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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 princn us/r3htr0v*u 29db df yw)q9iple.
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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 statemeijh3nc)b 1y*(.zp g jwgn eb+-nt?

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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 lighlpoq i;o7 ilm.cpaw:1q56e;s t 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 light isx74j,d tcbfm,1 e)yw yssjs2 6 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 intn 0n0+kdz6lfpe4ft 6 io a medium of different 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 light (wavelength : eaogn/y( neq:zl*r7 = 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50),7r/:nzeqo:*naey l (g 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 /bg7 cen(*lmc traveling in air, enters a piece of glass (inde*c m7( g/cenlbx 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 through a narrowm(oei; ql 78u(nqqu 6f q8lque67(i u fn(omq;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 buildings x7 khuwqwlq99f5ss80 , whereas light is not notic s58w79ufqls09 wqhxkeably 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 responsibsx k.4s3p;df. )wqwcsle for alternating light and dark bands when light passes througqpks4.w )fd c;xs.3swh 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 *rub5r-q fp0 fbe 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 s-f-: rdp/fgixtriking a screen are in phase with each other?dfi/-g-f r:p x

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. Iwg , +crqwb*u0f the maximum constructive interference is to occur wbqcru+w0*, gat 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 pointukor. w 23yo-0 n)jecz P. If the maximum destructi.uwj3-e )2 kr0oy ocznve 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 either side of the central bright spot in a double-slit vne22kuh 7: cv +,yairexperiment, light from each opening ai+ ny hc2v, 7kra2e:vurrives

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first minima on either side of the central bright /dv6 wh61ax9uy 4iqtsspot in a double-slit experiment, lightxv69/t1a hw4 ys duq6i 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 eit)8l jwulu-ga:her side of the central bright spot in a double-slit experiment, light fu 8w)u-alglj: 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 experiment, if the separati)iza4x1elyxaiu.+au izbeky3 x 7 v+w:-wk 44on between the slits decreases, what happens to the distanli. zaka 1bk7:x)x43viyewe+uw-i4 zau4 + yxce 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, it is observed that the distance between adjacent m; ayheg9e( x. *z zkkb0s/u)r/i 7rtjnaxima on a remote9 bxj sa;07ni)yk*r .z he/(kzeutrg/ screen is 1.0 cm. What happens to the 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 travdr4lo/m cgp ra.v,l6r,x9z c/i oyu0 ,els 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 sl z,2r fq4 j1:y1d fpmi1gentc-it of a Young's double slit experiment arrives at a point on the screen one-half waveleng11gemf4tydfjic 2r1-p:,qz n th behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impossible to obtain interferen.9:qyptojg,1 *rg mw8*oz p9y8 tpuwdce fringes in a double-slit experiment if the separation of the sliturzy1towjppqo8t :*w8 pgd ,9.yg m9*s 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 double-slit interferemn33rq46gt abgpm fm( 1 :iqf8 e),juqnce pattern using ena m,f3qqgmq:f p)j 364 m8grutb1 (imonochromatic 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 separat4yu .3hx, wn6kt* :i1t gosj xz3oov0aes white light into different coo*:n6 s 3tz1,jy3tw 0xo4iuo.xgahkvlors 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 allo 8 cym9gon;.s( vc9fihl;1x dqws a 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 thankmmc)o 8 5rhpifme, 4o0br5x4y)y4u x 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 than 750 nm is *nmft:bfobp (x0h2+mcalled

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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 qn 56mf2wyg2bf-aq 3 qoe6el,undergoes the greatest refraction when passing from air to ggyel-q6w,aefnm65qo2qb 32 f lass?

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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 sma zhbu 6ju /ym8-hge9b)llest refraction when passing from air to glas8bh 6-9uebj/)mgy huzs?

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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 zv; b8e32mayiu-tl g :thick glass plate with parallel sides, at an angle between evauyt 2 ;-zl8 m3bi:g$0^{\circ}$ 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 so2ux l 6zrd7dyexr;w-ach 1rk,)b 35tfurce. If she now holds up two fingers, with a very small gap betx);l3edxrf r-z dwr27 ,h56 tkyb a1cuween 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 slit increasejzml-tm* v( 30lll hh4s, what happens to the wl *llhth 3mjl- 0zmv(4idth 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; on*;km9pvn2t izdz (b7q e has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing thq(b7* nk v2tmz;9pidze 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 separam -f5 +so*p1wfq ndq(0xvliu)tion, the only difference being )+fqqw5sifuv(x l-1d 0 mn*pothat 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 are caused by reflect8k8coib j gl*2d d9f7iion 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 interfl jj4gff: /pp0b8mk z;ere constructively or destructively, depending on their phase difference. One consequence of t :b8lf0m /pj;gkzf4p jhis 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, srl+ tkgk2j u3(trikes an air boundary, there istjr2g (+k 3ulk

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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, ;hxo nb.236z /s4hi oqg,nsemwhich is traveling in air, is reflected by a glass surface, ther 6;s/inmn q34 ,go.o2ze bhsxhe 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 vi;ug)jkn*ita-. r2xwh ewed in white light. As the film becomes very much thinner than the wavelength of blue light, -ha.* r2i)nju ;gkwtx 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,3drrs8gn 8 l8d what is the minimum thickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The indernd 8d l883rgsx 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 plat)y tixe3ihdb k2 ,34cqe and illuminated from above with monochromatic red light. When viewed )ih, 4yq ick3dbe23xtfrom 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 respo 3yftt+csdf4 2k9z+dpnsible for the fact that certain sunglasses can reduce glare from reflfzd+ 9fk+34ys dc2ptt ected 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 direczei ryj+y)pd050 m pqghj 6f4(tion 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 is b bbn;9kbnjzfuc .-7 i;xs*6n a dichroic material like a Polaroidnbc7 sns-6k .9x* ;fizjub;bb 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 axeobm++tdx qr43s of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass the two dm3or+bt4+ q xfilms?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected from +2i 6/zjnhw8ligh7bs 4dbgoi7 y9,kk the 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 i7/c60tooihd z s 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 diffr181p .okk2 /ipxhs gi3 aevc5haction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith (overhead) s,su+/ed cb 3ithan it does toward the horizon. This occurs becauise /3cd ,sb+use

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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 waveleng(-s 6 y5 yomms:omfm)vth of 600 nm in a vacuum. It passes into glass, which has an index of refractimommvs( s ):6y-fyom5on of 1.50. What is the wavelength of the 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. It passes into glad,q6 xtb9vy;iss, which has an index of refraction of 1.50. 69,bqidy ;vtx 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 glass, ws x e6.hkutgo0xzz.p83uv d* -hich has an index of refraction of 1.50. What is the speed of the light xx u uh-g.z3z tskpd0oe68.v *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 to trsr b.p9kd ;qk j5wgz-mc.8a0r avel 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 isx0 +)t 3izljtf 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 fou f )5 tqq1g:h7+aqunqwlpa ,g5nd 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 f dt c1mdz i5+txwvvs,l94+eqb5x6 ( fqalls on these slits, and produces a fifth orddmv et15 x lbq6wzvxf++(ts, 95ci 4qder 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 4ufq nhi+//;f7 l hhkpfalls on a double-slit and the third order bright fringe is seen at an afu/7hq/ in phl4;fh k+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 experiment, if the separation be o)5l hw;whr9stween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 )r s;9wwlh oh5m, 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 2.0lv9y *u6unl*7 rx9u bs 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 screenxlvu9u* 7u9 ly6rsb* n 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. Monochromat q ffreqf5+r 5:qx(s- r5f2br4h2lwteic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far ap4f2trqrfs- qff5 ebrlw(5+: e5 2rxqh art 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 - ,lbjyin;v:m on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from m:iyn lvj,-b; 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 wa6n*slkn6pgk 38; mlh4( axq pavelengths, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the two beams ; nqx k6lgk(63 amphap*sl8 n4in 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+ rt. chkmg7ui-h 4unbd**n- z 480 nm) and red light (wavelength 670 nm) c+-*bhthg .7d-zn ni4m ku*ruis 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 the angui7 ol(a2e1yn (hzl+nk(o r r)ylar width of the ce7(nay ( yzr()o2 klnro lieh+1ntral 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 5nu(q zhm+re 3of 550 nm wavelength. What is the angular separation between the first two minima on either side of the cenezq h+r(nu 3m5tral 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 sinbm 3t (pq7iih6gle 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 frommi3(t6ih7 pbq 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 diffraiy agt00 3 vjm-1yz z.rpgut5*ction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximu -i 0m*tvypza05ytzg31u.jrg m?

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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 sli 1+.wdx-hjqi1lby qy(t 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 f1. bdy+iwhyjqxl-1q( rom 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 widt 90bgp4d o)r *(sypksrc oc.4loif (u(h 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central max0scp .i4k ()9r r4cd(o *oolbsgpyfu (imum.

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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 centimeqg()59 j lyqytter, its second order maq qlyyt5 9)jg(ximum 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 angle betwq :)l la/*/vdj6 i:bmg+ oqgsfeen the central maximum andsjmb*l+ : g/iqqalfod:/vg)6 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 grating that islm c. fooovl1qxz 50hz8i9/i( 75 mm wide and ruled with 50,00vl /h8(zi1of0 mlcoiz.q95x o0 lines. 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 w 3wpg o,;k,jneavelength 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 sapegwk ,,;3on jme 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 d k yn:whm*+vl+hul3- ruled on it. What is the angular separation between the second and the third dn+ k +wl-mhlhv*uy :3orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a cn 6l3i)fvj3nuw; x 9agrating. If the grating has 2000 lines per centimeter, at whaj9u;a xfnn36 i3vlc)wt 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 t4ncx,w7z )n5luxt.ugrating. If the first-order maximum occurs at xnc5z ),.tx4nu twl7u$20.5^{\circ}$, 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 nmiwq:f w; )0.od)qu clmq1l sh1 is incident normally on a grating. If the third-order maximum of the diffrac;fwis) c10qw)1 :. qdlm oluhqtion 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 gr+zoq nv+u j:* 40w hw/neqp,ovating. If the third-order maxim*:/wuzojn4 vvwq,en o0qhp++um 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 glassazjo 6k84 a6t:uwe5ve plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of we6jka:4w5 v8zoeu a t6avelength 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 refri5oa59sw w7* bi a(joqaction of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530(a7q59b *owai sj woi5 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). Wha;nyj7ad1 m e+lv cmy77t is the minimum thickness of film thatnc7m1 ajv 7;m+7dyely will 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 thh1gboubp 8n5ftu;* w u3o x:d/ickness of a nonreflecting film coating (n = 1.30) on a glass lens (n =:tho xu bg1uou/wd5f b83pn*; 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 ligha - 2l 2m.r wn3fmgu5tg5x24 hxkbyuw0t and the intensity of the transmitted -u252f.n amtxkh 3m4wl yg5wb2ugx0 rlight 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 direction rotatqta 97;x( oxueed $30^{\circ}$ 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 tmx48m vl8+ven,o4 wadge+(d air strikes a flat piece of glass at an angle of 4dv,edan8 (wxm+e 8+tgm4 vo l$57.3^{\circ}$. 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 combination. The transm:6mv*d6c;f lg z, tccoission axes of the polarizer and the6 l,6z gc:*;ovcfdcmt analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon when its image reflected.wd wcblx :zby15 -+yy in calm water is complez bcy+ :wbldw.xy5 -1ytely 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 passepx3m6d2 u wrhgo2 mp6);0dtcc s through a polarizer and then an analyzer. In this process, the intensity of the light transmitted is reduced to 1 3o)mw mt p6gxcpd2d;0r6uhc 20% 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 travelingmjs k .6 dsbpq:ysdn-3u.;u4s0 7axgf in vacuum and reflecting off a piece of gkgf7p x0qnu: m3dy6u j4ssb.-ssd.;alass of index of refraction 1.48?

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