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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 principlu(g3 / i4xzpite.
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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 stat:xdujnx5a-3t8v v8hk ement?

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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 attri4 ba33byjz u7fbuted 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 attror(ca*mc 88m*y)( ce jnvmmp s* ;tf8khy sp33ibuted 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 5h4 3g 4rgxyn52v yqsjinto a 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 (wavelength = 590ikw: tah2 8 jlkah9-1gcy)6q+joxag-q ys z 14 nm), originally traveling in air, enters a piece of glass (index of refract: 8ix-zg9h)kglqsjwya - caka62oh1q4 jty + 1ion 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 nqka-+ezdpxp 0w8y 0z0m), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wave -kd awx00z p8zq+py0elength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is re-d cei0horl x9qzj0t-qy k(19sponsible for light spreading as it passes through a narrow slikrqtcq- 9l-zi(j 0dh1yx 90oe t?

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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 oe/ mhx vv r),2.t9tjbbbjects such as buildings, whereas light is nrt) jbmvx.v9,ebh2/ tot 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(kt4)d tkijq, bands when light passes through two or more narrow slitq tdk, i)(j4kts?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are4ku8u rbkdkhzv6 6d 0(, *hjul said to be coherent if they

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What do we mean when we say that two light rj+ltp: ye ;fz,l 7yb3rays striking a screen are in phase with each otherl+lzjyyfrt:eb p3; 7, ?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If z,ir,88w+cy sbl7wg-feg,ot the maximum constructive interference is to occur at point P, the two beams mus-ost,8l7cie g,,b y g+zwr8f wt

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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 tr- hfg; i-kl*b isp)t6pavel different paths arriving at point P. If the maximum *;--6bppihgi)lf s ktdestructive interference 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 sitq:blwlh; gt(t /r8bhhb:q;k .,cgtx2h-y;kde of the central bright spot in a double-slit experiment, light from each opening arrivesqh2, ttqwyrh8thb:t;ll(c - /h; gg: ;.kbxkb

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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 eit5 vl): ionk s+ebk91fnher side of the central bright spot in a double-slit experim9kno1k s e+bv:)nf5 ilent, 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 spotdxqp4c dwb *.9 in a double-slit experiment, li*qd4.cx 9w bpdght 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 slit2jftf q5qv49l experiment, if the separation between the slits decreases, what happens to the distance between the intf2v 5 j94ftqqlerference 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, iktr h6( qwy8au7:at: kt is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separatikh t(:ayrt:q k7wu8a 6on 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 travels path zca79gb 9peogiab9r 286lqd.$P_1$ 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 slib9(d4c flgl5pt 1x:p at experiment arrives at a point on the screen one-half wavelength behind t4g9p1:c lfltbdxa(5 p he 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)bua pyoh1ancd p33b/,- qx2 d obtain interference fringes in a double-slit experiment if the separat ab3) /qhboappnxd, 1d2 uyc-3ion 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 maxt ;-:iqzj0vctwol5h, ima in a double-slit interference pattern using monochromatic light isqtizo,-h0: wjtc 5;vl

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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 as 9zicik; obo*9dr / *rii*f p)rc(1mv prism separates white light into different coloivoos;c* 9r zp1kbmd(*fr* ir /ic9i)rs 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 rainbow to q (ihr/o5 hxomk t w0.j;y+t,mj,n,cx form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nm :4f3.kytiw tmis called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer than 750 nm is calezgtcj8:nj kf1hk e97eyf )++led

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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 refraction when passing from air zd hc.oh(in8zt xoz 1h. lej67-qhe ;5v/ -dlito oz6n hi5 ;oxld8-.-viz (t/czj deqlh.h1he 7glass?

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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 ressj*2 hlqp x);fraction when passing from air to )hslx2 sj*;pqglass?

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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 parallx4sr l,, qrfn-el sides, at an angle f lnr4q,sx,-r 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 ligh7 pgduzsna955t source. If she now holds up two fingers, with a very small gap between them, and lpgu5 zn79 asd5ooks 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 yhp*4+ syzs*;ikl 8b2qppi 4cexperiment, if the width of the slit increases, what happens tlkyz+;pi8ip s cys*4*q2 hb4p o 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 40itr*du q9xu yp -c.:8p00 lines per cm and the other one has 6000 l:ucdptuy -.qix*9r8pines 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 s4/w7ns xlx 4lqb k ew5hmys7+*ame slit separation, the only difference being that oney+k7nxw5s/ 4b 7xwlhm lqs4* e 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 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 caua//arwfn5yxa ta377b sed 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 consa1+ g .h6r/h/ pvftljztructively or destructively, dependhaflt/v+p zrh.6 j/ 1ging 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, whi 0 br1e9:*qeoouj6symch is traveling in glass, strikes an air boundary, therq*j u e rs90mo:1eybo6e is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in air, is reflected by a 1 ,hsaamz7a )jw0g0td;xou7j c e)z /xglass surface, there i7xhx 0o/;a1a)ezcmu gdsa )jz0 7,twjs

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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 very muc5qkhacem .r; a.u7d;5 3 qooamh thinner 57m r.;cad qm;o3kuaoa.5eqh than 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, whatwl1r/s avfog(l n,p6xtwv6cz04.y z0 is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens (slp.ra1n660zvvz,0l4cxtg wwf/ yo 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 gx+r s2*ew-iww3:x owf lass plate and illuminated from above with monochromatic red light. When viewed from aboi w3*:fo +wew- xrsxw2ve, concentric 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 fact that certain sunglasses can redu pqlt;5 vj +wmj-azlh :/)vq8rce glare from reflected surfavp-l5t/+)jvjar:; q hlz qm8wces?

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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 polarization is d4fd x+h.zuc8+w , wqnjefined 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 materib (xq6adk,dko1+bh1wq b n 6a2al like a Polaroidkbbhoxa(q ,d 6qb dk1 w1a6n2+ 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 are perpendicular to eachj4+pr4pr 6zos other, what is the percentage of t r+p46rjozs4 phe incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the dn v4s:ir (u lrw7grc;;;dz1zsurface 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 is fqbhed2c:u4 uv,vu9wjs4h / .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 difc0 +ta-urj+l p-vcgg f/-ojd)fraction 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 zehsz2ilw+ f,cpet) +6-n a dm)0(prbrqnith (overhead) than it does toward the horizon. Thi2wd rf,n0tp))(isza lp bq+6merc-h+s 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 cnd nx0h4-r h5vacuum. It passes into glass, which has an index of reh5n0cxhd4- n rfraction 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 wbop4+ hfd7l;a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the lipl ho7 dw4bf;+ght 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. te5fm7. r.wl hc-q:j7wimr 7uIt passes into glass, which has an index of refraction of 1.50. What is the speed of the light in the hlrw7m5e.jwr-q uc mt7fi:7 . 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 trav+:hkvbz0;t)fd sx x2nel 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 o43c5wpv lwp k83tet: 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 .uf ca99)-skeeid 2e znm 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. Monochjz+y16a 9 fsjhromatic light falls on these slits, and produces a fifth order interference fr1h6ja s9y+f zjinge 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 do7b( e 4cpoj 61psaoh*buble-slit and the third order bright fringe is seen at an angle of obap6 c4*7jb psh oe1($6.5^{\circ}$. 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 two slitstxt fin.a3h 830 2rbzf is 0.050 mm and the distance from the slits to a screen in t3bffhr 20.t3za8xis 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two wavnexl/*ni g;di3a7 zla /7n3i 7c-ternelengths, 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 fringe from one pattern first coincide with a brig77a3 ;7i d*3xntenng/ nae z/illic -rht 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 lighe b bh,s/6h4t h-djr)ot of wavelength 634 nm falls on the slits. If there tb/6h s-d ehrj )hb,4ois 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 8dxw*fx b3g w3incident 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 thebxg 8wf33* dxw 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 wavelengths, 480 nm and 70oevkt-msl7 2*w+ , tmk0 nm, strikes a plain piece of glass a 7mte,kwmo+ s-*2lv tkt 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 consiskwq/+d) 0jvw xting of blue light (wavelength 480 nm) and red light (wavelength 670 n+jq0 wdwvk)x/ m) 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 qt1c*4i0/pz s;h)3 5ifi5h pk tuogni of width 0.20 mm. What is the angular width of t)i15pctsi ng3 q4p 0k *h5f/ houziti;he central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 md8fcjf g mt;/;m wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two ;;mfc/ j8ftgdminima 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 oni0dasbiywz,q rf-l4nw9timk8 +7*hm 0u 02gg a single slit 0.75 mm wide. At what distance from the-+0i8 ub0 mi r09qwy t 4 gzfgwn7ad2m*ikl,sh slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident ou 32d wmph51:by(cg8(fz xkdcn a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the s 8 m:uy1(b35gd(wh cpfcxdk 2zlit. 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,, dv)rf/ mg tfnxwamh1y700k bserving screen is placed 2.00 m from the slit. Find the posmy gd,h 0rkwn) f7x/1t,afvm0ition 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 rw 3i*i0tj +jonm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width ofi rt0+w*iojj3 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 wvce9ga2 n jo/(ith 7000 lines per centimeter, its second ordero aen/c2jv9(g maximum 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 c1rd mqp4d- j3ientral maximum and the fopm 4 -didjr1q3urth 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 incidep 5,k4g6dgqpdnt on a grating that is 75 mm wide and ruled with 50,000 lines. The second dqgp,64kdp5g -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 nm wavelength produces a r:vs,2zb)* 1kwi1rvv. y mcdffirst-order maximum 0.350 mm from the central maximum on a distr:wfc)ky1 bd*im .2 vvsvz1r,ant 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 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 f:+y zp 42 bnry*axic2 0xq4rj6000 lines 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 grating is illuminated with aq4j0nx y:bxcyp4raz*2 ir2 + f 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 grating has br2) jln zb;;i*8ayys8.q4shjdue9 w2000 lines per centimeter, at what angle will red light (640 nm) appearbn s.4 8byzl; u;d)9ji*ajwqshr ye28 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 calibrat-r. vrd5b2(fl l kfeb1e a grating. If the first-order maximum occurs at rekfl lfr2.bv(51 b-d$20.5^{\circ}$, 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 normyi7riktxh 0aje ,tc6 ,i02u) pally on a grating. If the third-order maximum of the d yi )p0e2rxu 6j,thicatk 0i,7iffraction 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 wavelength 500 nm is incident norm:( z80j3lwwizdk a -hoally on a grating. If the third-order maximum of the diffraction pattern is(:0 lako jh z3-8dzwiw 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, amgvc.d0sv3u*5yf d long is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010u.5 ,0v * mvacd3syfdg 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 re4ma6 8,:sahhj-m okq bfraction of 1.33. What minimum thickness of this bubble will ensure m8ob4kah6m h qj ms-,:aaximum 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 illuminatw+39:xl5loh ks1ym5p(o s8z-bw bk sles a soap film ( n = 1.33). What is the minimum thickness of film that will give an interference when the light is incident normalll -59w5zk8sb(3lox:1bly hm + pokss wy 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 b*-jni*xpd f *j:3 3j3gpqndl a nonreflecting film coating (n = 1.30) on a glass jdfj- nj 3*:l3bpq3dingp**xlens (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 light and the intensity tt/eyr52 m2 zv2qa6ke of the transmitted light is 1. A second ideal polarizer is placed in the ty2e a6/mzv e5tr2k q2beam 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 dird((v5m7zod9jst/v mz ection 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 unpolarized light in air strikes a flat piece of glass at an 3z+k2pmb /f ddangle of fb m2pz3+k /dd$57.3^{\circ}$. 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 paqbkv5 3 i8n2vzssed through a polarizer-analyzer combination. The transmission axes of the polarizer an 2kv8nzbi5 v3qd 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 reflected in calm water is f wc*zs wiha kdw,gu)p50;w6(comple)wzgkp cwdf,a( us60;*5 ww ihtely 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 throosg 5x0fmxk9x 0 -xps;;1m1zvxgo bg -ugh a polarizer and then an analyzer. In this process, the intensity of the l0m -v;s 1zkg-xbfpgmsxx1oxo5 x0 ;g9ight 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 f++p gaizd2s16zi9atihw:.j kor light traveling in vacuum and reflecting off a piece of gla k19pigi th+w2azz+d ji :s.a6ss of index of refraction 1.48?

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