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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 princijo 8or(f; ch53ogbc u2ple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followingq-1 fiod12r gx is 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 attribn g 2x2jls6q2+ry bk/luted 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 attribuks 3z yu( a :;nxf)tbuc*/rjiw7g o6d1ted 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 ente 9(xy78zgpweyeujp+fbk j+ 3 0rs 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 traveling iquz:h2q ge0/5wz re :yn air, enters a piece of glass (index of refraction 1.50), : yh zerwz50u2eg:q/qits 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), original+hfo 3md u ua.dt 0l24jypq 5*(jc3kttly traveling in air, enters a piece of glass (index of refrhdyqtk.5 a ptl2 t03m* (3uo uj4jdcf+action 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 )8ud,ljxo a ajwm0r6. spreading as it passes through a narrow sliad0wja r.jlomx, )86ut?

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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 b-n7ik wy 8)*4w uukopb:ro )cp-tu(zx uildings, whereas light is no8k4yi t(uwu*-oz p :nxwcbo)ku7) pr-t noticeably 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 bagm4gd vpy( 3bh60p22pn,sjd znds when light passes through two or more naz0g,vhjp4p ps2d bn mg(y6d2 3rrow 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, tw r2zcted (xzn)87b said to 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 say that two;bd iuq9vi)(g light rays striking a screen are in phase wiv;) 9iqdi( ugbth 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 paths arriving at poiy9;kty( -x 9j.gqntkl e 24kwlnt P. If the maxim9;k9-ylqx nktl 2gwk.t4e( y jum 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 pd))2wi jhbkp c q)e13:k8l axuoint P. If the maximum destructive interference is to occur at point P, the two b kk2)d ecluhx3 j)b1a:wipq8)eams 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 re4uvwig)d j/s,. f0k spot in a double-slit experiment,ek4rd ig). 0jwvs/f u, 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 ei fwnkct1 c9il. 3nqqdo7f8x26ther side of the central bright spot in a double-slit experimedinq f7otw6 8fn9 c 1qc.23lxknt, 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-nupf-f.js4d wx1xks7l7c5 o on either side of the central bright spot in a double-slit experiment, lcu s4fdo 5ks. 7 x1jlpf-wx-n7ight 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 ex 98 w,n3tjg: x6alojmp ((cicmperiment, if the separation between the slits decreases, what happens to the distance between the interference cxg amoli3,j :mj(6t nc8(9p wfringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the distanxrwqwh ,4.2/tkq1b w;4 hvtl sce between adjacent maxima on a remote screen is 1.0 cm. What happens to the diw,4wqvbhwt.ltq;k xh /1 42srstance 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 qbs8 h763p ukxlight travels 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 po zryxfq.a dt/7f.qd65r a9/t 1q 0 iebivo31rfint on the screen one-half wavelength behind the wave from the other slit, which is xq1.i65/qdbotrerfy 93 /fzdvf1a t7a0.q riobserved 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-sliwatqo7h 51ee ir*7whi5hrj, 06x5sgvt experiment if the separation of the slits is less than the wavelength of the ljhh5a*5 g x7w veihrweq0s,oi167t5r ight 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 interference pattern usi) 7c8jllmd2k c+rpc1cn 2jc8ckcl7l1)cpdm + rg monochromatic 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 expdlz*m6jc5vh)/x,0l ut m jw1u lains why a prism separates white light into different color hctwm60 v1*l5 ,j/mj)d ulxuzs 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 rainbow ton6 hpnkz(pp6 + 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 wavelengthzal,)o sjl i0,w0og:i bl:p3u slightly 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 longtcj/xp/klc g-9 (uglc3 n87jker 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 greatest refraction when passing frtvmtrpma pk (u7j8h(2auf ,12 om air to gl7 m( a f1jh22(rpu8tpuak,v tmass?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when pas)7teroj(: (+otb+ zl009c 69mjv bgyw moqczdsing from air to c 9bobljcqre )(9vwozogm06m(tzj: +y7+td0 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 gl-ql /w1bc,+ +yqc.5uirshx kmass plate with parallel sides, at an angle betweek/wci mb+x- cru1 ,q+yql5.shn $0^{\circ}$ 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*1aet7zk s):(opiutm , with a very small gap between them, and looks at tus1 ak:) *ieotzm( p7the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the sli8b0icqk n :1h scpo.pzjt6w k:f:n6f3t increases, what ha::6o80 it.w61fkjpq pfn hscz:ck 3nbppens 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 the othje . omr0jv5ytgj s:97er one has 6000 lines per cm. j:rt.o50vjy9e m7gs j 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 se80/sxns0ft1fm uf*9v th(eniparation, the only difference1fv/un (fxn 9 t h8*ms00istfe 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 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 by ref:9kmx kgy*cqgz+0 , p1g 4znuwlection 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 monoowx( vt(g;/61ejv ok hchromatic light waves can interfere constructively or destructively, depending on theirox6kg1wvh ( o;/tje (v 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 a-jjh:f9 b l/mf,0rnhc n air boundary, therhf 0nj,lfb :mh9r/-jce 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 r g 2cspttn d/3sep)d.1eflected by a glass surface, edt /cpt 2nsgd3.)p1sthere 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 becomest)jw1m m-qalzen3k-6 very much thinner than the wavelength of blue ligh lmnw 1z6)qmt -j-e3akt, 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 fluoride, what is the mi/i5ismko ktac0 ;jhus-b 1 v.oa4r.q) nimum thickness of magnesium fluoride coa. k ita0s4jiumv.k-;5 ha1o c)q/or sbting that must be applied 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 plate and ill7k5;kpr kqi n r2ee(3tuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observ 27pkrk( 3e5irt ek;qned. 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 certainwl) j+wxqf wwt+41s+bht gt+y5:i-eo sunglasses can reduce glare from reflected surf1it-qw txfwhb+y+45+s o g: wlw+ )tjeaces?

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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 polarizati xavpx) 1kcj56p bu+e*on is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material lm8gr8s(ug p z3yng4q (ike a Polaroid fi3 ng qyugzg4sp 8m8r((lm?

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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 fig--y/4yt1olp1m ozrw; s/ jsdlms are perpendicular to each other, what is the percen- 1z/o;w s g-m 4ylpdyst1/rojtage 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 tgwl n 7,ji.xt5-+*- qvpmozrqhe 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 m m3y ;kkl4irj(s2b /ysunlight 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 i3xyqhmo -r((9 qcp ;yls 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 they5x p cgl3n)j4 zenith (overhead) than it does towa y3p5jc4n g)lxrd 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 6o5ehp5 3, -t,-5plahaxbfuxm fn 5o w900 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glaso,5-a hfmpl x tfahe35nx o b5p5u9-,ws?

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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 vac dlm2 psprn8)7uum. It passes into glass, which has an index of refraction ofsl 7m)pdr82np 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 inuxh8 fnv,i7 26 tj,om fmgdl4) a vacuum. It passes into glass, which has an index of refrac 4jv,ot8ni2fm7fm )hl6u xd,gtion 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 nm iny9/ szx e.fi+m 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 azqc+* 6y ot nhd0v(0xrir 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 mr6h. ; ko:prftravel 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 fallsekmx2cpj8n 1 4p9 n8ee on these slits, and produces a fifth orderm enk4ej8n92xc18 epp 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 order d378z;ws brvr bright fringe is seen at an angle of3b8vsr7 rdw z; $6.5^{\circ}$. 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.acb 7jv, 5cql the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacin.v baql5c,j 7cg 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 separadc :xh(ewoqp5m/ i**ntion 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 first coincide with a bright fringe from the ooi qmce w:5(dhx* */pnther?

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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 apar;tv1/nit i2;( m fa/lor igp1jt. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how faralt;1g i(vti1rfmjop; /2 i /n 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 Youz:-ylvo u km.y,cf9 1sng's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation betwk. zs: lf-9cvm1uyy, oeen 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 anc 6m1q:,cd8g2ej ygwn d 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beamsw 6gcn yqg8:m,1jd2ce 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 (wavel9t2 oe6*)dsfsi 8vfjdn(: it reni od e8df):jtt9v(ns f2si*6rgth 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 o7m6q 4qpyb:xkwsupb y:;9kt5vs :e x/n a single slit of width 0.20 mm. What is the angular width of the central qs :4 k6b y7y9/pqxkxtv e5:bmsw u:p;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 illumi;jjgqec5t;p 9+ thea1nated by light of 550 nm wavelength. What is the t ;tep q+;e9jg5cjha1 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 i49r :l v peubf3vtqb.(s incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of q rb9p fe4tv3v (lub.: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 d0o4bd6iyk 3ijiffraction pattern is produced on a screen that is 1.5 m from thi3o60bi4djy ke 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 /c7n,mcs4m yv5)u rpz incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit7 zmvym5r p )csu4,c/n. 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 slit of width 0.300 mm. An o,icd nb5v xs1-bserving screen is placed 2.00 m from the slit. Find the width of , v1bxi- 5dncsthe 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 grac :pnt4+xbal ga+; jo2ting with 7000 lines per centimeter, its second order maximum isobnl cx;atagp+2 4+:j 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 pssck 0b9,pu(zer cm. The angle between the central maximum and the fourth ord sp,zb9u0 sk(cer 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 incidenk+;g-vqjn orpr)/a p4t on a grating that is 75 mm wide and ruled with 50,000 lqp;rjg k n/r4-+po)a vines. 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-orroi v)q0 c,y+bder 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 passecq 0v),obiy r+s 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 anfpf6*3m+o 8gil*ecoww e 5 z)xgular separation between the second and th3zf+owpe8c*gi lfoxe6 *m w5)e third 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 spectrlv- c1 ug34tc-b;h4goz ;nw bhal hues by a grating. If the grating has 2000 lines pzt;4chgv1u nc-lo4 h-gb;b w3 er 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-order max a bn t/1g7t3.gyn1arnimun.t b 1 nay13angt7g/rm 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 grating*q(finb ;6pyzn k4+n q. If the third-order maximum of the diffraction pattern is obserpnq*4bf;izq+y (n k6 nved 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 *hjx1 p* jaxr zl0ge4l;cz/h0wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is obz x/x ;h0 lcl1hzare4j*p0 *gjserved 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 anothr +g7d9tbqks2ao4 i* per glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far g7ip*rd+k9q 4b2 oastapart 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 n12+jxl 1)z q nuinkk2eai77fof refraction of 1.33. What minimum thickness of this bubble will ensuxkinzq if j1e+77lnun2 ka1)2re 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 = 1.33ufw874 d8h ttl). What is the minimum thth4dw8 f8ul7 tickness of 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 nonreflecfd4)6nl arh fg3: ;12fhcdw(pjf emm(ting film coating (n = 1.30) on a glass lens (n = 1.50) for wavel:g 1fc42)fep jmh a(3 hf6nm dfrdl;w(ength 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 ua 64fd7e/ 9z.pq ph34 epedkpvnpolarized light and the intensity of the transmitted light is 1.k96pp7e a zpq/fd pe3vh 4e4.d A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction +pfr5-0r fx cetg++lxcq9i -h 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 ligf.xhj1ks4 )3be w.k01wymj t oht in air strikes a flat piece of glass at an angle of f) .skj3ktb y1ow4h10.mwxje$57.3^{\circ}$. 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-ana65xoqi+ne +v6jn/xm llyzer combination. The transmission axes of the 5v/m+6ixe q 6x+olnjn 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 1w sc04 y2gaenreflected in calm water is completel4w0eny g21acs 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 a6 bggh*37l cdbn analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. Whatb37b6glgh c*d 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 lnj p3 0- j9jepbbv.5lzight traveling in vacuum and reflecting off a piece of glass of index o-l .5pbjj3zv0 pjnb 9ef refraction 1.48?

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