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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. 0xou9qzx3*q(h9t.bcnsj ee 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 sgj8px 3l+6l sxtatement?

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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 a +dxai+7rwy:n: m-corttributed 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 attributx2t mtwx*m78ded 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 densitywy5-)gqrq/ajvi*hvd gu6z - /(7t ljo,

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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 travelitvm6wn5xza; dp6uj 9q yu0-/nng in air, enters a piece of glass (index of refractiu6p -/y w;6 m5xnvzqu9tdn0 jaon 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 lightfme2 xy*qs:ix:x,a:pj*w 3 up *rl rr0 (wavelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wavelength :: * ylq3wuxj2a xx0res*irfm* ,rp:p

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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 passw7*9f)mxbvybd-l v6 o/5n (* z inuxfmes through a narrow s9n6lwm* (u di*o)-fm 5y bv7xx/fbznvlit?

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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 l,v+ he ix0s,kiarge objects such as buildings, whereas light is no ixhs,0v ,+keit 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 responsible for alternating light and dark bal)o *p0 q/lf rbcqna)97wiv0 inds when light passes through two or more narol00/pq)r f9viani)c7w *qlbrow 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 ;r0oqub n0er:/j1p yr+4iymhw8:o - k(binbvif 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 3w(sa3 /gwwl1 hcj-kx say that two light rays striking a screen are in phase witx h ww-/c3( 3jlgkas1wh 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 po:olw /w ybmn5qb0s b(4int P. If the maximum constructive interf(o nbm 5swyb l/w4:q0berence 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 ba;q v 5u+nej (jt a;i8hd f4bjeru1(-paths arriving at point P. If the maximum destructive interference is to occ nr;hj-1q8te ;bdaa5u+4ju vf jeb i((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 centra)d.yjcbyvuzay** n 1: l bright spot in a double-slit experiment, light from ebayzcuj)*y.:vdyn 1*ach 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 a(kel l*/i 02vt 6lmq bmi3cn1side of the central bright spot in a double-slit experiment, light from each opiq( lmt2 b* inlec01/6avl 3mkening 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 ei93pm kof sq(pviv4; -h gwc,(dther side of the central bright spot in a double-slit experiment, light f,((dv4sq pof-w kgv mci;h3p9rom

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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 bet6foi3 zixzoi w0h -uhsq1y57-s :zl 8sween the slits decreases, what happens to the distance between the interference o-1q s-w87zf5usixshoz :6 3z0lyihifringes?

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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 experimeok+wg0h;fzo4te. jt :nt, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to et.zfw;h o+gk :t0o4jthe 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 light trav hav f p*6bjju,;1y5ceels 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 :bj/f0trg wd7of a Young's double slit experiment arrives at a point on the screen one-halfj/7fw t bg0r:d 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 ina 9v r mu9clcif,;) 1de9z9snz a double-slit experiment if the separation of the slits is less than the wavelength of the light uclsezu;mz c9d,v9n9 1)afi 9rsed?

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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 patter yic wu sov7lhco2.,)f (e;ag2n usihl 2.w)cy7o,co;e (s u igfva2ng monochromatic 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 s.dtx7g a dq*u-r,*c,s6x t icaeparates white light into different col*.tcdx7rtaa-* xics,6u ,d qgors 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 allows a --zjatw6isp.8 ) ksp zrainbow 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 sl,pa392t rftdmvl- e8r q/g+ dyightly 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 longfa/y l ibq(q*c7( 9oyr*hu2axer 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 greatest refractioy:.yoc o/*ty q ()eiwpn when passing from air to glaot.yo epqwi *)yy/c (:ss?

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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 pas/m (qf/5kq 0plep h;pising from air to gli( q;pemq/l /pph0 kf5ass?

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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 2e5mkp+c 8 lbosides, at an angle o+ek52l8c b mpbetween $0^{\circ}$ 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. 9cnx2w-opq7t If she now holds up two fingers, with a very small gap betwee29xw-tcq o7p nn 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 ,xu/+d rda93nwqx8 u dthe slit increases, what happens to the width of the central, +wx9 n dxu8rdaqd3u/ 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 t jbkya:c3nc)wb* apu1+y s72 whe other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratik17 c3+c*wybu :yaap2wj nsb)ngs.

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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 only differgd hx8fkdyz* +(6dce8ence being that one grating hxyd z+g(k886 d*cf dheas 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 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 reflecti:h-ey6wit 3 zl gct47 n,c myeo*((hyhon 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 wavek0dz5b7mb)pon s z,nr*m: u5 li5s1ucs can interfere constructively or destructively, depenr n*ipkbu5b5u 7 l)cmns,o :0z1s5zdmding on their phase difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes an air boundary, thij crh.,+yvyae 864i9ufy xz+erez+e4h+yc f y9ua6yj.i,8rvx i 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 r ( sglgsgyj.gc6cz :8m v+l(6traveling in air, is reflected by a glass surface, thesg ggj.gc6 l z l(srm6y(cv8+: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 en ij ryzqc ;5b8qk2.0light. As the film becomes very much thinner than the wavelength of blue l c0nqjzke ;bi 2r58.qyight, 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 yd+l)r +)h8o. vwqigois the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting fqlovy 8oi++rhw ) .)gdor 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 wit q2j;n 6qp;jf1 ;oluxbh monochromatic red light. When viewed from above, concentri;xbq o6 1l fjpujqn;2;c bands of red and dark are 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 f+c. ki z,lm,ycact that certain sunglasses can reduce glare fzl,mc+,. yckirom 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 directihm,86kk2jbw,tq 7 akkon of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroi,y h z87lv9.sjw vaq9oc material like a Polaq9vw oahv8, j7 s.zl9yroid 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 Polarol2 -*l9 z*mqswc/-j foo/pwsrid films are perpendicular to each other, what is the percentage of the incident light which will pass the twsmo sj*-/lw/c2p-9ro* zw l qfo 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 of add i5qu+f,hll 7vh, c. 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 5i7tq/t sik9tif 5tt* 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 exhibi rpm+ych)p4o0iu6 :ikted?

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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 i -ye1kk2p) m;ejjf-i (overhead) than it does toward the horizon. This oje;2 ympj)f -ikei1-kccurs 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 wavelengthw32 y+o32ozqg)p ezug of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light iqpeo+o23g u wy3zzg 2)n 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 nul*(p3 vjy4cs m in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light iy(3*p 4ljcuv snside 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 nyrc4gix1xy.b o*,o7 passes into glass, which has an index of refraction of 1.50. *og. yb io4 x,nyxc1r7What 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 trav6a: )p*fwqt/wr 0nhy pel 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 fou 1;lmsl/xmgw: sxn2 ge88 ygc)nd 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 iu i1b+ h1bxf j63l9v ax qcq8(v,mkh7wn 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 slits, 1z(chn-qch i /f:np:d and produces a fifth order interference frin(diqh1: cfz-/nh c:p nge 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 thirddmceyk:5 v0( nie:zv* order bright fringe is seen :5 0vn :z*kde (cvemyiat 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,jrt18itrt )a5g; ou e- if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is ju5t8 og;i)tearr-1 t2.5 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 sepapt.j glx +4vack(a,39n4xv xnration 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 t xjnc p k+ lt,.xx(3avv9n44aghe 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 6th j b2)eo6apoo zi- :ayn3b gp:n.q+634 nm falls on the slits. If there is a screen 6.0 m away, how far)g:+boi jp2t: a- np zooyabnqh3e66. 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 k9oflub o do8f4*s 0x/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 dok8 u0 dboffxos/4*l9 ouble 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 contayvus)7 pgd81;nqs j ojzv/**zining 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 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams in the gzs n7p8v/o )*1*jqdusy ;jvg zlass.

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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 (wavelengthkmb lo-.hs 7w4 480 nm) and red light (wavelength 670 nm) is hobs-wml4k7 .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 si)pzrz o)vdmj 8;) b7ctngle slit of width 0.20 mm. What is the angular width of the central diffractio)zrd; )v)p8ocm7 jbzt n 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,d bon4e. k:gi+gp5 sw6 is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima 6ok bpi.gs+ndw:5e4g 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 incidentdmo/frdhprudg7k :iy1 wu y+,; uk- 9/ on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from thur-do:km +f7g dyd w;1uiruy/ h/9kp,e 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 slit 0.20 mm winzh. sr4vjk9uk9tj 4:de and the diffraction pattern is produced on a screen that is 1.5 m from the slitrs9.:k4ztvj4n h ju9k. 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 observi02kw2 g4 7qcb dnu3yp;bzik(png screen is placed 2.00 m from thebig2w( qup0 d4;7k3 by 2cnkpz slit. Find the position of the first order dark fringe from the center of the screen.

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An p;8gfi 4gavy 2vye.* hobserving screen is placed 2.00 m from the slit. Find t2fev4y8 *;.g p gahyivhe 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 + b29hm ; l39mdma atp6qhx -ithn/zv7centimeter, its second order maximu+ht3 t;mzpm9i96dl x/72bvqa-hnmham is at $62.4^{\circ}$. 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 centqb,jkw x iq3 s*il1mi:-og 7b3ral maximum anq- iqlg b3:i *xwbs1, k7jm3oid the 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 zt tt)ifw2rlp*3z ..uis incident on a grating that is 75 mm wide and ruled with 50,000 linfr2wztt*up l. i.3tz) es. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 zfee(.,/2jfn /a 0e0vt bbtfxnm 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 e0n/x b,fe te.b (f0/2j fvtzawavelength 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 it. vg4dkctl*dwrg-j 9*+ What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavel9c* gw+*4jlkddgv -r tength 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 spe: br+zm4a q8wgctral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red lightqw:r4g+ ab z8m (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 calibrate a grati 8onjrbrp+o;o pt7q(9k j +w4gng. If the first-order maximum occuroo+pj47 ( pj8 nqg9w+;rtkorbs 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 inoff ((7jr /qt 3sqiel2ed0:zhf)vl(g cident normally on a grating. If the third-order maximum of the diffraction pqfz (l e 0q dg e(rtlj()if/o7:v2fs3hattern 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 onq 4:yh(:*yhr- 0rtxuq(nzolfb93rw a a grating. If the third-order maximum of the diffraction pattern is observed aq(9yhbu* y(a0xw - :ft4hr nz3:rqorlt $32.0^{\circ}$, 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 ahiph2ozl05 ; :*d dvn7ulzhb1t one end by a strand of someone's hair (diameteh vubd0z1ph*d7z;nl: ho2l5i r 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 of refraction of 1.33crswu-7j 1 +1 tnyu0hx. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelengthc1wr17s 0unuh- t+xyj 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 is t)blyfc/ d)w lfojs)25f6e2 mwhe minimum thickness of film that will give an interfecm w62) d )5bwosy2/ffl ljef)rence 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 film ck 9s+ p9 roks:4df/xmrg9fz0s2vh3wuoating (n = 1.30) on a glass lens9u9dm+rsv: 3 rfh2/0oxfkp9gz sw4ks (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 unpolarized lighg)2p mtbibz. h q yf.ll5u.qp;c5 c,/ut and the intensity of the transmitted light is 1. A second idealcghi l.qpq.b;m 2bltc5p y,z. /)uu5f 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 rotatedvc7i2 re)fl6l $30^{\circ}$ 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 (-nchhv+4jnmt p0g9g7 h el t3in air strikes a flat piece of glass at an angle of g3hn 0nvlp4jeh -cmtt7+h9( g$57.3^{\circ}$. 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 pass 35z.zi3l,untc(- non0onxgjed through a polarizer-analyzer combination. The transmission axes of the polarizer gl0o n nj zo3 nc5(,.-txui3nzand 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 iji6 iqemc11m *zwi b45s the Moon when its image reflected in calm water is completely pola1mi c ijwbm5i6qz 1e4*rized?

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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 analyz8dvcf+2/r 8r 4. pc bgor.oscpeh 9p,wer. In this process, the 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 analyze2.. vco88go4pe rsf b+cp, hrr9wc /dpr?

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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 rejmh*ksy8 .t+7 k ea7 )le5zbtrflecting off a p jz) b. k+e7y7e5*m 8tshaltkriece of glass of index of refraction 1.48?

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