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习题练习:Physics Unit24: Wave Nature of Light



 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 princhb 9k5yb *gy6aiple.
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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 ijru*+ *av63jy ls/-ip d f+1m.iztbvws 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 p5p3u) ilsr ((*j0xnkyt 2oznp .6h-kb ut 0tbis 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 o)8zfxf 3q ev;q9o;pdl f light 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 optical densiszv1vd*p9q1ja7xh a7 :qg3dif7 f tp0ty,

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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, en0:5hpf ovlv0wters a piece of glass (index of refraction 1.50), its: v0l5hfp0wvo 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 inxj5 i 0n)0;mkzug+ ywf air, enters a piece of glass (im +kz5)0nfixgwj0;u yndex 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 liz0k aq2-(tr t/rf easi hmomu2;2*he3 ght spreading as it passes through a narrow s uto2m0a ez-hr2it ask*2r/f (m3;he qlit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffry95zf2a;i 3 x3xiuhq qacted by large objects such as buildings, whereas light is not noticeably diffraciq93 u;2xy5hqfai3 z xted. 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 dark ba5t vmnnzr37mw13gfph3 g3 p o8nds when light passes gvpf n 7not333rg 8pm z3h1w5mthrough 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 sajda +bi18 dgx j. xceag3j+2;gid 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 sa3/fi uxmdg00 yy that two light rays striking a screen are in phase with fmdgi0 0/3xuy each other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P.s y0u:v5wsqf2pu, a5y If the maximum conq2,wyv ps55:fy 0uuasstructive interference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light t +y c4bhlgjti )4ou;9cravel different paths arriving at point P. If the maximum destructive interference is to occ9gj cuhy); cto4bi4l+ur 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 of the central brigffjl2 0a:x*a9xf- /s ml cw9lbht spot in a double-slit experiment, light from each*sxf9:0jw lx 2 alcbm- lf/a9f 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 on either side of the central bright spot in a /khd*hnle vq+:f 32b :w5vljlj 1gv8edouble-slit experiment, light from each opening arriv+vg f/: ebnjlhl5evjd lw8v* h32:k1qes

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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 bright spot in a double-slit0k6,0w. zv to 2t)kquv1bcdea experiment, light.0kv uo2b10 qwketc6a,tv z)d 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 sonwbiw 2 , b8- gmbhmt9 xd78tn5tv8,klit experiment, if the separation between the slits decreases, what happens to the distance between the interfhnwgw,iv dbmbtt 2tk-x9, o 85b8n8m7 erence 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 experimen2qq/;tk6sw tdt, 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 sepa6 /s2kqqwtt;dration 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 li r v,z*5kpzew-ght 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 experip21wmxj sur 64ment arrives at a point on the screen one-half wavelength bewmjpr6 4s1u2 xhind 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 fringedm;l3m 7,xkq ts in a double-slit experiment if the separation of the slits is less t ;37m, qkdlmxthan 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 patterozi1:d 1uj(q3t c1vfmn using monochromatic light isim1vz(3:j1d ocuq1tf

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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 pr ,kycp;rr 0n9*c+3jso 0llqkqvh c1w- ism separates white light into different corq p-+wsrv;h , 03l *90n1qccl yjcokklors 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 allowsen-ig3 6j k)un 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 isqyti6 vmp.nw9; z7z*vy0 8s nr called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is call 3 ws4+.yk3kfnldo2 hmed

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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 klh9k/ur9w;j: o lh(g-al rb :sy;z -xrefraction when passing from air to glasraxz/s:okw9lkr h- uj;(bl:g ;-9yhl s?

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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 air t1613b h1msz1ce b;(a jspv vbfo glaszhjv31sbf b1e1 m(b6v s;p ca1s?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate wgc(ar-nyc . (w4eb69apcp, k rith parallel sides, at an angle bet k4.r 9ga6ancy,pc b-( wec(prween $0^{\circ}$ 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 ewv99 xgk;u,alekc *5jqrkc)2z wr98now holds up two fingers, with a very small gap between them, and looks at the light source, she,w9xzqcrj5 ;ekk2u) w velack98g r9* 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 widt uk g+5 *pjdt/dz, fh8i4re:pmh of the slit increases, what happens to the width zf 5 i4udjtrp8pmg +,:he/k* dof the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm m pu-klm0;qp. and the other one hask pl;puq-m 0m. 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 separation, 3v8 .26cz;q ohsbj*/ dtes6fo kj gnm2the only difference being that one grating has 3 slits and the other 4 slits. If both gratingt8fnk oej qs sbg m/226;j* hc.3dvzo6s 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 slica6xc) 5qcqr us( *zbt z8q96klk 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 in5wgvgw, o6ny m8gv1 r: bctg)(terfere constructively or destructively, depending on their phase difference. One consequence of this phenonyo8b,w6:v w)1g vgtgg5( rmcmenon 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 + paaj/bjtxq 0 ) a*na/z*g.hnsu:)xq glass, strikes an air boundary, there.njs+xn0a * jq* qatba:gh)x/pa /)uz 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 traveling in air, is reflected btxhum:0vv/ q)d3n fcq, q+bq1y a glass surface, there incqqfxv0m3: +d1 ,h )/b vtqqus

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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. n 0dk.c ,rz(ihahi1q5 As the film becomes very much thinner than the wrz.aink0i, cdh(q5 1havelength 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 massu ;z (+ia4nognesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applieds;zsi(on+u4a to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat ggrgmh8utxl/umc:0 z(k. bx c6q sz/4.lass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark a(r4x./ st 8u. mgb hux:zgq6lk0/m czcre 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 certain sunglassew3 baffi; y,6 szfv9q7m;7w lqs can reduce glare from reflected surfacesi9;bv3af ml; fwwys6qf7q z7,?

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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 ia: -jjbg:og7sq:i.w 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 light in a dichroic materia+oc1e ihj -n kp*)ua8ql like a Polaroid jq8h )1cp+ ne* auok-ifilm?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each r wfu b9r3*tpmv;6kms nl/ 2p-other, what is t2sb3wr9 ;p/-n*lmu6fk ptrm vhe 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 surfap49nj-z is /ohq 6/imhce 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 sunlq3qal-y1 i/j tight is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction NOT exhibitz z wwq81b wr +xx)x ;h5ttk3r6r67owmed?

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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 appeaon0zd1j7rs7jpzp 4my ;r8l3 drs to be more blue toward the zenith (overhead) than it does toward the horsyr8p7l3zj4jnorzd1 m d ;07pizon. 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 int4tqti-n10 (*-xon oh earhn/xo glass, which has an index of refraction of 1.50. What is the wavelength of the light in the go-/(i *qhx ona01ten4x hr-t nlass?

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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 vw)rndx ;5a,svacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency x, dr;nav)s5wof 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 wavelenga7:n,vg0q mq5l0ktrz th of 600 nm in a vacuum. It passes into glass, which has an index of refraction of qatl0g:5k0rnv7q ,zm 1.50. What 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 found to travel atd2jbl5qgvo r+- ) )yq6,4h+dp bwy gjo $1.96 \times 10^8 \; m/s$ 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 travngi wosgc 2ki3)m g,/*el 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 aidwi5qhf8ggvq, oi x::2dn31v r 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 the 7p9 uh,x6/t+cpgvl r ne;6imfse slits, and produces a fifth order interfe+h6tu ipp,xlr7f gv/; 9n cme6rence 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 fallp5 gha:eu3(yc s on a double-slit and the third order bright fringe p a :cyue35(hgis seen 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 twu ,1vv1 )sl:f)ue tyyqo slits is 01sf )luyqye t:1u)vv,.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two wavelength1exj4b bz6/ 8lkif(etb 4go5qs, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance/ib ze8f tkjb4g6(xl5 1bqoe 4 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 ;(qyw,bs te (ffh 2)nzz,:rybnm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fri2t;nr (, (y y ,fbq:bszz)ehfwnges?

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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 slitx n92,t4j fgw8 ss+rnc5pnd24 a,i.ap agjn/u setup that has a slit separation of 30.0 mm. The resultant bright fringe separation isa9x4fdpig2snn., w 8p/n +acs ur ,5n4aj 2jtg 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 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 containio 7hs7ks1 ldk1ng 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 480k7l1d 1o7 shsk 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 (mb 7t9at1, rxfwavelength 480 nm) and red light (wavelength 670 nm) is incident on a t179ab m,ftrx 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 /ig0x k2j)nhe.20 mm. What is the angular width of the central hj)in2 0k/gxe 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,5lxdr3:j ynj/)ty g0r 4fzpd ;vmm36g is illuminated by light of 550 nm wavelength. What is5fzgm0trpg/4ym 3n lrvx ;:dj3d jy)6 the 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 rzo:afm8+l4g2zv mm :i.xi2t single slit 0.75 mm wide. At what distance from the sl z r :ilmt2o4 z2+xvfmgi.m8a:it should a screen be placed if the second 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 itrw40wize nh505:c.is ;s i jyncident on a slit 0.20 mm wide and the diffraction pattern iihi t .jcy5w:0w;snri50 zse4s produced 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 incident on a slit of width 0.300g sy0;vh3z* vo eo.zyrbpxz6kc 8 3h8( mm. An observing screen is placed 2.00 m from the slit. Find the posyz zz6o; y80soe8.hcb3gxvvpr 3h*(k ition 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 xos,gs;w8m(t4 sj9uw580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from thwj;s89 w4x,s(ogus tme 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 graa,hmbt0 v*8dg ;ub oh,i .sss1ting with 7000 lines per centimeter, its second order maximum is at h, dv1.giat*h o ;su0b8s,smb $62.4^{\circ}$. 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 centra df m80rcfjt28tmmi7 .l maximum and the fourth order m7td 8ri0c f8 .mfm2tjmaximum 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 isz 49 ,pju.ccmg incident on a grating that is 75 mm wide and ruled with 50,000 lin cju9gp4.,zm ces. 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 experiment2a -qyhqqz;x/ , light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it pa2- q/h;qzxayq sses 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 6d q*vi9)jdmxn,a9 j 0p000 lines per centimeter ruled on it. What is the angular separation between the second id9 ,xap v9jmnq)j0d*and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a g5y 3q q*0ylmobrating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first orde5qbom*3 y yl0qr?

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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 usawao+bbx/ e b+ x4h1:ded to calibrate a grating. If the first-order maximum occurs ohdxawx 1b: a4 /+bbe+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 noe,9 0 z abr*9safbd,ikgk 7ur:rmally on a grating. If the third-order maximum of the diffraction pak09b ir*: rs9dk7abg,ue faz,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 wavelengtm( 05 j: y67rg3*wk0vvdmcl i*ssvh cuh 500 nm is incident normally on a grating. If the third-order maximum of the diffra w3 sjry*mvu5lvc(mv7sd 0 06:kg* hicction 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 separatnjpa370h hqt -ed 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 ba0paj t73qh n-hnds 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 thickness ofrjbrlrhra3 67+vg ok*bx t;7 ; this bubble will ensure maximum reflectan;rl6 r3vtk*h 7xo;jrb a+r bg7ce of 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 500 nm illuminates a soap film ( n = 1.33). What ia.ydn n/88cx,hz-qat5zh1 uts the minimum thickness of film that will give an i8 q -ay,58thaud/x ctzh nn.1znterference 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 fi 9ns( q ,wc.jeq/uh8umlm coating (n = 1.30) on a glass uquh w,c9/m(n8.sqe j 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 unpolarlxj5w(d e gnp3dh /5emw8d9yq2m7e m 4ized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the led5q (wgmwp78m5xden2y hdj3 me/49 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 rotatevp rc f.893jq7lh*ch vd $30^{\circ}$ 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 ant u 7jt.g-eif3+or0 k .j4bcvk angle of u.ftk-0v j +e ko.gtc bi37rj4$57.3^{\circ}$. 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 comb-5u9up pk1wz jhp*o2pz7i ;apination. The transmission axesuuop9w k;zja p pp25p-i7*z1h 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 Mo3 xj lfbyz2x8rzj/1w2hj-1xqon when its image reflected in calm water is completely polar xz-r12jf3xy8z2jh/wq j lbx1ized?

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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.w b7xzi/* 7gxuj o+.tz In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle buibzw 7t*oxx7 j.+zg/etween 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 and reflc2 vsfdiyf68 e zk0v()ecting off a piece of 8vvfeyz6fdi)(0ks 2 cglass of index of refraction 1.48?

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