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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 principle.nnx e+ntqeqb a 4:;s12/ret+i
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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 false s8t+iwh6. lv qpn 6rlj5tatement?

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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 attribute*yu-,3y(jf* j/ pvf qjkv-g dod 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 attribu/7c;6wnj0i j0f,cb myn+ y9v)ks ra fjted 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 di 9pz/jy8of ,ntfferent 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 lighth+8u 0 uykkq*z (wavelength = 590 nm), originally traveling in air, enters a piece of glass (qy8+uu*0 zh kkindex of refraction 1.50), its frequency

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light (wavelength = 590 nm), originallnnbv2b08 )wlhjbshn d u 7a7t38yry79y traveling in air, enters a piece of glass h7 9 ybnlr2by w0 u)nv7tnbad s8387hj(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 light spreading as it passes 8-y:93lu wd8yffr677p swbokk y b4x9 e*undxthrough a narrow slit?4wo3ykb787 xf9u e yp8 wr9xl -f6ksy:d*dunb

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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 ob0sd)gtvaa/i1 jects such as buildings, whereas light is not n1aai0t d)v /sgoticeably 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 d45k26 qi,jz ; aumvzen7ha3flight and dark bands when light passes th4z jveqad6zn,f5hia 7 3mu;2k rough 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 if t+enw8a6ss ek)g8 fvg7hey

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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 strikin),5yxzo., fjkxzhl; sg a screen are in phase with each oth;l,)kos.5, zzjxfx yher?

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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 2vih:aqp; 53jokame4 v:iuh(2z ew1q light travel different paths arriving at point P. If the maximum constructive inj2:hqo; wpvue aaqk4h53(ei2v1z m:i terference 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 smr.m*6v6(:le wu bf rtravel different paths arriving at point P. If the mameu blf6:(v* m.rrs6wximum destructive interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on eitdopbi4,tc 4) 9dbwlrmv 28en 2her side of the central bright spot in a double-slit experiment, light ftdpobdlc8w4 2)4 ,rmv29nbei rom 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 eith/,m kmb4x)sn.zrx n e2er side of the central bright spot in a double-slit experiment, ligh .rx xe4/mnmz ,s2)knbt from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima on either side of the central bright spot i( t;:uzw; vg zn i3:zpn+og7hxn a double-slit experiment, light fvwp: nti;;n z uo(:gxhzz3g 7+rom

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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 exp (mbmleh1c :.h caud.1eriment, if the separation between the slits decreases, what happeneam.b l.m ( h:d1hucc1s to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, i o4-/)mgb4bvysw 4mfwjv:c6l :nodt0n10 ewot is 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 sliomw-vwbn40 l m:wv0otd/bgc6eoyn: s 414j ) ft 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 3 o 5oy:r6be mmw*m1zetravels 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 atxw6 04gbp:hu(m2k p/u(d mnjw a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that poi(2 pgbmh u 4mj(wx/p:w0und6knt?

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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 tok22*,:g s2 ysfjgiydx obtain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light g:*gx2 id2fjkyy2,ss 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-slo. r ud /s+gxfvmo-)t*: h.lvyit interference pattern using monochr*-dy.uoto fsv x:+.rl/ghv)m omatic 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 separates w a a+ve..7 g7t,sujacrhite light into different color. rucv +a,.ag7t7ea jss 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 q l rcpgnme0k;s12b 7+rainbow to form is

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

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly shorter s)8f ;+9ekp. w;h uiq,jxecgm than 400 nm is called

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light with wavelength slightly longer tl 1km5 41bzyhfhan 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 w+- tbtvj 5s9:cfx*dfphen passing from air to gla*pd9 cf+:5fv jb tt-sxss?

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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 pd+0gg tisjwk*09(+ b b ;gcuttassing from air to glass?ggjts+ 0*bcw 0t+ tdi9g;buk(

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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 incidentn/xuijveruqo;a;. e 0 c9gv4; on a thick glass plate with parallel sides, at anv/4 vqj.;g corinuax;0 u9ee; angle 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 distant light source. If sh8t 5za3- c-g ddz7gwlx1os/nl e now holds up two fingers, with a very small gap between them, and looks at the light sou sdgnt 1xo-g8-wlzc z3 /l75darce, 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 we6qg aau-i9 o(idth of the slit increases, what happens to the uaig q69e-ao(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 pefz/qinrk b-5:r cm and the other one has 6000bir kf/zn5 q-: lines per cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only duc nqo i /9y0gyx2z )jazjg7(4ifference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic yag 9xzj0 yg(/qzn7)j4 iou2 clight, 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 cau luvywahhv3o:d; n ymd1**8y /sed 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 ligh hxox4rjz )./vt waves can interfere constructively or destructively, depending on their phas)4ro/h j. xzxve 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 airr5d z+j*6 ,bhqcgg+q w l*vr:q vbi8clp9,:bh boundary, there d8bv5+qz,qiq +lgh v: w r*c9,r:cb6lhgjbp*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 a8cl-- sgmkx1is traveling in air, is reflected by a glass surface, -8xmac gs1k- lthere 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 becomes very muchj4 e zn4kdk*0j thinner than the wavelengekzjjnk04*4 dth 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 the minimumavoc7 )n5g;xn0(wppx thickness of magnesium fluoride 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 intex 0oc ppa)5w(ngxv;n7rmediate 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 o- xol ;mw01ulx 1vdrfpkf5k (cz(d6n* n a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does onuw dknflrc5k;( dlmf *(16o-1xv zp0xe 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 respyfjvig,6qo;/e .inun .9:f mdonsible for the fact that certain sunglasses can reduce glare from reflected ngid9mvey;j, ./n o ifu:.fq6surfaces?

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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 defined ak0ogv7ey)g7lh* 7 nybs

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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 nbnckd+.k rj(55/hade/. zm-:au x; j iefoq/ obtain polarized light in a dichroic material like a Polaroidbde/j5m5 no/ i( +-r.; .ekn:xqjua fhkac/dz 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 axeco 9f9ca t-u 1cz0sr.is of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the two films9u-czfct0rco i1 s.9a ?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from th9 eck6 ojv/wh5e 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 sunlight is greak /-8jxy9b f afr;r.nx :4eaoptest 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 diffraction NOT exhibitedaa5 ue m xm)sbq55ek7cr2zy41?

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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 appejsdsrf ,k1 *ynr x2p,oux8(:qars to be more blue toward the zenith (overhead) than it does toward the horizon. Thi odjs(,,1xpk *n: f8u 2srxyqrs 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 into glass, which ha 8r+s 5kzyyf4os an index of refraction of 1.50. What is the wavelength of the 5ysy +48fro kzlight in the glass?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has wavelength 600 nm in a vacuum. It passes into glass, which ha3 xaf(wa i0fn;s an index of refrw(3 0faxfa;niaction 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 in a vacuum. It passes into glr ah.swiynx++q(u18se ) n1 v)zuw/;jb (lw vnass, which has an index of refraction of 1.50.hx(q;bvew8n ua+ wy1un ()z1sj viw)lrns/.+ 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 in vacuum is found tgtok t,x .*i9bi89f x yju0y(bb0 szq/o 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 (nkvqtlao1.r q( et o g8+x9i,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 founlr)un l* b93fwd 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. Monochromatic light falls :5 rwjm +ah7xu5xh3wdon these slits, and produces a fifth order interference fringe at an angle h w+awx5dr35xmu7h :jof $32.3^{\circ}$. 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 double7hnm ilui()-l -slit and the third order bright fringe is seen at an angle oflm ni 7)(u-lhi $6.5^{\circ}$. 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 slws75m8et rx/ iit experiment, if the separation between the two slits is 0.050 mm axrsem/ w85t7i nd the distance from the slits to a screen 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 isdy :vjno/p*vct x+ 5r- 2.0 mm, and two wavelengths, 750 nm and 900 nm,c yvrvo* n5jd-x/+t:p 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 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 walf1xqt3kq0lre.b znmp ii;3g h-p8q3 08w;ce velength 634 nm falls kf13 rn3e ep088;tzilqq gh;0b.3p-qlixmwc on the slits. If there is a screen 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's double slit setup that has a s j-:qa ,usb*vkim cd9- j4ulo(fzc; d3lit separation of 30.:cm; j o4 zdbqsk*-i d-l3u9javu f(c,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 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 wavelengthf kto5;*e- afms, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction ok e-5*;motfaf f 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 of blue light (wavelend-+jygp8ch o,la 1na.gth 480 nm) and red light (wavelength l,dnahgcj o ap-y8.+1 670 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 on a single slit of width 0.20 mm. What is y-l,oex4 1ylk2xzav( the angular width of the central diffraction y4lyalxo(kxvz-, 2 e 1peak?

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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 ,(oc-qs)up6/o se x8k6 jseih illuminated by light of 550 nm wavelength. Whatus-io )h8s6spoxc6eekj q ,/ ( is the 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 is incide+opo+lvm,(wb1 3nxyk +1l3xh 5rm joqnt 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 the screen+3m3hn5(lpmro1jy k o+l, wx+vq1xob?

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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 t/n9zs8/p irxis incident on a slit 0.20 mm wide and the diffraction pattern is produced on a screen that is 1 z/98np/sr ixt.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 58 :5)op6yetp ra0 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 the first order dark fringe from 6pr :o5yta pe)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. Anoh+k h+,ot6poch: ym08 uf.wb observing screen is pobwo.hc m ko,tf8+pu0h+6h: ylaced 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 centimetepo3 8+xy (in/e nf jifog.r4jxo7hy,0r, its second order maximum is ano j f8+,p3io0nho 4 f(.igxyxj/yer7t $62.4^{\circ}$. 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 pe/8 czbiaqsqv- rzdcj) h2m,4+r cm. The angle between the central maximum and the fourth order ma i2 r czj+q/-zh48b)m,savqc dximum 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 isw:n zoe7 cyb:bkax8nr4/1sa , 75 mm wide and ruled with 50,000 lines. The second-order maximum y4oabke :nn 1r:was87b/cz, x 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, q5:)bjq*d0qksl1xupg8 j7ssc 8j :p blight of 600 nm wavelength 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 central maximum when it passes through the same dqsp1b78cj*b sj:g lp5du) q08sxjkq: iffraction 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 perhb7jt7ia j 8i5 centimeter ruled on it. What is the angular separation between the second and the third orders on thai7j 7j 5bh8tie 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 ib8vn36-x u qfbnto spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear i6vbfnux38q- b n 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 toc/.yj:0 zqacwd,p2o ,euw by1;i r+zh calibrate a grating. If the first-order maximum occurs awro zcwb2z ,+,/.ei0 haqyjupcd1;: yt $20.5^{\circ}$, 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 w: -9rabwb o1fn01y sxnm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed10f:xyrnaw bbw-o1 s9 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 5000ap/ tpsw5rmzu2-4x q nm is incident normally on a grating. If the third-order maximum of the diffraction patta/uw04r t 2qmp spxz-5ern 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 lon qev sx8r8 pm3jm5fa(*g is separated from another glass plate at one end by a strand of someone's hair (diameter 0.010 mmae psj38(rm qvm* 85xf). 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 thi34 gys/sc k46sqezv 3xckness of this bubble will eke63yc 4zqx s g/ss34vnsure 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,pz 1ck 2yg 8)nrctegwn9x4,ge 0kf-s is the minimum thickness of film that wic zyep g fgs4rn,-8c2k9g )knxt, 01ewll 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 nonreflecti nkb0(nll vld/*nud8;ng film coating (n = 1.30) on a glass lens (n 8l0nln vl(*; n/uk dbd= 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 a: )qpk1z gn+/9lw0 jircngj8 bnd the intensity of tqcj91g:8w in rjk ) 0p/gn+bzlhe transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred direction9i;yn 29nk,f0kblsk d rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass 42t8yoc n m-k1ryrk4yat an angle of - nr24 1myrkct4yyko 8$57.3^{\circ}$. 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 +cy2hgfu (od, passed through a polarizer-analyzer combination. The transmission axes of the polarizer anh d+ fuogc2(y,d 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 f i1kgzb+f hi+7 1prz7is the Moon when its image reflected in calm water is czf1+hb+rfg k77zip 1 iompletely 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 w50ei+z1tjbg polarizer and then an analyzer. In this process, the intensity of the light transmiizb1jw 0+et5gtted 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 oo5rj cm:0vt-light traveling in vacuum and reflecting off a piece m0c o -otrvj5:of glass of index of refraction 1.48?

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