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习题练习：Physics Unit24: Wave Nature of Light
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 84 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://51fly.win/test84.html
 作者: physics  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 principl-d3tri *u. u4b wu8ahhe.
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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 iq+7oooj;n,c n. j:vh ds a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is attribu z 1gii0j1p 9 b:xes,/juxncq-pac7x8ted to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is attributed)oq1gk -/4+oh.tygpi vvd t,c 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 4 lj c5atwqa)v; gbrnb m,,g);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 tra1j( 3 zukkv1mymt i2z+veling in air, enters a piecmk kj1+2zvymu3 1i(z te 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 (wavelength = 590 nm), originally travkvx*q) j5wv q3eling in air, enters a piece of glass (index of refraction 1.50), its waveleng*3q wkx qjv5)vth

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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 through a narrowlh ..l bz(vvjew+0bq - slil+ v(bj.e.vq-hzl b0w t?

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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, whereas lighthb5b z+yp wa*f6kw6 7i0pub3a is not noticeabp3b*awpbb+k0 wf za65uy7 6ih ly 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 dark banl,- gh; ,l.x plhdix1jer8;ct ;s)vlnds when light passes through two or more narrow slits?cnlxt;es,8 ; ),l ;hx- 1lligv rhpdj.

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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 coherentgd3 nsq6 trn8g 1;0orp 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 sc ld+ srx sl53goc5w,s2reen are in phase with lxwol5,ss g35 cr2ds+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 differ ,y2*ckodg r0xent paths arriving at point P. If the maximum constructive inte ,ycx2org*0dkrference 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 arrivinbizi: p b;wy+.g at point P. If the maxi iwy+;z:ib b.pmum destructive 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 sidkha+;l 7lr7m yatv0 hr v29k(ge of the central bright spot in a double-slit experiment, light from each h27 9m(rltr;gyva 7 kh+k0alvopening 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 bri.zo)k 2*p3i lzoj. niught spot in a double-slit experim ijzo lou3p..k2zi*)nent, light 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 bright sp - znc3d aaqb15;r5lcp1ol d5lot in a double-slit experimebo1lpaa;1n35d q z5rcl5- dl cnt, 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 slit9/ st 7i b0k)p/hxl3ltkv52v e iba+ig experiment, if the separation between the slits decreases, what happens to the distance betw/9l tbi0x3eblv)s27v ka k+h/i5tpig een 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 +le.vliwokmp/cnrluv23 hp0i:( z96 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 l+rm3 wh29o/nvikuv0cl.pi e6pzl:( 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 tr)8j31apaza sy avels 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 poiny3r3 pp m5 +kam2p .is1qa,inay whw:l2z5a3 pt on the screen one-half wavely5r ik:.pm,paqpa5w332 ha3l w1 +zyms2ni paength 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 pweb4e 1wdiwp.f:5l0k5 oa.y fringes in a double-slit experiment if the separation of the slits is less than the5pwkdw5ly:0 1w.b. eipf4eoa 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 adjrcp-cr j 3(e4lacent maxima in a double-slit interference pattern using monoc3prj( cc r4el-hromatic 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 in+qml g/8b6ut9ne3 lexplains why a prism separates white light into different colors itge bqi 6munnl98/l3+s

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allo4w sp,e5bzztq)j ;m+mws 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 slightnpdjcwjhi12 9;5 zes-a -xxe+ly shorter 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 tha(1ybi9f z/j7ae6rn z1piq( g cn 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 passing from -5fdyqepeu c+vn) dxpy 8u3z39 81sugair to glassven3 fp d5s8yd 1gu93p)uu8 z -cqey+x?

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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 re7py1khm i)3o zb7 pa.rfraction when passing from air to glassz7by. ip31o7pm akh)r ?

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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 s6bi2i ku6,zc m1:c n e7/n0t s8peeueparallel sides, at an angle betweu8b ktm 7ee,62psunci /6cn i:10 sezeen $0^{\circ}$ 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 fingers, gjv1 tycu).q1ehgyx(n9( sq11qy1ngyg (.j vcu)9e1ths(xq 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, ifj3qt+jm9l-;hxs/ xbq ;.edfh the width of the slit increases, what happens to the width of the central maximum onhd+j-.xq fj q eb;lt/hx3 ms9; a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the other oncuk)axr v pt) j+t(34oe has 60)jrxa3p(u )kv 4t+cot00 lines per cm. Make a statement comparing 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 slit separation, the6gk ,+.duz 1vcxks( wabw3h(n only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beaksg 6dz(3,x w(bca1k vu.hw+ nm 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 udj e j.w hvca.+r347at3.vhjare 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 light wave9s68qljpt/xtho 3+z5d1rwiul 0 g wl7s can interfere constructively or destructively, depending on their phase difference. One consequenc56l 0istx/9hr1u zgwl ld7+poqw3j t8 e 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 trav ocl5h b3vlm*u/*lpk0eling in glass, strikes an air boundary, ther*lv pm3ohc*klub l0 5/e is

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, whichmn*v,yc ona zf 8v-q4;p/hh l- is traveling in air, is reflected by a glass surface,a *;ho-ph 4mqnyzlc8nv v f-,/ there is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being xfikt so9t)k58p3 t,lviewed in white light. As the film becomes very much thinner than th8o93)f,si ttpl x tkk5e wavelength of blue 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 l6. gm4**wpgzml k-pt night in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass.tlg w*p mz-*g6p4 nkm 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 onbws4s03cb23h+fvgrr j zy, -xcdkj- * a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observedy 3 ,sbxc3r-jzs+j-rdw hb*k2vc04fg . 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 can reduce glz3r zz4 egkzwo;3xs(lnu( -dpe2l s52are n;3zkr lzew (34o25ulg(xd-2 ss pezz 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 is defm6m6 vjaz, lq hk1,hq)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 obtat(o9zq imz 1l*in polarized light in a dichroic material like a Polaroid fil 9mo1(iqlzz *tm?

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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 perpendicrq,vhpzw +x)(foo,;r ular to each other, what is the wfoh;)xr+z( p,,or v qpercentage of the incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surfacc h8+t+c +0a )an(er(j ywh,r,fxp hrne 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 sunlip6nb.- b(dviyd,sq x+ght 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 followad5t yxe ra0.(sz:et7o-:4 .mwc / jkjnedgp (ing is 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 towa6n8p9 v7 43zskdxqouos,ca 2yrd the zenith (overhead) thanoqyax4sszd ku2 9,7v8o 3n6c p it 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 vacuum. It passeso1mx2mnn2h f : into glass, which has an index of refraction of 1.50. What is the wmf o22:nx1 mnhavelength 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 paspnj o yo85k0.tses into glass, which has an index of refraction of 1.50. What is the frequency of the ligh8ok n 5.pjyot0t 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 60orq*kl7a-*iax j5z /e 0 nm in a vacuum. It passes into glass, which has an index of refr qer/i*z 7x-l 5okaj*aaction 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 +yc9xfj vj)k9nm 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 air is found ehu j-w:q 5x1di 6i2nqto 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 thh1,np2 * ,)hpw rcofho 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 e6cx 4ua6/th4 s2,zov 6d sstsapart. Monochromatic light falls on these slits, and producsz ose6v,dauh2 64t /sx46 cstes 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 third o:pdmxnb/l r;l)un * ;c7tj2yqrder bright fringe is seen at anlqnnb;:yj*dlc2mxp ) t7/; ru 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 exp- x ;dreihml25eriment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between 5-milr;d 2hx ethe 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 slk-yx+o 1c9 rxxit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern foxr-y k9 1cx+xirst 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 apax*tnl3 b th*r*lht7 )yrt. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interference fringhh7t*ytbl*ltrn x *)3 es?

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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 setup that jhufs; l14a) jp4x3m whas a slit separation of 30.0 mm. The resultant bright fringe separation is 2.h;4jj1 ua wx 3slf)4mp15 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 wavelengthzrp8d,6pa nw;k td)d /s, 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 bdd,8n6z; pk p d)rat/wetween 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 (wave:exayw5ep/e: j9 9 qxj:ccl5wlength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of gl:e5a:y 9wpw x95/je:q x ccejlass 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 w qyecom6m.-/on a single slit of width 0.20 mm. What is the angular width of the central difmy-o.e/ 6cmw qfraction 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 mdcog/8c6n(n 5hpjg a72 /fkrm owp8 6tm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on g(pt25h/f6nk oa6co8c/8nwp7 md jrg 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 wrds5 m-9n9n/eqje(kd ide. At what distance from the slit shonerjk5q9-(dn9 d em/suld 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 incident on a slit 0.20 mm wide and the diffr mjh)-2xek2yr action pattern is produced on a screen that m)xr - 2yj2kheis 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 inc c7m-d 8t);tbzzt 8d kslvv-h q2kw;,yident on a slit of width 0.300 mm. An observing screen is placed 2.00 m - zck,l2hq8 bs8 z;m;wt-t dy7dtvvk )from the slit. Find the 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 szi.leisp +v 62lit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width o6v.e 2+zlsi pif 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 sd0gfp**z ,ga a grating with 7000 lines per centimeter, its second order mzf **d0sa,g pgaximum 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 has 5000 lines per cm. The angle between the central maxi3oza x 4;bcx 3y b )nq9iwes(ad,vyv0;mum and the fourth ord;d xb3 bzy,9c v(na;0wx)es4ai3yv oqer 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 widuldqq5j f7ai )xjw4nn7 .ab ub2 3i4a)e and ruled with 5aqnx4uu2q n 3abj 74ji5a)w7bi.) dfl0,000 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 wavelength produces a first-ordersc9skw p( i-*r 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 diffraction grating. What is the wavelength of the liwksc*sp(-r9 ight 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 has8go;wai s hdl.w*2k l( 6000 lines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated witwawol . ihkl(8s2*g d;h 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 sprea cnfz.78i2rifa5*x gg d out into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear i i x5ac.7fign*gr z82fn 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 firsfail( c)*xqy7j/+ vwevsh* .u t-order maximum occurs at w*fvchq/i evy 7+u(a*j x.)s l$20.5^{\circ}$, 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 wave/ uo9c .3nwri 2ytojn :/ckl3alength 500 nm is incident normally on a grating. If the third-orderj w2n/oy/c3nc.o i:t39ulk ra maximum of the diffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm:*tduqv ; ii. fub4pvx8he0y( is incident normally on a grating. If the third-order m;e4y .bu0ti ( hvxv p*u:if8qdaximum of the diffraction pattern is observed at $32.0^{\circ}$, how many total number of maxima can be seen?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A glass plate 2.5 cm long is separated from another glass plate at bk++rw.b 8(bl9n jnk pone end by a strkw9 jblkn r8(bn+b.p +and of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index wt;s:y bx3w u)of refraction of 1.33. What minimum thickness of this b)uw:; 3wtxsybubble will 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 tagbc 5w:rdu /* m/e0wehe minimum thickness of film that will give an interference when the light is incba 0/e: /gwmrewu*5 dcident 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 nonrap zikzj.,l v7:kot--eflecting film coating (n = 1.30) on a glass lens (7i.jo vl- a:, pz-tzkkn = 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 unpolarizemy 0scw1+y/cjitx r4h+ 7giq5d light and the intensity of the transmitt7wg/0scx r+hy51j ii tc4myq+ed 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 itskh sz2kc ;kj5: u5rzg3 preferred 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 flo33myjxf or0cw7d ) et 44u+veat piece of glass at an angle of uc3+ de4o)ytoxjew0 f4vm r37$57.3^{\circ}$. 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 combin-b/ dtp ukb)( i8q4xaxation. The transmission axes of -(8)kx /dbbpu t4 iaxqthe 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 2/0ea: este uiin calm water is completeltsie ee/0au2:y 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. ;bf7 qyw ea2s -jr7r0;xh;-xhl .nksr In this process, the intensity of the light transmitted isqsx ba fk27s70.xhr; rr;e-ly-h w; nj 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 )q;urg+y)odltgb0ozb 89zi epu4 :/ sa piece of glass of index of refraction 1.48bgd)rzqebz8+ou9 os:ltp0ygu /i4 ) ;?

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