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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: 游客未登录  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 principle.j : .u67ou wf.bur xwpktdb g 2/ti:j,11w.ifo
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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+6bya3ejt lpc e2dj8* ?

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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 a0ov13 svh l1o h8k2rdk s(wn:bttributed 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 attrib;hddr*nr) wt33zl7ke uted 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 in aj+j.a y ;+0szvly;outo 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 = 590 nm), originally traveling in air, ente*.u x** xqoy, 4vyawkbhby /jji2s3u8rs a piece of glass (index of refraction 1.50), its * 2/uhjsv *yki,by u *3bx.oxjy4waq8frequency

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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 (wa soy e43q-ou9igxi ,6w 2j+d)qe4zgi fvelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its-qowiuey fg,g3s4iedz+i9x 4jo ) 62q wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for light spreading as it passes thrgvi+5 6ktuheh l2;6dbv *u8epough a narrow slit5ph8kb6tvuhd2eu 6i+elg* ;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 large objects such as buildings, whewcl8.oy jq ,2p7xep (0yxb/tdhqo3 g,reas light is not noticeabl7 ,j.peo,y d2 8chpx qq0y/(xwgtl bo3y 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;fc,soi k)k (: m2ryzk light and dark bands when light passes through two or more narrow slzy :mrsko 2k();kifc, its?

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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 t) pwkcruy*iyk qw qr(1yf- ;.8hey

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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 rayjy3 *zsbk4 +las striking a screen are in phase with each other? zkjy b34la+s*

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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 arr iiu-a raa;da wd(46)fiving at point P. If the maximum constructive ii6dwr a(- ;af4) udaainterference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. Ioorm8w3:ugs-r:p r 5e+dy7eqxld brl*6v /p: f the maximum destructive interference is to occur at point P, the twoe:psl/v:d6 rr3beyw+* oo-r5qlg xp:m r ud87 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 bris s uthn esqrc+(,5u01ght spot in a double-slit experiment, lig eq0s5r(t1+s nhuc,usht 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 of the central bright spot (how (bd; ea-i 3smkm+in a double-slit experiment, light from hd -m(s3k(+;w bameoieach 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 oj m:*qnu1un vz+r vyugch795+k6hea,n either side of the central bright spot in a double-slit experimenmy z6 : qcg7rhvnje+9k1huan+,*vu5 ut, 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 sli vtym)r/ee* 1ht experiment, if the separation between the slits decreases, wv/m1yth ree )*hat happens to the distance 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, ithl(0 bfp-swl0sfwt5)gzpr m+ rj q228 is observed that the distance between adjacent maxima on a remote screen isjh2 0pts5z 2f08rpbwg m f+q wlsl-r)( 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 coherentp4l4bq,mjz)t0q kqld ,p76dn light 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 douk9h t5aj10jq m:2kz blble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed a aj0q:zj 1mk95bkth2lt 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 impo* pxu;(;o-bdq5e mbixlh(:ggssible to obtain interference fringes in a double-slit experio b(peldgbqux;g:;i5x( hm-*ment 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 ad eg,u 39rv4jj tqmq*;ypr3jtf0 +0np ejacent maxima in a double-slit interference pattern using monochrtq0qrj0pue * y,gjf 3tnv9m+; p3rj4eomatic 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.hipt 4tu6: d/ udw,qy a prism separates white light into different colors tu. d4/i6hudpywt:, qis

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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 vv2gc0+:u7 jsta rhe8rainbow 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 400 nm is calnd4e 5 aint0l ocw/m.+led

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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 9h5,gk1q sr r5 o:rlyb1 +iitelonger 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 refraction 5,w o mguz3cz*k ppd.7z/iob5 when passing from air to gla* md3o5o gkpi,z5 /zwbzp7u.css?

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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 smallestc(rl 3do;fufndhu 3 (6 refraction when passing from air to glassld 3 ohf6nurfcu;(3(d?

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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 ia 4; subggtu1.s incident on a thick glass plate with parallel sides, at an angle g bs;uu.t14 gabetween $0^{\circ}$ 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. If she now holds upl *p+yhxpd 3)a two fingers, with a very small gap between them, andda* 3lhy pp+x) 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 experimentjp42wnd /c fn5, if the width of the slit increases, what happens to the width of the central maximum on 5 nwj42pdf/c na 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 l.r w n8av0ysv.ines per cm and the other one has 6000 lines per cm. Make a statement comparinanr.. vvs8 w0yg the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the onl+oiek he142b*2 ycm1yds a 1avy difference being that one grating has2ee ocd+2 bmv41k*a y1 i1hsya 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 reflectisk/ur4h/ n2 4td(fr paon 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 co hbr1e7 3yq n0nla7i*knstructively or destructivel r0 qi731elnnyh7b*k ay, depending 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 travelxf+pjaau1adju h5;z 30g - jn/ai *mu+ing in glass, strikes an air boundary, there isd-a/1j iuajamuzax* +pfu3jgh;05+ n

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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 av jk.r-6z874 8az/ qdk tju;fps bryn. glass surface, there i z. t-/;ja4.drq8r6 b7ksjnvfku 8zp ys

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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 v kw52hv onivxiw (,si09)q(i biewed in white light. As the film becomes very much thinner than the wavelength ofv(2sbq, 5iw09oni ) xkhvii w( 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 magnl1j 1f8las/)e .;hnvwk *vn ahesium fluoride, what is the 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 intermediatkwl;1a8*l se) n/v.hh1n vjafe 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 illum:akv5 zn 7fl0d*3e dcrinated from above with monochromatic red light. When viewed from above, connvl 3ad07czfk r*d5:e centric 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 factev zlu) 6v*.xk that certain sunglasses can reduce glare from reflecteez.lx *v)vuk6d 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 polarizati0b0n7qo d j7ffon 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 iul7k2nyf cf*em+bz9oz,65zv m -qt (material like a Polaroid fbf zef2c6(v9zm+-,*y l mn5i7tukqoz ilm?

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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 pbt5/zlmi t( /lerpendicular to each other, whatl/i5t/(lz tmb is the percentage of the 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 (ob dwc -nx7mw)1ki7hsurface 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 greate1 ;2fxfqpy*hoqm:b 8 sst 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 qx6h8li cw bg8*b n:tyuw-3t3is 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 tlbt f:w1x 6er/oward the zenith (overhead) than it does toward the horizon. e6 rlx1ftw:b/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 passs6:r /aczw 7uces into glass, which has an index of refraction of 1.50. What is the wavelength of the light inac wc r/s6z7u: 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. It passes into glass, which haqn)u7u/* raogf;hty 7s an index of refraction of 1.50. What is the freqgf )oqr/uuy n7*;a t7huency of the 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 ofm;e rnh; h vciowbc(f*afn(hc (*9t08 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the light i( nc9e; **b nhfh(hc(;i0covt8mfwarn 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 58ovb84y y,dirrk1a 5y50 nm in 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 550 nm in air is found to travel a-1(ggm0fh fuznvw ,+ fe x9e9d0vnu3et $1.96 \times 10^8 \; m/s$ 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 ifqv/:* iu e yv/f5qp+ti94b(jne5a.e vm cm5yn 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 6.0gu l, m2q g6:9qhfvc 1w6vt3fp0 mm apart. Monochromatic light falls on these slits, and produce hwcqpmgf3 vft,: 162v96ulgqs a fifth order interference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit an-cxwn qhtnl;fhh c8rw6g 0 *2)d the third order bright fringe is seen at an angle c;f )6-h c8gwxhq 2t0n ln*hwrof $6.5^{\circ}$. 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 sl()r6ui bm nt2 :dbxwr+ qf3rr9its is 0.050 mm and the distance from the slits to a screen is 2.5 m, find td fwrquxm 2+ni 6r:() bb9r3trhe 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 s cp*c5g7s.bd wlit separation 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 fringe from one pattern first coincide with a bright fringe from w5cbd* .p7cgs 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 lightar njuo(10,k9sh m1scz93awc of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferencej waa9,0(n31zhrco ks ucm s19 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 sl8yvysox 2 bznk c6obh2y-651iz cf3 )iit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between t h yz662 on2f8yk)v1czicobiy x5sb-3he 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 wavelengths7x,2r2smxw ean4w p;s, 480 nm and 700 nm, strikes a pla;e7 x2sm4, r2pn waxswin 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 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 (pz 586, p-t it3uq0wrr/bypdspfo*e6 :f w+omwavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of*t5, mupfwf-0oip3zd pyo e/w8qrtsp 6:+b6 r 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 wi fs:;c )y:vfeouqr3s m49we; cdth 0.20 mm. What is the angular width of the ce umsyos fc 9e43:wcrf;e:)qv; 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 i(hw 5 ahv-kbe +a1-ougs 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either sid1(+ha-baw-oevu k5gh e 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 0.75 mm wide. At wh-g5zmq 2(u8gmcv1i-dyt 3ud qat distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is toym1gi 5(ut32 m-q8u- zgd vdcq 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 inciyok.cc/9fla e1tki y0 rln: /4dent on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What isky:. c/ 4lk1caeyon 9/lrfi0t 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 p-q67w/ig 197tjrv hgtsh.rdis incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Fi76 h1st9-wrh 7id pgg .j/rqvtnd 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 sli5k uu0vu.gxv;)4c; uu 9 diiibp tw*/gt of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find thwk9;4g/.gitu;u 5 iiu*u0u vxbp c) dve 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 l) x*t46etqb fsines per centimeter, its second order maximum4f*)6tsb txe q 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 gratingvvkqmj8e 6p( e/slx ;* has 5000 lines per cm. The angle between the central maximum and the fop8km(;x 6 sjv /v*elqeurth 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 grating that is 75 mm wide and c47fcqjgg/;z 1tnpf:ruled with 50,000 lines. The second-order gctzn1: cg4p/7f qjf;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 first-orde 5p,mtuoltkj/+4u/i- rd8 y eor maximum 0.350 mdjmo ieu- 8l p trok,uy5/+t/4m 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 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. Whatq k 2yg,zf1g6kdsxh(* is the angular separation between the second and the third orders on the same side of the central order whg*,g zkdk1 h(fyxq2 s6en the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a grating. If thef6w ;52xz akuz grating has 2000 lines per centimeter, atz 5kw;6z2fuax 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) a31: mhajk -nnis used to calibrate a grating. If the first-order maximum occhannk1 m j3-a:urs 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 incfj7ajqj:hg xb3b9(z :ident normally on a grating. If the third-order maximum og aj( b7h:9xqz3jj b:ff 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 wavelengtl95: pss jxso2h 500 nm is incident normally on a grating. If the third-order maximum of the diffracti:x5 sp lso9j2son 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 sepazehmdd0czmg/*rq 4,*oy vi 72rated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference band d/vzio4*7gdc*mz ,2q rem hy0s 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 refrac(dbz9crt,0 v 8 k:nfwution of 1.33. What minimum thickness of this bubble will c(w8z tk0: duvf,br9n ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength jh5 r*y1mgfl4500 nm illuminates a soap film ( n = 1.33). What is the minimum thick5hylj 1f*g4 rmness of film that will give an interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of ay0no-k ;jso-z axdz5. nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 jzo;a n-zos-k5 .yxd0nm?

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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 unpolarii:x:ma jk glhp37 iqv/y;8+xnzed light and the intensity of the transma i:hgmn7x/q+8yip;3jx: v klitted 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 dire2e6 gn thvzi;xdb 0ulf25k/+oction 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 agcqcv2 8y2 if(*hulntf50 a .q flat piece of glass at an angle of y2vg2cuic*.f l q8qh5f(at0n$57.3^{\circ}$. 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 pam(4 ftb50h kdciac )lj6k p):sssed through a polarizer-analyzer combination. The transmission axes of the polarize0p( mjcct a5f)dkh6 )lisb:4kr 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 ref9sm;i .ccah+0hudm bfrco4ab4 z) * (flected in calm water is completely polab9aha ih*zu4m.4bfd)0fcc; r m s+(co 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 a 5yp8idybn+8+78jexaxuu n *t -nw7, vxo9jbdnd then an analyzer. In this process, the intensity of the light transmitted is reducen-7 ydubd8y88xx p+n5, oij*7nu9+vwjx tbae d to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflecti; .8 7ma* /uwg0x. awgvgshojang off a piece of glass of in o7hu. gaa8x;m wa sj*g0.vg/wdex of refraction 1.48?

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