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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 princ sj q/q,mi qlc*05r8tm2 p)otfiple.
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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:;n34ivwtqfi qf 6 g1zrx:yfo h4 lm61 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 att6 5c;0xlu 9b47edpe erbc 0zwbributed 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 iut. .c9vwxhyir+.a8v s 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 optt. kh7, c5.om0tsa uz vhqs4y:ical 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.;1 y / h;u*a614q tnkr fy;jctw4tvli/y xvwy traveling in air, enters a piece/ lcy64jf ;q ;yk.yvwh aru4n1*tyttxwv i;1 / 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 (weo p267 rbzzl8avelength = 590 nm), originally traveling in air, enters a piece of gla6 e rz872zplobss (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for l3 a+ msanw*oz)1 yxl*oight spreading as it passes through a narrow sl3*y +mo*o) zn a1swxlait?

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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, whe4).4k vevb v xg;olta)reas light is not noticeably diffracted. Why )tvbg.o )4xe4lvak v; 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 band9/k1d*vp qages when light passes through two or v*q 9gkeap1/dmore 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 toy9i n(ch7x0u7qf u :de 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 light rays str qtaayr oc2,(d ky7v;;6lmq;jiking a screen are in phase wi (yo26q,;;a jyt7qmkl v ;adcrth 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 point Pfktp26 w f(7iu. If the i 7tupkf 2(6fwmaximum 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/n lkwa2q3/ez at point P. If the maximum destructive interference is to occq 32nzk wa/le/ur 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 side of the central q)ct(g4noj 2hbright spot in a double-slit experiment, light from each opening arri2gnq o)tcjh4( ves

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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 dou5im)h fhfamx7(rmd0 ) ble-slit experiment, light from ea(mihmf7fr5) 0) xd mahch 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 brigh m7fl6wshf:5 ot spot in a double-slit experiowhmsff:l756 ment, 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 slits dben x m-dw3i45ecreases, what happens to the distance between the interference fri5de3mn bxi4-w nges?

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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 iogrr+iim 8a fk0v6 +b/zou.x2s 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 s+rm+ /0gx booi8k vurzifa6.2eparation 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 travelsbea 4d hkle7u ,ggo3m5h 2l-7k :1ilme 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'sz;vqsydrf9:k2i /2*j goqs5 f double slit experiment arrives at a point on the screen one-half wavelength orf*dfjzkg:qy5 sv9i/2 2s ; qbehind 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 fringes ir9/6xhec nz5 0plg yenr0h,k2n a double-slit experiment if the separation of the slits is less than the wavelength of the light usekcr 0 l69h2ypnnh0exg/ r,5ezd?

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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-sliqaos /) d8sucy n:;q)it interference pattern using monooni: ; cas)/yqd)qu 8schromatic 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 explainsdy0m9, 222atghd kfnq why a prism separates white light into different colors itmq h,fdd2a 2902kg nys

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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 to fova tf5cd:67ta rm 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 sligh0a7ixtsknnn +:x (me*tly 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 loa98q hg.ti7 gmnger 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 from aia4n0; kv g:u/yqv9o kc6ml4for to glass?4vco ;6gkf9nokma u4:ylv0q/

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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 pajifb5h o9c, vb5; l)z +uqzdb+ssing from air to glass?;cf9bhv5l+,q)bd bio+ z u5zj

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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 wiiur x:i) yws9yqbp2o0d /j -ro6m- +vqth parallel sides, at an angle be -2y/o ) uqq w-o6ysjrd9vi+0:pixbmrtween $0^{\circ}$ 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 sourcx:,ehr0x )hcqv (h)id v6 s3g, 4vzmrge. If she now holds up two fingers, with a very small gap between them, and looks at the light source,d46), i , qgmvzvr3x rxh0(sc :hvghe) 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 slit increasenb ovzi54 61vvs, what happens to the width of the 5v n416bvozvi 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 eo3(trbtz6l8 a 6v+yiand the other one has 6000 lines per cm. Make a statement comparing thzr8t6le tb6o 3iv(+y ae 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 witzb(-i-:ka bgy.:cw 8cr0 ).djmmqrzp h the same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. )j8 pik-:gzqc0m- z.cdr ar (ywbb:m. 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 c5yhh0f)ii3- )*ibe vn*jz qgiaused 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 waves can interfere constructivel3u fj 9vmhed tv:10a1cy or destructively, depending on their phase difference. One consequence of this phenomenon i d f03vvmhuca:9t11jes

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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 inau6f+.zmv m; )kbli zy0f3)t n glass, strikes an air boundary, ther+b6vz i ytl));zun0ff3akm.m 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, which is traveling in air, isn0eg vyk 7aaqvih-*2; reflected by a glass surface, there i avi27g; -qyek0 vhn*as

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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 l-.j a)jvcp.mthe film becomes very much thinner t-.mc) j.lapv jhan the 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 light in magnesium fluoride, what is theuj,h g/(7smd u minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (, 7mugd s/(hujThe 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 illuminated from above with mfm( okdcf) 0rd o/q-j5c5/wqgonochromatic 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 thm05d joofw qqc/f5()/cg r kd-e 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 0i23es)u1vebrvg- wyglare from reflected surfa-)eeg30vi v2 ubrs1yw ces?

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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 +7h k yxbm; ;*lrimykojz :,;zdirection of polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain po-6e4ii+nckle+ oby4 f larized light in a dichroic material like a Polaroid fi b+6 oky4n+4lec ii-eflm?

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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 filmb/7b9 br7e juvs are perpendicular to each other, what is the percentage of the incident light which will par /ejb79bub v7ss 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 surface of a lakenql2**ua;eqpzcj.)u kd c 28j

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The polarization of sunlwqt/s ve(hh 4+lwpmwf01) sb.ight 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 dif 1fbmj 9es tu.f,p-bl1r;7o64 ezitxtfraction 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 zenith (overhead) -*k cudau-81j mke5unthan it does toward the hor cnad-uk uk-ej 1m8u5*izon. 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 wavelengtpl .a45 x9bj2pqnmlo+h of 600 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 glass?2nqmj+l5b a4x p.o9lp

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, e jh2i7n pdd/qy .efd*)igk-6 which has an index of refraction of 1.50. What isdpdyg7 2nhi* jd- fq6e.k) ei/ the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passesxfxn0ct-ym mn/ k ,33k into glass, which has an index of refraction of 1.50. What is the speed of the light in the glass?3ktxkn03m/c xmf,n -y

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuq2 ohc4x/u9lhgkkkoh+ a0n6 5um 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 nsych0,g:8 x; /w7va7,2bex wi6awujei xk:ul m in 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 tr7su k91-f8grl5 de1s bs/i tbwavel 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 6lmoys5 c 3e.z3d79*hn nu 3cyb.00 mm apart. Monochromatic light falls on these slits, and produces a fifth order interference fringyno*7seybh cld c35u 39mnz.3e 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 brigh. (fnmuw kkgk)56n7u pt fringe is6()mg 7 pk.ukfun5knw seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation b*qnq26x n(g r-h)na qmetween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between thqqx2 -*(rhng6n n)qam e 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 waveleng cf;9axb ,o sp0(1igfaths, 750 nm and 900 nm, illumi 1p(o b9 si0aag;fxf,cnate 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 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 f y,73ju mm)uklight of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are ad f7kyuum)j m3,jacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young's double slit setup that h ftve9(is5 8f1l07wflloecg:as a slit separation of 30.0 mm. The resultant bright fringe s5l:g 7fo1ltlf w e8vs(c 0i9feeparation 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 70 8u b1g..zsypd0 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 angl8up. s1 dzb.yge 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)-)b31wpk d+ozpjdq 0w and red light (wavelength 670 nm) is incident on a thi -b 0pdw+dqwoz)kpj31 ck 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 an50k..ch20 j zoms syisgular width of the cent0oj ysz.5sckhi .ms20 ral 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 ligi hza5x1. t,kmd9v6oaht of 550 nm wavelength. What is the angular separation between the fa.ito1z 59 ax 6hvkd,mirst two minima on either side of the central maximum?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 687 nm is incident on a sinb*:dvloian( m:0b d.1 x5lbebgle slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fri( b:n1 mdald:* ibovl0 ebbx.5nge 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 -m*8gb /e2 vijepcdq+nm is incident 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 width of the central*vp-c8/ b2 qei+dge mj 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 m(lfn.z5su h 8580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of tu n.(l85 mzhsfhe 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 o/k g1q6ge hdb.zgj ,0gf width 0.300 mm. An observing screen is placed 2.00 m fgq0h ,gdeg.bkg 6z/1jrom 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 centimeejjb3bmay9fqb 9 k) 8c z*)-uzter, its second order jq9* 3bz-u)zeb cy9m)k bj8a fmaximum 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 hasxv -oy3; kmi0 5n r1jkf9j,ghs 5000 lines per cm. The angle between the central maximum and the fourth order 1f30i9nk yo-r,jgj km hvx;s5maximum 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 rjb ;jw6ktk:2is 75 mm wide and ruled with 50,000 lines. The second-order maximum is s6j t:wkk r2bj;een 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 k tik5k *ro3-w:*p8gut g zaa9wavelength 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 central3i:-zu *kg9prko *gwtkt5 8aa 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 cnj qvw 3 l1d9)ncox/b4entimeter ruled on it. What is the angul3nw jc9bxv4d /)noq 1lar separation between the second and the 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 spectral hues by a grating. If thez25b3) f3:m a-kgrvwwap iw6 e grating has 20wf ebp62vw z:3-mka a g3iwr)500 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-orderznb+ alrc*tz 8cy/(0r: xcs 7i maximum occurs at cn +8s(blz:/r7 rx c0 aci*zyt$20.5^{\circ}$, 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 ofk:.rj0ej.6sa 2 pthjk wavelength 500 nm is incident normally on a grating. If the third-order maxim.t2p s . k:jaeh06jrkjum 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 is incident notkvz q z mkz *qap6oml7l40yvc ;5f2-*rmally on a grating. If the third-order maximum of the diffraction pattern is obsev2lvtmz6p5c -04f y* qz7qz *lo;amkkrved 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 (*rl*--gnkt gs mrz i9from another glass plate at one end by a strand of someone's hair 9rgn*-zlsmr(kig- *t (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 of ref pre8zbz6ta3)raction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lig abt e3)6zr8pzht?

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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). Whaf(u x+9 3ecd ud;i:wujt is the minimum thickness of film that will give an interfeu 3:uiw;eud 9j dxc(+frence 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 thicknes-e n-*dbllk0l s of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelengblllk-*d0 - enth 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 lg:eszt 1 mymn.;14h,sq s0- ojqj-w luight and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated 0ntgoy;j14,zq- mw1ms l- que j:.hs s$40^{\circ}$ 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 rotated l0tzroi bi 1v*-h*v7d)lojc4 $30^{\circ}$ 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 strikjsf o-j)4 .p)fwi.aui es a flat piece of glass at an angle of - oaf 4u isfp.)).jiwj$57.3^{\circ}$. 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 po5osra),ls y2assed through a polarizer-analyzer combination. The transmission axes of the pol,yo s )r2a5solarizer 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 in calm water 1vmobpv w2 5r,is completely polarvpvw1r o,b5m 2ized?

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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. In thiso6gx 3 - ywc-7bnq*xwcue) hy7 process, the intohwb- xcugy wyn )7*qx367e-censity of the light transmitted 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 travelingivpbkk1v1 77s in vacuum and reflecting off a piece of glass of i 1vk7v17 ikpbsndex of refraction 1.48?

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