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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 princ 67stnb1fw q5miple.
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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 mbaqz1w)fw 1(a;htnq /67 ay(y)qb lsis 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 isdbr0y6/p)b6g z0 c7vznzi h i7 attributed 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 lightq:4 t7wzl)q l wefq47e 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 medi1uim t5n f,,smum 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 light4xk : 6wh0hg5was;c *y yua:kc (wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refractixwswhcy:g6 :ykk4;ua*ch a 50on 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 trave6my0i kler.n) 92wh psta.sd o; 35biiling in air, enters a piece of glass (i la2rs by3.phimt.dei 9nwoi)s;50k 6ndex 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 resp,rs2svxan 7*8n 4g kutonsible for light spreading as it passes through a narrow slit?skr st an7*2v, 4x8gun

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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 d5a,eo,rie m4r3zj0v objects such as buildings, whereas light is not noticeably diffracted. Why ie 0m5ij4,dzr a3oe, rvs 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 uja0)+ifcnk d56r co+ and dark bands when light passes through two or mo) jkc 0fu6cina+r+5dore 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 s g 5b5y;ywk..5asg tcwaid 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 striking a screen are in phase4aqn8: -cx/sx lhje. i7a (zir with eaae(4cjrz8.ni7 ix:/lxs q h-ach 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 light travel different paths arriving at +v fi8w:-tnwlfd ; :d6bfh5az3ggv4e point P. If the maximum constructive interference is to occur at point P, the two beams mus6:b4whfn - ve+: ddfftiv aw5 g3lg;z8t

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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 av,p v0ug qo)c;rriving at point P. If the maximum destructive interference is to occur at point P, the two u0g,v )qcv po;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 ofxlwgu9)z mh66,u -4 eenpo) ao the central bright spot in a double-slit experiment, light from each opening arrivesx9)hul p aeg),znuem wo o-466

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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 of27 odgj- gzh dq3/cj7u the central bright spot in a double-slit expegu/2 z-d7joj3cdh 7qgriment, 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 s.en/. 8-k 5sqbf hpkzoide of the central bright spot in a double-slit exper opk/qz.h8e ns-.5kfb iment, 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/0sjoyicv:;c.t gx+,p-hu et the slits decreases, what happens to the distao-xtusp,v h+t .:i yeg0/cj; cnce 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 experimente1yj5a;* rbq9w20k fzj odf;u , it is observed that the distance between adjacent maxima on a remote screen is 1.0 cub ;yfqdjf9 5;r0 j*2wazko1em. 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 liyh01y w 1lvvp7ght 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 slit exp,o yrgtz5/w,m eriment arrives at a point on the screen one-half wavelength bet ,mo rywg,/5zhind 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 interference ;+o fu/jdg; p;593sb qp glwlkfringes in a double-slit experiment if the separation of the slits is q g l5wusj o9+pl;k;gf;d /p3bless 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 adjacentk- /y-bggka d, maxima in a double-slit interference pattern using monochromatic light kgy/--d,k bga 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 intel5t2 cjpf7- uok /x7qo different colox/qc7up-2 o lj5fe tk7rs 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 x:)vef8 zbjcd;f.u 8u allows 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 than 400 nm is ca xb 0zrsc/z* 6bltq3m 9hm374; sxlwr (havwj7lled

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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 thaix.2az*fbb ,9 ih r0hi /ixu0rn 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 from air to eexri6gw1 3am d+u/q 0glass?e + ux/ie1a0gdrw6m3 q

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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 undergn arp *u wps9p ar/ -fd:-fcu ;cd.b,k33,ughooes the smallest refraction when passing from air to glas9fdrp o cnd:*par ,b3 p3uc/,sufu-kgw; -a.h s?

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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 ogsab 4h0fl)s2tk l/5 is incident on a thick glass plate with parallel sides, at an angha ) 2k/s4fobt 50lglsle 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 fingec1 o-ezq w,0c2 sy yiu-dp9y-grs, with a very small gap between them, and looks at the light 2uoywy09--dc- es pycg z1qi, 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 xhev9 :+r8np3obd2 fq experiment, if the width of the slit increases, what happens to the width of the central maximum on a screen?be:pf3rndho82q +9 x v

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction f)u /)ezlx)iw gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparingz u/)fl)ew)i x 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 gra ix(6 tgvt i y+s5udz7i5hq,.btings with the same slit separation, 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 monochromatic light, make a statement concerning the separa,yviix7 6t5hgzb5 (tudqs i+.tion 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 are1srea ll-.ie6t.: zdr3hw e/t 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 rwqv 7-6ky dakkgy5( jz :x7.xcan interfere constructively or destructively, depending on t5yk :zgx(v-ykk j776wrq xda.heir 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, whiee 1 r- akvy+e9g,m-rpch is traveling in glass, strikes an air boundary, thereee9gmp,+r1vae k-r- y 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, whicf6 g5iu .0l,izoa pb/vh is traveling in air, is reflected by a glass surface, there isi.6ul, z/f0gb5iap ov

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very mucha q( 8qgb2/fok thinner than the wavelength of blue light, the fi8gkq2(af /b qolm

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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(nhbr,f4hky 0, 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 refraction of magnesium fluoride is intermediate to t (f0hkn,hyb r4hat 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-ezgrbgm5c-y *5 * hlj 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 exactlmg- c* z ryh*j5g5e-b 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 certain sunglasses can reduce gl/9x0n hndyy ;kb nxl7*are from reflected surfay;x/9ln*n kyh7d0 bx nces?

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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, thxu*cyt-vs5 bp+3c-db;/w ugte direction 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 obtain polarized kgki m79 /dkb47/fd( 0rmxdsb light in a dichroic material like a Polaroid f 0dk/ r kg7(bddm 7xfikmsb4/9ilm?

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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 arp0n0f /+y+p/ wf49 0q1alko4tr h1znirxlv yf e perpendicular to each other, what isa1rlt4p kv 0iqh+1po00n/z f9+nrxf/ lyy4fw 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 fd b8h* lihblm85k+2x gz( zzqk7a/3y the surface of a lake

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlight is great,n gd tazqbqj-9sd+ k5ud 6u.w( mzd-0est 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 exhibit2 mz4fka ii)pl2)+ta4 th;veeed?

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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 toward the zenith (overheadm25m8 qrsh .n/pa. ftd) than it doe 5d pqfst .hm/m82nr.as 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 of 600 nm in a vacuum. qzm(ovvu/b5:jdp g ,evj9/ y 4It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in t, j bv/g jyv9do 5q(vm/e4:pzuhe 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 vacuu9+ywm41rczvyi v0ln ; m. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the lighvi l4cwrv9y my1 ;nz+0t 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 vacvd)s:wgr crgp ,n1a7z6 m0o-auum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the gcwmn ),v p aa 0gd6g1-zr7:rsolass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to trave nuhl9t, pa9-k7h9s gjl 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 traisp5p fowmy2sxy 0k a7o8g+)0vel 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 nmfjc c(l s 6m+kj;(cbq)kw8th. 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 onbks;4fegv9 +n9fdy sg6tewf/qgr:(/ these slits, and produces a fifth ordets/yqg(v s egf9f deg n4f;r+6bw9/ k:r 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 and4u k8g 8pqo/gp the third order bright fringe is seen at a8u4qgppo g/8k n 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 slit-m zcq-i* 8.fy9qjn33 jhm hpxs is 0.050 mm and the distance from the slits to h-n -.i z3 8jmqfpj*3hmqx cy9a 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 s8 rx-zxqi-qy* lit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At wharyqxxq8*-i -z t 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 apart4w2tb:kay 3hm :oj pu2. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, ho:puhka:j wym4 b3to2 2w 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 sel i6o 0lfbg(q*tup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m f( blil*0qgo 6from 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, 480 nm andoitb :s ivj4 ;jlerz3b -ltk 8/wv:5l8 700 nm, strikes a plain piece of3 zi r;45o8l t-beb kwjvi v/8::ltljs 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. 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 (wavelengt)keshik6 ml)kj;qp1 , h 480 nm) and red light (wavelength 670 nm) is incide s k1))e, ;iqm6kklhjpnt 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 tcr w+foe0ya:33 h0msi n 5uj/dhe angular width of the0 :yciru+5ns o3 mj0ehdaf/ w3 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 mmw w k):5m,q bdltow,h5 wide, is illuminated by light of 550 nm wavelength. What is l)ow:t5,5 kw bd,qm hwthe angular separation between the first two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a single slit m-wzf.u;v6og /g9prb0.75 mm wide. At what distance from the slit should a screen be placed if the srb;fm v6.ogzpw/g -u9econd 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 in9g 3en7-osr iwcident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. r is37wgoe n-9What 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 i6iv9ax +b-n f 1dnll2-utgh 1sncident on a slit of width 0.300 mm. An observing screen is placed 2.00 m fromdabx1tg 9flsi621-- nu nhv+l the slit. 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 width 0.300 mm. An observinpm,f*y773 x cl1dfu2fkst +agg screen is placed 2.00 m from the slit. Find th3+, c17sldyt xf7mffuk2 ap*ge 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 seczuh6i (;hc 0xnup4ngkmc +6x,ond order maximum is an;zh (6c4 ug6xxmp+i0,k uhnct $62.4^{\circ}$. 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.w7yq sht/5h+.2mxw w p The angle between the central maximum and the fourth order mathxyq7p w+s.5 h2/wwmximum 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 y+( 4e djc vi/j/eya +sexn.p8m ;cl3yis 75 mm wide and ruled with 50,0d.j j x c ly4y+3/e/n+8(e mveiasyc;p00 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, light of 600 nm wavelength produces a first-order mmhtlz +ti+ql r5)fk.k)gq(t :aximum 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 passl+5m() gtq:k+th)k.lr tf qizes 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 oxl+n 34d- /w/dvw6dof zo+eio n 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 with a beam of lig-4ddi+/odexovo+ 3/w lz fnw6ht 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 sebg c7g j0e3na x:i5f7pectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the fie5an7x f: cggj7i0b e3rst 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 grating. If the first-order mav f x)fvp4f/04n 8gpmq( q)wyh fqzv69ximum occurs atp)gy8zfx m pf nv6wvvqf)qq0(44f/9h $20.5^{\circ}$, 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 cqm mgji(b;oxr; 4*0 :y6n jed500 nm is incident normally on a grating. If the third-ordejo 6r;cmdj*m0n yqeb; gxi4: (r maximum of 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 wavebxx/ d)37 t0oemuvfo 9length 500 nm is incident normally on a grating. If the third-orooxbm0e7 / vu)9dftx 3der maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separam6/3,iyauo; 6gbvrizl*nd g 2ted from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). Hlvm az uo6*,y/bngr 2id g;36iow far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction of 1.33. What minimum thicknqaz )1m jy(:rf* i8rnness of this bubble will ensure maximum reflectance of normally : mn(n jq)y8 *ar1rzifincident 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 5x/fbflz0/2 ula3pobqpp1 7 6 j00 nm illuminates a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is ij7ozqpfbu1l06p axl3 2p/ fb/ncident 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-na/ dp,z +ah tef*a+x coating (n = 1.30) on a gladz++,x /pnf a*eht a-ass 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 cvp93o( by-).qcppf c placed in a beam of unpolarized light and the intensity of the)pyp-qcp3. vc9c( bof transmitted light is 1. A second ideal polarizer is placed 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 direction rotz *e.qq7q.jglated $30^{\circ}$ 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 angleopso c8/m50sb of o 85o0/bpssm c$57.3^{\circ}$. 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-aq9 f 0 xvy)rc++jdrz2analyzer combination. The transmission axes of the 29a)jcz ++v 0rqyfx rdpolarizer 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 ,*(r, qf iiwas d xlb:5mg/5nsv;lnj:is the Moon when its image reflected in calm water is completely polarizein ,l;sga i,5 d:* x(n/bw5s:lrfqjmvd?

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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 amp5+4c;6 b)ukt8m dus;q l2eux.s 7ncs s5azt n analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on th7ess4u8mzabq.2;p ds c;) l+nmtc6kt 5s5uuxe analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum allni1cfky7*8lpd.mbn/p :.. w-c v mtnd reflecting off a piece of glass of index of refraction 1.vimy lc :7 n-lw..btlnc. df/*1kpm8p48?

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