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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 principleqi rt(me9-* 4, ufeaya.
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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 state)1vi3yxq ubr-*4p,aguly zvk*8 m:izment?

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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 lp0ib(y4etd: n ight is attributed 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 ishel9w pdf0a jf,)s6n) attributed 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 enter:t lk zap2x b;7uhw37es into 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 travelii 2 pjlwsp -0vb7kc90dng in air, enters a piece of glass (index of refraction 1.50), its frequenvpp70k c0 sd2bw -ilj9cy

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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), originpqm7ry9q 7h)rsik m) *ally traveling in air, enters hq m7i)sk7rq *r)mpy 9a piece 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 for light sprb37 k)njjjkl( mqt l +y9o*ou4eading as it passes through a narrow slit?kl4 lt7 3o) (y+ jq*mu9kjnboj

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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 azo8vxaq jn:6(h+26r)gve xcj s buildings, whereas light is not noticeabl xcx(z62vh) orj +jn qagve6:8y 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 jzhf-9r/h; 4ph l lufea3,q)d dark bands when light passes through t/ l-ljf4r,ed;fqu 3a9 )hhpzh wo 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 tft/j5e 9mcwg4i, p-c qo 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 sa1.hqgtwe21w vy that two light rays striking a screen are in phase with each othe t.q1hw1 vg2ewr?

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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 tra5 1vmxjkz t4) lg9gximy2i1s .vel different paths arriving at point P. If the mik9t l.xm4xmygj211vgi sz )5aximum constructive interference 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 poi9vexdkl 12wr ua-f/s)fq2*az nt P. If the maximum destructive interference is to occqz)9 ud x-a2 v*e12krfw/ aslfur 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 sidep,m s,: 09x7zohyfd ht of the central bright spot in a double-slit experimen7,,9podyxfth s 0z :mht, 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 bright spotc:9zfid.; xz q in a double-slit experiment, light f zz ;c9ifxqd:.rom 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 z ovsny( e0i21bright spot in a double-slit experiment, li e(0v2szyo i1nght 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 experj:)w:nwvs slr66cg w i,ek)-viment, if the separation between the slits decreases, what hap l),-:6ijc:wwv) wsne svkg 6rpens 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 experimen qzvi40zz ):yot, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjace:4iz q0zy)vzo nt 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 path uofa+bvj1c:x . /f jajn,a 59h$P_1$ 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 sli z-av2 jchy)0ft experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that poin jyhf-2a0zv c)t?

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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 interferndabuquovhu00 9dv6 imd3:+7 ence fringes in a double-slit experiment if the separation of the uv 7nqv3om 0abud0d di+u69: hslits 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 me ym; f8eti8gq;etyz7akz8 +a;fcsg .:8q0h taxima in a double-slit interference pattern using monochromatiz ;y ;z8e7+.ef8tt q 8:c0tgkgqa8a ifmh;ysec light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light incg9vd o-wvd 0,to different colo-v dcd vow,g90rs 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 5jy d3 x+0ftoeallows 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 nm isgc0e6dn5vjka 42f ac ;te/m,:g w6ohv 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 thk*pssg 1 7szz8uc;dj*an 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 when passinm.fkk7o o5 7wrg from air to glas7 r75. owkkmofs?

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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 thd-k xqyrm+,efh 4o l9t;;rwq8e smallest refraction when passing from air to glaq4 ,tl+rd;yer-wx k; hq9mo8fss?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with parallel s g +7oxdy+*1 9tadhtci 4zc-bsides, at an angl4 * s9d7yocbig1 atz-+ tchxd+e 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 disw.hak bgb(1 0ntant light source. If she now holds up two fingers, with a very small gap (0 w1kgb.banh 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 tt g wsqfcot8)76s 4/zthe width of the slit increases, what happeng/ fts)z6ws7 ttc o4q8s to 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 4000 lines per cm and )kbtvd(o ) rr1the other one has 6000 lines per cm. Make a statement cod b)r 1v)rtok(mparing 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(sem *nnxil37nd2i-s slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If bo2 en*s3-ixs nl(7d mnith 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 bzq. a154cu(zm u( qivry 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 interfe84cwjf vl58h)fe xv0sz/5y upre constructively or destvp8xfzf8) es5lw/4 uc vhj0 5yructively, 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 traveling in glass, s1w7 dqjnr) tfshf+89;(rn jyn trikes an air boundary, there i 18wtn)dh7qy;9 jjfnrnf(s+ rs

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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 th3 +2q n:txwipj,q7,msg 8jr hraveling in air, is reflected by a glass surface, tji ,: 3h w 7ng2+,jtrp8xsqmhqhere is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very thhwf;c6itt e i-1+k.u6-hiymuch thinner than the wavelength of biht1 ew u;-i- htif.6c+ tky6hlue 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 flu0cq zoyzt 79cjw2g-gxin):; l pi 7u2toride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting f2qcx79gn;ty 7zguw:z2 o0-ticlji) por 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 gp- et5( /0ot e(og7ldph kuvi-oqwf9(lass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observd( 5ftp-ke 0l9wpo o(7eh-u tq(oi/gved. 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 cannpel imt ;v+o gn 5/b9bzh8g71 reduce glaree9gh7 n ot;/mvbpzb1i5 +l gn8 from 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 direfp83 i cw8f14ps/ ujpyta: h 15oqh;2,jvmiq kction 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 rsmh/ and-) 2dgp5uq 8obtain polarized light in a dichroic material like a Polaro/umhp5d gr2)qan sd8- id 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 each y kqyi.wtrv.y/-2/qxzb8h b1 other, what is the percentage of the incident light which iqyy tb8 k/.wv2 q/y1.zrhx -bwill 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)m gq1hz bno+ :jt.vl/xy-ercb+h s*) surface 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 greate267 zsefnjl0ov4lsqin.qx6dj+0s -n +pk i5zst 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 exhibihh 3y1kz8i .h*8vz kt k/:nlxdted?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith (ov,e9ip0c q(bsiut:7cherhead) than it does tow ichs, 0 eu79it(qbcp:ard 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 vacuum. It passes inukze(44pon wc w.;*nw to glass, which has an index of refraction of 1.50. What is the wavelength of the light in k4 n*.4ecuwo(wzpn;w 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 has an x8d(0f;5gfpstsho p, index of refract8ohg0xt; s ,fd( ppsf5ion 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. It passes into glass, whichf76 y hlby0f:yd4;yjf has an index of refraction of 1.507j ;fy: h4fb fl6ydyy0. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vac 9l,/6hmizy6h dyel2v jy ;l3duum 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 fou:64be ag (ci4.l1svhv km6 qfbnd 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 found to tzza3e 4-v- eyvravel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart. Monochromatic light falls on these slitr4 joy/* qacwd1s-w9 ws, and produce9swy /wr1 woj-* dacq4s 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 and the kyn0y7mm/*: kq,vywethird order bright frinvnk0y *kym :,mw ye7q/ge is seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between th uo+8rtuvd2 u)4selj) 9fj nv)e two slits is 0.050 mm and the distance from the slits to a screen isjvrl9nd o 2u8) t)+fesuj)vu 4 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 separa 9wf(6)t k2ilxv c/nrgtion 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 xl n9gr(/vf2 cwkt6i )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. Moomjww4c g2*bb/b/9aq0d*2fc i-wd xq nochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, f goabwj-cx wqbwqm 2d 2*c //409*ibdhow 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 incident on a Young's double slzr ys+dm o1p-t-+*77bwqwx zlit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is q z7 pory-*sbxl7m wt+z+d 1-w2.15 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 t3k (l; s czcd*k2:pk-ibw:o)0-alp nzc nz ,mgwo wavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of i-cw)pz k;coc(2lbp:* kn3zg0d : as-z nl,mk60e. 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 vpz2 d5)x1w/ -ut 2u7gg:si49)evn p lvhgolhblue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick pnlv)w)eu1ps -hhx 9gt 4i5 ldzvo2 2:u/g7vg 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 0.2dy rxxtl3w)qx+by0n x) -q q6y 96xxr+0 mm. What is the angular width of the central w)yy lx9qyr+tn63 - )b0x +xdxq rxq6xdiffraction 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 wavele /28u; wii7iihdmf+r xh3y /iungth. What is the angular separation betweef u3w;2r7 d /yimi 8ui+hhxii/n 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 mm wide. At wha mgzi+sfuwgsvp,8oc i8+ q/3,t distance from the slit should a screen be placedzi+/v, mcqgfs8 3w,p+iuo sg 8 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 on a slit 0.20 mm wide txf .x le-:si+and the diffraction pattern is p.- x sxf+:leitroduced 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 k8eg8in*k *no4r wli8a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the88 lnk4*egrnki8*iwo 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 sef, bi3l;fo5g+x9sl z )) dqzulit of width 0.300 mm. An observing sc 5)l)ed i3bx+uol,f;z9qzf sgreen is placed 2.00 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 with 7000 lines per centimeter, its second orde:72. ej3 -v kuzrisdisr maximum is a:u-si .7rsz2vied3kj t $62.4^{\circ}$. 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 line4zs :jnt ua6zlt9zn 9-i5l*q ks per cm. The angle between the central maximum and the fourth order maximum i4:96a5zn9jkn-s l*i tqztu lzs $47.2^{\circ}$. 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 if7firwjo*s-e dx:)j + ncident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum*oxjj7) rews :i-ffd+ 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-ordexw,q a t76o7sv s6k8kar maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-os76ka 8t ,vs6a7wxokqrder 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 is the 5(6/a: h2ug in yrprdmangular separation between the second and the thirdpi 5yruang(dh6/: 2m r orders 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 out into spectral hues by a grating. If thl gz09 kl;-o o4z,opmskg5:tqe grating has 2000 lines per centimeter, at zlo,kgq 4 ;5pskl-t 9zgoo:0mwhat 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)mo bt7t5vtv,) is used to calibrate a grating. If the first-order maximum o,mvtbv )5 to7tccurs 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 incident normally on a grating. 2mlwsy.m6l2 h If the third-order maximum of the diffraction paym6l2 w2 lm.hsttern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a gva* 0j747wyywu uyve6ns ges;g/9e 5urating. If the third-order maximum of thye ww4un09 gv/v7*76g;sueja yu5eyse 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 separated from another glass plate at one egmekd-: s 5x/tnd by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent inter5:gektxs d/-m ference 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 refr 6: z3pm9h- .r.)agy icdjznhhaction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nmr:iy-h)z h..z ng j6cdpah9m 3 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 = 1.3wm l3; /8hcxzx3). What is the minimum thickness ;x3l8 mc/xzhwof 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 a nonrezr+agax*y1z8 5x) nez flecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelenga1re5 8 ayx+gz*)nzz xth 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 by0; 1ej kebr ov:m ymmk73:7dqeam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated :me1kmr07oe q mjyyvd3 7b:k;$40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction rotate 7i; qlec c(/y1txsjw)d $30^{\circ}$ 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 kvy 4 qu g6lvo,( s+*e7j *t*fmjh* ie7g4kezgstrikes a flat piece of glass at an angle of *4*j *vl4o egeemkf(7+ ihz k*gg 6 q,jty7svu$57.3^{\circ}$. 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 combination. The trans-r -rjwtd -ce qv5o m4x8g:2zamission axes of the polarizer and the analtv r:8-4r2-ex5-mw z gdqjaocyzer 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 ,8 i*q+tc3ak.v vpoyc the Moon when its image reflected in calm water is complete ,v.+v3yip 8takcqc*oly 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 thegmhzpn/ 0qc2 0n an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the a z0ncphg0/2qm ngle 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 travellub9z dpo.5i8y*ap 7fi prv.4 ing in vacuum and reflecting off a pieci4fipb.p5lr 8z d9.up7v*aoye of glass of index of refraction 1.48?

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