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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 principt ymw)t)uj;mung9 /;k le.
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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 state/f-ms hpa4ckh4/ry 1aoc p9 f8ment?

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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 touc((.e )y0w b m2 .obtqm4mvyh

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory c jfk7m /y /7o 9yaew80etrye)of light 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 entercghvo r+sw3n*gs5kv;; o t/m*s into 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 = 590 nm), originally traveling in air, enters/gj eax:a d-ee9 2r+ht a piece of glass (index of refraction 1.50), i/teda+e ehx:j2ag -r9ts 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 = 590r*pt es- s39eo nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wav3o9ts- ee*psrelength

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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 a/ov2e pcr+dhji/c)shb )12 l as it passes through a narrow soc/c1 2r2 )+) vldpbise h/hajlit?

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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 build ;hekv8lqxcs6 wq8 de t2z w3ydn0+f5(ings, whereas light is not noticeably diffractexd50(qdw;z ve6kn3sht fwyl+cq 2e8 8d. 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 jq wpb5)s9x s83tm3ggfor alternating light and dark bands when light passes g5mbqt83ws9)s 3pxjg 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 are said to be cohe)+o 1,gjlywscm; qhmokxvz1n* +e/ + arent 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 n.18ichh k qj:are in phase with each other?kjq.1 ih:n8h c

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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 travevcjch msnv/. 7m9;9tc9gsp *t:9dnu xl different paths arriving at point P. If the maximum constructive interference is to occur at point P, the two beams must uc vtc9:/9 ch s.ntvgpn*sj7;x m9d9m

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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 point P. If;sag*pzwr8 yj3ub46+ kk27w dunr* rg the maximum destructive interference is to ;jyu+gr6 ng z7 bd3*pau24kkw8r s*wroccur 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 d 41: 2cdkyisyqszhogx49y1 w)ouble-slit experiment, light from each openinq:yxz1d)4w4shoy y291s kic gg 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 either side of the central bright spot in a doubl dlsr(lz)a,4 v7s: zll.fpjf-e-slit experiment, ligpl r7.:( dlla f4szflv)s, z-jht 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 -d-usg *z/:n/io(t 97zftd2bijym hi spot in a double-slit expe/un hdzb7 y(i /:si-g mtt-fo9 2ijdz*riment, 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 slits *v+wcee ll 4j-fxfv; +decrease +w+-vj;e fe fcvxll4*s, what happens to the distance between the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is fr.g eb/aum nvy l,7+4observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when mnf .vbru,47 egl/ ay+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 pmx0 x2wjj4eezwk9* 8bf d9u hxxt*z; 9ath $P_1$ 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 sl3(2*l0fa ov(uc epyzmzjk ,k 0it experiment arrives at a point on the screen one-half wavelength behind the wave from the othecyu*j 0zf(e , a0p2v lm3zok(kr 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 interference fringes in a doub/k x0ou 3/0udqv pv s7qa5c/bule-slit experiment if the separation of the slits is less than the wavcuksxva0uqq 7 d//u opb350v/ elength 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 df4vd ,yq*zhjk6l;b j9ouble-slit interference pattern using myqhlfj k,v 6*bz49jd; 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 separates white light into different cksnt 9 )lt 1rk5l+zatx3k*,fxoloraxtlxk 1z, l +nt59trksf) *k3s 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 allow5d1sj -v8 sqpxei2ws8q+rh6j+ cue5 xs 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 than 402l4c1su qb 2vu0 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 lh4 vto3yrp svn.3u9b1 onger 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 when passing from air tod7eyv2)lk4 rs glassl74y k)r2vs de?

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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 refraction8c meu* y8n(x3e .s.jfwfi9fs when passing from air to glass?e98 i cn.j*(f.x8 fsu3weyfsm

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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 incided;ap3) dmy ljhy h,ao /-83d +ummcqpl;5,lzjnt on a thick glass plate with parallel sides, at an cy;p ,+q j5lmd 3;zdp)dhmam3h8o ua,-/y l ljangle 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 she now holds up two fingers3)isi;rg3vahuvp ;o- tow w ,2: cob:l, with a very small gap between them, and looks at the light so pu- i2ocl,3:;o;vt: a or3h)swgbiwvurce, 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 w tvyjlv(ce c,a+ *s/cb k/12hkidth of the slit increases, what happens to the width of the centv/cks e +clh ,2(tjk ab/c*1yvral 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 tlg jpm ;2 )(ts5dmd4j4000 lines per cm and the other one has 6000 lines per cm. d5;mj d(lsmg2jt4t )pMake a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the on 2e:quzjj-ub0 ly 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 2z ej0:u-ubqj 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 cauyb8:7q+ isvldbil4e 6 sed by reflection and

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  We have seen that two monochromatic light waves can interfere constructi8 o xitpa37s8d 1lj+yfvely or destructively, depending on their phase difference. One consequence of this phxsop+3 1 yf iaj88ltd7enomenon 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 i0ryxvbww/;6 x8ra0bn f) tqb:s traveling in glass, strikes an air boundary, there isb;0 :t0 nxvyw/6rba fb rwqx)8

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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, w9 ekakx( a;)jk.s:sf xhich is traveling in air, is reflected by a glass surface, th9 ) asxe(.xafjkkk:s ;ere is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film be qpkal)5 )rks9comes very much thinnepskkr q 9)5)alr 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 wavelength of light in magnesium f+ c, wzyo+yqoyhei /(6luoride, what is the minimum thickness of magnesium fluoride coating that must be applied to a glaso/6yqy+ih +y,ze ow(c s 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 plate and illuminated from ax0 uf/:c5t 5 7lla4rk+sdphckbove with monl5xk0+f:r /cs4luc ha57p dtkochromatic red light. When viewed from 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 responsible f +(k1k76uvldufx;ar *t/0tn ccb o )fhor the fact that certain sunglasses can reduce glare from reflected(f0v;f ) cbauduh6t* nk r1ko+ t/7cxl 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 direcb25 4:n cgu4tsa.fu7p .kko.qonef c3tion 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 polarizels y+nw5 c-+emd light in a dichroic material like a Polarocysemnw- 5 +l+id 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 .5 iad+k ga3r )6aw3f/xmadbt of two Polaroid films are perpendicular to each other, what is the percentage of the incident light which will pass thea6gd /r)aadwmtb+5 3i3.x f ak 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 c0 e +iyletd 54u* q38gqvi(oqthe 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 .x;hdzbjkn*5qwq7 :0x 0y exo 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 diffracticl-2ffe-av- cxn 3f0nbtrh/ i hgc52 /on 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 toth n0r r(i-hen *.6eriward the zenith (overhead) than it does towart( i6re0in -.he *nhrrd 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 ioi7qffr r t0liz5(2l8nto glass, which has an index of refraction of 1.50. What is the wavelength of the light iflr7f8 i2(o q rzl5i0tn 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 pasi l (dq-;o+5vd 3mgwiyex-(x qit1ss:ses into glass, which has an index of refractio-l(viqegy i ;o i( mq ds+dt1-s:xx5w3n of 1.50. What is the frequency of the light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vacuum6 wp8a8 *1yumen/ggkb . It passes into glass, which has an index of refraction of 1.50. What is the speed of the light e*b gy8kmanw 16 u8g/pin 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 m7lt- *s ie mw6ix/2cpis 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 dwm9zuwi 6 9s7550 nm in air is 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 foundpakfpw4mq dv;13o7d c:lg u ,/ 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 o3ikfci r+57;-ad7gj xhlax7 kn these slits, and produces a fifth order interference+7r5dkc ikh3a;7x-f7x gi al j 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 doujb*-d , wi q5f.st:pfzwct g*-ble-slit and the third order bright fringe is seen at an angle ob-,5qwfdp wj :sctf*gi-tz.* f $6.5^{\circ}$. 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, ifk xq;p dl:5bf6(c a6if the separation between the two slits is 0.050 mm and the distance from the slits to a 6xbqc i lf6pka:;fd 5(screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 x5w.d+omz k,bmm, 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 coincide with a brig5wxoz,d kb+ m.ht 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*na 8 wqf;bzkq.apjurmw/gjt ; efn6; ;v87v*.050 mm apart. Monochromatic light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjp8/kf q6gjmte vr qu*;n a znwf;awv.;;*jb87acent 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 tha2t04egwr s x7vt has a slit separation of 30.0 mm. The resultant bright fringe separation is 2wr4tgesv2 0 x7.15 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/ woa*+ye6 vcq and 700 nm, strikes a plain piece of glasycaeq/* ov+w6s 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 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) and red light (wan(vhxc )zzr )l ltg6 bc6e:6j*velength 670 nm) is incident on a th)(xc tbv glr*zl6)je:z6nch6 ick 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 y* 2am o d+ykgzczw*of285/glwidth 0.20 mm. What is the angular wid/g* 2 mdoycf5zywo* za+8klg 2th of 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, is illuminatcnv7s9 /ched;ed by light of 550 nm wavelength. What is the angular separation between the first two min/9c dc;envs h7ima 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 on a single slit 0.75 mm wide*: s)zs*adrm b;g cfkmqpbj2 i7f5*;q. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of *c:sz;5mf* r7b)a2 pq ;km *jifqb sdgthe 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 and45 e,zc s2b gfom)4jk 7epoj7j the diffraction pattern is produced on a screen that mjbjz)f44jeck e,s2 57po7g ois 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 xmdtgr-mn- ed4z( u:k7i w5w(580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first order dark fringe from the center of the screen4r g m (n(-dxietz7k:-du5wmw.

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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. Ang e16syx;s3j i observing screen is placed 2.00 m f sy6i31xjge ;srom 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 likw9ko 1xuo d s7o2v9z/nes per centimeter, its second order maximumook 9sz17/ou vdx9w2k 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 between*,u akwma. ux4 the central maximum and theawa *,m4uku.x 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 is 75 mm wide dhnp2(sa. q5wti *j6jdc,woiq7y zf54/wp /rand ruled with 50,000 lines. The sec q7 cd5,sti fiydz 5j 4jp hpa6w/*w(2/wnrq.oond-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 producesa ftu mh*482 m1 l(m2n4bfbwns a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromath1 n mafnlm2wsf4*b u8mbt2(4ic 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 c)rb,em3 c fvq g0l(0yper 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 illuminated wg0c3vef)myq(c,b l 0r ith 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 grar68zzs 5avil/j 8t8, a 4izeutting. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear irs 6 aat5 jeizz/8,i8uz tlv48n 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-orde;diz y+ ujyle :(rvj7*r maximum :rejl7(d *yj; y+ uvzioccurs 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 1:e)4uf g) *rnqzmtofwavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pat ogzt:)mfq)4un r1*fetern 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 tx1 ;.sr5 rkvydwu,s(500 nm is incident normally on a grating. If the third-order maxivdts(; .u kwx 1ryrs,5mum 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 anothertrifg +*us ;a/y z pom7e)j/;l glass plate at one end by a strand o*; s a7tjg ipz+;lremo )/u/yff 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. What trs,5rvij7v*ui / 2/ihwlviib 0ke b 5bc7 b+:minimum thickness of this bubble will ensure maximum reflectance of normally incident 530 nm wavelength lig iih7 bui/wclr:*/ivi0k,bbbrvs5v t5 e2+ j 7ht?

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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 bh-a(fv o yyyf*o3*2v film ( n = 1.33). What is the minimum thibv*o3 *vo -fyyah2(fyckness of 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 nonreflecti1qr gsvf56 xs*ng film coating (n = 1.30) on a glass lens (n = 1.50) forx r*gss5 1qfv6 wavelength 500 nm?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal polarizer is placed in a beam of unpolarized light andc5 vr))i vgg5rghn52s hzkt+rp j0+p7 the intensity of vc57+s jk0i5)rv2+r gnpg5 t)ghprh zthe transmitted light is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferred directuyp p6;w7y yn9ra4 c0o3*qwdp t7 w3diion rotated $30^{\circ}$ to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of unpolarized light in air strikes a flat piece of glass at an angle ouh*yp(nd ,u4vki v 2j2f yv2ui,n*2kvd4 hp ( ju$57.3^{\circ}$. 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 polar0 e76bplz4-hppu q. 15z 3tovnuv ,wcuizer-analyzer combination. The transmisvn o3vl zu7e4p u-w 150p.pcqb, t6zuhsion axes of the 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 reflected in calqwj;b g ytch yx91/t*e4p+e *km water is completely p ;1ptcb4jg/ewy k*q ytx+h*e9 olarized?

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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 ab l/ka88zkw8o/exg z /nalyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer k88/e / lawz/kobzgx8 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 vacuum and reflecting off a 7 (bibkjq6 :y/e )dsjweh,q 2jza* 8hepiece of glass of index7h*qj6qsad,y8 )jk:b (e2hj eziewb/ of refraction 1.48?

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