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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: 游客未登录  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 princg ba3ds)-k4cuiple.
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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 4 bis.;:mtolq8f f, rosbh*3bt?

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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( uybe yd 92ik,q;qd8krx,e 4zted 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 lightjh dclwe:;.30a-o gigm/ fzp* 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 mediy( r4m) qr5c0 hltj*fuum 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 (wavelength = 590 nm), originally traveling in air, ent q sledyjg9gk /f-1pxj7/37 xzf2h7fg ers a piece of glass - 1l g7ky/ / fjqsgxgj2p3f9hf7xde7 z(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), ork,6mcj w6 h((sa0 zqb uq6e9eoiginally traveling in air, enters ame0owqjbhq69 ke(z, 6s( 6c ua piece of glass (index 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 ligh+f).(isl davd t spreading as it passes through a narrow slit?fsvl)i .d d+a(

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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 og:gz j9a3oq*4 h pu mcju/1l.o8t:glq bjects such as buildings, whereas light is 4:z*c:.gou umq9jg 3q8 th plagl j1o/not noticeably 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-y8a9-bhqg bt2j sdo) for alternating light and dark bands when light pas gbqa -b9sh2j)tyo -8dses through two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are zrke0,98v1: eooq ; +dlknbdt9a, o husaid 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 stri)40dct(mgg )g py3khd*(zi qeking a screen are in phase with each oz4c)3tq d(y )dgphg*0(ige mkther?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at4d/)y(-o, voppkhmju hv tr j ef -eo-6qp8h+1 point P. If the maximum constructive interference is to occur at pht-epoqm8+(, uo1j6vr h de-vp4- fhyojk/)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 pq*o44j tr hs6raths arriving at point P. If the maximum destructive hs t *46qr4ojrinterference 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 ),/)c,ra s.l q *vkuv- cyjvoaside of the central bright spot in a double-slit experivk jyl)/s*,)-uvravcc o .a,qment, light from each 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 r3 q ua d;8uiw+w(a1fuon either side of the central bright spot in a double-slit experime(+ui 1wdauu3a;wfqr 8 nt, 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 *rm9su/vu r*i +xb8h66 j irrn*hcw8beither side of the central bright spot in a double-slit expex 6rjuih *bmv 9 86*h rnu/*s+ricwbr8riment, 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 ehs.17hb .jakz2g t4m n *1ziuhxperiment, if the separation between the slits decreases, what 4t7.shh1g hjk2 uba*.nm 1zizhappens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experqujq plm. :)w lfh8oo:b-5;gqiment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separationl- 5qwlouf.o qqb 8g:;)h:pmj 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 /objt+)b1u vyt4.3o *rfguei 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';9h kpt3ft,tcz:vlpac. 4 vo9 s double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is ;3h9okvt t,zpv9 l4ac. tfcp :observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a double-slit ao6n1hd bgbty r9 3b6w4k6uj: experiment if the separation6 g6a96 y3btnrdj :kb4uhbo w1 of the slits is 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 interference pattern usoleqz+v2,d 92 d(rueaing monochromatic light isd92 evz+leard(u, 2 oq

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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 e.0b-,bl x6+i eodu fcejj30xwhite light into different coloxo,cf +6bu0x.eedj30e jib -lrs 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 raing ;j;1f r ghky(g(so shlcm )9;b6f,tpbow 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 thand* d,grw v*9dax; uju9 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 slai;0h sj93tobeam m 8k tq8/*qightly 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 undae+ s *zel50a9+o1juufq; rp rergoes the greatest refraction when passing from air to glass?p *0afl +1r5 u;era9+ejqzous

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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 passing from a9xa 9pir,ctc8s bb*0 qir to *qtbra b9ixsc,0p98cglass?

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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 o *tugdx 5)qzn.n a thick glass plate with parallel sides, at an angle betw)udt5.*g xqzneen $0^{\circ}$ 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 fi5n/z uecqk9 k.ngers, with a very small gap between them, and looks at the light so .nkkcq/ z5eu9urce, 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 c /q+5cvi;ok0loto ;zwidth of the slit increases, what happens to the width of the central maximum on a scc0o vktoq iolz /5+;;creen?

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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 lines per cm and the otherw5;, 1hqrv eg4v cje.q one has 6000 lines per cm. Make a statement comparing the dispersion of t r,.4c1q;5gejwhqv vehe 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 diffractitz foi.2 (oim1on gratings with the same slit separation, the only difference being that one grozft2.m o(i1i ating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the 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 abb:a. +damz/ 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 constructiv)o)gq/ zms6 by tuc 9/of1,vniely or destm)b6 o qguo/i 1),n/yctvsfz9ructively, depending on their phase difference. 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, strikes an air b wq.e4yx 7-hyik-d d1;s k*bcvoundary, therks b 7dwd.h y;41eyci-q-kv* xe 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 traveli8is1zox:edo x,6w4ko 1 c w;kyng in air, is reflected by a glass surface,e 8w ;s kicx1ow,1:o6zdy 4kxo 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 vb 4laiz:jo3z 1iewed in white light. As the film becomes very much thinner thanzlb ozi:4 ja13 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 wavelength of light in magnesium fluoride, what is the minimum te5tf6ko w ovlikz/xd7lg85 .+hickness of magnesium fluoride coating that must be applied to a gl 5.6tk7z8xk5wovl f odgle+/iass 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 flab e+xk q0e i;o43sau2ot glass plate and illuminated from above with monochromatic red light. e +bu ;iseqx3ooka402When 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 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 ce em griskq()68c2b 0u6s+icavrtain sunglasses can reduce glare from reflected surfaces cavk0smgs8iec6qu +b)r6 2(i?

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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 polarizati/ 0j q5j9owwn8d1 at degc6y,gon 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 :,7oaskwj/nc l 2 ga*vlike a Polaroid fi o:ncjsg2w7a*vk,al/lm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axeszqx0g(zhtbjdx0;/5w z4uv 0 q of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass tvt zbgqz/w0qdxu45z(;0 0xj h he 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 frm+d,r50xh2kcl do c5 g.1:gn6ayplun om 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 sunligh45 twz0q42*qn(pr9z n sn uttot 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 d9uwfy /r9gj(m/ o8vr5 )mxzzsiffraction 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 b ;uj+vor*qvx +ek,9yji +j vf,e more blue toward the zenith (overhead) than it does toward j9, v+kir*q,e f+ v jj+x;vouythe 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 ntvr,y2aa g37 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glass? a,37r tyvgna2

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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 glh.t*5ii l3yt6kq /zyc bl)/ht ass, which has an index of refraction of 1.50. What is tl) .iy bt3 /c*h5t/lkz6qhyithe 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 pasgxv: 9 7hn8xckses into glass, which has an index of refraction of 1.50. W 9gvn7x:h8xkchat is the speed 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 founuwwlrhnb r-ds)g,i h-e(.d(*0ws b1p 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 fou *s svy 8zhi3z08dnkd))ss) bxnd 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 e -*vb jmt+4rknm in air 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 these s7cy7j v,f4nlwlt 1v( ilits, and produces a fifth order intec,(flv 1v7il 74nw jytrference 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 do0d np6yy6z9cfuble-slit and the third order bright fringe is seen at an ancy 6d9pyfn 06zgle 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 ism3 k5d)yye4(a.gp n tx 1+tdky 0.050 mm and the distance from the slits to a screen is 2.5 m, find tekt+g(3t4pk) 1.mnx ayydy5 dhe 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 experiqxshq o8d5j3b;v3p22/p ea9qr.m fyoment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 9 yh395283 /jp epq ofo2vdb.xq;rmqsa00 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 634 nm fals*qf5 yd/ 4nmmls on the slits. If t4fy5 /nmdm sq*here is 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 Younghi6 2 q)nzvbd1'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 slit. What is the separation between the third-order bright fringe and the zeroth-order briq )2znv16dbhi ght 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 we)/ 3src3(pui 80kkrg2 fgfl containing two wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidr80 3r gf 3ls uw/kcp)fgi2(keence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the glass.

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A ray of light consisting of blue light (wavelength 480 nm) and red light wxoj 9x,i p2bma0i,5f(wavelength 670 nm) is incident on a thick piec 5j pw2 0iaobim,,9fxxe 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 o+z/cl+ fks60/apvgn qjatoaxj -):)jn a single slit of width 0.20 mm. What is the angular width of the cenafzt +qsv/-6c /o jj) jx+0k:ngl)paa tral 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 yzw1med;6x/v qj/veo 4 ng:9 p0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the9mz wv o;6vj/q:dg1nx /pe4ey 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 incid: t fnj8bzloac)+n5:m ent 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 t8za olnt5n+ :: bjmf)che 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 wk6i:m 2 i pg(et82frtjide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central ma g(8mjftt26ir2 p:eki ximum?

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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 mle:(oaw mh(h0o, fjv(t 8q 7pmm. An observing screen is placed 2.00 m from the slit. Find the position of th7f,ewv(o (j l oa8:mh(0tmpqhe first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. Ayz 3,+ mn7qjik3vd avl55i.vvn observing screen is placed 2.00 m from the slil y vnv.5ik3v5aqmv+,zdi3 j7 t. 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 lines per centimeter, its 3 j2uy sa.mgf(vi,j:s second order maximum is a:f(vy ,a ij3 s2ugmj.st $62.4^{\circ}$. 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 ch n2jh-*f m.x4i8b aj jnsf(6ym. The angle between the central maximum aja(2fjn nhxi6jy*-m8s. bf4h nd 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 grating that is 75 mm widapqf/3xkw83, 0s st ote and ruled with 50,000 linesa3xpk qwttf s0,/o3s8. 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, light otlabq.i *(a 9yf 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distaqbt.aiy(l *9a nt 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 centimeter ruled on it. Wh;v n oa.qcn8mingsy 4ij)4 +x*at is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminv*is8najx.gi ;o4+yc qn nm)4 ated 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 the gratingbp/b5e j qhc;6 has 2000 lines per cen6qp ec5;j hb/btimeter, 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 calibrate a gratinggdra2x0nt 5m iup3qui1qk4 3+8,zpwh. If the first-order maxim4kq,z2a8ni03wug +mh tdr pi1pxu 3q5um 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 incident nor60s -j fkjb-j5cvi-numally on a grating. If the third-order maximum of the diffraction paj jkj5bf0nvi c-6-su- ttern 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 waveleng)ehb+**f . nh/ htrggxth 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed hgb *h+n/h.e gfx*)tr 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 itfdy9 xyo5, 1ss 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 x5 f 9s,1toyydbands 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 3mr3cler w/-j refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 53e/rjlw3c -mr30 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 soap0x/o c. r7 auot4kly,i6ougap fy*x +6 film ( n = 1.33). What is the minimum thickness of film that willx 0,u7yx arot f*cuk+i6. l4aop6/o yg 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)la)*vclsuh1 l ,iy) 6i on a glass lens (n = 1.50) for wavelsvi l*yhi),u c16al l)ength 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 unpolauuqm itejr*9+ t,m3 1 .f 7zz,vmjdws0rized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred dirfmjv. quzud9e+m0zt1rti , *37 msj ,wection 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 f yvw(, ;w5spmrh 23kdrotated $30^{\circ}$ 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 angle ovuzea1bq7 4 *uz8in 1df eq4nuivdz*ub8 1az7 1 $57.3^{\circ}$. 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 throuxpuzxk /lo b375s+2 vygh a polarizer-analyzer combination. The transm5y7x s3lov+bkz p/2 uxission 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 tu4t -(opiml36yo4 p nreflected in calm water is comt4nt ( -3lo6iy pmpuo4pletely 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. I .mev 70,pvgmk/8f vmeaj2p9 on 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 polariz,0mvk 7omm/g9j8e2va.e fp pver 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 -t,19yet wjl*di+u ysa piece t 19 yj+ tu,d*lsy-iewof glass of index of refraction 1.48?

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