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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 principle89 e8gr 6nr +iqgty n6r7fxklv8ab; s(.
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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 is7c:1v sp -bxmo 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 attrisx q/fz4j/9 zxdch**cbuted 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 lightsr;dpkb6d 6-q3br ty t(,eba3 ru.tr.wh bp.. 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 abwj)10;q9v9eiv-e x l7 cnjuv;6dgd v medium 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 (wavelengt:y2uelijxcqc ;pq- ay9uf o 5n00v:6th = 590 nm), originally traveling in air, enters a piece of glass (index of refractionqlio:y u e:ufv jc 95apc6y0;2nxqt -0 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 ev ab*6tit 7n6wz*cx2(wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refz2x6*e7tciv*a n 6b twraction 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 as it passes the(mxph 4:)n8ryd ;7vfbd 8 uj1v tn1nqrough a narrow slit?q4 1b(nmh yujx:drd8v;f 7tev1pn8)n

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildings, whereas rydj aas+zr:3n1h .m1 light is not noticeably diffracted. Whz:r+s1r1mj aa3hn.y d y 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 wyv vb7i+o.ay2g b) u5dark bands when light passes through twu.w b5ov ybvg7y+i) 2ao 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 coherent if tl2.hu zd jwr g1u(b8s/hey

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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 ray dbr 6eex-4chodq;*f 3s striking a screen are in phase with e;xcre6d4o ed f-h*bq3ach 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 differente 1ld/c0kq :p:jq j/rt paths arriving at point P. If the maximum const /p0q/ldk1jjctr::e qructive 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 travel different paths arrf b8pv/l pen7,,-x0 fogrx)qt tjb.x 9y7vig7iving at point P. If the maximum destructive interference is to occur at point P, the two beams muso7tv ixglp.bxv n gjpq9 exf7)/b7 ,y8- 0,rtft

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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 bright spot in a doz/yuz iqwb9 ui4x )x 46luzc,0uble-slit experimxu u)zqxcyl9 46 4/0wi,biuzz ent, 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 on h/zejc )1m (hxeither side of the central bright spot in a double-slit experiment, lmh / )jz(he1cxight 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 sidw) ;2-7 dna nvcqbsi v+iqe-9qe of the central bright spot in a double-slit expnvvsad-enb) cqqw9i i27; -+ qeriment, 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 tcdpadu;zxw r, 0t- +be/-brv0he slits decreases, what happens to the distance between dc0ba ;-,-wtu+ / b0vzx edrprthe interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distansx *mr9mx s6mipk mb4,yz41y9ce between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is 69mz im,9sy 4mx*mrsy kx14bpcut 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 path snai)k 7p8t9*9 .b mptfvwp4t$P_1$ 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 experiment arrives a .r2j -hk ynx 5ul+;h*c-qdxqmt a point on the screen one-half wavelength behdn*h-huy j+. cx;k-m x5 lr2qqind 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 fringes in a doubn6q4n0 w5t wnlle-slit experiment if the separation of the slits is less than the wavelength on64t5q w nlw0nf 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 patjaztsm7aq qbt4g: .29tern using monochromatic lightj.b a74 s za2qt:gmq9t 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 whha81 4w/ z medub8hyf/ite light into different co8w//ah 4e uz8yd m1fhblors 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 allow. 5bjduvejytd8(5 .jsg 3 )jjqu4shm +s 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 sligh/m62zzn1st c jtly shorter 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 l7 u94e hz4cctiu lh(x8gueg3( onger 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 undergoes the greatesf2dfeqr :(40 ion;fwrt refraction when passing from air to glass?wi qn0dfor ;( ef:24rf

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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 smaw+gp gnje0.p l7y*z*/ffi n7y qx3-dlllest refraction when passing from air to glass?ln./7gelxf z3yw0q fgnpd7j-p * * y+i

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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 incixl/g1r2x o;jhm2p1t x(dwiu ; dent on a thick glass plate with parallel sides, at an angle bl;jpxtu h/2ig 1x;dxwo(r 2m1etween $0^{\circ}$ 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 sour9g:n4wc 3ttfsce. If she now holds up two fingers, with a very small gap b43c:9f w gsnttetween them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the wign0:dwm fl0 1ww(l 3cxj-t0 lsdth of the slit increases, what happens to the width of the central maximum on a screendmjt fl w3gllw0(x01 w-0:sc n?

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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 a*gec+bl5ja*d1e0my e/7 b yqond the other one haseqb/m jy7 +go b0*le5edy*1a c 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 sl)b79nvgq 0rqu it 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 thequq0rvb 7)g n9 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 re--v3obu7 73u z hubsljflection 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 ligmu. : .t(0uncz*bu rwkx3f-i lht waves can interfere constructively or destructively, depending on their phase difference. One consequenc.un l r 0uiz*m-.xkuwfc tb(:3e 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 a*s)n7ek( z/qd6m czcike5d q(o 9 fqz,ir boundary, therk e) 5qnz(kdfs6imc /7*e9qdz(, zqoc e 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 tba7zjn4tuwey sg)y-x:g l)):raveling in air, is reflected by a glass surface, t:gl s)4)zgb:e-ywa 7y)txj nu here is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. A/ k 1ro nkmu7plh4rpz9-byl/ 9s the film becomes very much thinner than the wavelength of /h /zkyp kll4-9u9o1b pmr7rn 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 minimx9s*gsr,8dkwn( b l1wum thickness of magnesium fluoride coating that must be applied wx(br, *ndg8 s1k9lw sto 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 glass plate and illuminated from above with m nu+ w+gwzt69konochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at thkn+wt6 zwg9 +ue 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 sunglabc e-7smw2 ,n*juyz0tsses can reduce glare from reflected surfaces? sm,u2betn wc*j yz07-

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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,i./3(w z6ijl5s f tviy the 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 p0f5 1c pna vx+bhs x(xyptx/,4olarized light in a dichroic material like a Polaroidhx+01 5b(xx4v /ta, y psfpnxc 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 ax l-(gmu 1bb;bk s4oc3dfln*0;f7y bqpes of two Polaroid films are perpendicular to each other, what is the percentage of the iu4k07bcnb ;llmo d*;gbybq(1fs3f -p 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 the surface +gy5 tds.d 2:( gmgrnmof 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 greatest) z)9ov wayf spq e3yqo6ibuc)63r+8 i 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 ex80r 6j uctfwa.hibited?

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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 (overhead) 5 -lo;p9 yxcwpthan it does toward the horizon. This occurs becausl95pp-;cw yxo e

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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 palgi6; d;omlal(q.+ vc sses into glass, which has an index of refraction of 1.50. dvl;(o mi;c ga.+l l6qWhat is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 f pv5:mg 8fjo6nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light i:6 pofgmv jf85nside 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 passes into glass, which ha 0+d53cosypqx s an index of refraction of 1.50. What is the spd0sq y+5 xo3pceed 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 va db)pia(ni 7yiiy *01scuum is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the index of refraction of the liquid.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is found to travecu9al)6. y*wggo+xlw np+ 5zfl 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 5* zhpy 1tdseqe3p a(au/d22k9 50 nm 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 s.fosl,sh d k0+r wpm:*lits, and +od wp .s,s m*lfk0r:hproduces a fifth 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 / a74*ldr7q9cg *b z9bgw 9okqjvuos. double-slit and the third order bright frid9wo/79v g4kr9*7*qo gz ujlqcs b .abnge is 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 tw5l6rs t( od )s:g)bmqxo slits is 0.050 mm and the distance from the sls)bqs 6gl dt:mo5 r)(xits 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 2.0qxnk+cv w10up(qm83a ngm29t mm, and two wavelengths, 750 nm and 900 nmqm8n0 uxp1+aqn vm3 2(kw 9tcg, 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. M ump2vmbu*p8-t bbg,* onochromatic light of wavelength 634 nm falls otm,p2*m-bb* uvb 8u gpn the slits. If there 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 inciden*v6ahyoti, aoj7+:,7vnztvm t on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order brv jnt* mvt,vhz:o7+ o,y6i 7aaight 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 and 700 nm, strikes apt ky*9y(l ;s71 eg 7fspxa3ox 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. Determine the angle b9kp( * 3eyxg7sa7ptys lo1x f;etween 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:eb7( a,nnvk48 u8zt u v(abqdh 480 nm) and red light (wavelength 670 nm) is incident on a thick pauu 8e4k 7abdn(8(:q,tnvb zviece 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 da)5s +oe+xv x pe8x4p::kygcwidth 0.20 mm. What is the angular width of the central diffrac :x+sp c xgx o)eey+a:vk84pd5tion 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 bnkuq4).qbk b uvmftui c/,:ivs07/ 3r 52sv qxy light of 550 nm wavelength. What is the angular separation between the first two minima on eithevsq m,sfu 0qn kvx/72/kbiub v:q).c354iut rr 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 6;oqeu,h)3w6mr1v ju(2dx ujb 87 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe inbw;ohuxm)r6ju (j uvde13 2 ,q the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slyso2lc*ttra4h- .7 tr it 0.20 mm wide and the diffraction pattern is produced on a scre tayttl-c.74r r *h2soen 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 0.300 mm. An o/erpoc(hf9t- (fm- s abserving screen is placed a(fpot /c-rmshf 9-e(2.00 m from 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 ;rbauv1*sl q+q+)ggc of width 0.300 mm. An observing;v*r)gs++ qgabc1 luq screen is placed 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 lines per cly4 tsj/9x kn(;blcd -entimeter, its second order maximum is at -xd9k(yl l/4s bjn;ct$62.4^{\circ}$. 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 cmg/d ;b( qiqsi.. The angle between the central maximum and the;q/diqi( .s bg 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 gr79glieuk); 3y,0vp pmmdc7t 9cr s0ikating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is se9rkdyg7k37i t ;v0)pmslc,emi9c0 p uen 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 m8wg gegc* 2;qoul.:xyaximum 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 passes8g.c*exwqg:o uy; l2g 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 )yhj* mr e.jz/ )/l.u7koyah3onewe2it. What is the angular separation between the second and the third orders on the same side of the central order when the .*7 .ue2/ooa)wjhzhye lrj )y/e3nmk 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 vr*0-)z.l lnv arxa* xout into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the vrz a.n )x* xalr-l0*vfirst 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 9avwt1 ,f mos8calibrate a grating. If the first-order maxim mfo9 tv18swa,um 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 nor8h5u)wx; e hm)t4 upfrg99qg omally on a grating. If the third-order maximum of the diffraction pat;9u 4h oggphxq8e )tfm5wr9)utern 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 wavelength 500 nm is incident normally on a grating;+km0(su glue3 -u f r9ufmk+p. If the third-order mufgml 03k( -m9fu+ueks r+p u;aximum 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 separated from another glass plate at one end by ah ke)p.mxj 5+)s ise3h strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light.xsshih5 +3ek mj) )pe 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. Wh jqj*+3cjf4albc2j7hat minimum thickness of this bubble a43 j7cjc+ qhf2l bj*jwill ensure maximum reflectance 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 e c8sy3).qj7nf d jg:ufilm ( n = 1.33). What is the minimum thickness of juecy fj g3d.sn8:) 7qfilm that will 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 oarnu(+w, wajbwn/4+qs 5wkhj od 80 j69pgmf6 f a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengt4j dqspg fwn66j, nuh58w9/a(rjamk w+wob 0+h 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized liw b*sj1+4zoyqght and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred di w+sz4oy bj*q1rection 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 ,/f+k*xgascl bq4uy ep 7-ic0 direction 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 unpolarizex4ql5ynb1nks o7 j o3 *-a*olod light in air strikes a flat piece of glass at an angle of *b o-*y1o olqn53losak 4xnj7$57.3^{\circ}$. 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. The tranh0uruek8k mj6)3s m3msmission axes )80 h 3uum3jkemrkm6s 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 refle2974 icdxbfh ;ed2 g3mw s+jk 5xq;nmncted in calm water is completely polar9sm;d42+5c;xmf dqn b7hi g wn2jekx3ized?

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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 analyz2nvao fy qohzupwhv12/b 1266er. In this process, t6qh p/n12bo2 u1af6 zhv2vyowhe 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 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 l0n-gywvu) sk1e(qs1v ight traveling in vacuum and reflecting off a piece of glass qw) kys 1g0(v-1vsnue of index of refraction 1.48?

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