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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 principljo-e qubix2skj3l d ;r -5t92ye.
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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 5fg8*mbb*oca is a 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 light is attributed t0i 4c*q0hp26si7e i eabx ngzy 9j2g: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 attria+d jx p:ww1au4;k myo 2tuun8.ow 4 upa-;mh4buted 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 opticay ;v ccimn0e.t6mv qtrbk-) 70l 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), ormn*nq od2: *dmiginally traveling in air, enters a piece of glass (indexmdd2nn* :oq*m 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 = 590 nm), originally traveling in airp -g/uadv il z);a-6yhx y-er.eg21 qu, enters a piezeqy-- yud 1 ua lva 6irhg2ge)-/.xp;ce of glass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible forag xr 2ws d*bk+.7h5 ,uqqhcy, light spreading as it passes through a narrow sa qgq,h+*. yh7ukw xb2 cd5sr,lit?

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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 buildingl :fcgx u(d/k)o .k/hqs, whereas light is no:gq fulhc dx)/. kk(/ot 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 a4d,:dg+d-bl 9)eeumik wa +q and dark bands when light passekid+bu+m :ged)9da le q4aw-,s through two or more narrow slits?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two light sources are said to be coherent i4wpal9gd94y lf 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 arega r(vrs3 pnc11d* rnxh8xsqa*t:*/yp *s*ik in phase with each other? s nns38*(*tas c**i* dqpv/11 xhp r:rxakygr

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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 ldet25(my qngn 1j dx/4ight travel different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams mus25t/ j1d 4gd(nxnmqyet

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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 travelh -. ms ,;jmmsqja-y9lfwtf)f: 0*zzn6jeuo 2 different paths arriving at point P. If the maximum destructmqw:t symn 0hfu-;mazffj loj)e9,26zj .*s-ive 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 side of rmubb; g7yatj.s :q(7 the central bright spot in a double-slit ex. yt7(mr gub;: 7sqbjaperiment, light 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 t um5h:ll; 7yqbright spot in a double-slit experiment, light from each opening arri7lu qh :;5mtylves

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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 79ne 2zpi *0wlane8 l(jgcf z(side of the central bright spot in a double-slit experiment8c27anlw0 jzlni f(e(* 9zgp e, light from

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit exi, ,4/ov-.adqld: txn0k vajzperiment, if the separation between the slits decreases, what happens to the distance betwee avqt: i4l.x/ad vnzdo,jk0,-n 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 that the distance betwf6()sqgxzq* ab.6) enbbok-o j z+3qfeen adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation 6-j bosek+n. f(bgxq)bq*6o z) qzfa3is 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-wx11 pnyphjbv .2/7 mdi 1aek 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 ytanyz-5 pd04) dyij* a Young's double slit experiment arrives at a point on the screen one-half waveley n4yi)j ddy*5-zatp0ngth 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 inter6ddtay/ws) qmm*8mn 13x- oq lference fringes in a double-slit experiment if the separation of the slits is y6/- 3mtms 8xo)dm1 *qlnwqadless 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 in a double-slit interference a wy8;lti;r d3e) nw1upattern using monochromatic light i3n )d1 raw;t;wuei8yls

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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 white lv;e i+a(to*e tight into different colors ise*o+e;( aitt v

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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 rai6tn coe (y1y3pnbow 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 )u vtysnfqo ,p-t8*7r(dq6 pmis 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: j/-v7g6gpddue, vcy 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 light0 ur 3neyh3qdeo d-,.:bn yew3 undergoes the greatest refraction when passing from air to glass?.ry 3nh3odbd 0ey:-wune3q, e

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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 wh3pw*f+kw5 z4 nmyoqgbtt *-k 5en passing from air to qn5ktwz to 4+w53fm** gk-pbyglass?

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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 lighwpj 9gd-6p k4zgck*e8ljvk3 nrx;6 8x t is incident on a thick glass plate with parallel sides, at an angle bet -v* wkkp gn4;ljrg3z6j8ke cpxx9d8 6ween $0^{\circ}$ 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 disww aq(eu0tztm2 4. kzh8/ obj)tant light source. If she now holds up two fingers, with a very small gap between them, and loo(m ze0abhuw2 tjo )./4z8tq kwks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the mqyh b,dun2h r2 54uo*slit increases, what happens to the hn o*2 bqru2,yh4d5u mwidth 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 other one h8r8whi /h/vyt as 6000 lines per cm. Make a statement comparing the dispersion of the tw/88y rtwhv/iho 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 gratingsxilm (n*x;nkii(f.ls9q*y+ m with the same slit separation, the only difference being that iy*qnxkm*fsn il l(x.;(i+9mone 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 caused by reflection a *ih9wg;b yg+h*cx -kund

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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 ()mf:) wef, reg1pkv8ojxj l y-o;qiycp s+;-nstructively or destructively, depending on their phase diffjxfkem-y-o f:;),;r8c s (q+ oypli1ew)vgpjerence. 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 y0m/0yihid 7hl , ;flqair boundary, therl 7f ih0,yyd0/l;iqhm e 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 glass surfai2 n+*4pker avfx3a q)ce2qikx3fa4 a rv n)*e+p, there 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 vi ibln)3mhei: 7*x:81xlpdmxe 1p ,n zlewed in white light. As the film becomes very much thinner than the wavelength of blue light,phmxd ,n8:)lb zx 1e*71emxl inlip3 : 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 lij x/v-khkp6/:gn yq po764g cyght in magnesium 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 /yg/ nvop47qjc-:g kxh 6pky 6index 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 ve+ep8 ,ifd0m-o)o tt above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the et+ -,odiemv0fpeto )8xact 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 bty0b- (9kydbcjf 88freduce glare from reflectebf8 fy 9y tb-bk(08jdcd 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 dth),w) yxb r9fifv5j9t)cd2j 0 jx8rrirection 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 dichroicdt -1pe ,-gye 7k o0psyx3(dku material like a Polarod0e e-3dxp 1(7,kyput ky-g soid 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 ixnb+2+z. 3 8mq+wly xjemvvu00z j/cto each other, what is the pe qm0jxl+b zz/ enw20.xy8+iumcvvj +3rcentage 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 surfacey28pay8 loiw/ 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 vs,;81 6 qzvvfa uh5mvis 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 diffraction NOT exlmhq,9y tdcsl9q 4i/8 hibited?

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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 app u.6)z(bz/b3)h dz3umt5 tfl o pfqo-wears to be more blue toward the zenith (overhead) than it does toward the horizon. This oc f5zodf.)3pwboq6l u3zm( - bht u)/ztcurs 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 i-ak5jxtycv0 ; 8 otbz)b8 6x4smn+dnof 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50.z8dyt +n bminjtxbok-cx ;5as60v8 4) 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. It passes into glass2,) mdub tubbb3im-hohs) 43 g, which has an index of refr 3t iuh,smhd4)2u-3 bbm)o bbgaction of 1.50. What is the frequency 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 of 600 nm in a vacuum. :9x*sgqp27s ib: tbhl It passes into glass, which has an index of refraction of 1.50. What is the speed of ssh:qx97:pbt b 2 gil*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 vacuumdu (f toc5 /01ltjkdi5 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 ek* zdzw;l+a): op. mae-xfb3 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 5a1v d2y m*0c1,2 wtvwf-ap 0,arlkxb d50 nm 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. Monochromatic light fag5 )dfxtf,r8 flls on these slits, and produces a fifth order i)8tgxfr,5dff nterference fringe at an angle of $32.3^{\circ}$. What is the wavelength of the light?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 575 nm falls on a double-slit and the thirduvmrb)g(t.x+ g cz m9x +lg5n0 order bright fringe is seen at an angle.(xt+c rm+uglmbgzg0 n9x)5v of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between the two fiad;6oc:l + oslits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spaci6oa +l dco:f;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 experi(o45r 4g r l7s bdsy5ue7sqs1ument, the slit 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 u dqeg1b(7s 5yu4l7osrs s 54rfrom 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. Mono owq0 :tfakov*v78xi9 chromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart arot7 q 9wav 0ixfvok8:*e 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 ape) , w+n.sxgax r8g4kh,4 wyy Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe se4,)rp8hayxygse4 kwn+. xgw, paration 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 wavem8x-l gy gj4,q 0s: mp1aerqt-lengths, 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. Detemggjyt0e:s-4qx 8 1almr ,pq-rmine 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 (wt5)ac qmdmfam )h2+ s3avelength 480 nm) and red light (wavelength 670 nm) is incident onmhq) md) ftm3sc+5 a2a a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of f3 gk *w9sgtbsio90k q0/i i:ewidth 0.20 mm. What is the angular width of 9gw*30ki stiks g qiob 0/9e:fthe 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 mm wide, is illuminated by light of 550 nm w )j m2robk;4n lvl/7miavelength. What is the ango)v7b 2j4ln;k lmm/irular separation 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 slit 0.75 a8 )um*,lt llmmm wide. At what distance from the slit should a scree)al, llmt8*umn 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 6byjqng29-g d70hzfg 0 10 nm is incident on a slit 0.20 mm wide and the diffraction padqg gb0f20- j9y7hgznttern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An ob*:nnd stte g(rx0(.x izppz(r*o v6k0serving screen is placed 2.00 m from the slit. Find the .t*vz0enrp6dtzs ogpx0(nk ((r x:*iposition 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 incipq8c io okeu6o9h zwz;m5m 02:dent on a slit of width 0.300 mm. An observing screen is placed 2.00ezopomc6qw02uiozkh9 :m;8 5 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating.zt b il1xo;evxiw93 . with 7000 lines per centimeter, its second order maximum ixbvi3 91z.tl.ieo ;wxs 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 gratingp pehi4cwy,:no a1+sy-5jv- v has 5000 lines per cm. The angle between the central maximum and thw:av p py s,e yov-i1-nhj54+ce 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 is incident on a grating that is 75 mm tkjmfe+sl)3.wg 5 qu -wide and ruled with 50,000 lines. The second-order maximum is seen atm ke+)-ujl.q tsgf5 w3 $32.5^{\circ}$. 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 wave.j3xnri8 y3h ktfajc/- -k3vb length 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 diffractikinxfy3k /c -jtr38-ahjb . 3von 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 ceqgljq(,b -9ycskg 6) xntimeter ruled on it. What is the angular separation between the second and the third ord c k,96q)bxl(qg j-ygsers on the same side of the central order when 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 out2i fb ,v305 brn2gtppe into spectral hues by a grating. If the grating has 2000 lines per centimeteb5pge3ipbr t20 ,vf n2r, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the firgf-x0 b(a 9cjq1 o1wzdst-order maximum o o(zc1 0b9fwd xa1q-jgccurs 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 .jjw ib7 0j9fdwavelength 500 nm is incident normally on a grating. If the third-order i 9fw.jj 7bj0dmaximum 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 waveli77m3ut,aly o c:rmh -ength 500 nm is incident normally on a grating. If the third-orderil-rmh7mc7: 3aotuy, maximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is s.de/uv: j4yq1b wq *kg cvgyxga8216b eparated from another glass plate at one end by a bcxgjv6u 21 ag8dwgq4.vk:e y q/by*1strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an ind1t .nh ;r*mhmwex of refraction of 1.33. What minimum thickness of this bubble will ensure maximum refwn*mh1hm.r ; tlectance 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 fil41a0gu kb): fwa fxm0um ( n = 1.33). What is the minimum thickness of m xg01 k:uu 0)4fawbaffilm 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 a nonreflecting film coa0 zu xqduqc4keu*qu. ,-0fuq:ting (n = 1.30) on a glass lens (n = 1.50) for wa.zeuu u0q:q*cuqq0,fk d4ux- velength 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 i (/gadmni 5)phzmlq01h2ab 8qef8z 6ss placed in a beam of unpolarized light and the intensity of the transmitted light is 1. Abz/8dm e )1plzhs 0qm2(a6hgia85 nfq 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 pref- nogyykg 6 n8b7(qljs20h9fverred direction 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 piei,es x26ngpqek1-olc0 g-8bi ce of glass at an angle of xg6o-b gln-ck p 128eiqes0i,$57.3^{\circ}$. 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-analyzerwa;bau c 9,q- im sda59ti81oa combination. The transmission axes of the polarizer and the analyzer are aomiata b 9cuw;,1q s-a5id89at $30.0^{\circ}$ 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 rerbikc875/cu(g)j *n2zmff9nb n9hvmh oj 01p flected in calm water is complhoi( *rgm90f ukjmb5 zf 2)1cvj p8cn9/nn7b hetely 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 polarizer and then an analyzer. In this*4h gynzfy/.us-ksut/+z:0lq m i 0wl process, the in /mf* q. 4gkhsl-:/tny0 izyw lzus+u0tensity 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 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 reflecting offf3t5(982io yy t 8zwgvrieb. m a piece of glass of oe 5fy88giiz3 v2ybm rtw 9.(tindex of refraction 1.48?

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