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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 u 6i) khk;n:u;) hgd*b4kwbehjr7 fu,iple.
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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 statement?ub /,(yh :idpv

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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-zsek gl 1x)opp3/d4 lted to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is dqfxy.t )e 3b*k+,rgwattributed 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 d;kg*r */.3 dnfh4nm wy. wvxrbensity,

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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 trpw :6p9x12y7vzg f):zkllgn es*sv3z aveling in air, enters a piece of glass (index of r f) lsvkeg9n*zxg p z:7p:vz6s 2l1wy3efraction 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 travelingtex2b;0s9 kny in air, enters a piece of glass (index of refraction 1.t09yk en2;bsx50), 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 forn2zr )jf,y1ywvsy5n 5 light spreading as it passes through a narrow s5j znfryv21w5),snyylit?

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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 buil4djdeey) xk2n: y* 1 ri7iw9bcdings, whereas light is notd ki cxw) dr4iny7*ebj:e21y 9 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 responsi*ff cuz;uxf ;z8j6vc,dfz1; fzbcdf9 zf7 a+8ble for alternating light and dark bands when light passes through two f zjz;u9 6z,zd cf a vcfb8xf;f8f17*c uz+;fdor 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 theydu piycg03,2v3*,b ygs(m)ft8 r )w rgoj(umm

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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 strikiihlv u)dqptw 97 4yzlde20:k.ye9r1gja38 eing a screen are in phase with each othdl1qpt9 2v 8 ri yuh ky l73ji4ae:)w.90egdezer?

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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 differen-jtcg 5wtel.sw8;s;d7x 0ob it paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beacs;-.x l w5gjd8bis07ottew ;ms 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 arriving at point P. Iflp8pjxub .(qpp+ 6pa) the maximum destructive interferencex()bpp+q6 j 8a.lu ppp is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of thetb4fu* mg 1sfpve 69d4 central bright spot in a double-slit experiment, light f4 *b 1uvd4f9 mt6gfesprom 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 either side of the central bright spot in a double .2.wbqfudv;idmh .3q -slit experiment,qvdhd. 2.qwiuf m; 3.b 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 side of the central brixcnq t k(fwb71gc/da)5 xo/3lvr3 g(hght spot in a double-slit experimenq/drc()7g3f oa h(x kvgb/ t5 xw13clnt, 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, ijexwqe2n s78 6 )u6owgf the separation between the slits decreases, what happens to the distance between the interference fringes87e6w6ejxo )qws gnu2?

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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 obserzv-x7w;jls(+ )dgxb8hn4 n sf ved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima s bgsdh8;wnznv j( x47)x-+flwhen the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light i3-xtx hlk513x -gdmh 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 experi m32gll17ocfvf(2ippment arrives at a point on the screen one-half wavelength behind the wave from l gp2l73ov2m(cp1if f 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 /.n *fgyw45(rvzao-auq oxp: fringes in a double-slit experiment if the separation of the slits is less than the wavu(x:p *z4of/w5 qar-onag y.v elength 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 inter-0wqg k -1q(it aqfzs)ference pattern using monochromat fq(q) qa-ks1tw0izg-ic light 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 snflc9ufh 15ft x+nrj./lfb7vk;i8 / explains why a prism separates white light into different colors jiunxk81 f flt7rc/. s+b9ffhv; n/5 lis

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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 rainboeo0 onk-z7hd abl)3 9yw 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 e )zmub5m-4s6 qno)ta400 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 sligvz8;j3b*gph9t- v dtj htly 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 underg .; s)kplhn gc2fhydnsp59 a:0oes the greatest refraction when passing from air to gl : ) 9df 0sschn25;ypkp.aghnlass?

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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 small*os*ku 2ssy ,ppb:dqsb /6vcu0, d -eyest refraction when passing from air to gla6ducp2y b0s vb,*:*-o ksseuyd,q/s pss?

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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 with parallel sides,39 ha 7 lllbz) 2vuzl:ly)p;ift0xj 6k at an angle betweel) 6k7z3 i2 yhla;l90vljt z)uxblp:fn $0^{\circ}$ 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 l0 eu*rucc -)up o/-mu d/m,+eobkmqv/ight source. If she now holds up two fingers, with a very small gap between them, and l*qk) ee--oouc v/,/rm+c u0 p bmuumd/ooks 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 width of the slit increases,pi., ioiii.rq r/bf*z(f a*g2 what happens to the width of t,f/airip*(gz biqoi2 i f..*rhe 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; .hwdvddz(9 8;dx) dzp-rmzmsv ke/7+ one has 4000 lines per cm and the other one has 6000 lines per cm. Make a s); z z em7s+pdv(dx-/8vd d9rkdmz. whtatement 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 /h(25nxqcn954 w ;zvtawh aszsame 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 separati9 2t4 zq(avxac/hn wzns;h5w5on 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 ff j) g6b+yrs)km2v0ofs96z o slick 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 conxe7 1 yt-j(w qqo-ewb*structively or destructively, depending on their phqbeo-7x j1 twy -q(ew*ase 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 boundary, the0y j*x-;porosca bf:5rep c5bxor o:af-;y*0sj 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, whi66in6-lod-wibu /4p raxg,- eka lj+ 9qx1zdz ch is traveling in air, is reflected by a glass surface, theqb+gl- 9uowxiai1 -j/zxdn,6ark6 el64pz d- re 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. As the film becomes cu0kz*lqj8a+o0j* hoq( pel9 very much thinner than the w0c(u*o 0je*o8 aplhqz j q+9klavelength 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 fluori u6/(lipm1/np bsiu43d6b m amde, what is the minimum thickness of magnesium fluoride cbu mii6n //6a4p 1p3l mdsumb(oating 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 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 illuminatei( .acuttd5 rr-*rxx2 d from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of 2ti- xarur r.*5c(dxt 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 thsvc713yb:y: z7mc w:w4 d x+ev/zfqj pe fact that certain sunglasses can reduce glare from31v qc7 cj:mxsv+dz:fwyp7:w4 yeb z/ reflected surfaces?

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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 ptr80 fl-)wmln5c o q;5q5nfa iolarization 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 i2hnp ro(;f0 kobtain polarized light in a dichroic material like a Polarohi k(fpr ;n2o0id 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 axes of two Polaroid films ao )+bi3c w3lxva4j e*ore perpendicular to each other, what is the percentage of the incident light wh43eo+ wb3 xv*iljoa) cich 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 surf :t6e6 bojr;l + p5rn1mq3kun9ydgjk, ace 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 i -m h5m 2f /zg7ay0cy(utuat-ds 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 :lf fseg+hc3(c9nk0f z 5i4daghcy-( diffraction 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 be more blue toward the zenith (o0ch 8ej4 xc,drverhead) than ie jh408rc,xc dt does 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. It passes inr8wgrkx -. 11typbic/to glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glassgpy.trc 8ri/kw b11-x?

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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 glass, which has an l;,0x.3 4mx dpqqyoy kindex of refraction of 1.50. What is the frequency of t 3y xd0.q, mp4ql;koyxhe 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 passes i+yh avcdc04+3obh/pey*b 4v a nto glass, which has an index of refra4v3ey+0yp baoda *cc4/hv +hbction of 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 v83s ;t*9icto eky8v:fz3 jdgh3ofc g75 cloj* acuum 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 da,- w;. qluyntravel 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 air is found(hj kbv1(x iiwsxb)rkwi2 ru/t8hmu0tr9642 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 96 p tvhye/:(*ca9mkniz/q piv;lf 1a apart. Monochromatic light falls on these slits, and produces a fifth order interference/a9v9(:ihaznvp16 /e l kpmftyi*c; q fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the third order bright d4o5 7ox9)vz+og)z.fhhzs xa fringe is seen at azzao.vd h+7g)xh x) oo 594zfsn 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 yrg7 /0q-risx between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the f yqx0 r7i/s-rgirst-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 t 8o,.c -qx/ a6gdjffauwo wavelengths, 750 nm and 900 nm, illuminate the slitq/.cjxdag 8afo,-f u6 s. 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 l:09spn+j0 rga+a;yuti1x fbnm falls on the slits. If there is a screen 6.0 m s+yfbr nuilg x:+0t09a ;1ajpaway, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setup that hv7hn10i (kedf lu)2xgas 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 brige1nkv iguh0 )x7( dl2fht 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, 487met*-wz rcq 10 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. Tmrczqe1*-7w 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 3*gmp u5tzypoa -7;bq(waveltou3z y*m7-aq5;gpb p ength 670 nm) is incident 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 the angultc:f4ki5vs 3w ar width of the ce5 3kw4csfvti :ntral 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 0n6 yjf+j05x4 sf e6xjnp,4eba.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on6sjef jabnxey,0 4 6njp4+5f x 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 07vz2w .x: agzd.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction 2dazz:wv7.gx 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 azn9)w 79., prxvzei cf slit 0.20 mm wide and the diffraction pattern is produced on a screen fnz e.i zr7,9cv)x9p wthat 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 7ttfy zon vtq j67:,7 pq+e9ty 1-tdtuslit of width 0.300 mm. An observing screen is placed 2.00 m from the slit.+tzn e 9f1v 7uotty -:,7d tyqtjqtp67 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 ak01ql/)o;nz:zm hw lobserving screen is placed 2.00 m from the slit. F) 1kzznol/ah;wm0: lqind 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 centimeaz 3+w9 (z/c e.j doenj5nzcd/ter, its second order maximum is (j ec /.dajd+9 cw/ozzz nn5e3at $62.4^{\circ}$. 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 vl4p0j duu)i 9j e1oy,between the central maximum and the fourth order maximu 4eiylu9,0j j1)u opvdm 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 wide and ruled with 59whr7id-+ z hl,fhv8l0,000 lines. The second-order max-dl l8vf, hhi hr79z+wimum 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 f3w9;taz c+ arlirst-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 centw+lt;c39ra z aral 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 line ;jo5e+w/no7 xl9g6nh8p c bj dkb5 kx)8mupu9s per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the gra7mlpop8d xj)wengk5x 89u6b c+/h;u n5j9okbting 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 grating. If the gr i 6)q:henaf7hating has 2000 lines :a)6n q 7ehhfiper centimeter, 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 calib o*(q(lrfa 3 7ysxrpt-rate a grating. If the first-order maximum occurs atxof((ya* q s -lt7rrp3 $20.5^{\circ}$, 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 ianjj) ym ,8ow(s incident normally on a grating. If the third-order maximum of the diffraction pattern is obseow)8ma,yj(j nrved 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 obu 3.xx*yqk tc7p/ 77sjaaon1 n a grating. If the third-order maximum of .7*n kx oxq j7a/us7a1tcbyp3the 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 anothzz(u,bj59qf der glass plate at one end by a strand of someone's 9dbq ,zfu(5zj hair (diameter 0.010 mm). How 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 o )7uxs) j)6dcdq,gnud f refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incidenjsgu,)q n) u )7dcx6ddt 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). tko qz6atx;zvep:7s sn+ ;+5iWhat is the minimum thickness of film that will give an interference when the light is incident t ;vst: ep6ikz+xs 7z+ nqo5;anormally 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 on:;fxz- t9fmnonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengf9o-t;f :xznmth 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 aaop v)*xb/v2x, r+i mq5gmk4vgnt:w - beam of unpolarized light and the intensity of tm )xpmg av o/-b+w,kv vgqx5:2*4ritn he 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 rotatedg(ql+ )s s7lnc $30^{\circ}$ 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 aby7/ g0 g-w sy(egl4wzir strikes a flat piece of glass at an angle of 4s(g zwgyw/yge-l 70b $57.3^{\circ}$. 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 passedxsw oh*5 ku 5v 6*(vospnzds-8 through a polarizer-analyzer combination. The transmix sv8so6d h w5o*n*k-u(vpzs5ssion 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 re;vgp;1id (z6 njgt7cu flected in calm water is com dn7gtzv u;i6gp (c1;jpletely 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 passa t+; +zg)eoz 3rs9hzjes through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% ofgze z39ats r)zh++jo; 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 light travelin1jx3fy3pbysx t*+ fz6e-w 0tcg in vacuum and reflecting off a piece of glass of index of refraction 1.sfy16-zptx y0*c3t+3j xfw be48?

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