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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 princie(cu82 z- x4spub- xllple.
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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 fals/eu,gcj2xm n5e 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 iwbr 0-g7(hb; s6au**cqdqc pattributed 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 lightgrg yn6htxxx ,/j,;4p6 e)r qw 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 enters into a medium of different optic7amekp7w (7ut2gryp l;t uw 0(al 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 trah 0ccq e7-kr7sveling in air, enters a piece of glass (index of refraction 1.50), its frequencysch7- 0 7eqrck

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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 00 ragae yifgn/9hhx qm-x880air, enters a piece of glass (index of refraction 1.50), its wavel0fm89 / igyh xn0qae8x0hr-a gength

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsi)n ,fjkbkxs44g, mm0g ble for light spreading as it passes through a narrow m, xb)nfjs 4g,kmk4 g0slit?

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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, wherev(a -ufds+rj*; tw/(oeb-b elas light is not noticeably di+otj b/*efabruvel ;-( ( ws-dffracted. 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 82ivos,w pv ;li*,+: o wxlfeb+ae7tjbands when light passes through two or more narres;via ,et, +wv8j+ib l7po :2 *wxolfow 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 eck((,)q +: eys/+mougatx p+lkooff- p8.qm 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 rays striking a s 0ckix 4mr( k1: kpq(j(ew.fgs*2z adwcreen are in phase with eaf2ak pdw(:z jq* (1(imwekkxcs. r40 gch 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 arriving at point P. If t8j)qv)qt 9 ,fq hr;ydxhe maximum co)vy f8xqdqh)r, tj q9;nstructive 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 arrivg+w( n)znxg*bing at point P. If the maximum destructivenng()gbz*w+ x interference is to occur at point P, the two beams must

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the first maxima on either side of the central bright spot in a wxet9ghs. o1 *hmhl:, double-slit experiment, light from each openiht9. :hsom*,wlhx g1eng 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 double-sl2yp7.zt 8 a/ope ojpb5it experiment, light from each opening arrizeop 8 j/72pbp.o5yatves

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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 sp: vk(yjzph,o,ot in a double-slit experiment, light fj hkv(o:zy p,,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 th jul vv)4cix,,iyy;9oe separation between the slits decreases, wh iy,y4cu 9o v)jx;,lviat 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 obsm) bu0 8( m n:f-8hzrqb(hyvuyerved that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens (rhhuvf- 0u b)b8:qynmz8m(y 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 5ki(9ep1 iyuh light travels 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 Young's double slit experiment arrives at / yshv vu2hg/g18uag4, 5tj bz1*o ygja point on the scrggbjg51 ,z/*8 1tyh2/ huyv vjao4u gseen one-half wavelength behind the wave from the other slit, which is observed at that point?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Why would it be impos8 (/ash1 m/6dzq*/hzcxquzwjvr*n m .sible to obtain interference fringes in a double-slit experiment xv /**sauzrnzmw6mhjh(q z/8c.qd 1/if the separation of the slits is less than the wavelength of the light used?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The separation between adjacent maxima in a(k6lc 0-jeh ms double-slit interference pattern using monochromati6 k0jl chs(e-mc 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 wh;9qcs)ohhiz3 ite light into different col 3;os zhq9)hciors 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 fwij 6:m2ebtor 8j1k ,zorm 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 thandj/hwqy i/i(ne. zr; 8 400 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 wavelengthee)lf;je:tfx). krg;m c ,n yk2dt(q 7 slightly 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 underg5)7g(jqlri0 a4 ipgjhoes the greatest refraction when passing from air to glass?05 l7)4hjgarqi (gjpi

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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 thewqt8d/h75b s(oasw.w smallest refraction when passing from air to glassqhstd wb5 w8.7o s(aw/?

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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 thic4 umy;q6ha3fr, htr -xhy3nb )k glass plate with parallel sides, at an angle ytbnr ma)x-4rh36 fy3;u,hqh 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 finge0 )/ *q6-lgth ntwnnxrrs, with a very small gap between t nl0 grhx*n-n w/t6)tqhem, and looks at the light source, she will see

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single slit diffraction experiment, if the width of the slit increaszkeyp 7kv, 5j2es, what happens to the width of the central maximum on v 7p,k2z ke5yja 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 othe:vsnctcz *ft8r p 64+sr one has 6000 lines per cm. Make a statement comparing the dispersion of thes6f +prc* s4nv z:ct8t 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 separatiot+pafaja g bp9ub; cxmm(: j+i zcso9972on3:n, the only difference being that onet2g zo3ab+7u9;fc m o:9 (i9 cba xsjpaj:mn+p grating has 3 slits and the other 4 slits. If both gratings are illuminated with a beam of the same monochromatic light, make a statement concerning the separation between the orders.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The colors on an oil slick are caused by reflection rwkx l3:qt.w,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 inte(jcdjn.;nu; p y7ny d7 bk+j8orfere constructively or destructively, depending on their phase difference. One consequence of this nb8 n. nc;yj +;d(duyj7k poj7phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is traveling in glass, strikes r.7maroyo 3 pkdp08s -an air boundary, there id0 op-o. rrkm3s 7a8pys

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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 os8a:nu ( r6itby a glass surface, there isaou8 6r(tsi :n

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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 whph)0e an.wy4zite light. As the film becomes very much thinner than the wavelength of blu0wz 4apy).hnee 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 minimump7xbwygpy +i-cl4/oy. ps z2 1s5c gk- thickness of magnesium fluoride coating that must be applied to a glass lens to m5.os1yxs / 4kg+l2bz w yp7-ic-gpyp cake 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 fr.sdot( yk de(6,.pnftey o *0com above with monochromatic red light. When viewed from above, concentric bands of red and dade0.k*,n o .6(p edytytocs(f rk 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 for the fact n5phb+/7 c lns/ + u5gaw)ybqn/vr-vlthat certain sunglasses can reduce glare from reflecteulq/7s5v /w/5nvl)+nya+ gn h r- cbpbd 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 direction o b1ikhc1m l/(ef polarization is defined as

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the process to obtain polarized light in a dichroic material liko42unpnsc e k*cp)01ke a Polaroi0e2cpnn 1k4k *soup)cd 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 Polzhmri t+wa89*xk1g 88v 7.ow0 fn htqjaroid films are perpendicular to each other, what is the percentagt8war90*k8j8 v +1m7 g.hotifh wzxqne of the 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 of a :wq2qjveh.w/ 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 greavq9 f xuhf7p90test 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 isis9i. f3cnzf/,3 z4nqbncm0s diffraction 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 mkay+) *-dk6iq, drol;n0k lc the zenith (overhead) than it does towardla kdyklm, 0c+)* id6-r ;nkqo 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 into glass, which hasvlg .n drj(q*ez*dp**9 fo2u b an index of refraction of 1.50. What is the wavelength ofegdn.pr(2z oq***u *l9bdjv f 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 spjm-6ek tmtp 7qeanm)7ts 8j+ 3kj e32g7z3 ra vacuum. It passes into glass, which has an index of refraction of 1.50. What is the frequency of the light inside th 6kmq e78ps3g7jt3+j2 tt e sjzkp73renmam)-e 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 600prw7m28p(y edn j-b 4m nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What isy2 (n p pmj87m4-dbrew 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 55t7-os9lvaj y 5jt ph70r;p2dc0 nm in vacuum 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 m.udhm*) )fgxin 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 555 x3frli2c unq6xn c b+h7i2zzr4 q5r-0 nm in air is found 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 lfe;m8qsms -, light falls on these slits, and produces a fifth or8, e-lq;ssmfmder 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 third order brigh9-og3pm8a ikr;x yh o3t frinm oi;xh3-8y9 p r3aokgge is 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 k /42m *gwsb d;xsj,azbetween the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, finzsx,gd;sjk *2/ b4mwad 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 b9u*ywiv9-ir k at:o2kky43ddv .ju + 2.0 mm, and two wavelengths, 750 nm and 900 nmwbk3:dv ju9 2-+*vidaoyyt kruk.9i4, 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 apart. Monochromaticx.18r xct/r2r;f acdq light of wavelength 634 nm falls on the sli xqd8cr2ct 1xr;/fa.r ts. 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 i ;eish51w 6kq /ydn4knk/ r+dgncident on a Young's double slit setup that has a slit separation of 30.0 mm. The res4is/qen56+nk1 k/d; w rgydhk ultant 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 nm, strikesh .wc.:)yix qrtb01; yascrf5 a plain piece of glass at an angle of incidence of 61trah:sb.0c);ir.w qy xfc5y 0e. 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 (wavele q1vq.hnej:1jn. c9 m ( tcfd3c,a8jwvngth 480 nm) and red light (wavelength 670 nm) is incident on a thic9ch .tnn. (1 ,awqe8dmv: 31cjvjqfcjk 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 widr3nsc,8k. eodr7 f,su th 0.20 mm. What is the angular width of the ce,s,7fkeuo3r cr .d8snntral 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 ise/sx/u /)nt8g kyj*yq 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximumn ykxug/q/ye) st*8/j?

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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 sljr( gl57c: je s 1n1ggh3dsvo;it 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction patt517eg(o3lcvjsr hg: ;djs ng1 ern 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 d1cropgi2hf;bi9 d - x6o9k q.giffraction pattern is produced on a screen that is 1.5 m from the slit. What is the width of the centra 1igo9qi.gh 6-dp;9 xf2k cbrol 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 sm/dkoj3xr9 ;uacty; m 8z5 g:lt mim520ay. cslit of width 0.300 mm. An observing screen is placed3o yrs/xc8y;;j5matum02m:5 l g9mkacd. zit 2.00 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 incident on a slit of widthahz/ qpi65k2ia(9hk3o9vqt2 bg l8 f a 0.300 mm. An observing screen is pl3i82 fa q l ktkh(pzq9a2g9iovb5h/6aaced 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, t +nnu 7x.vr-uits second order maximum is at+-utnr.7nx v u $62.4^{\circ}$. 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 7-p l(7jnrk t84gdlv dcm. The angle between the central maximum an djl(t7kvnl4g7dr8 p-d the fourth order maximum is $47.2^{\circ}$. What is the wavelength of the light?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light is inci +b/pu9f yr9k36dxq uzeka 59)hxa e/jdent on a grating that is 75 mm wide and ruled with 50,000 lines. T k/f ear6 kdqz9ub/ 599)hpyxea3x+juhe second-order maximum is seen at $32.5^{\circ}$. What is the wavelength of the incident light?

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a diffraction experiment, light of 600 nm wavelength produces f9ai svss.6 tw;t:gs (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 ms9tw gtas;6s(s. ivf: m 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. Wha xx 1g7lm 9ible5 q)*x7uzqc4ht is the angular separation between the second and the third orders on the same side of the czghu* mq 5qlxcx791l7)4 bexientral order when the grating is illuminated with a beam of light of wavelength 550 nm?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  White light is spread out into spectral hues by a gratinqn755gohvx; b g. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first ordb5nxh;vq7 o5 ger?

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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 i.) qyy kn-(vyn3 mqc3a grating. If the first-order maximum o)iym y.cy-qnqv33(k n ccurs 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 wax4 ys),r gc9uwvelength 500 nm is incident normally on a grating. If the third-order maximum of the dwc9sx 4), ryguiffraction pattern is observed at $32.0^{\circ}$, what is the grating constant (distance between the slits)?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. Ifx8b;ik l7ewg 2 the third-order maximum of the diffraction pattern is o ;xlke2igwb87bserved 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 pla 8tcmfn8* x0wm4ylh61l t4ojm:jz s h8te at one end by a strand of someone's hair (diameter 0.010 mm). How far apart are the m l1x*4 fzw4: so0jth8 mnty6j88mh lcadjacent 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 rebz/ :fhy.6 sbffraction of 1.33. What minimum thickness of this bubble will ensure m6szf: bfybh/.aximum reflectance of normally incident 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 filmdu wt7v8, w4(elf v-j a)7njfe ( n = 1.33). What is the minimu wvet-)aj 7wel,fu f8n74j (dvm 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 thic fb/qjfq3 i-f+ni-w a+m*e t3pkness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.5-/jbfwp-+eq i iqm 3ff +*3tna0) 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 pl7, jt92firbmdaced in a beam of unpolarized light and the intensity of the transmitted light is 1. A second iidt7m9jr 2 bf,deal 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 dir8-j l2lbtym d 1c9uz3xection 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 cjr6q8cca3fac+er)vcso7o e 0w3 4o2light in air strikes a flat piece of glass at an angle of so)rceca v4c+fo8q7 j arccw033e o2 6$57.3^{\circ}$. 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 combinatios) w,tt 5nrmc.irfe+z-5n1oan. The transmission axes of the polcar n). 15ts5n t+wz-,oemfirarizer 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 ikk 1 p kfxq.kj4af6j7l0+t0ud s the Moon when its image reflected in calm water is completely polarized?x.6kuka1fjkt7 + kj0l qp4fd0

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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 wj0;/nkl+;cy (:cx lq*fcukhprocess, the int:jchkyfx/+l nk cc ;*lu(w;0 qensity 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 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 trazg(1dm(3gry: f:krct9 f k3. +noyj caveling in vacuum and reflecting off a piece of glass of index of re. k:z+jy(ogr tk13r:g9a3(fn mydc c ffraction 1.48?

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