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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 principlxyn)rln8*9qyme 2- e);x2x siq rkx-qe.
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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 hoi7cb te.lp w -8p g209aijcq6l 5:eoa 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 liaz ob2: bt+r0dght is 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 liaz ve; ;n7agm(ght 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 densi m/7t6niz m1 t.vgyh2ity,

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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,jl.) r0nxcn c; enters a jx0.nnc) rl;cpiece of glass (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590x cnhy9:gxp;s uomb/u+fu/u*b((io1 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), itug (un*(p m/i:bxcof ;b/ x1o yh9+uuss 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 v(1x- l*fvpdklight spreading as it passes through a narrow slit? l-p*d x1fkv(v

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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 larg ,lg - jg4t(my;rxm. x,:ety. gfde2nye objects such as buildings, whereas light is not ng.2tryme- y:d lge, n.j x;ftxgmy(4, oticeably 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 responsie - psjchn3p/z3z-jh)ble for alternating light and dark bands when light passes through two or mpj-3ph /h )sez3-z njcore 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 corm2 gv56b,g 3na )tqhvherent 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 :;oy) v3: g c8cqrvdxjin phase with each jc;vrd):o8q: 3gc y vxother?

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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 tra hys( l0s:w)( zwa)mssvel different paths arriving at point P. If the maximum constructive y(w s) s:l( a)w0hzssminterference 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 tz8vosv,m+1qibm) 4 lvravel different paths arriving at point P. If the maximum destructive interference is to ocsb zvov,q4li1mv m+) 8cur 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 brighrn dmt6 :tzj03rw*mb;1w mp4jt spot in a double-slit experiment, light0j1:r3t;rbz6 mmdtw pwmj *n4 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 either side ou)czm8/ycd mn 6fy.ej u; 8jb*f the central bright spot in a double-slit experiment,*6 mybjz fye/. )ud n8cjm8cu; 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 bright spot in a2nl+)u8tu 4 cfz thgv) double-slit experiment, l)zlv2)h u4+gf c8tunt ight 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 the slits d0 /moq4-nxou 2f0pxg+ vvn g3pecreases, what happens to the distanpmfxno+q gxvg/2 4 vp- 0on30uce 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 experiment, it is observed tp;gya c , vvxl/krck8,v*h9u: hat the distance between adjacent maxima on a remothyk,lk;avrv*c:v cg9 x,/u p 8e screen is 1.0 cm. 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 liga xl 4u: ds1-g5i i/jh-edkr(yk*c0hfht 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 experiment arrixpq g3 dvnxe6l96 dg06ves at a point on the screen one-hax0gpd6v x3 n6qge6dl 9lf wavelength behind 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 double-sl p g 7i)ad*l4 keu0nsdu;fud,:it experiment n 4s)ged,0:a *u;7fip udlkud if the separation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima i*c7w4 (rhocfnn a double-slit interference pattern using monoc c4h(owr7n*fchromatic 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 explains why a prism separates whi. pvy kvek*l+02zb96xy7m 5ypqp8kkn te light into different colors iskk6b +vlpzy n25y 8yk97*xk.0mpqvpe

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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 rainbow t f0t9eo.r k+,yzcy)fd o 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 shorteft p8vyk(9 *nx(b q0l** ett;kl 9odasr 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 longer thaxh4x 2 jkb*3vrn 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 refracam 3: b6 l3sp;zpy,cection when passing from air to s3; epa:cp,mb6lc3z yglass?

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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 refr 5uueuej4ef-0 action when passing from air to ee fu-uju05e 4glass?

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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 3y ng:.nhd3 uw8y v o9e,o7ygois incident on a thick glass plate with parallel sides, at3yn9goyw hdvy7:oo u 8en.,3g an angle 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 lig4jv)j)36mjhwbfd/5 mew*g ji v4js k4ht source. If she now holds up two fingers, with a very smallb3*i4 wh)mjsjfm/ j45 jdkew4jvv g6) gap between 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 width of, z(6vq n.l dihafrv+) the slit increases, what ha v+hf,6zaq.rv)idn (lppens to the width of 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 and the othd1bs l)r z,ulz6/c.lnx7 n yw8er one has 6000 lines per cm. Make a statement comparing the dispersion of the two7 b cnl.y,) 61zllrsx/8uzwnd 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, the:* c/zy fopsyb8 8w9qv only difference being that one grating has 3 slits and the other 4 slits. vpbqf * y:98yozc/ w8s If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are ca d,gik0ac9p. y+si +cos:qs-cused 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 i-79/ib , egdu6kmspgw nterfere constructively or destructively, depending on their phase difference. One consequence of this phenomenon is 6/ed 7u-kgwb9,gpsim

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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,qoij mps-ta) 1 1*ub:y)p n*rf which is traveling in glass, strikes an air boundary, theresfu) ba:tj)q*ip -1*nor ymp1 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 reo*tm 4gkgx-s 8hg7ry; flected by a glass surface, tgm7 y sgx4orgt*8hk;-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. As the fq67jrr1u lnyevo j /2,ilm becomes very much thinner tha 26e uj1jyvq/lnr,o7r n the wavelength of blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelength of light in magnesium fluoride, what is t;x o 7wzhv)r+y eesti+bj1*3uhe 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 thbo1uyisv; +wej)*ht 3r7e+z xat 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 zhg7gss k9o ,9sdp8wqae/d /xm9 *j1p 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 the lens where the lens and the glwajs mo /9hs7e 9kz,q8d pg/xdsgp*1 9ass 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 thatla.+cw2t j4lj certain sunglasses can reduce glare from reflecta4lj .2cjt +lwed 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 pols) telfjrti4cuv8)x;u- 9q :swi 9z/yarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material lik3r 03 .twy)6olewdzjnh r*+rfe a Polaroierod63r t.nr* flj0yww)zh+3d 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 avcucvr. kbt6o1tq)x34)z-.j0mh ryz) - tdvpxes of two Polaroid films are perpendicular to each other, what is the percentage of the incident light -vck1t u.. qthyp)rzv-db6) c) ov0t4 mj xz3rwhich 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 lbniq1)lec;fyv-0 sx :/-*y wsim* jtof 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 sunl-0y9jl1 kwtxo h(lg.u1a1mf g ight 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 diffract7.egak r6:iknl(sh.l; oti c /ion 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 obi j1;i;v8jz be more blue toward the zenith (overhead) than81oi;jjziv b ; it 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 wt d.xwa(*t z gm)i h1nwr2q*7600 nm in a vacuum. It passes into glass, which has an index of rewaqm1w (w)i n t z*d2h7xgr.*tfraction of 1.50. What 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 nm in a vacuum. jbu37 aq)8eelg88g cez f8g3n It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light8 q)j gcl88338u7ef eagz bgen 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 passtn)c5pga.;un1 e 8zp7,knv;yrk. eames into glass, which has an index of refraction of 1.50. What is the speed of the light inan)kkc8 eyea zng;v5. ;r1.t7, nu pmp 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 injd /q1urg8jdv7k* 7di vacuum 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 g6oy+q adhg7/y 3;w vh550 nm in air is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm ing1mf nr.ox40u5.e/ey i3g o us 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 lht*i,o l* .uo- j2xjsjight falls on these slits, and produces a fifth order interference fringe ats,h-jo*lj *x2j tiou. 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 fal4igkry - gjo8 bit ovq:f chy2 *j4quw:5d-)0tls on a double-slit and the third order bright fringe if:i ut -qvr2: h-y)g0jkw8 oj54 i4cgd ot*qybs 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 experime, /q+;ej aqyc:iut5.s ,n aadwnt, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacae,q y: u+wdi;.j /t5 qasnca,ing 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 separatio w(3p6qvk g;hen 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 what distance from the central maximum on the screen will a bright e;6 pw3gq( khvfringe 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 630 rm 1w3w,7kv.1* osvsdpp2c xep,m iy4 nm falls on the slits. If there is a screen 6.0 m away, xm 3vwp2c0id1 kr1m p e*vw,sp.syo7,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 hasm r6 -p eleo69npg lt9ovsw+1avm337w a slit separ3+lto1wpe7v9am r9g3se-6powl 6mv n ation 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 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 w+lp gb ki8-tbsr 153ttavelengths, 480 nm and 700 nm, strikes a plain p5t3ibtkpg - rtb18s l+iece 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 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) -hlitmg. o.* sand red light (wavelength 670 nm) islsm-ti gh*o.. 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 s 8 lp(ps/8nii7f*rej 2wu nsi/ingle slit of width 0.20 mm. What is the angular width of the central diffraction peaf8j (n2 upriii/78 le spsnw*/k?

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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 by light of 5mteacb(sw 94g pv:f 1to t.g2250 nm wavelength. What is the angular separatiotp22 .mgo1ctbs g: 9a(4vw tfen 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 3lj )avf8) asr+9g dtuaj:up*slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in th3dau)fuj: g)+pr*jva ta l89s e 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 slisgoz 1:b: f*,1bg- jqkpxzw2q0.jbszt 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the wi.x,1z1gqk:2o0wqz- j s:g*bfp s zbbjdth 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 slidokm zf+0+5oft of width 0.300 mm. An observing screen is place+dmfok50 o+ fzd 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 incibdg*irwi ,rzh,,85q4 o qqfe;dent on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maximuz dh,qqi,e5b 4 rgo*wifqr, 8;m.

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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 secondgt0u)b5+ 9eelh 1pt gv order maximum is at 9 e1 geb+gtu0pl5)t vh$62.4^{\circ}$. 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 ang;7hbfqts e6pqe+ q )y6d;ur f(le between the central maximum and the fouqbeup )(fd 67h6fq e;t;ysr q+rth 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 p73a xg*0 2k toyg;yszgrating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is se02x p;y g o3ta*7zgsyken 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 experimentz /jf+z*zm ,zf((gchq, 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 passes through the same diffraction grating. What is the wavelength of the light from the second sourcefq/czz* (f+j zzm ,g(h?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. What ipk8)sc(h ma;f s 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 light of wavele)s8m ;k fa(phcngth 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 zc p3cbghsw9n+s9 e4(grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear +(z9 g3snwch 94sepcbin 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 u9/zg .q*jx e j*pmz;y uj-ujy(sed to calibrate a grating. If the first-order maximzp(j9 ezjqgyuj. /x*;*jumy-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 normallwkqn0 o1 to9u3y on a grating. If the third-order tqo9ku ow1 3n0maximum 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 wav jyzv +2o00mtqelength 500 nm is incident normally on a grating. If the third-order maximum of the diffractioj tz0 0yvqm2o+n 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 gl;zlnfy96 yg.n ass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with lightgyl. ynfz69;n 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 06m9kh n0,rnnr8xlws f refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflks n w8rnxhl0rn06,m 9ectance 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 v e,w.wd v9wlmw/o:2 c( n = 1.33). What is the minimum thickness of film that will give an interf cml/: .vwdve2ww,o9werence 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 7uyq51yx 19xfoqjme 5 nonreflecting film coating (n = 1.30) on a glam7eyu115fjy 9oxq q x5ss 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 p8b)9 ;/w 2lgwof jaio(ysbna /laced in a beam of unpolarized light and the intensity of th2ois lb 8)//fj bywn w;9aoag(e 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 rota h+qtvwf4nl f+lm */-(g8*c qkfh 9rrmted $30^{\circ}$ 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 flat0quiyf ,bbszup;6a u706xgs igmi::+ piece of glass at an angle of s,mi y;i7:6xbibz0gq s :puaf+ gu60u $57.3^{\circ}$. 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-ananz.s ks ;sq:x8lyzer combination. The transmission axes of the polarizer a;:z .sxkqs ns8nd 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 rel y ly8- nig+4ubm61cbflected in calm water is co g-ubli b6 8mlyyc+n14mpletely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a po*-ylv s9oxwc 0kyfu56 larizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the 0 y ko9clvwu6*sf5y-xangle 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 and refl6e(hk:zgvg0w ecting off a piece of glass of index of refrvw(gk:zh0 ge 6action 1.48?

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