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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 principl,4 rib3y)(ugrwfgcbqbhe,-oc n 4 5h7e.
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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 -t*rj t*s*wzx 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 attributed 5tu(ircpi wr e+;*d 0dto

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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 attributedk;y9z;fu3uaa noh95 /g p*eiz 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 densitfdw l1 )m9)f2jlxd:no y,

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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), originally traveling in air, entersgj; .zv( wb-oq a piece of glass (index of rwg qov.zb -j;(efraction 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), originally traveling in air(bfsap1 anejqr 8nz/ x7o2+f-, enters a piece of glass (index of refraction 1.50), its/nje- 8x +zsbp21q7aaf (ofrn 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 spreadin-8u. ywlepb7ng as it passes through a narrow slit?-b78 lw pueyn.

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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, whq.40k+ou,e :b. x z ridknvww)s m4ht4ereas light is not noticeably diffraq.z4 h)w 4.i:mk s 4rdbvuet,k0n+xwocted. Why is this?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for alternating light and dark bands when lidohz2a+ (n/ p0szgm)vght passes throu2o)0 (+dmzsh ap/ngz vgh 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 z2fkii7kd h3q 9v ll7sv7i ,x5said to 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 lo6, yvu+*.mlg 5 :hdtnxb2 tx:cas 8wgight rays striking a screen are in phase with each othercb*dx8y, 5nt x:wh2tmog:vl 6a+s u.g ?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherenti p bqcjkb2.cfa 1.k6)7bbhj3 light travel different paths arriving at point P. If the makqb h. 1k b.bac)cjfji723pb6ximum constructive 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 paths arriving at ponel8bu6 xp3s50q6 wgl 8im pl8int P. If the mxln6 ws88pl 0q5im 38e6bplug aximum 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 either side oedqaop hevs (417i0 nrq*c9h9 f the central bright spot in a double-slit experiment, light from each openaqeervcsq *4 79np(1odh i h90ing 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 eit,qhuk-t fi;n8 her side of the central bright spot in a double-slit experiment, light from each openi;nq iufk h,-t8ng 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 rapamg:4e9j2e 68 kiibright spot in a double-slit experiment, light frpkr:e29iaa ej4 gm8 6iom

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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 ts+sgfief 2,b-8x3 yftxn5aw7he slits decreases, what happens to the distance between the interferencys7xtfi ,fg2f8 35 -asenbwx +e 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 zht/q4l,) gcuayp8u2distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacenty2qt4uc),z /uha 8lpg 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 trhck 9meo;t*s 0avels 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 oxw:u.l hq+v ktt bfwo/7.1-zl;5a uhohwl 4b4f a Young's double slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at fbtw7bul/oh.a v +w;4 x :o h1tz4-hwulq lk.5that 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 do)6mqvwcd0c6d)- 5 w d cy+xfviuble-slit experiment if the separation of the slits is less than the wavelength of the light dm 5dqv iv0cc+6) -ywcw)6fdxused?

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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 ins 0qqc7u4.o)fs3nf vt a double-slit interference pattern using monochromatic light iscofus0f7q tq)v3 n. s4

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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 whzz ugu1 dxx-1in(xd 2f1ft6 k4w x1r6yy a prism separates white light into different cozn1wxu61412fr -dyux6xki d tz1( gxflors 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 tos3p- gog ,6j ;n4uvttl 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 sho 8q/bm b33ipxdaq 3- +6mkocyzrter 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 ljod/u( c5v9r qonger 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 refraction whtrs4( xzy; umv /wkb6/en passing from air to g(/zt6/ s m4 xwkbu;yrvlass?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which color of light undergoes the smallest refraction when passing 6e 0ils )ebnkl1+p t05;mqmt ht6rb l,from air to glast1li + p)b6m0 lnhet 6trb,les5qk0 ;ms?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with parallel sides,zv29 sv/ nk o:w+ oup1;;mwcjp at an angle betwezkw u 1/:v n+9jwp;sov pc2;omen $0^{\circ}$ 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 lighqf0 ku7x(.)v ofuh,vbt source. If she now holds up two fingers, with a very small gap between them, and looks at the ligho7xhbv .fk0) u(qv, uft 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 diffractio2vb js9* otc)o3ac ga*n experiment, if the width of the slit increases, what happen*3j bg2)c9av oo *tcass to the width of the central maximum on a screen?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings; one has 4000 lines per cm and the oth0c1i3z- hflb.s j-(k:;,mc w:w nlz xedstc1ber one has 6000 lines per cm. Make a statement comparing the dispersion of the two grac ;fzt: cs3( wcz 01ni,bkb.hx1ml:sdwj--e ltings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffract2zl4)h*mkgjr p e0y be+-lc-kion gratings with the same slit separation, the only difference being that one grating has 3 * )-em0hkpjlcgk 24ye +b-zr lslits 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 at gk9zeqq,tjimnjnw / /4 :,)nre caused by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves cn6(cagocsteb -n x2 f6 ga6:sgim)t9: an interfere constructively or destructively, depending on their pha)gt6aos xe2s9 nm-f gn6b(ctgia6: c :se 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, whichc/zg 4:w w0see is traveling in glass, strikes an air boundary, there iew0e/wgc:4 z ss

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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 air, is reflected by az2vc(0qfk zo 5w cy78d glass surface, thez( dc8kw oqc7z5v2yf 0re 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 the6)rymvc3 9*sddv t(u h film becomes very much thinner than the wavelengthd(d9shmt6y)3vr uv c* 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 wavenp ;*5l(q l.eri:) 5dx:cke:crd ifozlength of light in magnesium fluoride, what is the minimum thickness of magnesium fluoride d.5f p exr q;:rcil():k *l5dzni:ocecoating 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 plat:zf+ 2fozm/) bhaymm/jfqx-7 e and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one obj) b2yoa/ mxh/f7z f-mq +zfm:serve 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;ey/y-t 3re7el /d9)2ri6oay, b6cseh aprm d fact that certain sunglasses can reduce glare from reflected sur/md9pb/3,s6cr lr)at-hey 7o id; a2yeey r6efaces?

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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 polarizfs 48nd-toiq p u4;8ajation is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material like a Polaoy/+ku2 wzqpm;hva7 1/ p ya+kw1v m7qhozu;2roid 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 Po s oakv 0wt bm-u.:0csug*mz6taon4.9laroid films are perpendicular to each other, what is the percentage of th.vu*. s9n0zc6smu 0o4t kw- amb ot:gae 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 surface ofx pzd,fc8* w9b 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 grew lvppuand8d+7u6ma 4k:f0 m7atest 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 diffractu t-8a:fhl*74si*h sll o6ggmion 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 (over6 tg0 3un)nd:h5hp6tsk6 1un zc.yprw head) than .k zhnunp:6cdn6s1gwhtu5p6y0 3)rt it does toward the horizon. This occurs because

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light ($f = 5.0 \times 10^{14} \; Hz$) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum. It passes in b4+dpdxmd7v-)d/vc b to glass, which has an index of refraction of 1.50. What is the wavelength of th mb)4dd/pbvv-dc + 7xde 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 x i3a*6yq9h7ltvwgc9kgx xo 00bzk1, a vacuum. It passes into glass, which has an index of refraction of 1.50. Wak9q390v bl7owkx* xtyi6gzc 0h1 ,xghat 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 6lkzx0t/ zk92(fmt z .8e)vnud00 nm in a vacuum. It passes into glass, which has an ind)8zdf.u(xke/zk n0 t2lmv tz 9ex of refraction of 1.50. 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 6)fx ,1nl 70 bj3dxdhft v8csvvacuum 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 4gjbv* jg.4o oto 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 ayun070bccr wx m0)3 bfound 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. Motfo)hm9 t. k3mnochromatic light falls on these slits, and pmfh 3m.ttk9)o roduces a fifth 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 th9i i /mxibg c27-tmu(kird order bright fringe is seen at an ani7txg9-i2 (mb iuckm/ gle 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 nh :d5bpd85n +.ois6jh j-azwslit experiment, if the separation between the two slits is 0.050 mm an8nshh -daoj+5wz:5 d. p6jibnd 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 separationr9ef7: v z5tot 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 coincidtt z :oe7f5v9re 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. Monochro0uf75x4(sr9wsc xqh 5y fk uw5matic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adr7(hy59wxfqkwu0 554usfsx cjacent 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 o,g6myik7 ,1sa vrmao tp+in7;n 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 the double slit. What is the separation between the third-order brighta g7o 6n,,kimasrptmy 17vi+ ; 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,y ,aw+(lfjpn c18*o6dg2 nxwt 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 1owt xn1 wnflg( c 8ya+j6,2dp*.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 fos/tas9 ja vwf4z1/4blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piece t1afj /oa4 /fz94vswsof 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 width9 /:*8 bqafkd *v+segpeet-bbxn1k6 u 0.20 mm. What is the angular width of d e-se6* bq1x *gkutvnkbb/ 89+ pfae: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,bf:5ch 7 gfji1 is illuminated by light of 550 nm wavelength. What is the angular separation between th1ic5f g:bf j7he 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 iat27l x 5l5xv.)cykeencident on a single slit 0.75 mm wide. At what distance from cky xev7ll2a)5ext. 5the 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 thr -9 fsl.g.j2-ouhexyz,dd 5le diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width. sljl- 9r h ,x2fud5ze-yd.go 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 o6y ;ex o1u0 b)rqujp8zn a slit of width 0.300 mm. An observing screen is placed 6x yu 0p8b1zoq)eju; r2.00 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 incidagx t+4;x.2hwb:2t n j-jd jcment on a slit of width 0.300 mm. An observing screen is placewj.;- jdg2+ bt2an x mx:j4chtd 2.00 m from the slit. Find the width of the central maximum.

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When light illuminates a grating with 7000 lines per centimeter, itzg+ co96 nvw q-6y,knis second order -k o6+gvz c9n,6wyqi nmaximum 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 .fxv-qs,ib / ranj2 0i)msu9nhas 5000 lines per cm. The angle between the central maximum and the fourth or9f0 /- asnqxvm ,uib)sn.2i jrder 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 is 75 mm wide and ruled w 519t sxx.jl xdhl33ynith 50,000 lines. The second-order maximum is seen 5tyllhxs3xd x1n39 .jat $32.5^{\circ}$. 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 producesphhx rp0r)4m( a first-order maxr)(h0r x4pmhp imum 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 grating. What is the wavelength of the light from the second source?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A diffraction grating has 6000 lines per centimeter ruled on it. What is the an 7n8cysf0cu;ji+ vd yb p5xg/3a1f7jxgular separation between the second and the third orders on the same side of the central order uyp7/a+87c d jyf5 fivx1n0x3cg b; jswhen 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 gratinc(7mm4*ivmtc*e2 h wma:4c hh g. If the grating has 2000 linem( hmcah* c4:mcv4mhet 72w*is per centimeter, at 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 thea xe,imgncn1by). 0 q6jd h(0w first-order maximum occy,6eciw0ahq 01nxm. gb d(j)nurs 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 incin vq7its65i5j- u gvq98paoj-dent normally on a grating. If the third-order maximum of the diffractiqas5vqnjot 7i689v- pg j u5-ion 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 5 s)y 4 mw/1bntja+w,mz00 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is observed a4bm 1wztysjn wm,)+ /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 one end artj-7/ 34219j/p5kbd0 um inro dotv km:rjvby a strand of someone's hair (diakt 7 1 arj4/k2 mrvdonu03r:pdi59t/j-m jovbmeter 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 thickness of fl )ri)l:xe8aju v81s this bubble will ensure maximum reflectance of normally incident :jfea8i luvlr) 1) xs8530 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:g15c 8*yxhr .t:vhzhcpqj *n = 1.33). What is the minimum thickness ohhh j8 :1xtqr.z5py*cv*ng c:f film that 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 thickness of a nonreflecting film coating (n = 1bm4jl9i 2)w e5 g(kiii.30) on a glass lens (n = 1.50) for ww9)b(l42 ii5i jemig kavelength 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 ao2e-+g7dkl xqhs )piye;1 -rp+7vmc end the intensity of the transmitted light is 1. A second ideal polarizer is placed in rpypqlv-oh7ks+;7 eexic) 2+m1dg e- 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 d +b:3:o6q70hwzdy: jfti q ulgirection 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 aqq.3;hbnh-vcr zt8n8hc u b69ir strikes a flat piece of glass at an angle of vcuz63hhb;c9. rhnqn 8t -q b8$57.3^{\circ}$. 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 combinat ed.wui- 2j unyo/rn2-fx9)nsion. The transmission axes of ti9jn du2u/ enxfwr)-.2oyn- s he 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 horizon is the Moon when its image rr 2izhc-sg. ,odh(:ew3:qasqeflected in calm water is completo. cqh(aw-d, r3se:izq2g :h sely 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 this f2q rtv3wknjv3vf)3 67d3k msyo a/l +process, the intensity of the light transmitted k/m tf3d2vr+v36)laj7f3 qwyv onsk3 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 41fpj2 .: ak;sniw,tmd -ucvovacuum and reflecting off a piece of glass of index of refraction 1.48-a2o m. ;ui f4ndwk t1vcs:p,j?

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