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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 principlen8giu 0wn7l z,;f o. x*)zdybn.
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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 mek2 0ciqy/:xis 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 lig +au9 fhe9lbp..(nonaht is attributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of ligh v i2tub61g3nht is attributed to

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a light wave enters into a medium of different optic /dg;t5 pp09f(odej ybal 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 omtmt71s y t/8(wavelength = 590 nm), originally traveling in air, enters a piece of gltymst7 to 18m/ass (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 ne2 56ycnk :wdwm), originally traveling in air, enters a piece of glass (index of refrac62nwyk d5:cwetion 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 respont u ;mtksi,.u)t6n eu8sible for light spreading as it passes through a narrow s;umus8e , t6.)tnktiulit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffrqboo 3nmt0/lj:y 5 f0(ekka z+acted by large objects such as buildings, whereas light is not noticea z tn0j okl:3akqybmo/5+ (fe0bly 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 bands when light j ;fy5ob /ygt;n; oma(oci4z;i ty6:y passe;(i 4;y/;oof b6ic;jmgnotzy:ty ay5 s 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 ifbw:3lbym vjo.3rh;u: r ut. r. 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 rajw+qcs) ar o7h-/)q x bxve.;mys striking a screen are in phase with eacho;v -r7sqh cj+.)/x)aexm bqw 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 different88sfsilwi5/ z paths arriving at point P. If the maximum constructive interference is t 8s8ilzf/sw 5io occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. I/o09jtw i 5emyf the maximum destructive interference is to occur at pointyw t9m/oi 05je P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a 5rf 1klsqhc r5as:f;+ double-slit experiment, light from each kf;1 f r5q+scr :5slahopening 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 sidea ubi5z+x/h 7oo+sbb* of the central bright spot in a double-slit experiment, light from each opening arrivebh++i7 s5o / *oubzbaxs

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot in ag-r8g2 t1lsv: vsr id/ double-slit experiment, lighgrsv8sv li d12:-r/tg t 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, i2n5hgtb(hha5i5v *rfhcd 4b f(xe y65 f the separation between the slits decreases, what happens to the distance between the ibh5hrxf e dn*a(hhv f (64t25g55cb iynterference 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 observed that the distance between adjacent l28m:t3(m,p2gga0 qw*sezqphdcl .m maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent .g*pd ( c:pt2qqlh w0z3m2egma8m,l smaxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travrtyoco) j 8;y3els 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 o s2nejqd:o. z3r dgs(6f a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is obse z(.r2dg 36 dnsqjeo:srved 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 impossible3-y3w 7l/rzm x5fo1pro 6nif u to obtain interference fringes in a double-slit experi7x 1/3rf 5ni oryl-owf63muzpment if the separation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a- i:z6j+mz,i+fhv a au double-slit interference pattern usin+zm i-+ v6aujaz hi:,fg 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 explains why a prism separateswums(. 0/flcln6 5mqtz9t0io white light into different colors6 fi ltz w(9st00 qmc/u5nml.o 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 rainb f7v6oh ;9qt jbib1 ;w6k8efmrq7w-yaow to form is

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter than 400 nmouu:oxa ,e 7rjypi8 */ 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 is ca f1uque w , ekcb-od8:*(jdaw,lled

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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 underg-fagwyx1/ wba9m- .uss (uq5xoes the greatest refraction when passing from air to glasb- 1wuya5m xq-/ga.(9wfxsuss?

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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 passing from ai)ocs6:e , z rtj;rn7wer to glasszo:;6j,)rs e7 wrcetn?

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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 sj1n q)nf+5op 3sf5ucnides, at an angle ons5jf 5 p3c n)1qfnu+between $0^{\circ}$ and $90^{\circ}$ with the normal. Which color emerges from the other side first?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person gazes at a very distzluty 8 n7-zh4ant light source. If she now holds up two fingers, with a very small gap between tnuhl zz7 4t-y8hem, 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 diffmh a*v)cb;/j*v(2l yuoz.ss q8fvl h8raction experiment, if the width of the slit increases, what happens t/qfc a2 b8 ls 8s)uvy*oml;vhj.z(vh *o 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 diffrac8o6g -vnc- e,thmmoq68l wbu .tion gratings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the tw,wlec8gmbho-6u68tqon. m-vo 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 theybou.q 2 j8u. +zd5gad same slit separation, the only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation betodqb.u jz+5.ga 28yd uween 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 slicwvxksv1 1svx;w)l 2xp rv;) n.k are caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves od12 r4(wxv2 g2m c(uqnza8 aacan interfere constructively or destructively, depending on n (vau4axgo mq2r1c (228 adwztheir 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 air boundary 0ita3:bs tm4p 1 kq.ajc9v+yp, therek1cpqatp3.4mbyj +t a0v9 s: i 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, wb))u ;3sdbeclklhjc32fc* n d b 4ey+0hich is traveling in air, is reflected by a glass surface, there ie*bf23b;l)e+b h3c sljncy4 0k dud )cs

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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 becomes very much thtlt :yr x9s;yx*) e .pro.)hrninner thanr )tpl9s ox* ..)hrynret;y:x 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 fl2txpingh2. 4 ieofap)+3 tnv)ctm61suoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-refleh + )tp xa3npts.io12i)4 eg2vcft6nmcting 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 illuminated fromlyj6ce*iz:qfh q7 )z 5 above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. Wjhq): elizy cfzq675*hat 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 cej-dl/1 lkx zc41 p86(st pzbmkrtain sunglasses can reduce glarxljk 18b4-lck tzp d (s/p6m1ze 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,9b r6- t3mejcsxt6a9w the direction 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 polarized light in a dichroic material like a Pol.g1lu4su.j t k4t: z0u tj*myaaroidm *uutj .t.k0 4sgt1yzauj4:l film?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpenwok9p- 4g6jk b lblw l*b6*hn3:uw3 eqdicular to each other, what is the percentage of the inci3j*6-ublwepql wkn w9l hb*gk:6bo3 4dent 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 sua1 kvoam+s 7,orface 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 sunliww.jsx6 ;tma 7ght 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 following7n6s5mdoq+(sk 7 t cmm 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 toward the7op)fl9c/p.bx3m 2jrqhne) q azyc 1 ; zenith (overhead) than izacp ney1/r bjfomp)c3q9)hx 7 q2l; .t 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 passes intmlp:aa,j/n2 x 0axb :ho glass, which has an index of refraction of 1.50. What is the wavelength of the light in ,:j/xa:p2 hnm0l baaxthe 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 b 4lx4 qk/ ,npqg:dav)600 nm in a vacuum. It passes into glass, which has an index of refraction ofa4dvqx/b: p,k qn4)gl 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 vacuum. It passes imv0ky ;on6b:s8z ou 0mnto glass, which has an index of refraction of 1.50. What i uvsk 60;mb:8z0myno os 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 in vacuump+e zq.f9l-,8 0ivqk(ujb8 g jcdogg7 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 to tryg-ipwql x h0y9fi;: :avel 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 foumhml m 1e3e*i (nm+uf m8a,wm9nd to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 6.00 mm apart.bw+h/ vutyq67 Monochromatic light falls on these slits, and produces a b6wtu+hv/q 7 yfifth 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 g.mktj*t3 3ih a double-slit and the third order bright fringe is seen at an angle *t33gjm . htikof $6.5^{\circ}$. 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 n ezbaro))x k3k4+ ;0kepz9 w dihi0w5ynk+.hthe two slits is 0.050 mm and the distance from the slits to a b+5+aeopye0ihn )0z 4 3 .x; khk9ikzd)nwkrwscreen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two a b0w7;nak;s67g cxchwavelengths, 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 fringe6cc07anw k; xs gh;ba7 from one pattern first coincide with a bright fringe from the other?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two thin slits are 0.050 mm apart. Monochromatic light of wavelength 6325.8ukc r6mgny i,zp wg;q* kz4 nm falls on the slits. If there is a screen 6.0 m away, how far5gm6 *w yrg8ck inkp,;2z.uqz 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 Young's double slit setup that has a slit6)d jzl xth64ry mrm:: separation of 30.0 mm. The resultant bright fringe separation is jmlxry:6:rd6m4 thz)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 700hm:6*jy 2 g:j3dyv hy9r 7tj7:s5z6iwov jkkn nm, strikes a plain piece okjdyr mt59jnh wyi vs 6v ky72j:7:g*o :h63zjf 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 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 oc ec 30t uw3h60c;sgi* ,pjbonf blue light (wavelength 480 nm) and red light (wavelength 670 n c w 0s6i0 c3;ho*3ejpugtcbn,m) is incident on a thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.qg y(wxf/dcm-jztk2k y*0dxm 2+1us)20 mm. What is the angular width of the centr2mzdmu 2+qxkytd1s/)(*x-y fgwc 0k jal 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 l 3o4-uv9i8mtu zrns.c ight of 550 nm wavelength. What is the angucsv -ot8mn.uz u3 i94rlar 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 inc89tdvgh bf4)rident 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 i49bfd)r 8hgvt s 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 61. ci2., cvqglp0 nm is incident on a slit 0.20 mm wide and the diffraction pap, gvlc2cq ..ittern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An obs z3r/i(w,von 0xqfuwnadut/7 7 vav64erving screen is placed 2 nv qo w0zv,ivu4/txna37aur6 fw(7 /d.00 m 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 580s09uwu8wcoq.ak- g* j.q7s k k nm is incident on a slit of width 0.300 mm. An observing screen isw 9kuqqscj-ka0..* g87o wsu k 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 centimeter, its s;24tm w yc3fvhecond order maxim3h;f wmc2y 4tvum 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 anglw:3ncc2pzh(w e between the central maximum and the fourth order maximum i23(wwphc nz :cs $47.2^{\circ}$. 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 ru0;:qxnx q /zm 2eyq;jvled with 50,000 lines. The second-o2vm/q; 0y: x;j xzqqnerder 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 fi;2-6 6lj2 /k agd mzrqy++vjnk jwah3mrst-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through/mj-6aym w6 jadq+rlh; jn+22vz kkg 3 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 t hee: )bm(fmha1q l8:che angular separation between the second and the third orders on the same side of the central orderme()lm:8ce a hb f:h1q 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 the grating hasq*hlv/ t5mwn k*8ig q* 2000 lines per centimeter, at what angle qt*g8viqm*h nw5l/*kwill 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 calib() l oezg(4+hda.dlzfrate a grating. If the first-order maximum occurdz+a(ogh4 lld .zef( )s 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 gv8v p ;h/htk1of wavelength 500 nm is incident normally on a grating. If the third-order maxim th;ph g1v8kv/um 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 normally on a grating. ztdqgj941fuz*s.xlp epb+- : If the third-order maximum of the diffraction pattern is qp*s9-etdj.+zlz4 gx f 1pbu: 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 at4w6(abyfpp 9i one end by a strand of i6b ya9wp p4(fsomeone'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 of refraction of 1.33. What minimum thicknesbbpo7 5dyu(wzp 0jx8- s of this bubble will ensure maximum reflectance of normally inb(ob xupjpd 0-85z w7ycident 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 f/dhi5*4ev rmrl5( we lilm ( n = 1.33). What is the minimum thickness of film that will give an intelel*(m 4/5 rwredvi5hrference 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 thic9 alwc 1uaof7)kness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50)cou 9f7w1 l)aa 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 te 7w4ug: tewg 2kr5+ed2zyc( unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its reyuck d72+42eggtzrw( :5 weteferred 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 rc1a)gurnj-+ a otated $30^{\circ}$ 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 light8uzq6nu8s- ls9mh - ki in air strikes a flat piece of glass at an angle of ihqsul698-kzu - nm s8$57.3^{\circ}$. 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 combinati qnh)0ya/ qvy 9)ayyi2on. The transmission axes of the polarizer and the9 2ay0n qyq y)aih/)vy 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 ws* *k v+66l*pf)nt ;evapek1 l- utsuits image reflected in calm water is c 1upsa*-u* t fv;k* 6nvest)pkl+e 6lwompletely 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 passesyh1 i(whvmw6 z 7zmof3f,k6t* through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angleotkz6*(3vh z ,ywfi h fmmw671 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 offe9nj4bl- vf 9j a piece of glass obn9 j4fv-el9j f index of refraction 1.48?

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