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习题练习:Physics Unit24: Wave Nature of Light



 作者: admin发布日期: 2022-08-28 11:19   总分: 91分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月28日 11:19  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Huygen's princiop*j .ju5r/tt:x6wy rple.
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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 a30r. cbt5rpmjb ; fvq+ 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 attribum:aigbu07m+pexc 8b4ted 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 attribr(zh1h r4ie p( yxu9g/uted 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 differentjl2j07g4yx-- .czb mxf *nyba 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 = 590 l8nmonr+s7 z,l;2 e2 ae r,lffnm), originally traveling in air, enters a piece of glass (index of refracti,7el n a 8r,msf+rlf2no;lz e2on 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 =(6tuug u x+pjwo,n6+)6enmfv( g 4ztq 590 nm), originally traveling in air, enters a piece of glass (index of rv) m(t f,6p(6qezjogguu+ 4t+nnxwu6efraction 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 responsiblt;os1+ /pof4+l yxx pae for light spreading as it passes through a narrow slit?x+/f so o14lt pypa+;x

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Radio waves are diffrac bx7jxhh9g7oa+2:p amw 6nk6dted by large objects such as buildings, whereas light is not noticeably diffracted. W6h6pg h bxa9ma+jkw7:x 7dn2 ohy 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 alternafi7c1ad le18 3kjy eq*15zzvqting light and dark bands when light pas1 dyecj7 1vzql e a3*zki851qfses through 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 arncfgee:pra w+-2yilp 3cw8/16 a ekp6e said 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 light r6ltb pe/ /uhh7+ u..nthrkr;kays striking a screen are in phase with nt6b7 .pe/t hhru./ ;kk+lruheach 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 ar1xk 3atlwjiz. ;j a.z2riving at point P. If the maximum constructive interfere2i w3j lztak;x.z.ja 1nce 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 diaw3e z .8oulyv-7 l aw60n,pakfferent paths arriving at point P. If the maximum destructive interference is tv6aw p-el.wan lyo 3k780,ua zo 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 8zxns7cn:8u /r) dmyi,3 tgyuin a double-slit experiment, light from each opening a:i) yrny3g/s t8dmuucz7,nx8 rrives

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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 spot in a doublucr-n3/ sgd s6e-slit experiment, light from e3sn-6 /gcdu rsach 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 sid7rat6x* gm/gttbx )g yjo21g :e of the central bright spot in a double-slit experiy agxg/go*)xt26gm rt :jt b71ment, 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 slitsrjhai-f /+ xfvj h/l-6 decreases, what happens to the d +r/jfj6f-vlihh- a /xistance 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 bhxc,qa; iq1o 5etween adjacent maxima on a remote screen is 1.0 cm. Whcaqqixo ,h; 15at 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 travels pul s6 ompx(5rd1r: xq-ath $P_1$ 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 arrivetd)nr9ul 0p78ye6v ias at a point on the screen one-half wavelength behind the wave from the other slit9a7v6p)lny8diu t e r0, 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 interference fringes .wzww3k r) -gdin a double-slit experiment if the separation of the slits is -w.w k)wdrz3gless 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 m;os )4)hk;t fnral0 8yvlew :maxima in a double-slit interference pattern using monochromatic lig mlyt0 )v)8we;nal f4r skho:;ht 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 exr 4,2ehv9zpz hplains why a prism separates white light into different colorsz2h, hepvr94z 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 wq/9s h zbd;f2rainbow 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 tr+p l:0khpdm 2han 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 isl 6mvo5)xtef.r dc9lwh ud8;.)8bc q v 4wk1uq 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 th c h7)2tfb29 yhe *z )uhew1k1hj0yosue greatest refraction when passing from air to glass?e bh21u usc)t y71ehh)oh2kw* 0jfz9 y

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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 uqi4l k cu8b1uxkjpu ,i06qx-7ndergoes the smallest refraction when passing from air to glasxu ,u4k1u jx pqbi06 8qcil7-ks?

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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 wity c;5dn1z:9jd44pwita0cel a h parallel sides, at an angll:dc j t441ed pzn 0wa9y;a5ice 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 s.su 7cf z-.lf3f7,kga 9pzxn ehe now holds up two fingers, with a very small gap between them, and 7sz39fpk-x. c zalug .,7 ffnelooks 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 diffractio7qn: 0f3r))(v qep8 rh a:fait pc+gpun experiment, if the width of the slit increases, what haepaff7t: pchv8:03g) + pni )rqqaur(ppens 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; j ezn+x2sb w-hx4ygx1,y)cg+ ( c)eudone has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing thc+eszy)y xgc4dhbu1),+- g w xx ne2j(e 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, t5x 9jly ,z)l,;:uru 1xxblkjxsff+9uhe only difference being that one grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the sepak+x ubr;:fs)59jlll f,yjx9xz1,x uu ration 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 refl ihcgpk2*u 12pt7dv x kn1xk(6ection 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 interfere s* eodygpc-d/6mb c-+constructively or destructively, depending on their phase differencee6p dco +g*-s/bcmy- d. 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, )fj .q+iekc p.bk sy912xc dm9which is traveling in glass, strikes an air boundary, there is9f s9j)ckm i.d yep2+kcx. q1b

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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 a glota; 3c3 d otra4u8j(: xvsff)e.dx.zass surface, the 3:4;a.c )(dae vju8.txfx odzr3ofst re 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 view(jinf ql 6vr 388gsae5n,5f tvbp/v2a ed in white light. As the film becomes very much thinner than the wavelength of blue light, the fi5tnsv,fva ng6/3q(i8jrlfa8b25 vpe lm

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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 ligh) r ;ow ,(tsj2.lwskwa(ysd:it 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 wavelength? (The index of refraction of magnesiu( wsot;rajywlw 2is.k, d)s(:m 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 l.o fspx6(n dnv6o s4q)(moo(plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What.s6o q 6ol (4f((dv o)opmnsnx 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 qpodr 2:4:(gielcep -for the fact that certain sunglasses can reduce glare from reflected surface r:i-2c oegqlp 4:(pdes?

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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 de.h)l0 soes5l1 /u unje,+ecclfined 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 lightn+cq*a q-mi5x in a dichroic material like a Polaroid film-xq +am *inq5c?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the transmission axes of two Polaroid films are perpendicular to each otziu);jg1dk1mn8ob3 r: l a ekvzw9/e,her, what is the percentage of the incident light which kz98e :,k / ;)eavniuj1gwzl 3rbm1do 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 ne(r6qpf6md v/g,4+k(dlhap :hi k.z 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 is greatwz ,aiff 2m)z) u7(nmuest 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 diffractnec38 tzefy;i8 cuscl:6k5 e1ion 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 thef uxyqqu/mo0-m2+n p9fc i9tx1k t4f; zenith (overhead) than it does toward 9ou;tu y/xkf4 +9ifm-p2fx1qm0tnqc 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 .7zg3 .(tdyrzavlk2g in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelength of the light in the glass.gr k y vl.7zt3dz(ga2?

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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, lt kyje880v ;,inqqd .x aq772 tmv a35f,oegawhich has an index of refractiong5ttk vqx a3y;oj7meqq da.i ae87lf,,v 08n2 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 6 - q zvnie1n9 jw6e5*d8eel9gl00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the speedl68ew1 5-nejz e9gvild nqe*9 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 izlyjqf mvjc*;36y6 x6 s 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 tyfhkvlc 6/)g d x:5 s-uz6vok7o 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 fow/0a ewj yxj8/tytfr8nd a .*)ib ct 92l6jmo2und 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 on thqa1 h;0nt ,d: r.vagqbese slits, and produces a fifth ord 1qgr 0vh n,bad:qa;t.er 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-slita68ka x u+6itxb8p 0te and the third order bright fringe 6e xpbti6x+k au8 at08is seen at an angle of $6.5^{\circ}$. What is the separation between the double slits?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a Young's double slit experiment, if the separation between q c +y 3cssnj*ni1fi3,1gvfu0the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing 30i1qy3n+vfssjg1nufc ,* icbetween 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,z+vjq9y z*)vc the slit separation is 2.0 mm, and two wavelengths, 750 nm and 90 j+zqcv) *yz9v0 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 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 apa nh2 ek/8ra4opm5 p6 ius0csn+rt. Monochromatic light of wavelength 634 nm falls ou4 c 2r5+ /sn80p6ihpnsemao kn 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 iqdxj y :ww6i0mz1;b .yyv4q 2sbvh45xncident on a Young's double slit setup that has a slit separation ow51 zbs4 vdy:jy q0y;2ibv q6w.mx4xhf 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 bright fringe?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel light beam containing two wavelengths, 480 nm and 700 nz g( ruo- va16toonfh6k4y6 s3m, 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 70thona63ovy gfu( - s1ro6z4k 60 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 480 nm 4yoasp *l3cl8) and red light (wavelength 670 nm) *pl8 cy34sol ais 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 v5a5w uhf9.j*1 v3xp ezzs;obon a single slit of width 0.20 mm. What is the angular width of the f j ho.ez*9pus5ab;3zx vv15 wcentral 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 i7c.r)o9)rhvywy o+ot lluminated by light of 550 nm wavelength. What is o.thow9ro)vy +7ycr) 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 0c4h63w tf1fueb 9gyj 687 nm is incident 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 ff6fcjey0g 14tw ub93hrom 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 akna)o5etv3d 4l6fgf ; nd the diffraction patl4 kdo6;nt3aef g) 5vftern is produced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.300 mm. sd(ob2*vxox 9An observing screen is placed 2.00 m from the slit. Find tobxd*o(x9 s2v he 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 infsl 0wkm0*nuy kq m-31cident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the *ylnfmk 00 u3 kqm-s1wwidth 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 gra1ow b:gt97t f)7h pm74jvmnth ting with 7000 lines per centimeter, its second order maximum4m)nhwfgtt 9 :tp7oh7j b 7v1m 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 betweel1hxn c8a9l m2dp-z/p n the central maximum and thep/9lz1can pd28l xh-m 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 incos x;/ovqy0v-ident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen qv xvoo /0;y-sat $32.5^{\circ}$. 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 wavelengrdliyz,w1fm33g *go o z)ym5: th 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 diffraction grating. What is the wavelength of the light fro3*z3fr,g:gizl1m myow yd )5 om 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 l1r2e9 /mcun ksines per centimeter ruled on it. What is the angular separation between the second and the third orders on the same side of the central order when the grating is/c k9m urn2se1 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 ouohx g2l4pf a)ure 99-ot into spectral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red)92xohlar puf4 g-eo9 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) ijtd .z:u 3dxu27frb2oh*z 2yd s used to calibrate a grating. If the first-order maximum occu :3o 2utbfz7z2*uyr. xj hdd2drs 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 normally on a grating. wtzifut c,w xoz- e *9zes 3-7++saw1t If the third-order maximum of the diffraction pattern is observed at i+,of cu 9s+es-w1*xw-zt7etw tzz a3$32.0^{\circ}$, 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 wiiu4f*l,ldzh6 ckl gvi- 1g/s nc4k0 0avelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is obsersc0i41lh- l*fd6ug i,ln4c k zvgi k0/ved 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 sezfz p1m q.qqyq5dak 3*cf7f*1parated from another glass plate at one end by a strazadqm 1*.pqz1f yq cf53*qkf7nd of someone's 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. uifazy5z(u)wr( 1b f5a- nc.d.5uywwv2 px n9 What minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelennvu2y.b9 fy5 azcd5uiw( fz()wan-p 1wur x.5 gth 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 illuminju20ca(i6xlqf134s kv n bk.fates a soap film ( n = 1.33). What is the minimum thickness of film that will give an 3ki(qv f2uk4b .f0xal1sn c6 jinterference 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 arsw92rb qtv:km*w xz q*0 ) sd9*pet,a nonreflecting film coating (n = 1.30) on a glass lens (n = 1estpmbs:a w *drwqvkx ,r29t*0 *z9)q .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 unpolar1 .jm-q.r m/p* vxykniized light and the intensity of the transmitted light is 1. A second ideal polarizer isqk1mrx -*p i.vm.y/nj 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 rowc-gh 1 8aem.z3z uo)qtated $30^{\circ}$ 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 glah3dl5 nq4nm+ 7ez--i1d p ebjak *daw5ss at an angle of 4a- nhdq+ j p5mw 31n7a edd*l-ibzek5$57.3^{\circ}$. 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 transa +3 po oz(8okuch(m;jmission axes of the polariz auooph 8j;+ckoz((3mer 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 reflex9-c3uidr7 y pcted in calm water is completely polarizedx-rc93di puy7?

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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 .sb(e+6vboe lthen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What i+.v(es blo e6bs 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 i wnc:fye 0kb-gi++f-(y a 1lsin vacuum and reflecting off a piece of glass of in:kcnyse0iaw-+ff(ygil 1+b-dex of refraction 1.48?

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