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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 princi2nlr/5 jzsmmgb8/lv/ bsf v)o /1b cl9ple.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followiw( 2bb(if7 k*zw. llshng 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 att-tuaqg9 2j -5nk .zuqsgxdk72 ributed 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 lic41qj 0jp6b f3rc4 jopr f3h/tght 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 optical dte36 avp37oh*qjsg2up. sef7kq g e1/4z7qsfensity,

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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 (wavmin++2i* ;rp)lk sbrcelength = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its frequl2 ri )i*+n;rpsm+bkc ency

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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 ai p6kzahm43fn 5) zenn:r, enters a piece of glass (ke5:mn4n36hzfp a)nz 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 th,g 6 bw,q(txqnrough a narrow slit(b,,tn q wg6qx?

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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 buildlgbyw3eurj ood6 30.7+/ kvmzings, whereas light is not noticeably difvbz7g+mk j.6 ry3od o0 wl/eu3fracted. 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 foo*( 9tm4h f0k,zbo olyy:hy +vr alternating light and dark bands when light passes through twoobm zyv0, h *ytho+(94 k:ofyl 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 to60uv9a-3pp bsuhqs. g 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 striking a screen are ingwm6j q xp*.6 ggkp+)c phase witg mc66g+*wpxq g )jk.ph 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 arrividife7;1duoql,4h.i dy; , q0 cejby-lng at point P. If the maximum cons j ;. 7 lhd;,-e0qid1i4fblde yycuq,otructive 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 pa+- gm ncl3 mcf 37dm8xq2nfo.wths arriving at point P. If the maximum destructive interference is to occur at c7 +8nwln.3md-cgqfo3f m 2mx 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 cxg dhm-2t 9z cj6ovs*cj8ol/- entral bright spot in a double-slit experiment, light from each opening arrives/o8xoj-cgh *tzds2m96l -vcj

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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 brightmb 6k t g6s.dgep39,bv spot in a double-slit eegvt 96b3db g,ks 6.pmxperiment, 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 side of the central bright spotnnak n 8kvh.u5*ro 1s2o8qg8u in a double-slit experku aso g1onv.*5rh2888uknqn 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 between the slit*hrt dwwu v-)t94k wq/iuo*r.7r jng;s decreases, what happens to the distance between the interference frin t dk7.wv rrr**-t/n;j wg)u9h4 iowuqges?

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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 *drdqw57u o-h kx71je2krv4kpaq .;dis observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the ov*kp 4 k;uqw1der7rx kjha72d.- 5dq distance between adjacent maxima when the slit separation is cut in half?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One beam of coherent light travel.rg.8lu l7 f1yo z 7vmn3 chs0bt6,yqys 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 aldjh4q)u 2t 7st ov8a x;kp92at a point on the screen one-half wavelength behind the wave from the other slit, which is o 7a d)jhloxa;vt2k8qs2u 9pt4bserved at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interference fringes in a double-slite 7auzrt +/2ws experiment if the separation of the slits is less than the wavelength of the ligha/rsw+ t7uez2 t 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 doukmis 4- iiw6,vble-slit interference pattern using miwsm kii46 ,v-onochromatic 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 separatesm0ev(4nn .w pi white light into different coloin (ewm.np4v0rs is

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which allows a rainbow l34)f pj-frdn 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 nm is cdn9 2a/ mi+2rzn7.tq v:0mw wlszk sm8alled

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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 cali w v.97xyjlb3led

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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 refyze,t0w+z 2vazvlqs, p*gq/ /raction when passing from air to glasszq /a,ts 2*yl/ z ev0p+v,zwqg?

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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 refractio03 1c3 c9vg so agdjslgiaj295n when passing from air to gla svca5gcjl0 3sd2 oa99 i1gjg3ss?

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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 incide*elz/-z:z voynt on a thick glass plate with parallel sides, at an angle bo:y -l*zez/z vetween $0^{\circ}$ 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 ligl2)wu+ 7mutjlh -j1gq ht source. If she now holds up two fingers, wit-hgj+ jl1ut )2mu q7lwh a very small gap between them, 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 diffraction experiment, if the width of the oy p( leblef7tz31)k2slit increases, what happens to the width of t fb1)3k2e(y7toellz phe 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 gratin awy/gf . u1lk+ar;5,iu2epp qgs; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the dispersion of the two gratingquag+/;riey 5wkpu1f.2lap ,s.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffractxgpi)xb5hkbvmtj; q*con 1ws0309(rion gratings with the same slit separation, the only difference being that one grot xr kbnpgci0;m1x) qb5s*h90j3(w vating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflecayh s)i/+ xd8etion 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 intee 1 xb8ljogb14rq ,j pkbx88t-rfere constructively or destructively, depending on their phase dif1xpr8b,e qjbx 4t8gk81lj -b oference. 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/b j9 lxlrjnlty,)50ddj;c; p air boundary, therydx9jll; b r5j 0dcptnl/ );,je 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 g /zv+bbt9)cc j1vkw1air, is reflected by a glass surface, therezj tvkbw1v+g9c1c )b / 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 th kj(u3kawqx fu,qv9.) e film becomes very much thinne().qk 3f qx jk,9auvwur 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 wavelength4 eht . l j5konghapaa;/94b0ehr. 5xf of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wk5re.aga h9jh/he pfn;t. o50l4x4 ba avelength? (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 placedt, 2kar3ujl gc9vs2 j752ooc o on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are obc32v u75,lj rgao kjtc9s2 o2oserved. 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 sunglassefkq +rj4jt9i n(x/:l js can reduce glare frni j+/lq49( jkftxj:rom 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, the direction of polariza:sqxx2w2nr /2 nh(bsution 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 cid ljtz k*d2 bh07pv4:x-oh4 a Polah0:j-l 7vd4di cbo2 4xhtpkz*roid 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 filmi:i.wt )c1 bxbs are perpendicular to each other, what is the percentage of the bbc)w x.iit1: incident light which will pass the two films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from the surfacm *;;vlx p+srq3gdevu 7sd.u)-n3 qxke 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 sunscih6r0,quu9n i.c y8 light 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 diffraction * ,1 r,.dh/pryyuxrc -frkmr/ 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 ze)z2 *6jy lw*-kipn16s mehao qnith (overhead) than it dok m6 2hsqlnijpz w )y1e*ao6*-es 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 in k:.d+ux0m2gjve 9uwt to glass, which has an index of refraction of 1.50. What is the wavelength of t xjgm9tu+w u2ke:d0 v.he light 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. .qe a *yviet7d,/q7ng It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside the,7advqe7*iegyq .nt/ 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 vaw9i. p3tbuv+ie .s /uncuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the li vwt/.bpuun 3+ ie.si9ght 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 vacuumht -tq+- jjkd2 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 tol ljr7rbrw4jbz +/.)3a f5rxr 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 ai(9ix7t8 qfejd r is found 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 l/2 pz r( yjv,qsg-8/vi2ftwp light falls on these slits, and produces a fifth order interferl,zfrg s y-8pv/ (j/ t2qivwp2ence 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 qm 3:3 ;;b i9rfpig; yqkwy.e :o5spgrdouble-slit and the third order bright fringe is seen at an a gryp3 q.5; ;f:g kmiqi;espb 3ryw9o:ngle 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 ;3rqp3ln b8rn experiment, 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 betwe8brpr;3n 3lnq en 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, an2+ggmnmzi)t9jdj+h 5l6 osw7 d 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 s+ )7lgz tjhmigwonm6j +9 d25one 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,2hzviqlv7 +c 3-pwgs 634 nm falls on cv pi,37zhv2w-+q sglthe 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 ur-*pjh,hhqkv 2a)fw);r a0 sxe-m2h has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between the third-order bright fringe and the zeroth-order b-- 2fhq 0wr;v)axshu,rmp2hke * )jahright 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 nm, strikepby ed*o *a5d1.bc*kos a plain piece of glass at an angle of incidence of 60e. The index of b ko*d *abyd1o* p.5cerefraction 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 of blue light (wavelength 49 at1lbmq0, 9g.fm e4+ed skdu80 nm) and red light (wavelength 670 nm)9 q,m9elfsmue .td +gd 40a1kb 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 0w(h2qqmw 7md 2 ka0*fb.20 mm. What is the angular width of w f bkw hm722(qa*dm0qthe 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 illuminated by light of 550 nm wav6txmq8-zb0 eg7 i;s xvelength. What is q bz 0evxt;8xi m7g6s-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 incident odwgs z1g:*t -in a single slit 0.75 mm wide. At what distance from the*z-d g swit:g1 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?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the e 4,goa)8 95uezfkzc,cjfa/ka 4bca .diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the centralz/za 4g8k.acbae a9,ukf5f, cc4o)je 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 slidfg(( :0u sbprt.cfxjb ; 1s-pt of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark frinb(.(1pr ; bcp s-xfjfguds0t:ge 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. A+rvyq ,u f -lu0b8ii:vn observing screen is placed 2.00 m from the slit. Find the width of the central maximum.qyu,v+ uvi l:f0b8ir -

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates 0j0knih;l 0u aa grating with 7000 lines per centimeter, its second order maximum i i0;ak0unjl0hs 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. 3 ivzbf b0v96h5md5gs The angle between the central maximum3zhg 6vfvdm b 9b550si and the fourth order 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 z4y va8s( mzw 8n 79rjy7hnw*-nip/ajgrating that is 75 mm wide and ruled with 50,000 linam7jw(z w7hy nz /vj*- p8 9rsnia4y8nes. The second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength pron. nr. kfjx5xy+m5 cx8duces 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 cent5 n.8 ck5rf+xxj .xmnyral 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 centimeter ruled on it. W (ry)r0 *zrodyhat is the angular separation between the second and the third orders on the same side of the central order when the grating is irrd*0y(oyr z )lluminated 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 teuha yd+0 jb5 bv(w,qefi94 8jhe grating has 2000 lines per centimeter, efj,(b 0u49y+ 8qeahiv dw jb5at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the first-order *bb9ars6 qkx yu7nn;8maximx*;97n qra8y b ksbn6uum occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normr7u8rls3,yln ally on a grating. If the third-order maximum of the diffraction pay3 lruns ,rl78ttern 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 norsm0tl4vfr 5 )jvf; fg4mally on a grating. If the ttfl4vv05) s4mgrf;j f hird-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 ys2jo,h*r vu+4iy ,u5r 5i dswglass plate at one end by a strand of someone'suso +jr *ywu5r24,hvdii5 ys, 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 thisg8b4ur7-g hk ckness of this bubble will ensure maximum reflectance of n gbrs gh-4k87uormally 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,gpr,qo.qjo-p206v d3 cnjx os the minimum thickness of film that will give an interference when the light is incid.o3qx 0rn26pjvjgqo, p-cd o, ent 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 nonreflecting film coating fwfxr4mnr + 8(kh5 1abzt1q:p(n = 1.30) on a glass lens (n = 1.50) fot1 +5fnpwkh:4r1fb(8 xa zrmqr 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 liyk.ijm;a k; r2ght and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its referre;irj2 mak;.ky d 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 ro/ trvj1kaj/c9,a8ya v iu wc35tated $30^{\circ}$ 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 uao8 dt2:ac,pof glass at an angle of pcdot2,ua :a8 $57.3^{\circ}$. 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 89eyf0lt0lzo a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer areo90l 0 lt8fyze 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 reflecteda4- xe h 7,emnmkf k8hg-vz0k/ in calm water is completelynk,8ah -0/ee zxkkmf 4gh7-vm 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 pola-0blx;0vt5f l09r6a +mfk:csp osoj erizer 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 anglemklvs;r00: 9la0 sjp- o+t x6b5ofe cf 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 al :m2r a33 )hatcvkg*vacuum and reflecting off a piece of glass of index of refractionv* tah:k 33 mal)rg2ca 1.48?

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