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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 principok1k h+j +ox ot:/ eq(t l.ysce,zjj7r :xf;c.le.
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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 statemex2m5j 58ncc vb mdk(h5nt?

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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 t9zgix wl:2gad n.045nzr p1bao

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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 /o+nc jd 8)sgl3c agv8attributed 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 intgcot:krpi )+j 5wi z(-yfqo78o 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 (wavelenyi nn8*ug: ve7gth = 590 nm), originally traveling in air, enters a p i*:gyve7un8n iece of glass (index of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavel+ /6qb3 i2a-yiop 4sw;w tetyvength = 590 nm), originally traveling in air, enters a piece of glass (index of refractionb / wpy2i e-i+vyoq;t63at 4sw 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 for light sprea mhc( 6uyw5hw./2qh n3f +hjmzding as it passes through a narrow slitjh.5h+6zyn/mcfmw (huw h 2q3?

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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, w.9hbo.mr tf.9 rczcl- cu-iaa1x+* o chereas light is not noticeably aa. z9xofc c+cbh* tr.u1rmo9- c.-il 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 altesouk 7/f6n/;o pfjryv6 dfz+ kjg* 6c1rnating light and dark bands when light passes through two or more nkryns1d/6 jzj cg7+;f6o6k o fp*fuv/arrow 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 b3g.ah (a.t tc(m5dohfqzn(s( t v c+0ne 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 rays striking a screen are in phas1-xe .cu)nu7 chaxj psjg6:i2e with each otjx.g1auj)nc s -echx:627up iher?

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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 the r/rtr fan2es4wz/+o ) maximum constructive interference is to occur at point sfwr o a/n/t+e42)rrz 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 poi-y34ts xq 07xgzzws09wu j+aint P. If the maximum dest 0wzq-six7+uws g3a9jy4tx0zructive 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 qdj.v- *3u9np:gtcyu of the central bright spot in a double-slit experiment, light from each-jtv3du :n u.c qy*gp9 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 brk1 yn7u(pq kklk6 1fc d0*wh6pight spot in a double-slit experiment, light from eachykp pwcqdk7lf 0(1hk6*k un6 1 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 :e bsx2a oj0y(h4flw3m8 usv6the central bright spot in a double-slit expe m264u s(ayfswb eo8x3vl:j0h riment, 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 experinucf12h (o6sf) sotaixe)*h ,ment, if the separation between the slits decreases, what happens to the dunhsa6h 1(off x)oe*2s ,)itc istance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distance bek:wcl87f nvko) 0f*5afy+6zbp s yjh*tween adjacent maxima on a remote screen is 1.0 cm. What happens to the distance * f7vwyal5)*bo: yh8z0fncskk+p6 fjbetween 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 travels pat+ajq. ubdm1) oh $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Young's double slit w qd(mdd90:jv /)bzjjexperiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obse(jqmd z/9vdj : w0bdj)rved at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a double-dph8 hxid.f 2x 82zrd1slit experiment if the separation of the slits is less than the wavelengt1id2d2x pf8 .hxzdr8hh 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 c g-exu7mlw 1.maxima in a double-slit interference pattern using monochromatcwxl .m7-gu e1ic 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 /hy ,m) *faudtprism separates white light into different colors y ud,h*/mf)a tis

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which alloaa+657 )d jcg8j floubws a rainbow 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 nmzogypa: j(- bdk 91k o:j23eyn 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 lont3a1kz:w* )(g obieujger 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 gfu(m8632 sdlfkpetuyp d5 z/,reatest refraction when passing from air to glass?p,6 s (/ 2pd 5klftume3zduy8f

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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 w i*(u)kdqz2 ycw2li 5jhen passing from air to glq ywj(2) icu5z2k l*diass?

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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.5h1s o34l9qzkp7ov ce, hunt thick glass plate with parallel sides, at s39zo h vo5pn ckethqu.714,lan angle between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distant light source. If she now holds up two fh (-39 t kyocjpjeg0em,(9o ssingers, te3em9o jyk ,psg9(h(os0jc -with a very small gap between them, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the (*q,nd wz 9mv4xt)u ioslit increases, what happens to the width of the cen*xzov4td9 (im wun)q,tral 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 p5y7u 9s(cw gegratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gr(7p9 ws5 cyugeatings.

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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 a gpky+h 3ttfm6534x4a0gmpix. ynm7with the same slit separation, the only difference being that one 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 cf03mxga6447y ynpp3+m xiahk5m t tg.oncerning 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*q t tkhwee4hh-*)z5 x 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 txhts5 uy6idb.bo1c .+tcb m8-9oju /light waves can interfere constructively or destructively, dependingicy+/tc m5 d t.u.-6ohb uox81sjbt 9b 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, str x 0pzgx2,h8ae+g yc3zikes an air boundary, ther+a gp,0zx2e8gz hyc x3e 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 /:u+ q0cldhcud1; c68s pvh rhby a glass surface, 8r;u uc+l:hc h d61sh0q c/pvdthere 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 vieri)b 527s oje)q +h5 +flloxuwwed in white light. As the film becomes very much thinner than the wavelength of blue light, the+q)r)wls7ho 5liuex+b2 j5of 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 wave4yk2wqbg(tx6zd6 j;:t as7 aalength of light 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 bzaqtsxayj:2t67;kw(gd46 athat 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 andnva/n3mh7 n3u illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct conh n7uv3nma/3 ntact?

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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 sunglassf krr bdtmu00a(u)*)g es can reduce glare fr(ukbf) 0maturg0)d *rom 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 direction of polaf 7 zxsa1:zq7frization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like oude7f),jqaj,185n z sl62t7t t0dyy b8e szpa Polaroid fi 2a ld sjeseq,d 8t50n7,)t7oy8uy1z6jptz bflm?

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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 perpendiculps 4g7ot ill 9vt64uyqbidza6n/)(1k ar to each other, what is the percentage of the incident light w)49l 64bz7agtu i6k vlod/sy 1qp(nithich 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 dxskk. m3 k (p4+jx/vesurface 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 sunligh)kr4jk g28 zho,r q6rot is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffractionboxc ykq/j, .6. 2fgon 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 zen 81 lzoge(ytl-bs- v.pith (overhead) than l8 vlz-g -t 1esybo.(pit does toward the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vcsw nz1yogzj 2 g+erl.n mg,6jze ay3v64:j39acuum. It passes into glass, which has anenlcgoz3,e g j. 36j:syay2 4+z9n6zwm1jrv g index of refraction of 1.50. What is the wavelength of the light in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass,zmf50xoho(. *izsh +n which has an index of refraction of 1.50. What is the frequenc z+o(0m.siz noh5hx* fy 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. It passes int6,y1fb z cy tgra01tm:+5sp ;h iwu-mqo glass, which has an index of refraction of 1.50. What is the speit,c+ hm :;bygzmfuwpq1r y5 -sa16 0ted 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 gxn 3ps u+c vk2335fxqfound 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 air3aum-v(yddmtk(t ixhug;+ f7i) ( ,f t is found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the frequency of the light in the liquid.

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in air is i-ahgh5 jj4 6efound 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 ak 5-(mg4tlf k wq5zwlc6,v(l g5vqtw,part. Monochromatic light falls on these slits, and produces a fifth order interference fringe at an angle o(w6 m q5tvlklkq,vt gf-wc5gzw5l(,4f $32.3^{\circ}$. 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 fachf9j/; eyf+r lls on a double-slit and the third order bright fringe is seen at ahfrcyf +;/9 ejn 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, if the seps48zw0e5y prs3a9ohray - tt2aration between the two slits is 0.050 a wps30h-2 rtra5yt8o 9eyzs4mm and the distance from the slits to a screen is 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 w d+xe8v;d k4 :b1qdaf2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the sli xeqb4+f;kdd vw: ad18ts. At what distance from the 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 s8inwowpku/xn9+ )l,u43 (i2k iqa lvlight of wavelength 634 nm falls on the slits. If there is aw+9ox s(liq,n ua)p42 lkw8 /3 vinuik 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 incid7,n +el3vm /mbud q qw-(x9cipent 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 the double slit. What is the separatioqbv7-/ l mc9 m,i3( dwp+qxeunn 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 contaiel3gh1yv q95 a73lq bkning 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 the1 ybklhg a7leq3q593v 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 consistipv z/nxvj/65*ukto x 2ng of blue light (wavelength 480 nm) and red light (wavelengt5 o2xjpukxnt/*/6z v vh 670 nm) 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 of width 0.20 mm.y1k zs 3j6gkgm ),:ll*+ xb;sakke(7qmu iyd1 What is the angular width of the cen kk( k 1yu d*7ybmksg)qlj6s, m1a lxieg+z;3:tral 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 mp96ps5rjc p8ym wide, is illuminated by light of 550 nm wavelength. What is the angular separ5jppc69pys 8r ation 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 incide3u hxo5d z0b(fnt 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 the center of the duf5o 3hxb(z 0screen?

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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 wide+f+y t1*szu4rf1 sj8hy v(zwp and the diffraction pattern is produced on a screen thaz pvsh * y+wt(41jyu8fr1sf+z t 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 58pa ;un ;5smhfvl86,h s0 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find th nvp65 afsm,;shh8lu ;e 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 slity;n z *wk6kbv0 of width 0.300 mm. An observing screen is placed 2.00 m frombn w;vy60*zkk 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 with 7000 l;*a n68tu9 xrs3krzamines per centimeter, its second order maximum irk6 8z9m;*xn u3 trasas 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 linedi4uht(ae-g 6muc2 +q s per cm. The angle between the central maximum and the fourth order maximum isiq24(-ua6+ucd ghmt e $47.2^{\circ}$. 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 gratlq+0+dz yip7 sz /r/qying that is 75 mm wide and ruled with 50,000 lines. The second-order ma zp+0lz i /y+ryqs7/dqximum 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 wavetwh vikls z:6+5.zt oq)4;oj hmx+i;ilength produces a first-order maxij;h 5 ).;6ilh mk+tw4qi:vo+ xzsitzomum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second 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. What i ) o2wdm wv,:e7-ur-ekm/z dlxevk 96is the angular separation between the second and the third orders on the same side of the centem lui-v-k:9ox r/,) v2w7 ddwe6zkemral 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 out into spectral hues by a grating. If 4 /mz+7u58lxi6wzy1k u xjy ivthe grating has 2000 line ijm1k5v ux48x7+y/ iuw y6zlzs per centimeter, 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) is0-f iov-ld *slkti(gxgaw4ueg b( 6., used to calibrate a grating. If the first-order maximum e6si uk(ai.4gbgtl 0 x*-d fow (,l-gvoccurs 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 wavelengthxg1nwnd tqt:,c:/u h sg29x) z 500 nm is incident normally on a grating. If the third-order maxgs,2tc nnq)1t :h:9wug/xd zximum 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 od3kt:e0w to9ock4 /pg f wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed kc0 tg:t4opd3k w/9e oat $32.0^{\circ}$, 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 at one end 6 wuk6jau3x lw)cra:* by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of waw uu*rx 6cjwla63k)a:velength 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 1.33. Whatwyeqe 6lx 3,;u minimum thickness of this bubble will ensure maximum reflectance of normallx, lwu;6ee yq3y incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.3x w+9*4x ce(ub q97avvccuo 3h3). What is the minimum thickness of film that will give an interference when the light is incident normally on itqc xchu u 93xv+4 7vce*9obaw(?

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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 th*6u2f0s) bdaut cx(l cickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 )(cltf 0us6cu2dx*ba 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 oe tka+w :ap(mqev (7e*f unpolarized light and the intensity of the trpa ekva:mt*7( eewq(+ansmitted 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 direjijr6/8bwr( rsy1 v( zpl-w ww /nc9821obdhnction 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 aiv6bog3n .s xnb/g)wn7 r strikes a flat piece of glass at an angle of 6bsbnnwog g7v n/.)3x$57.3^{\circ}$. 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-analyzer comb mf)ebxu/qd dge .i651v .2ripination. The transmission axes oefxruvedb.)g 21p imi/ 5q.6df the polarizer 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 reflected in calm water is 0n qlrik2tt1( completely nk1tt 0ri (lq2polarized?

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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 thw y18t 6(3qse: f xwpsgz0nfg1p w+6agen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. gp+nt1g pzq8was6g :1 s063we( wyxffWhat 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 refjt*sn27 ;e3tx1 s;,pdd sqenj lecting off a piece of qptden1 s,js; e;2nx*j dt37sglass of index of refraction 1.48?

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