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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 principlqa(5r(6humq 7prjbcf g7)e3q e.
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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 ar3ix-mf3(l y is a false statement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of lidjtwse-h3s lon;w 1,y2u/zq/ght 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 t 8ip)ju-elf 1emb9w7g pak/yc( ym z+,p 4nwj;o

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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 mediu gjr3 6dl(7yr ds:1t dd6os+mrm 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, enter hfa mfv)v4 aow+d/k ju.j/0d3s a piece of glass (index of refraction 1.50), its fred04vfaw. ok +av/dju/ jf )3mhquency

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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 = q)j8u j+ 3gdve.knc.xc ;5b0i,t0oqafookr* 590 nm), originally traveling in air, enters a piece of glass (index of refraction 1.50), its wuo 0nktifqb; 8 je*)c+3rocq , a.k.xj5odg0vavelength

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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 ligh .1: a7vozmqwg.u4hdyt spreading as it passes through a narrow sl h mu4.w7.zy vdoqag:1it?

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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 buil 7s0 y5ij 0aj0s ov9vw9t1 wq8qboudu3dings, whereas light is not noticeably diffracted. Why is thi bj tv1jq0i5w9au du9syoqo0 7v0sw83s?

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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 bands8zu5a*u + jit6 s2zgyq when light passes through two or more narrow slits?uzyqzutg* 2sj5 i8a6+

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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 coh ub 6, 8dwc7rqaasbiau+ 8w5z5erent 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 w3q6)qj v0*oqqlwgf 1q e say that two light rays striking a screen are in phase with each qfq 1q jlo6vwqg*0)3qother?

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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. Iftuovaa zz0p89b* 3gp) the maximum constructive interference is to occur at point P, the two beamstzo*bp)8 apz0vg 9u3a 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. bqlz9 ec o-(kf21c+uvIf the maximum destructive interference is to occur at point P, th -(ulzcocq2bvk9f e +1e 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 thej,t30u( kab wsm--n np central bright spot in a double-slit experiment, light fjb m0nt,k( 3a -nusw-prom 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 s1:tqdyt1 ,jpjpot in a double-slit experiment, light from each opening ar dt:tp, yj1jq1rives

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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 w p2f pq:0ke(ij d.qtns7u/.hmm v)d0s)c3abof the central bright spot in a double-slit experimem0)fvn s3 dh qwkd 0a7et b.2uqscm./p)(ip: jnt, 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 slit z 64ne9qf p,hsnjc;;j6.xsros decreases, what happens to the distance between hrs.xnfq;,e sn; zj6o9pc4j 6 the interference fringes?

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, it is observed that the v; dyt*z(xcm;distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in h(t;zvc;x myd *alf?

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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 lu;5bv)7c9 +pjhntkmzight 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 h9w jmioy o:3/h*ic9 o.lb f5ha point on the screen one-half wavelength behind the wave from the other slic5h fo.ij/hb w*:i3ohl 9 mo9yt, 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 frim5e;z p )n; u.ctg+6w7 krl5d zrdpub8nges in a double-slit experiment if the separation of the m) ndgz55per+ 6z8t 7 urwk;cp.dubl;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 adjace )szqxp+9ivp ;h 5;lg(izs qg7nt maxima in a double-slit interference pattern using mop7v)9zi;ghilg ps 5s(+x; z qqnochromatic 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 pv0 +(5rem1 a5lfsi hb3 t*igwhrism separates white light into different colo5i(+hr 1giheas*mtwbf 0v5l 3rs 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 4c 0pq-kt(qwnubq yp05 r1zy6form 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 400 nm8gb7shtp 5oy 7 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 wavelengthkrx46dvj)ldt+0hbi 2hv (* s 3a xo3bq 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 undergoes the greatest refra2lp qx4 kdv1rh3(xk;kction when passing from air to glass?dxk kq v4xkp2h1rl3( ;

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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 s*2a0.wlw gkt refraction when passing from air to glass0g*2 w.swtlka?

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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 glashusbh - jk;u w549eiql;zfa53s plate with parallel sides, at an angle9bk3al5f5 4uehzus-i;jq w; h 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. ):r+n h7ah has If she now holds up two fingers, with a veranrhh7:)a + hsy small gap between them, 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 diffralsay*6k fg5*-zcy x2b ction experiment, if the width of the slit increases, what happens to the width of the central maximum on a screeb sycy-*axkf6g2 z* l5n?

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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 otplbp 8+n2om5 p) nzk/dher one has 6000 lines per cm. Make a statement comparing the dispersion of the)k2o+ 8pmnzdpp 5/nbl 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 grat6ql utxt* l+.zwl fkh-u:2szel t m/62ings 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 bf*: 6+ h.k-l musx/z qtu62twzll2tel eam 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 oilqmnfkjnyi+9j2 **aw; slick are caused 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 interfa2u3xdp0zgk sv:bs 1; ere constructively or destructively, depending on their phase difference. One cx ssv;d:zkba3g2u0p1onsequence 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 traveling in glass, std32p, on/5kh.cfrz o grikes an air boundary, there .2gofkdco, 3 zh5/n rpis

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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, wh.qtog 4.kjk;f0sd y5gich is traveling in air, is reflected by a glass surface,f.sk 50 o qd.;kg4jtyg there 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 whit0u2ytx1kk)s e e light. As the film becomes very much thinner than the wavelength of blue light1u y0e k)t2ksx, 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 t jh we0b-eay.;0bl(x vyna.l9he minimum thickness of magnesium fluoride coating that must be applied to a;-bjb(eva9.ax 0we l0yy h.ln 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 jkipe;r 0;l0 hw+pfb(o3n q9c a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact c3eq jnb +coif k (;rp0;wp90lhenter 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 fae,t-px5o6s 0+03jmn u nfe ounct that certain sunglasses can reduce glare from reflected surej60f5,0 ouu3px o-t emnns+ nfaces?

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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 pol:4gbx oc :bju1arization 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 orxri p1;(.8ue*cc l 6b;kl kgfbtain polarized light in a dichroic material like a Polaroid 8r;u6b* 1kc;flgl ikp erxc .(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 Polaroid films are perpendiculfxcsq5g8/t2edm5e hg 1-/m jfar to each other, what is the percentage of the incident light which will pass the two 51/8tsehmc m5q2 -gejgff/d x 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 thejr;cp0j(2 9yqcu( ybz 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 incgo +wa hd+:g0 z-m(qs 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 diffractiogn: n2 7oo fkx(4k3xe1l hycs3n 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 zenz;+ )c 7ofylunith (overhead) than it do)cn7 ;oul yz+fes toward 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 (h0gff vdkd)k*-+h cem fx /5jin a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavelengt m)e0cdfh*/jk -5+dkhx(gvff h 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 ily 1,ukq5 whvi+j8f+eml d/r4nto glass, which has an index of refraction of 1.50. What is the frequency of the light inside 8l5v mykjhdwi+, qfl 1/+ru 4ethe 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 hasvis f0xmzowt.e69 z 6; an index of refraction of 1.50. What is the speed of the lighwtx0z 66 iz.fe; vmos9t 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 vacuuajrv4i9pm 2 k/m 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 in air i0fti6i rl3j xbvy(s (6s 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 l.02 j8v srsku550 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. Monocar+v*dukvy f k4xbv .5ei yq993/jal;hromatic light falls on these slits, and produces a fifth order interference fringe at an angle uxk34iae v av*.j yr9 fkq5d/y9lb;+v 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 u(y*e.dl d-l:qs4 n xz))o 6xgae9 a4cm5yxfnnm falls on a double-slit and the third order bright fringe is seen at an angl4nlmda.o eg n) 5xl(s6xxuy*cz-4y: f e9qad)e 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 sepa 43sn gx7:tnsnn)kqp+ ration between the two slits is 0.050 mm p7sqnntn3xgn:4s+k ) 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 experiment, the slit ,6*di d(u5/trchn p kfr)xcu)separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A scre/ *5fxc6)ndruiud )h(,kpr tcen 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. Monochromati0lv5gzvu 1 vr0 1pk+iwc light of wavelength 634 nm falls on the slits. If there is a screen 6.0 m away, how far apar0p1l 5k0vr 1iu +vwzgvt 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 incident on a Young'm :*.leh1 ).piei cs8jzf o8lys double slit setup that has a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm ioem1. slje.8fic zhy *l)8p: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 wavelengtur3vlb1i(1 iz)ir /od hs, 480 nm and 700 nm, strikes a plain piece of glass at an angle of incidence of 60e. The index of refraction of the glass is 1.4830 at 480 nm and 1.4760 at 700 nm. Determine the angle between the twuvr(irilb)o/1i 13zd o 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 (wa.zop5n1 g:-6c4xgs kgnb )l b(mjd1amvelength 670 nm) is incident on a5-1sbn o( ca.) 1zlxnk4dbp: jmgmgg6 thick piece of glass at $80^{\circ}$. What is the angular separation between the refracted red and refracted blue beams while they are in the glass? (The respective indices of refraction for the blue light and the red light are 1.4636 and 1.4561.)

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  350 nm of light falls on a single slit of width 0.20 mybq9qge.md,z8 ) z*;a1fasyn m. What is the angular widt agzd )f ,m;b89y ezys1.*aqqnh 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 550 m)-obehs 3 4pcnm wavelength. What is the angular separation between the first two minima on either side of 4s mob hc)-ep3the 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 sqzoieby:qd2 9(q63m qlit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffractio qmdiq6e29 z3y:qqb( on 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 difc,3f 6w7wn cwq)nod-nfraction pattern is profwocn,d3qw 7 wnc )6n-duced on a screen that is 1.5 m from the slit. What is the width of the central maximum?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light of wavelength 580 nm is incident on a slit of width 0.38, tpj7*zax.r (yn -yk+wzkoc00 mm. An observing screen is placed 2.00 m from the slit. Find the position of the first orderzto* j(+parzyc8k-7 yn. kx,w 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 width 0.300 mtbpxrqwn9td6. jcn//m*h z /um 6qo8 ,m. An observing screen is placed 2.00 m from the slit. Find the width of thecd66rn/q mtw.xj b 9 p qt,/znhou8/m* 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, itsp x 1;:ggx e)u6:ajket second order maage 1 xepxtj6k;gu)::ximum 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 angr);g8k/t nkkou +6/nx5gyiit le between the central maximum and the fourth order maxi t+knkgt ox/ 8ii)g/uk5;6n rymum 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 ruledr(ufo l3a. lt.c sn*c, with 50,000 lines. The second-orden.,(o.f rcautll3c *sr 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 .qgw;kco9ka t kus91tb6-4xb produces a first-order maximum 0.3kb-oxt.btcuw;akq4 sg9 619k50 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light 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. What4(.ma bk,k ivpw3rk)ke,5lvz is the angular separation between the second and the third orders on the same side of the central order when the gr.pmz bk,rv(w,4ekl)v 5kaki3 ating 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 z+e:dt)7f t 5ppcbtxqk13s6zhues by a grating. If the grating has 2000 lines per ce 13zp56kdz t sc)7qept: fxb+tntimeter, at what angle will red light (640 nm) appear in the first order?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A He-Ne laser (632.8 nm) is used to calibrate a grating. If the first-orm 4terwllt j*4 *os*0zabf8h( der maximum04rj aem*4f s (o*z8bltlhw*t occurs at $20.5^{\circ}$, what is the grating constant (the distance between the slits)?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Monochromatic light of wavelength 500 nm is incident normally on a grating. Ifx, uri6qv;r +kt2razx phtu5 r;b,x6 4 the third2u tatx 6purx,vh , z;;x64b+5krrriq-order 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 1 mmmdn ;hd*a+5z:fph5h. dnfof wavelength 500 nm is incident normally on a grating. If the third-order maximum of the diffraction pattern is fdm 1.nm5h;5 fn*:zd+pmdhah 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 anot alcpat:4* vo a6d/2jxher glass plate at one end by a strand of someone2ldjx6a4*:/cpv a ato'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 ockrbc41/2 y4ghoz/ *w.u bpmhf refraction of 1.33. What minimum thickness of this bubble will ensure maxb1 p y*wh cc/u4b rz/g.ko42mhimum 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 film ( n = 1.33)dfxql-rnll0yw(8 h g :11t/x )xfe)ay. What is the minimum thick0y/lx h fxfd(8ql))gwtly-rn a e1x1:ness 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 nonreflecting fi*k o1m8rm0zgi y*hw3,i te*os mp9/+ud qvq;jlm coating (n = 1.30) on a glass lens (n = 1.50) for wagj+ q t m1;r*0o,h q8od/imwuk*s93 izpvme* yvelength 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 unpolarizom 4gnhfya 3a: 2x*dg)ed light and the intensity of the transmitted light is 1. A second ideal polarih:3dya2 4gan x* fgm)ozer 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 itw jaogihwf:( c+fpn )50r53se6h2yt bs preferred 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 in air strikes a flaw9vuink/v-x3z n1deie f h/5r76d)tb- v. yhq t piece of glass at an angle of 9bi)enw6vrhu1 ydd -q vzx3.ief//7k nh vt5-$57.3^{\circ}$. 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 m v;4c5fd9foqqk3 ko/a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are at f3f4ok q5k/v9qm ocd ;$30.0^{\circ}$ 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 hoivpy ik6tunh5du1c- ,w .- ly;rizon is the Moon when its image reflected in calm water is coi-tu.y i6dcwhv5y1l upk n ;-,mpletely 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 polarizer a6.e--h+fj6j0ehgv kj+nh qkcnd then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. What +kef- hjvj6 hg 0h6.jk+eq- ncis the angle between the axes of the polarizer and the analyzer?

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91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the Brewster's angle for light traveling in vacuum and reflectiy *njv1u /jpt 9z:l5dcng off a piece ot j pvjd519zu*:l/c nyf glass of index of refraction 1.48?

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