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习题练习:Physics Unit24: Wave Nature of Light



 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 princijmr +4i,2at r-xdpw-sple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a fadnv; rm,o9g 1i 5r,baalse 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 attributej)cbi j0 a61jcefbe:2d 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 ix:vqa i.eh/ae22q-ii 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 optical density,,mhebs obdd3h:y)lc: 3gq)(r

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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), od( eriee su5a9.pbk pk9c1 (u0wm( v whtd/:+eriginally traveling in air, enters a piece of glass (index of refraction 1.50),ua/h1wib. :m r(90k+psw 9 ((pte e5kueedvcd its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originally traveling in air, enters i1mhvvn+ k(*ci kr),x a piece of glass (index of refraction,(hvinxv)*i r1k+ cmk 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 resp tv;oto;a (xsht(:r)fonsible for light spreading as it passes through a narrow ) asvotx(f ;h(otr:t ;slit?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffracted by large objects such as buildin+krj7e -7h;m9d; plh. amwvfwgs, whereas light is not notwrl.;d wj; mvp-+7h ah9 kmef7iceably 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 f-2 s3dh1,ea yangg(fsor alternating light and dark bands when light passes through two or more narrow sa2a-nsshy 1d(f ,g3gelits?

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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 cohen uwyleo2-- ;x n44w7zuj+ysurent 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 screen are in phas6/ 4k6agkng ysq7nq -je with each othenja6g46y qnq-7k kg s/r?

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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 atnhgbq + gn 5gm389wj6:;d5 hfpi dzu8y point P. If the maximum constructive interference is to occur at point P, the two b8fz6 y+9u5p j5w;gb8dning:hq h3m dgeams 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 traec ;(ult (,a ka)*gjbnvel different paths arriving at point P. If the maximum destructive interferenc)tj g(;a,*ael(c n bkue 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 oj9zci (k 7lq-un either side of the central bright spot in a double-slit experiment, light from each openiql9 -cuzk7(ji ng 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 brigh44l3 f inr l-ufhojbcb86/ /ymt spot in a double-slit experimentbl/r4 3b 86fcym il4n-fju/ oh, 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(6t db .( ofvin ; rdaipw16gf5fjhk29 side of the central bright spot in a double-slit experiwfdp jo6fgr19tb2 af k(h.d 5v(ni6 ;iment, 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 betw;omz0 o3i+qzki nau28een the slits decreases, what happens to the distance between ni i uk3zoa ;zq028+omthe 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 observed thatk9vw m5 x.rn8.5cqdlp the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the pl d.w.qnrmx558 cv9k 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 travels pat-s kekt xch+a 0-ay.io ds8*i8h $P_1$ 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 Young3npek(n4 3eb vi 8n-ub's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit4b e- p3i3nk( uv8enbn, 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 interfezrkle 5r 6ge j5;li6q+rence fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the li k6;i6rl g ljz5+req5eght 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 m8u p izw;zrc81axima in a double-slit interference pattern using monochromatic light w 8zcri;p18z uis

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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 separateszgy wx s 6anx:e-8dq;m*l3nf ( white light into different colors gsyxzn m*-8n;x daq:few(3l 6is

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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 to4k m-j1dq.vn i ypnz0* 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 s+r6v r 4f,mdthhorter 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 slukb9 uk2g +j2dightly longer 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 refract rw69s7uas:yr ion when passing from air to ga9s6y7ursw: rlass?

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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 eeb0,vbym x;9 refraction when passing from air to glass?eve ,;0b9ymb x

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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 i58/b; *cr gmkrrc 8a tslfly*2s incident on a thick glass plate with parallel sides, at an angle betwecral*/ g5*; 8rcrkymt2 fb s8len $0^{\circ}$ 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 verv;zs/-t zpmc pub4+v-z vvs7 1y distant light source. If she now holds up two fingers, with a very small gap between them, and looks at thvpv b vu;41v7 cs+ mz-tp-/zzse 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 hl r xm8l4w+e/experiment, if the width of the slit increases, what happens to the wh r4/l+exw 8mlidth 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 gratingsidivf67.;izwg+c 2nyh7xfi6b0 mtv kl44oy( ; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two ggb(cfdk4i 4mv2t. z+ iwy i h0nlyvf ;oix6677ratings.

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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 o 6odvv-d 296enc vtq3slit separation, the only difference b-o6v qdt32dc6ov9 nveeing 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 xyrpi8ejzaq2n k9/5 bk*9: uj 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 lightyh49 v;no7 3h6pr;fi q+lg skv waves can interfere constructively or destructively, depending on their phase difference. One consequence of this phenomenorvnf4ghi7l9p ;h+ vk;s6 oyq3n 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 bou4pwp b8h2cdd(l daq/4ape -d 5ndary, there is4 (h-d 42lcpab/8e 5wqdddapp

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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 isfn0q:k 4tw3v k traveling in air, is reflected by a glass surface, there kf0t 3n:q4 wvkis

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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 viewe /9,llkapukh1d in white light. As the film becomes very much thinnerlkla, p ukh/91 than 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 magnet z hxkr 2,uxw+f3nds0b5u4:s*nm:pb+pak* csium fluoride, what is the minimum thickness of magnesium fluorisubh50n** w +ku: t:,b3x2pmznprf 4+sxdckade coating 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 platm kcm d0rno291e and illuminated from above with monoch92dmkcmno0 1r romatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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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 sunglassesypnd;v)ec- 8 g can reduce glare from reflected surfacyn)8gd pc-v e;es?

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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 definh,nw u ffav3 ywq7,*;z1ciym5ed 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 polarizedcz i jq226-zk9rzq9s e light in a dichroic material like a Polaroi2c- i96 qj kzq9rz2zesd 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 perpen yv(6+nzcr kwq:zh8q6dicular to each other, what is the percentage of the incident light which8 n6y(c zv:6qhz+r qwk 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 surface of uejrj45s2t;omt/ ofp x767mna 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 sunlight is greavei f;bpxbp (:k9 49 t4rwriko8.f y4ltest 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 a8m k.lxu fveq3;+lf.fraction 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 mo 2m *nfmpo 86rhs6wwzlq)k9.n re blue toward the zenith (overhead) than it does toward the horizolp 6n*8zwfmn26sor .9m w)k qhn. 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 v2kt/k0fk. .e:h 4g lmjl*gr5gnutfwv4p1 bn6acuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the gllmj0.. vk h24unwg 6kkgt5 :f*4 /1petnfrglbass?

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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.u7c17 dieaak. It passes into glass, which has an index of refractioie 1.a 7kua7dcn of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in6k+b5+ hah*;s nicikt a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of t+ab +hc* kth6nk;is5ihe 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 55n3 9wtre 6piy+6 -lr )vo7uxcy0 nm 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 /oyep ;:mxikmsb bee61 *0sa; 550 nm 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 ,p )9ysqrtc 92f7chsw 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 axjx r*fg pp:+)part. Monochromatic light falls on these slits, and produces a fiftx)r f+:x jpgp*h 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 order bright /quw4* z6evajl g1/ apfringe is seenga*jwale4 16u v/pzq/ 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 ex nigpzvk8*c ws ,x25:zperiment, 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 the first-order a:s z zgk5 c2wpv*8xi,nnd
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 experimentnv 0l336hi(lw4 )qsh ;svwcwf, the slit 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 first co w( 3hv3ifw);qc4 l0 hv6lsnswincide 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 o ;8ie. jl+szo (vw e2s*m,qwbsf wavelength 634 nm falls on the slits. If there is a screen v*ws2l w.bqsz(i,m o+ seje8;6.0 m away, how far apart are adjacent interference fringes?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A monochromatic light is incident on a Young'sxzj;9vn e uohz); m5v) double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm vmxn)9 uz)5e v;o zjh;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 700 n4az8rpo 50ierbge:+8kmg*sf vmou*xf*o2o 5 m, 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. Do opregrma5ogs vxe8iob**ff+50k84 u2 z:m* etermine 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 ofh/iabqo x.i5e x og7)qkb1xi .x,86 kl blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece of g,i75ekbx 61x. gq)xq ho/li ix.8 boaklass 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 izee3*d )ta io1s the angular wiea ti31 *doez)dth of the central diffraction peak?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A single slit, which is 0.050 mm wide, is illuminn 4/x2;g.llfb9 a nmtlhh y+8dw+ xy,fated by light of 550 nm wavelength. What is the angular separationl 8xhn24fbxd y+ l9gt m/ly+.f, ;hawn 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 incident on a single43)8k*n3x64kdz gyvyue od5bg i zy,c 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 gke* ,gn bu)dz38y45zdy iykv46o3cx 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 incid c:yloj6 m76w* hcc:t2tr a.gdent on a slit 0.20 mm wide and the diffraction pattern is produced on aj tcc7wgr.6dy2a*:t l ho6c:m 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 9*4 .yg aeai nqlxqvya(w+)i/observing screen (ia. 9 + /4vl)an yqe*ayqxgiwis placed 2.00 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 580 nm is incident on a slit of width 0.300 mm. An observze4esvf nq:e6 . a(,hying screen is placed 2.00 m from the slit. Find the width of the central myez.n6 evqe(sh:4 f,aaximum.

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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 centimetepvi7e. 0jrpg *v6hmx;e: -nxg r, its second order maximvp07r-mvip6*:jx; .e xgh gne um 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. Th9wwuz 6el8/ee7gh b w-e angle between the central maximum and the fourth ord bgeww-8wehe /9z67 uler 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 thatbhg1 r)krk:l o13lh 2z is 75 mm wide and ruled with 50,000 lines. The second-order maximum is rl3k )z k1lgr12hhob: 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 firsxcqe 57p l;m+et-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 the same diffraction g7lm e+p5cq ;exrating. 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 rule1 8jg;yhjpqsq4bp3i 9 d 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 with a beam ofhiq;p93j jsp14qg 8yb 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 amvqr3 2 6ny/pt grating. If the grating has 2000 lines per centimeter, at what angle will red light/2nmv 6pr3 qty (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 calib7x,er*xqs v xl6q 1lw y((bc8hrate a grating. If the first-order maximum occurs at w6b(1x s xr 7l,ve8xc (q*hqyl$20.5^{\circ}$, 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 incy )kdjr b-pkdgb 1k-,3ident normally on a grating. If the third-order maximub3d-rjk b - 1kyg,pkd)m 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.;srx-c( -a r( qe-mnd 0(hu avqrw;yj* If the -rxam (djqvn0 u; h qy-(rs(;a e*cr-wthird-order maximum 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 vo8pol:eu0xrtu +y 4 4one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when :u4exv0po+t4uol y 8r 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 megy/x67cse p)c+6q yvinimum thickness of this bubble wil 667ce/pcxv )ey+qysgl 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 i k92:il fp1jsix: brxu/*. vdes the minimum thickness of film that will give an interference wh2/fdkx1e*: v s r.j9xbuilip:en 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 thl 18: mavmbw(k:6acxuickness of a nonreflecting film coating (n = 1.30) on a glass lensab6a:8lw(cx 1: mm uvk (n = 1.50) for wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light and the int7wwt. wx1q *chsc k2(f fdvbi1-hco /8ensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rota- c d8khxo1c1fc ft2/ivh *bsq7w ww.(ted $40^{\circ}$ 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 ) ikqi4 /ud ,(.w*vb 9x:mrtef3imdra 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 i nsw:ehu60x 610+ dm3aata yc 9k-aoyan air strikes a flat piece of glass at an angle of 9yo: ayent6-c6x a+ a3s wu0dma1 hk0a$57.3^{\circ}$. 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 comvr 0s3)3 m vvu zest:v1a;ve3-wg+xak bination. The transmission axes of ;v1rx) sag3evsvvu0wkzm3 v -a+:et3the 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 horh3:iv+pmco9j5*g ; wc /tqeszizon is the Moon when its image reflected in calm water is c*sq+j 93i/g owc5:tve ;pchmzompletely 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. In t y)y1f+pul enwum9- v2his process, the intensity of t9 yw)pnuu lfe1vy+m2-he 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 traveling in vacuum andsga9/t hvr28 mu(wz i9;ly2jx reflecting off a piece of glass of index of refraux /rw lj(yv99s t8zg2;am h2iction 1.48?

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