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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 princon 6z5m3qv.:i npa j3hiple.
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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 fa4c fc ex c0tsj7in-es x2o3v-1lse 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 u*;aj g 1g8;k2 nnemb0df3 vrmis 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 lightz1ga(47ekyqq uig g. 5 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 jbe; bp:;n;yqga-4pg :/ns7tx aekt0of 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)k qt x3s1kq9*x, originally traveling in air, enters a piece of glass (inxq*t q1k3skx 9dex 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 a1:y ydqu+cayu,sw0lj c1/ph8 ir, enters a piece of glass (index of refraction 1.50), pcla h: +uydcjq801/u,1wsyy 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 fon)d.a j//o71xyo c5 - rbswpe:kynjb+r light spreading as it passes through a narrow n/ckjy:eynr.1+-d p 7x awb)sj5ob o/slit?

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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 buir wyo8bb2r7z)j*tklp 7 ar4 x9ldings, whereas light is not noticeablyk7b xrbr*t2z 9a l y8jp)wo47r 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 respoc:p v;u ivat+/n bcy;d/f 8(bensible for alternating light and dark bands when light passes bvy +8p(/ci; ad: cet;nv/ubf 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 if a aa 5i:w-pw(cthey

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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 stlcs 5 (vizz9 j1w)bow5riking a screen are in phase withw(w1z5cjl 5)z 9vsi ob each other?

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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 vm, t9)fs:iptpaths arriving at point P. If the maximum constructive interferev,)m:pi ttf9s nce 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 diffegrhm:)m) -b3y m4yohr :vy0 mpf.;y cxrent paths arriving at point P. If the maximum destructive interference is to occur at point P, o rfvrymmhm.)3h x-4::yb p y0 gmy);cthe 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 spot in a doublrv cw(-d r16nh4s0zl ; ysff6le-slit experiment, light from each ol1n z 0yh-64 fls(wdr svcr6;fpening 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 , hjuby2f-hr)/, ;lud + sllukside of the central bright spot in a double-slit experiment, 2ul-f,u +s),hkdj bly/;luhrlight from 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 b1r/ xvtzf)ph a2ok:4 gright spot in a double-slit experiment, light z/tro:a)2h 1g4vk fxpfrom

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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 tu-t bt1w )saijp91)kehe separation between the slits decreases, what happens to thea 9uwpkje-bts)t1 i)1 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 experimeat *v *7lxz5qnnt, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in hz v7tl5x*qn *aalf?

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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 trave 4eggt8 p+g,rn xcmy8.2cho2g ls 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 arrives at a poi ,v(w b3hk9ibxe/* dfynt on the screen one-half wavelength behind the wave from the other slit, wxbwi hd(fb/3k ey9*,v hich 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 fringes in a double-slit(blwo 5 zr/-o.m t-i uc3nz1bg experiment if the separation of the slits is less than the wavelength of rc-3m u -tb 5.wbozl(og/1nzi 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-,09 rrkh,vqe9b j8xxxslit interference pattern using mo8vbx,r9jr9 0xkqe hx,nochromatic 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 intt5e17 d49odmgqr *wymo different colors ir do1 tqm*e9d5gyw47ms

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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 rai3dnimtimo*(30z 6/we nu rac8nbow 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 shorted8m.bm d6n bo*sro34ar than 400 nm 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 longer than 750 nm i+sl,ny6j af1 *hk3kme(4xjefs 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 passing from air tojxxq.mim:e)*vf 51+lq 8 k8aq:h tcgy glax+y:1 x5q8kmlf:a*) q8 tvc .mgjqehiss?

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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 ui8/ kut ; /bhu8;: wtne)qcjenndergoes the smallest refraction when passing from air to glassieu8; ;n:/)ht/u ncb 8qkte jw?

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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 sieo) - nj9/i*( tlgqdjades, at an angle between (g9q i-/*ajdl)nojte $0^{\circ}$ 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 ha3 t:q,.ubr:;sjwmvv63.he kwx8sb f olds up two fingers, with a very small gap between them, and looks ws:t qeb,vu:3v;wk38f6r xm ha.b.s j 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 exp jec s0vpkzp9k+bs7+h8j n.o0eriment, if the width of the slit increases, what happens to thesecpj o0jbkv sz.pk078h++9n 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 grating0(jhy-mu16kj )otv jxs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing -okytuh j06jx) (j 1vmthe dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, 7tg8lq6- ggyu 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 monochromati-u87q6gyg lg tc 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 ,vdn y y15att v/*er8qby 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 monoc5-f iehu tor7gc 7na69hromatic light waves can interfere constructively or destructively, de5h9 7-grfi 6 o7tneuacpending 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, strikes an air0vuzy 0wyf kjvbtlh1+a/ )xdg7)0*+yzsh l+d boundary, thereadlfl) wk10+yyhv uxs+bg/h 7v0y*dzj+ z)0t 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 gl0cv.n( j5 /yt 1lx nkvz*3kapnass surface, there nnnp( k0l vkat5cjx 3y*1.zv/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 viewedk4elj w8g;gw 609hiqz in white light. As the film becomes very much thinner than the wavelength of blue light, the filwi6 g4g8 lw;0zk9ejhq m

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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 fluoride, what is the minimulbz;p*udldim k)y e n+cr( )(2m thickness of magnesium fluoride coating that must be applied to a glass lens to mak)b(i mu*d(pe;d2) lyzrn+c lke 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 b *;xbd3. oitpa flat glass plate and 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 contact dti.b;opb 3x*?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsi5nkj7 142e; u7)oq 6nqsaim1qvj r ikxble for the fact that certain sunglasses can reduce glare from reflected surfacesrn7 s 1);qq6xkeiu 27k oi vjqn4a1mj5?

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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 is defln)u ikuabs2 7)*zbf,ined 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 a Pt41nca5ydoosy p* thrd0 ,s)ga8 +5yaolaroid fio40t8,g+sh5d na1 a )*soa5p tryydyclm?

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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 ofmjn.3 m ey/y0qhsn+(u two Polaroid films are perpendicular to each other, what is the percentq3n jsnmu.ym( y+0h/eage 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 frz4isi:r;8z y: qqxp , hzj.6cn+k,s xjom 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 sunligaai5ns0 r+1lr - hizi*j-f fqrl62 -mkht 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 diffractiol ir..xh-3j hon 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 zen5c00rudr k jrk,;ukm 7q.x o;pith (overhead) than it okd5r0q;juurr;p 0x. ,kkm 7cdoes 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 vacuum. It passes into glass, which ha jgk2yl; 9kuo(s an index of refraction of 1.50. What is the waul y 29g;kkj(ovelength 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 ix u: bf6kumy2-bd r,:s 3jisv*nto glass, which has an inde:kbdu6my, s*fu3 ri2 j :xvs-bx of refraction 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 vacau4tu6r 2yy+oq*rm :2 q9snrn uum. It passes into glass, which has an index oa6oy+rqnry9 4 t*um:r su2nq2f refraction of 1.50. 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 o 3p 3yogrfc:07j.thonm 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 inefy(llwmf0 9 1ey,k5 p 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 550 nm in air is found to ;a(jxy. z-fb7l mgf )jiy1l,otravel 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 mmzkp;ly6)+wx r apart. Monochromatic light falls on these slits, and produces a fifth6xp)rlw+z ;yk 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 dou0uxut yt m(00zi (d7ulble-slit and the third order bright fringe is seen at an angle of l0(xm zu70(t i utd0yu$6.5^{\circ}$. 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 separati.lp(0 5 unixk,cjl i1ion between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spi(p x.u5l jl01in,ikcacing 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 2.0 mm, and two wavelengths,qul0c;18nl(ho usa a) gv)f f5 750 nm and 900 nm, illuminate the slits. A screen is 5lul q;osa))u0 8n(g hac1vff placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from 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 wavelena*y5t v 087gkote tl+ugth 634 nm falls on the slits. Ifau8 yltt0 ktoe7v*5g+ there is a 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 incid8gl ua7v:vj /nent on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation l/ vn7agu8v j: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 wavelengthstzy7h9pq5x55l jm2 cl , 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 7 l2h5 m xyjz55pcq9ltat 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 (wavelength 480 nm) and red light (wavelvfyb(to b5f7f/i7 2 eeength 670 nm) is incident on a thick piece o2t(ifev775 y beobff/f 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 angular wda wgn+te0 * xzqjbjb*88m5k;idthbd8bwq+ ta zmx;e0 gj85 *k*jn of the 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 55m ,lg i vsaa/c5z72do80 nm wavelength. Whatg2c7 svao5m /lai,dz 8 is the angular 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 in prkd 0r::al *gu38i.e s1jphxcident on a single slit 0.75 mm wide. At what distance from the slihs 8:e . gpur*j1 a03lrp:idxkt 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 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 incr ax7 pdu*o8-zident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the widtho zu7 -apr*xd8 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. An3/ nobrzaf4;u )1sc i 2cpw0tf observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the b0i)woz213 p; atfunf4r/ccs 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 incidx:pwd-cmvg i l65c.:1k *v )n5fajanm ent on a slit of width 0.300 mm. An observing screen ick5mm aln)fn6 - vjx .d5*p:wi:agv1c s 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 ce r k.az)hf3cyv;2nc,ontimeter, its second order maximuo fc,vny32kcr .hz;a)m is at $62.4^{\circ}$. What is the wavelength of the light?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating h6; x;/ ootejevas 5000 lines per cm. The angle between the central maximum and the fourth order ma;6o/ xotejv ;eximum 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 ruled with 57d8d ;8nhk 4hiaid:ma0,000 lines. The second-order maximuda8nh8d ih7:akd;i m4m 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, lik2l- cdmaqvzh;ii( ; du,e 8q6ght of 600 nm wavelength 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 mu -dkeqldv;ha 6i2(8mic ;q,zm 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. Wxt.m1gz+ m 4owhat is the angular separation between the second and the third orders on th4wto1m mz+x.g e 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 gratim0e y4uzjp n69nmih7bioo1wa y( (:k- 8lsye9 ng. If the grating has 20(n14 w9lnemoh y:ij7 yo6-0 uzme(a8yb9p sik00 lines 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) is used to calibrate a grating. If the first-lrovf3t-d(2y zpvfs 3h ,72c torder maximum occurs t,r73fsvfhpydc t 32z 2(l-ov 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 wavelenvq334uif q )evas fk4v7/)wdcgth 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern isqvs w73qe u ad443fc)k vi)/fv 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 iso/r,qlpit8 :4 bsv bu wgx7*rjd9 )6((ifqz fv incident normally on a grating. If the third-order maximum of thej8 *v69)(rw qux/fid7:zb q sbi4tlr( opg,f v 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 ynjgjf r-b64 x1 v*u l(65nirpseparated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands wuv6r j-4gy( xpn bn1iljf 5*r6hen 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 refractioz; p9c.:uuul -gszi-25lsc pdn of 1.33. What minimum thickness of this bubble wilucp.ld- z:9cgs;uil us p z52-l ensure maximum reflectance of normally incident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is tzk ck9+t)9qcnhe minimum thickness of film that will give 9)q+zcnktc k9an 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 thictd7e i)vnt4 /.hze lxq hp2;2tkness of a nonreflecting film coating (n = 1.30) on a glass ;p7)hld.24nh/zetq v tei 2tx lens (n = 1.50) for 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 *dxdjhoru48 ( unpolarized light and the intensity of the trod*xhr4d 8(j uansmitted 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 47*+pqkg;hef p-qdv tf7 y.bhpreferred 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 piece of gljmqtq3 b*np2f(p 51hlass at an angle of 3nlhjf1qp* b q2m(5tp $57.3^{\circ}$. 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 tls k,y qsp504bi vuw89ransmis4ps9w uib ,yqs 05kvl8sion axes of 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 5qjelwxml6fw8(7gi7yuvwi fj5:r*-v lq1. iits image reflected in calm water is complilr75fwejqflx7iv* w:yv6. 5 (8lq1gjwm u-i etely 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:*e(ss kzjma* analyzer. In this process, the intensity of the light transmittej kemz:(as* *sd 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 off a ojyk dog7 .aaa ;216rqz-2os hpiece of glass of index of refraction 12aj h;saog o6kz1 odry7-qa2 ..48?

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