmk2lgry /sible to obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavekshxya )2+3 7/ rlxigmlength 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 maxi*+m6 qk;-leq08jb)g- cuylefk p. ywdma in a double-slit interference pattern using monochromatic m ;6cl kpe.u0* -yegb-qy)lw+jf8k qdlight 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 whi b0e 7nrhxl4s19o /vh ja,b/fhte light into different colors isj/ 0 ehxavh7rf1s, 9bho/b4n l

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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 rai//qsmjsw n ju:-2:-a0ewq. 5dbuddcynbow 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 shortegw s.q (5wh a3gno x5o*6i2lqlr 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 lb6: 7vpu)ld p750 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 passiebhgi nisu:ke5h781o y,xu9. ng from air to glasskuis:95. eiu71 bg, h yhx8noe?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when pass: rg 1yzxk;nzrk h69c-ing from air to glaxzkgkzh ;cr1r6: 9- ynss?

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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 th9wr+7g-vi it eck0-je ick glass plate with parallel sides, at anc9t0 vi-jg7e+ ir- kwe 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 vb nj)bfw6k rz;.q 62sxery distant light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she w wk j2zbn;.fxs)6b 6qrill 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 : a25nxs1 3ta -.amyuy qs;guxwidth of the slit increases, what happens to the wuy;ysn.xu5-:at a1sxqm 2 ag3idth 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; + ho8 mh sxy+lf1r1tn94s rw:vone has 4000 lines per cm and the other one has+1yrt49nsv h:1xo smwlf r+ 8h 6000 lines 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 separmyq4kfq.9 z4*ns sp. uby(hp/hl2 *fcation, 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 monochrolchbf.mps /(.hqq*ku24yp y9 fn*s4z matic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflection an5 xk3r7aabzw0zem:drud:q 0- fco05i d

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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 monoch-ofb5 d2w,,qk-siypq 3z/wtd nbq. ,jromatic light waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomenon d qtw3s-2yd.jbpfq,5 ni w/b,-zkoq,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, thery 8 kegp.wid1*e is81ekg *wd. ypi

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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 sh9yygi3c k4i7+3 tj kuurface,uk4jcyyh39kt+ i7i 3g there 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 lahw9xh :v:5 y-mis 7ms(u,mzzight. As the film becomes very much thinner t z9,z(wy:h um5-7asi:xmm vhshan the wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelebuu3neff w xh: x6tt j97w* nd6.)(yiingth of light in magnesium fluoride, what is 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 re n.uw ju (t3wfx*7xnetd)6i:ib6 9yh ffraction 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 gmcpa;js.hes8a bx9yw87 /c k9 lass plate and illuminated 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 in direct cos pmc; kyxwhs98c8abjae.9 7/ntact?

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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 sunglass (vkzr chl9vuvyqwd7mn45 db()112ases can reduce glare from reflected sv(dku9z 4lv) q1d w5v c(ysamr1hb7n2urfaces?

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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 polarn*tw3g i xm,(cization 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 in a dichroic material like a Pol9h, edbf z,y8e:x l+bxvz8yb2aroid8+x h,d2xby,bv8z9e y:ezflb 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 axeyf c+3xa)joz 1s of two Polaroid films are perpendicular to each other, what is the percentage of the io+cjxfzy 13a) ncident 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 th,;,tn9h .5,n+olw g)an a zcny lqzn1oe 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 grefnvm+ny6,r9 xw( gtk: cad(;zyoj/24z du7ap atest 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 + dgfc)m gez;,-vu.ttexhibited?

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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 t14g cfae6vs)y5 r -(;imbnzyj;k fa*xxd;7wgoward the zenith (overhead) than it does toward tha 7f(v ycr;f;gx6bdnjx)zkgwie 1y ;4asm- 5*e horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes into glass, which has iep03r,eip sx/fkvdp x;(2/l an index of refraction of 1.50. What is the wavelength ofep0 ;/ i( 3/frsvx,klxi2pdep 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. Itm1 xi mq1:6(yc r7hgct passes into glass, which has an index of refraction of 1.50. What is the frequency ht6q c11:yxri( cg7 mmof 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 pa0phd o+jodh;32 )xpxzsses into glass, which has an index of refraction of 1.50. What is the sh 0x;p)d+p3dh2jzxo o peed of the 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 vacuum is founeh) u: wfd4sb(d 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 tra:6 vb as6yr qiyu o :w/-ui+n6fl*;amxvel 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 afsa d09ts*1 za a+t-4zrfz(l dir is found to 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 on thesena4 de u5,ayx, e 9gl7 fhm4(mb0lsku7 slits, and produces a fifthgb5x7al e0u d,sh4a9k7mn u,l4 ymfe( 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-slit and lsvo+q- iwh14the third order bright fringe is s4vw+o- lhi sq1een 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 itg:fgufs l a3d4wzrqd(sj+ 65*2l 0fc s 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between th qact+r3ls5fj0g 4 fl:d ugdf(2* ws6ze 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 mm, and two w-mgb 1wrb 7wq:h voc- o.cwa/8avelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central :wc m-c.wbg17 /w-arb voo8hq 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 wavelengthd) lfuu;r02;se:b zsl 634 nm falls on the slits. If there is 02dle;l s zur:b;fs u)a screen 6.0 m away, 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 is incident on a Young's double slit setup that has a biq;fnpl/oeq b1a+k,k*ua;0 f w;tw/slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bf/ko;nt0* ka b q,f;wbl;+1qe w/ip uaright 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 cont8k q9(ro ,llncru5c4l aining 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 is 1.4830 at 480 nm and 1.4760 at 700 nm. Determ4rk l58 o(qcl 9nl,urcine 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 (wag q7.(+5xhi+r yic rz m.eu1hzvelength 670 nm) is incident on a thick piecx z+7gh yr.zmeuc(r1.i5+hqie 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 mgnh01 t65 gect-ziiw2m. What is the angular width of the central diffrac-5tg1z 0 tc2igneih6w tion peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminated by light of 550o4 u+2qdzrf ((av*ncfl 9tqc: nm wavelength. What is the angular separation between the fi nrq*lu2vt cc4oa q+(9: z(dffrst 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 sing cpoz7ki9 mucdu(u2.1le slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm fri2u omkdc c1.u9z(7upom 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:r yr) ztlgt)kah - 8(eo*m 3obbnf58m is incident on a slit 0.20 mm wide and the diffraction pattern is p-f8l5nrb by: aotm(*g) ht)r83ze om kroduced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incidhi96/.g ailqn06yhyyent 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 dark fringe from the center of th yihli696a n/h.yy0gqe 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. An obs8d9e4kmwj/ bq dypz5)erving screen is plaedjm w /k4p)95b yqz8dced 2.00 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 7000 o5 *jwy iozsqwoh 3)((f vi6/qlines per centimeter, its second orde/j vfi* (3oho) yo(qwq5wz6is r maximum is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. The angle between the central maxabzifx6k,kb-e 81*z vimum and zb 6v-aikfb* 1ek 8xz,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 ;dbd-63-d r ddfx,ydion a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximdd-dddi ybf;d,r 3-x6um 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 first-order jjx ;casd7:p3*rt p(*dfbs v;. *qpuv maximum 0.350 mm from the central maximum on a distant screen. A secvud3p*fsbcv*: s j;qja t*r p7(.px; dond 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 haqh)5j go:z vq;s 6000 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated w)qvhq ; jg:z5oith 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 the grah bqle3kf /b*3f7-hrzl23w ayting has 2000 lines per centimeter, a3l3-yfq*3klf7 2ez /bb awhr ht 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 cal c;g8 tslov5p2v*r3ruibrate a grating. If the first-order maximum ops5 glrv2o3trcv8;u* ccurs 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 50*eu an/zt/*uq0 nm is incident normally on a grating. If the third-order maximum of the diffracti*eu u */ztnq/aon 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* y-8rfeni:cfs - ow6w wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern if w*yi - 8w:sf6nocer-s 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 gll+m5 o.c 6 0arjyza4*sbwcf5wass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interfers45+*wl m5 yazwborc06ja fc. ence 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 1.3 alq3e338gbd l3. What minimum thickness of this bubble will ensure maximum reflectance ofela lgbd3338 q 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 zpjw;9f qa/ *v7s:slt500 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an intej v;qa *slzwsf97 /:tprference 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 t 4keq5m)xp7t2sf ks3zhickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 x s5k4t 3p 2sq)z7kefmnm?

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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 a4 jl,h91xpfh b ij tyg(+w3jn/ beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is ljn1+( tp,/4g hbij9yxhj3 wfplaced in the beam 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 dirs ,j(yrq6(k -(xpyvzf ection 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 anglezqwfbu:8o4 +0 zmfqr. of 04q.uwfzr 8zb +:mf oq$57.3^{\circ}$. 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. Theumt a+i t;ucmr7v4d0 9 transmissiuuavm0 +rd;tc7m 49tion axes 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 when its image reflected in calm bu bwg +tcd85:water is :8bc+gd wt5 bucompletely 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 fix-+: 8ywz-zze-yzb. 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 polarizer andz+zzxeb w-y 8i:- zf-y 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 t ,0l d35 hd-ph sx9jzm7+swdyreflecting off a piece of glass of indeh+3 x7wd90d hsl-ptj z5myd,sx of refraction 1.48?

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