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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 principlef x b-n.fqk/t cu24o 9eq+5pvq.
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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 state8he b5 .(f7xt g 1os1dwiapdz.ment?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is att,bwdg 3 jsoa) 6trbt qmgiv w)7)88qo+ributed to

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The particle theory of light is atf5 ;a*lh;ii1o 1t6zw8zzcf yztributed 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 diz:x rtraewty2omq w h25-, 6.hfferent 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 t8fgtzx0 v :vzhd/g96air, enters a piece ofd 09xt hg8gfztv z/v:6 glass (index of refraction 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, en .hk m:r.+g4: iwipxbiters a piece of ii: kbgmw+4:hpx.r .iglass (index of refraction 1.50), its wavelength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for lig ,g3 1 rqodfojk22gy8wht spreading as it passes through a narrow slit?32yrggw 2o8kq, fjdo 1

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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 buildyw ofe6i*tw-: ings, whereas light is not noieowy*:-w6ft ticeably 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 responsible for alternating light and dark bands whenx d+/g.h2 mqhg*gzejw (w+1 ig light passesjmi eg qh(1. *2gg+gwx/dhzw+ 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 tg:lbct fi2jy63f mx2, o 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 twoxo 9a) izc la8n,c*w(h light rays striking a screen are in phase ww(a z nx)ailc,c*h89oith each other?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arrivingh)1( ovb8g4 rnqd. ik xv.6bna at point P. If the maximum crg8ai.n)q bv hn (box.k4d v16onstructive 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 lighupj5mv6 uj5- ai:a wi5vx t-z;t travel different paths arriving at point P. If the maximum destructive interferen j-5mx5i-uv vwi5pja:z t;6u ace 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 cen4 7 ssscu(w:5g i9ky 3wr*ka.myb8zogtral bright spot in a double-slit experimembk(y:y*ra w uci5.9 s8o4zksg3 s7 gwnt, light from each opening 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 doub 8z3:uht c(j9. zitcfble-slit experiment, light from each ojf8zc ubc.i3 9(t:th zpening 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 spot in*i;m w;btj ee pg/a6h:kf;8ak a double-slit experiment, light fmht;awjpke f ie;bak 8;6g/: *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 separation betweenj) oez,ryoo+a10pgw0 the slits decreases, what happens to the dw zor,p 10jo e)+0aygoistance 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 experi,u7ap(cl -q syment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 clp,7 c-sq auy(m. 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 tran;ox*:/ czbggvels path $P_1$ in arriving at point Q and another coherent beam travels path $P_2$ in arriving at the same point. If these two beams are to interfere destructively, the path difference $P_1 - P_2$ must be equal to

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a wave from one slit of a Youn;( ,z5charewqg's double slit experiment arrives at a point on the screen one-half wavelength behind the wave r(z wh;,ce5aqfrom 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 infhw6 y0vo gf 76tl:t4oterference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of the light used?thofy6wvl:76ot0f 4 g

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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 maximabub fj;4r )aivj)s+0 n in a double-slit interference pattern using monochromatic4+v bn)ifu0j rj a;sb) 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 ex ikr6t v0;hv3o cpv7s:plains why a prism separates white light into different colort0o7sp;cvr6h:k i3v vs 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 to t7gmm.6 oo pcjx 31v:qform 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 scbp7svoze0p-j kr9rz.gb 4 7c: ek: 7llightly shorter 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 m;kx/n ./spig7op.u fslightly longer 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 pt7ix cuek*duu-6r( *9)nxbt undergoes the greatest refraction when passing from air to glaspex (dk it*-9u7ubu)x*ct6n r s?

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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 fri 7wwjhg+79 ;z mx+ gs:vfc0ypom air to j7zx+mv:sgw iwg p fyc 07+9;hglass?

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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 incibg/ gbrfjmen3mc ) (ari1u-6 5dent on a thick glass plate with parallel sides, at an angle between 56ba(fgrn 1)em ir jm3uc-bg/$0^{\circ}$ 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. i3(ly86pq4bto0g sr a If she now holds up two fingers, with a very small gap between them, and looks at the rpalq3(0 gyi6t o8bs4light 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 7dd wlh:b-cbwi f1t vr/*b2t1 the width of the slit increases, what happens to the width of thhdbi/w-t rfc:d1b7 tb12l v *we 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; rx.r 5 qb8 )e vi5s2nn ;frsc6)iit8h:rfbaj: one has 4000 lines per cm and the other one has 6000 lines per cm. Mak8rq :5fni)e . bbsxf6r8ht2sci:)5 i;rnrvaje 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 ghi0mnt98i +c3zcg zm 2ratings with the same slit separation, the 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 zi8 cnh29tczm 0m+3gilight, 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 causj twi h hg98966-a1ei ib9vluved 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 intejojm/r ymss; pg8o5 2/rfere constructively or destructively, depending on their phase difference. One consequence of this ph2;j5ogsy/j 8om mspr/ enomenon 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 ishklxg63h e4k- kpokrz;,z40d traveling in glass, strikes an air boundary, there ip k rd-z6kh,kehxkgz4;o3 04ls

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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 glass surfactb lxhm,e80 d)e, therebl,d0ehm t8x) 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.n9tgb7y 3 cnb+ As the film becomes very much thinner than the wavelength of bc 7bg9y3 nn+btlue 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 fluoride, what is the minimum tnb ; 5rhm8zl2rhickness of magnesium fluoride coating that must be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refr5n r2rb;m hlz8action 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 placel8-(mf6l r(yx k 4izsgd on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observ4 lr lkfym(s xi8(g6-zed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for)/ndtm /n0 pgk the fact that certain sunglasses can reduce glare from refletn)m d/nkg p/0cted 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, thail ()y8 )skv8kp7i;iha*dii e direction 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 poa+atrq b +5eyfl-y b*1mr/p,. p/g.gvr yzq c7larized light in a dichroic material like a Polaroid f +gyla 1p,bfevqzrtyar5cp by .r+ q.m/g*-/ 7ilm?

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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 Polarorgahb9 hu 1k,mm.4u5nid films are perpendicular to each other, what is the percentage of the incident light which will pass the tk5mu. 1bh,rga hu9n m4wo films?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sunlight reflected frfycp0x ) sq/,, k8ajzhom 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 greatest at p*a0ker onu;1 otk(venms389o; isz 4

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction NOT exw v59(br gls./r .j6jspkoq 0vhibited?

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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 b oajk;socmdi6sc6s0; ; e3 gb4lue toward the zenith (overhead) than it does toward the horizon. This occurs b4ak 0oeb j3c6is6g;o;c sm; sdecause

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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 655n k-qm wdind8h9hl2 00 nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wk lh5w-hd5nm9n d2i8qavelength 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 g9sjgwu8 omak, u,x0,q/. tca dlass, which has an index of refraction of 1.50. What is the frequency of the light i,,t8 o/cauqk .ua mw,9 jxdsg0nside 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, which:tgb,a.zzdpp6zk5) oshr48u has an index of refraction of 1.50. What is the speed of the4z p5 kgdp,: hszubaz)6.8tro 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 i-z3w dy /sm7 w3doc6fps 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 cs8 c6jua*yf5 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 found to travel ah:;(xde +ww- dug+r e3u2 dsktt $1.96 \times 10^8 \; m/s$ 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 these sl msjjch6d)n -a4e2:v kits, and produces a fifth order interference fringe at an angle 4: n6h2ed-v)jj ac mksof $32.3^{\circ}$. 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 ui)g im8ko 3:slea9x)third order bright fringe is seen at an an ) guk:axoeli83 ms9)igle 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 sepzcx04+y6+i h dddd m(laration between the two slits is 0.050 mm and the distance from the slits to a screen is 2. z dx64(lcd0+mdhd+iy 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 2k(4 cxdb*8mx kln9bg3.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate4nxc9kd 3m x*8bbl (gk 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 apart. Monochromatic light ofn1vcq:+d1;d,s or dn;ic xmn8 wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apart are adjacent interferc;;+i d :dv 1,nnrmnxdoq8 1scence 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' cp9r-ue ;w )gxs,stu+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 ts wtxu,- u 9p+cgs;)erhird-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, 5uc/h p h2e:st480 nm and 700 nm, strikes a plain piece of glass at an angle of inc/u5:echt 2 sphidence 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 (wavelengt ka9he7do: ec+s,c.aah 480 nm) and red light (wavelength 670 nm) is incident on a thick piea c7e+heko .,:d a9sacce 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.ce e0rl-shp91 What is the angular widthr9lepe- ch0 s1 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 illuminated by light of (k41 y +aak*blhzi(ca550 nm wavelength. What is the angular separation between the first two minima on either 1cya (lhbkzkai+(a * 4side 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 nm1e q43ayrmy zx x0m9c9 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 diffzy0x49mm1 a3yr9x e qcraction pattern is to be 1.7 mm from the center of the screen?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 610 nm is incident on a slit 0.20 mm wide and the difojn;;wb*he. f/wxyv; fraction pattern is produced on a screen that is 1.5 m from the.;hf ben y w/xwv;*;oj 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. zqlq.vn.+lm 70pr 7myiwd v 64q2/m;enwkla4An observing screen is placed 2.00 m from the slit. Find the poqv;. vn.lk i7m lq+ r6wam4ezq40/72ynlp d wmsition 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 h9 74dme e m)*yn45cqeu vlh nfa)vk00incident on a slit of width 0.300 mm. An observing scree4)v05du4emhc n 0*lfne)e q 7 mvha9ykn is placed 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 cxiv-;(amhr z6) dk4(3etrk k7toi 1aientimeter, its second orde4akk;-x(rkvht tid m36ez)1o(i ar i7r maximum 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 pjp v (it,7+qgf-e:z w qp5rs(wer cm. The angle between the central maximum and the vwz-f(( i p r7,egstqjpw+q5: 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 and ruled wita( 1xm fwn:sc.h 50,000 lines. T.1na(w:xs cmf he 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, li1rl+ 4wd6 svxk.a4f hlght of 600 nm wavelength 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 diffrav.1hw x4k6 rs4dlfl+action 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 lise8e awfof 3ag5 /829kniy xb7zxty) 7nes per centimeter ruled on it. What is the angular separation between the second and the third o xksefyzn/ fio5x3by7w9)t8 g2 7aae8 rders 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 spectq b /78j2stcpqxww+u .ral hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear q.wjw+uc7xp8t2/s q b 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 n,0d j+ 4ziapqsm) is used to calibrate a grating. If the first-order maximum occursjps,a0d4z +iq 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 +oanw8 i 7wabv0rw2 (aon a grating. If the third-oabwv +a( o0n8 2wwa7irrder maximum of the diffraction 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 ishemi6pt;uf ) 2g 0ri9w incident normally on a grating. If the third-order maximum of the diffractiof 02gr)mhue i9p6;itwn 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 separa (1h wkanh*)w de)cxg1m(wo. dgh z76vted from another glass plate at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands whekdw(.*awg6x)1nd hhocgz( v1e7hmw ) n 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. a+exty2l w b7v osj d2m6):ir8*t 4cui What minimum thickness of this bubble will ensure maximum reflectance of normally in b)+ytrcawm8 7lo:vux6 iejits d2*24cident 530 nm wavelength light?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 500 nm illuminates a soap film ( n = 1.33). What is the2:repk t j ) d/bfptmcy:57j/c minim)/c:jjtp kd5y 2rp7 e:f/ btcmum thickness 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 thich3bysfwl.9 se8af6 l;kness of a nonreflecting film coating (n = 1.30) on a glase.f fa63ll8s9w bsy;hs lens (n = 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 beam8z:pnka8pl60dje1 y ( +hnd- jjkaj2 i of unpolarized light and the intensity of the transmitted light is j0pn e p1(k+n 62kj 8j-yialhd8 :djza1. 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 prefe/o ijrvrmyswwf 9n464d:e1: arred direction 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 3ijfd)b vyn1l )pdl,mq .) 1krin air strikes a flat piece of glass at an angle of 1 j )m,dky )n1bdlprqvl).fi3$57.3^{\circ}$. 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 h5d1il.n 8-h3gmrms gsm; ln:passed through a polarizer-analyzer combination. The transmissiislg.;:dhmnmmnr8- 13sh5lg on 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 horib p.+pqa09 cawzon is the Moon when its image reflected in calm water is completely polarized?.9w 0b+pca qap

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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 hqsie cr/ eqf020 e+9gthen an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What is the angle between the axes of the polarizer and the eiqqc 2e0fre+s0 / 9hganalyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster2 )m5hje sm/yk 4t,jso's angle for light traveling in vacuum and reflecting off a pset/jm4y,m5 2hosk)j iece of glass of index of refraction 1.48?

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