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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 princchq,dpawi73/ x;r 6nw; v.mfb;ln+dw iple.
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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 statementlc7)a2xwy2 6mok obk (?

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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 lighj7ih3r 10jw lhwjo;0dt 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 l/fp pf v)x684m)au am5-hsxm ek1y-ogight is 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 enters into a medium of different rear// 3b)--8 q2iqnts idpz u4+ckmooptical 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 (wavelen 0e6mf7t ji3c46rydp fgth = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.meir0ft4pd6fy 73j 6c50), 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 =ga j 8vu1lr;m(r kxo,jtk9,(i 590 nm), originally traveling in air, enters a piece of glass (inde;( j vku9ai1,,xrlrtmg(8k o jx 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 spreading as it passes throuj frns oaf)wnn),,7 8cgh a narrow sl)n,a,n )fnjrc 8fow s7it?

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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 obj 50vujd1fc e;zdx j8h,ects such as buildings, whereas light is not noticeably diffracted. Why is 5huv xfe;0j,8dc dz j1this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark band3mjoqnd:2co)jyke o0oe+i at2 b075j s when light passes through two or more n7q+mo ikoeta 0)ooj e3 :0njyc522b jdarrow 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 if th6n6ki r; qcrh/ey

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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 phase nryp8 03 74:xdicijv;e zhsy7 with each othep cxjd; 83h0y7e7z4vn:irsy ir?

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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 arrivbw)khkv/ju1) 1xt 3geing at point P. If the maximum constructive interferenck31)xek) h/tv g 1buwje 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. If th9mv wcf3h)6j8-km )fxrur , g+js/eqhg( 2 rshe maximum destructive interference is to occur atr) 9sq)fw rjmh h3fu+r,hsgm-2 x/k6v(eg8 cj 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 the central bright spotlfq-h 5k jpv wj e+q)si39ys0( in a double-slit experiment, light from each opl )skvwpq0(+9fqesi3 jy5-jhening 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 in a do 1iz apfp,isu;irqt5 (/ p2.reuble-slit experiment, light from each opening arrive;2ripaistr ,.(fu5 i qze1 p/ps

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in a double-smandixxr714d5l7+ 6/j g/ofxh zf7golit eoz1o g45 axfir jlh/m dxd6x7+/f77gnxperiment, 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 experiment, if the separation between the /de0jty jd wzs9 0 ;b)yamw4rv 8k3n8kslits decreases, what happens to the distance between the interference frin4sj ;w 30jw)kb8aryt n z key8dmd9/v0ges?

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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, ia atm+): xyja3eb, )tft is observed that the distance between adjacent maxima on a remote screen is 1.0 c:f mja+ ),t3)eytabx am. 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 coherent light traw /8h/r7ytc*xbu7 (lr- c u+4 rekhhxmvels 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 double slit experiment luj( ei 2+q((4erwkc n0 :zgqcarrives at a point onu4: gc ik wrq02j(zelq +ce(n( the screen one-half wavelength 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 interference:z qe2gh9(u4dgl4yr u fringes in a double-slit experiment if the separation of the slits is less thauq rug( 4zedhy2l 9g:4n 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 interfere aplqd9n6 8dk h1u.1djnce pattern using monochromatic light iuajhkn .961 q8dpdd l1s

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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 into difftg/f gq ,b)d.yerent colqgt/. )d bgfy,ors is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a raifo ph hel0z+08nbow 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 cal9f5 b hky*o)avled

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength sli1f x i+h 3j- vk-ntuehxiov(22ghtly longer 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 greatesn;; c/lt u*bupn-y*d+n ltq)jt refraction when passing from air to gl+unt; bp*nj);qcdn/ ll*y- tuass?

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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 unqhui;0lo+n 6kdergoes the smallest refraction when passing from air to lk0o6qi+ uhn ;glass?

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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 sides, attzs9g+h1ro95,h vc q d an ant,9c95qrovh+ s zgd1h gle 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 distantc f1ta5gb 2z(ob c-fi+ light source. If she now holds up two fingers, with a very small gap between them, and looks at the light source, she wilcg2 zfob t+a(51-ci fbl 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 -fixkz*g0jh0hfl uw n,(81 m jthe width of the slit increases, what happens to the width of the ,0-1gul8fxj ihhw(k0z nj m*fcentral 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 40 f3b lh+uwta;ey19qaz o/,)ii00 lines per cm and the other one has 6000 lines per cm. Make a statement comparing thea1 9;qyil ah+u)3ofwz,t i/ be 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 sepap0g0k 0p sn/b j.ipcr1ration, 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 concerning the separation betweep 01j0bp0sip.nr g/ck n 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 a/o +x-bk rjdwutn 9)vfk *0t7slick are caused 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 lieh.vxgy .)q+rfo4 2sro(hmx /ght waves can interfere constructively or destructively, depending on their phase difference. One consequence of this ph2 vqr(o x4+h.meyhfg/r)s.x o enomenon 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, strztnk uc7 -epk fkrj( s98di:si1 dc34:ikes an air boundary, there 3:1p s- (skdr7kzdjtiuc ki:c e98f4 nis

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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, whichf4 ,6tpezi5 iy is traveling in air, is reflected by a glass surface, the,tf 5ziy6p i4ere 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 w-t lwf+/g/ ul4s0jnicgr3hz bfb4 5)uhite light. As the film becomes very much thinner than the wavelength of blue light, the fil45b-lur4/n ightu3) lb /gjwf f+czs0m

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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 9a2wv *wxkmlka*n8/ xlight in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applw*v k*l /9xkax a2m8nwied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass pla,h5/lieea n 5e. y;mqvte and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does ,nim;v5qh ya5eee./ lone observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain sunglasses can reduc(;t h50eay h5wvf b1ade glar wthd(;ea15 yf5a0vbhe 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 direction of polarization i +g5 -0gzkuzohqaff *bxmg- a9/.zjk- s 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 lighd khk(6/w5ws xt in a dichroic material like a Polaroi/dkh6ks(wx 5w d 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 perpendicu614kt-c6d k4i; f7a x 8ovb5qdkexn hwlar to each other, knt-kaxkf 4hoi1x7b d4 6v56dw 8; qcewhat 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 fd26 egf7mhzrh wku 3,.rom the 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 sunligh9hrol 6r4 7 l qavns:yfz8+y)st 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 n( k8rxpmlrqg0*( m0bzir( 8v 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 toward the 3+/yvqjjhzv8 3 gpz (lzenith (overhead) than it does toward the horiz8(vpv/jl+3 qygjh zz 3on. 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 passea9r jx x*qe(y*s into glass, which has an index of refraction of 1.50. Wha(qa exx y**9jrt 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 vacuumyni6jf7v-ihd ( unsj w48.j u(. It passes into glass, which has an index of refraiw (jj4ujfdy (hn8 un s-6v.i7ction 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 wavelengtmp b2d,e+bngh)i9v c8h of 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the spdbph9b cn+2,)vige8 meed 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 55vspst;t2y(/alklz y *4e/ed, 0 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 ai/fr hg ,s5h lt:bxai76h))snbr 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 v bleikmmwvn (/sq n*1o7+23 xis 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 falls on thes0-uhg p 6 qwe867xfeq uzfy:2ke slits, and produces a fifth order interference fringe at an angl2:q8pq7x 6f wek-zu6 ugyh0fee 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 third order brigh+lj.ptgpa-a+ kzt 6utn977t gt fringe is seen atp+jt g7 z.tntlgk9p+u6-7ta a 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 the two sl5pk,c e uha9.xa(pyt( its is 0.050 mm and the distance from the slitycat k e95.h p(a(xu,ps 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 :f 9) bd-qmralis 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 brightrb-mdfl9 q a:) 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 light of wavelength tr1d vfvd2 3l-ay ov/y+rg j4+634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent int d+r/jvgydya-r lo23tf +41vverference 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 slit setup2.5 wr ock6bg2kin a4u that has a slit separation of 30.0ki52.ak2u4c rgbo 6w n 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 the third-order bright fringe and the zeroth-order bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nm, strikes a gvm1bllo4 )b8,kla/ j.d3ii2 ervo v :plain piece of glass at an.8l2 vo/)bebl3rv gij:davl1i ,ko4 m 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 (wavw071d pjy.p fkelength 480 nm) and red light (wavelenpyf dp 71.jk0wgth 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. What is the angulg47 cq+z8b+ srwv +lb3o(fpzg ar width of the central gr q4vog+bwc 3+sf+l (pbzz87diffraction 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 i:xoibt 42yl 2clluminated by light of 550 nm wavelength. What is the angular separation between the first two miyb:2c t2lx 4oinima 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 ioxq;9o:guc ;zs incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed ;cz9 q;gxoo :uif 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 w 4uk0j i+gy y*zm(/:dkl0retcide and the diffraction pattern is produced on a scr t:kj d+/kim4(g*0ue lr0cyzyeen 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 1poq38eu f5sk0) vyn7kzd dr jj3 ,g+jis incident on a 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 fromk krn3,8 1eq gsdu70jjyz 3o5v)fp +jd 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 inc 64 x3j*,sdnq.mf tcedident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the centrald3mdcjq,6en*4ts xf. 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 centime2/fxn+bmgt,x-*w dy7 yxl:; wdi jjkp0q;m 0xter, its second order maximum is at,jkywx;2 :+d w xpl-0tygxqm0jbm;i7n *xfd/ $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 5000 lines per cm. Th-l3 r/duw3,evna .eoie angle between the central maximum and voer/awu .-i 3 nld3,ethe 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 wide and ru. ixa5lckjdci q1+ t:*led with 50,0tci*.jld+1q i5 c: kax00 lines. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm waveleaxc(y0-j/:nyzk s5gqs *xfpzc .9 o-ength 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 dijf z*-ycn:05/ pckx9.yox zg e(s qsa-ffraction 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 linw 6ppu zx*xr8uh1kd0 0es per centimeter ruled on it. What is the angular separation between the second and the third orders on the s00 1kpw p*dxhxru68zuame 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 h s4j 8p9o2)o ej*zeejut+p6vdues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the fjp9od*o jp)ue 2s ej t468z+veirst 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. If8,g-k.qo:pz mq uiwv(mrwu .7 the first-order maxiuiwr k zqoqvm.- .pw,87u(:gmmum occurs 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 grati xfy,b:+ v5qfb)ys tz8ng. If the third-order maximum of ths:xt +yb)8 f5zbvf,yq e 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 wavelength 500 nm 6d9, b+giykuzr h3f.e is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed zri.6+bge3 f yd 9h,kuat $32.0^{\circ}$, 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 onenm-n:b3 j /x/jnbki1y end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewe/3 njx 1-mbynj/bn :kid 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 ss dhb;re.8 e6il1 2mzof refraction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength ligss 6;1erz 8 .bdhim2elht?

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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 so azc 4ic:b8 k35a6tmehap film ( n = 1.33). What is the minimum thickness of film th eckcitbmz 3h4a:5a86at 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 coating (n = 1.30) onon .pay2 /x6nqqb.k 3l a glass lens (n = 1.50) .o3q2/ p.xqn6knyab lfor wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and6paor,r ga.i6t*7w wh the intensity of the transmitted light is 1. A second ideal polarizer is platw*7,oagarw6. r ph6iced 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 direction rotatedww,g) lic6hc : $30^{\circ}$ 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 pi c8e4mv1krv)dece of glass at an angle of )r4m8vvdk c1e$57.3^{\circ}$. 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-anal*)up wkvk(:+x/xt5y1dc owqf yzer combination. The transmission axes of t51vyxw :fktxoc*dkq) ( w u+/phe 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 i64d5 yk 4jn-xa-lo lyemage reflected in calm water is completeax4d-- 5jollkn 6yey 4ly 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. ra847 ni q6; z0pxeso5oo2ubm In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angleqrb n0pu8m4z5 oeo7oia;2 s6x 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+4mao;xw-38o ru tp:ro yfj:d ng off a piece of glassa4o :+p3oo-rmr;:u tj8fyd wx of index of refraction 1.48?

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