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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 princ v en(1rhyboa,e0t*x4iple.
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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 falsnzji*60, pdbijf-( o ie 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 lig2wt,f-bcbm8 et,ncz2ht is attributed 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 attributed tqb k-ec-m /,as5z /b2.j jguxmo

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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 differ:/udgqh ze x5 ur-x(l;ent 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 a/e8 hok (wgucv84 mhta b:kf67.4rjv= 590 nm), originally traveling in air, enters a piece of glahg6hk8: bwtacuv7 . v/jo 4af 4rem(k8ss (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), originalnn 5 herb9u.e2+bvt.jly traveling in air, enters a piece of glass (index of refraction 1.50), its wavelengthbtbe2un.5v9 .jrn h+e

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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 sprh).1vwjdm v5d8o is0l eading as it passes through a narrow ss ld5 d.io)1v w0vh8jmlit?

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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, h,)orgl;yv0xoiac*ny 2ic ;un1-u : hwhereas light is not noticeably diffracted. Why is this?u;;ron1h )yc0 olyvu-h :x*n,i2c iag

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is respoaplu .+ :v0 ipofa9,upnsible for alternating light and dark bands when light passes through two or more narrow+uf0a9p .,a puo:iv pl 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 sae7np 05d cs9in5j o8daid 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 twokze-,1 bm0*+ffbszbx light rays striking a screen are in phase wit-m b* 0,sx+zbfef zb1kh 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 travelqmz pxf70sf cfc :/o +)6xma;v different paths arriving at point P. If the mvz)pff;67a/s m0xx+cof : cmqaximum constructive interference is to occur at point P, the two beams must

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two beams of coherent light travel different paths arriving at point P. If th)iegx2 m/vw v z(1;qshe maximum destructive int i; vegx2 1vwzh/s)mq(erference 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 double-slitsa. clf3irtd3 q9 .8mz experiment, light from each openinq.tifszcld a98. 33 mrg 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-slit e4/qe;mvf,t+ew u iyp .xperiment, light from each open+ui. y/ q;t 4v,fmepewing 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 eitg1u++e4fp4zhb (9s,gq q fdpnher side of the central bright spot in a double-slit experiment, light de zf9gh u1qp b4 gsqn+,+f4p(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 decrewt8rv7/f rb :hases, what happens to the distance between the interference fringesh7 8w :rtb/rfv?

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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 betwee )keqobo8 a *+ ih863y(gptlotn adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation ispgot+ i )(8 o38t*qoy6ka belh 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 paffb84lr3 ydovji 3(6w th $P_1$ 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 7+ gj7mha.hfnfsr65 +xujsx 9slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed .m 7+6gju95fhx 7s sjrnaf+hxat 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 obt ep1ni(6i pl5 2iwh*pmain interference fringes in a double-slit experiment if the separation of the slits is less than the wavelength of l1*hi5ppe( i6imn2p wthe 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 maxix o2c20hwq+6jr3j br cma in a double-slit interference pattern using monochromatic lighqj 2j wbc6+3 r2c0xorht 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 pry) vk hin2sh 6m1(k,l2zijw.o ism separates white light into different col(v2)s,l k.21hwjimh kioyz6n ors 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 rainbxxy*,wc6z85 rptbc6 fow 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 nb hwz7t.kw 5pf y7-(z400 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 is caux ld9) l ec6i1touo:3lled

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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 greatexhx(u *ep(m -7gko(7ji dn )zcst refraction when passing from air to glasskh7nju pi7gxd)ce( - (( mx*oz?

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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 y-mor 03y3m hxpassing from air to glasym 3x -m0hyor3s?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of white light is incident on a thick glass plate with parallel sides, atw 7gww8* sa1id an angle betweewa8d7i*sgw1 wn $0^{\circ}$ 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 xb-9sb wp0lf7( ytj i8source. If she now holds up two fingers, with a very small gap between them, and lookjpt (w9s0 bb7x8if-yls 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 th7 rhnqi n mx9xvog/.3kg4 x0o5e width of the slit increases, what happens to the width of the centralox974q 5 mrn0xoh3g vg.k/inx 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 gra *uzk*u d3e4p ,dtp(+q) w1(lht kxbfxtings; one has 4000 lines per cm and the other one has 6000 lines per cm. Make a statement comparing the)bp q*1dke4w utfxlzkx, * +u(( pd3th 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-eem)xx0 ef:c a5 +qn4bj8uzx only difference bxqub-f4)jn5z0xea: mx8 + ce eeing 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 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 byi ,i()d+jx) kyjq sfv --eb8wy 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 constructiv -gq ,z(v3 s0sir.z dbxu1m6ehely or destructively, depending on bi sh.xzd0 vzm(g,6s e3q1-ur their phase difference. One consequence of this phenomenon is

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a beam of light, which is trt1bs nq:v .1tw+x3yzk aveling in glass, strikes an air boundary, there i1 vw nq x31yt+.zbt:kss

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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 travelin:t4x baf .uaq7g in air, is reflected by a glass surface, ther bfaxq ta:u.47e 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 thymi,qz3pw o 2)e film becomes very much thinner than the wavelength of bw )qzi y2o3p,mlue 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 )vr l 8+x+nsy* cjnk4his the minimum thickness of magnesium fluoride coating that mnxcl+snkv +)y8*4j rhust be applied to a glass lens to make it non-reflecting for that wavelength? (The index of refraction of magnesium fluoride is intermediate to that of glass and air.)

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A convex lens is placed on a flat glass plate and illuminated from abov gxg3b7+cq vi(e with monochromatic 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 cov ixg(+ 37bcgqntact?

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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 t :1yc;q u)jevbe)s8y.b3bmrkhe fact that certain sunglasses can reduce glare fro.buey j;rvs3bqm):8)bk y 1cem reflected 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 of polarra.)j hhlh5ak n*c3 m4ization 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 t; u 7li,tfx7lmaterial like a Polaroid ftf,;l lu7ix7tilm?

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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 x;/ljjln 5)lrfilms are perpendicular to each other, what is the percentage of the incident light which will pasrj; /5lll )jnxs 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 surfi(ch40yp wprj*su0f7 ace 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 greatesty+wm 1*quvb ak p0 eu3y irh./hh;lb,4 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 diffr4ihm1/ihxk -jaction NOT exhibited?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a clear day, the sky appears to be more blue toward the zenith (overhead) tha32bu(p;mtu v an it does toward the horizont apm ;v(u3ub2. 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 has . qu kz,3xuse.an index of refraction of 1.50. What is the wavelee.qkuu . 3zxs,ngth 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 glawk0m2 )ymffn 0*tg6q/uy *ab ga7ngx )ss, which has an index of refractiog0ff )/2tamx0qn6guawyy *mg nk)7b * n 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 600hp7 ek4lx9pl h 8b1(rr nm in a vacuum. It passes into glass, which has an index of refraction of 1.ll9p81h (r7rxe4h b pk50. What is the speed of the light in the glass?

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 550 nm in vacuum is found to traveml11. duo ;e-pgz ud4vl 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 to trav-, ktzdij*4n3;luqp+o /ayl f2ie a: jel 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 traved.g1 noq bv+ bq5z8(ill 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. Monoi;lb t2i jcnwd8 twgp.7/xb50 chromatic light falls on these slits, and produces a fifth owl7jxpbw/c;20 n5 dig8 it .btrder 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 n5 om ziji 9o :d*wah3kcxrs870ngx7k-m falls on a double-slit and the third order bright fringe isxig :r o3oz8 nx-h5kdj*779m wk0aics 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 se;qo)s b 3e/c q4g)jxiiparation between the two slits is 0.050 mmo/isq;i gc) 3ex4jq )b and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experimez rj.:a;. sl:zvapix(nt, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placpra(zzxs;:j a.v :il. ed 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 o u8.ugg(j cfyctr m:tys9l7+jlr ,n00f wavelength 634 nm falls on the slits. If there is a screen 6.0r:ul7s0r+tn9gcc0 y,gtm .fy8uj( lj 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 isr2 ip;l.5e +zi jk94;oga geq n8e-vxm incident on a Young's double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm on a screen 1.20 m from the double slit. What is the separation between t5-g2; +qzogkinve8l4; 9e.a jeim p rxhe 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,a3 am0lp;gg- j strikes a plain piece of glass at an angle of incidence of 60e. The index of l-;aga0pm3j grefraction 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 blg) e n:-ahv+coue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thico +cv:ghn)e-a k 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 ofc7 ;.sexumu9nis,a27l /zbts width 0.20 mm. What is the angular width of the central dsmbs t9u7l/ ;uc7n ia2xe,.sz iffraction 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 (dlabi*q:k m /rmag+;550 nm wavelength. What is the angu: /akambqd rl* g;i+(mlar 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 687 nm is incident on a sing :nlqsw 88sn*gc7i1cule 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 1.7cqil *c87nu8wgs1s:n 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 diffrav )k5+co ,4tm.zd byhhgd0r +pction pattern is produced on a screen that is 1.5 m from the slit. What is the width of thkv o0bh +dr zp4h5ct+ .)mdgy,e 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 i .ny+6p(*1vhbhiccg *;p usvzs incident on a slit of width 0.300 mm. An observing screen is placed 2.0z; b(6u +ppnhy* vs1ci*hgvc. 0 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 incide.ew16ft8 k/ uw +hzwnwi-i;bhnt on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the cen unw./6-+eihw8 w1kb;zh wfi ttral 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, iemgvn wqw8y)jz7i./ ju ,ww i661pcx0 ts second order myw,7 j)cijiw60zn6 .qme8v puxw g/w1aximum 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 gratin*ve 7)r h bq:55hjwds/m my6yug has 5000 lines per cm. The angle between the central maximum and the fourth order m56r/ h)y eh7qmw b*5d uyv:jsmaximum 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 ruled2 j ssbmq3yuz8qver9/4vt34s with 50,000 lines. The second-order maximum is seen at 248vq94e sq/mz3 vj bssry ut3$32.5^{\circ}$. 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,)b2 xqbt gg-um.e3a nqug;)5 b light 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 diffraction gratiq-u)g qg5g3a);beb. bu n2mxtng. 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 f2n;cq4w 8r3k;y ctnuper centimeter ruled on it. What is the angulnwr3c2 cq;8ku4nt yf;ar separation between the second and the third orders 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 spectral hues by a grating.7d2*f n99t;mg0xyzvt p07 fs leoaug2 If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appear in the first ord*2nsf ;9 etdl omtp92zu gygfx va7700er?

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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 n9hzg**o s(ro1 u 6cobam) is used to calibrate a grating. If the first-order maximum ooo9ouzca*g(*r6h 1b sccurs 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 gratiz0aj p; vlweq4 *.dgy;0llv juj.k, h.ng. If the third-orlljey; .kp.w,.jdh;av0gzv l4u* j0 qder 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 is e mzk-6a0 fn0c9xqjx *incident normally on a grating. If the third-order maxix-m6neck 0aj0fz x9*qmum 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 another glass plate at one end1nztft bqpc4(2/- wk j by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of ( ztn-q 41pb/ct2jwfkwavelength 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. ((sbwuqb,p,h 3ru 7s1*nkwn oWhat minimum thickness of this bubble will ensure max13 k hus(npquwb,r*b o,w7sn(imum 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 g-hgmo) +n, ps kfnm86f2, rniilluminates a soap film ( n = 1.33). What is the minimum thickness of film that will give hrog2-,smkg+6m8n,pn)n i ffan interference when the light is incident normally on it?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the minimum thickness of a nonreflecting film coa 4l iwyaum dki62+-xn6ting (n = 1.30) on a glass l-xknuli+myi da 2 46w6ens (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 a m9pw5 qrt6 zc6h/7udbeam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placedt76r up5 hcwm 9qzd6/a 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 vdx,:hzi si;4rotated $30^{\circ}$ 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 t a91 y;w cae,ohg36cb;c0p*t s5o phsan angle of e3h5,osa pgc p *tbhc09a6w sc;to1 ;y$57.3^{\circ}$. 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 1l /h gq,k:za1kv6z etthrough a polarizer-analyzer combination. The transmissiol:z hqz1/k6aekt,1v gn 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 th yc8)n il q12gm)o5nafe Moon when its image reflected in calm water is gynm5 2n )i)laocqf8 1completely polarized?

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90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A beam of light passes through a polarizer3swzjp7)7mu i;( u;xv/hopo e and then an analyzer. In this process, the intensity of the light transmitt ;; vhupw u(/m)oeoisx p737jzed 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 travu 3i 5p51.nq lffmxn:tv2rz5geling in vacuum and reflecting off a piece of glass of i355tmn2:qznpg5 xr fi.fv u1lndex of refraction 1.48?

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