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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 princit ihr8g/s07 wqvd)x7xple.
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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 stabkzfx:4xo t 2+tement?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave theory of light is attributed u6+kpz4 4x colto

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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 l/ydpbc6/jz:os/0 g dn ight 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 og 2l74bpo8oh hf 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), rh7:wmnty-7mg*re ;f originally traveling in air, enters a piece of glass (index of refractioy: m-rfmtgrn;e77* wh n 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 travelklm)y5sw 39omqfr cy9 :75rpr.vi.qoing in air, enters a piece of glasp:m fyyl9w5 ro.rik.q3o9q57 msc v)rs (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 light spreading as it pass).e8tmws hw6byjv6a 9 es through a narrow slit? j86 h ym9e6stwwv.ba)

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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 buillt1 rcw6u k6 dw.q7/hwdings, whereas light is not nu qcw1w67hl6kr.t / wdoticeably 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 responc s1ym( 4+cmnq zstv2ke558bgsible for alternating light and dark bands when light passes through two or more narrow slitsvzq5y2sbe g54c mns(c8 1t+km?

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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 toicsj 7ys c)bd)f03y-c.us2z e 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 thaw9-gs 9kkzbcamg mh )7z-21t kt two light rays striking a screen are in phase with each otheksk2h-9 zc1t9kz-)w7g ba mgmr?

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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 arrivb uue hep8: rh1fc +0 e65p+:pukbc,uving at point P. If the maximum constructive interference is to occur at point P, theeh:+6b ppk 1fu8 cv5h,uuueecr:p+ 0 b 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 p7is4kxa 9. ;yb gejlnl- /-oglight travel different paths arriving at point P. If the maximum destructive i .-9olj7 eax4;gpnsbyl gk-/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 eith1ttxihs n*tc:5kun/ nt2h uk+ech3:;ibe1 s(er side of the central bright spot in a double-slit experiment, light from each opening arrivesxn s 2ct(ntk11 3heu n*hct/keb u:;it5 :+ish

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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 rg(9:dmyw.ek4cw*bheither side of the central bright spot in a double-slit experiment, lcm9.g4b rdek (yw: w*hight from each opening arrives

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At the second maxima by uolcx n)v1+xx4,s gz 4ca86on either side of the central bright spot in a double-slit experiment, lisoyav8z) gbx44c1cxnl ,x+u6 ght 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 /pv -cvca59.- /nlo lfi4lyp rslits decreases, what happens tlv. -/plf/ p54or9 ni ayclv-co 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 observed that the distance between adjacent m (tpthl ;ynx1,f, qau)axima on a remote screen is 1.0 cm. What happens to the distance between adjacen (,; that xqlu1fp,ny)t 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 k-2r* qafjib; 8euvqmdipdv.c 73 7 8htravels 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 dou;rv n6cxo186g owvm /dble slit experiment arrives at a point on the screen one-half wavelength behind the wave from the other slit, which is observed at that point? nmgv;x6/r6o doc81v w

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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 ;k5q; .pa5ydxb mkuc l4hu*z/ interference fringes in a double-slit experiment if the separationq;b*.xyhp5adlu/ 5c kmu; z k4 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 double-slit inteh x m,hg+,,sz4pkgak.rference pattern using monochromatikm4hxshg kz, g +,,pa.c light is

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principle which explains why a prism separates white light into different (p,jiz rvdd9.colors pr,.v9(ji dd zis

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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 rain(n bqcxb+r +gk:;dpji;7ip o3bow 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 400 nm is c+uklte809y.r8h b 8a; eyf jqqalled

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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 cbhhmq 3hv d;1br(/)szalled

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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 rex rohnkkgfb-2gb 51i 8 4o9ld(xs41c bfraction when passing from air to glass4krxd 9(o2i b18gobkfx15g sl-nhb4c ?

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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 passxu0s+2j;2n lq)a qui13fln ehing from air to glasse fh+) s0lqq2ui3j lx12nua;n?

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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 incidenttm wf53y.r )10i,e k fq9wbo(hib.k zq on a thick glass plate with parallel sides, at an angltr,wfibq y 91e5mk3b(w k)hi0 .ozf.qe 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 .jr 5 mx659ary 7afiknnow holds up two fingers, with a very small gapjr ar f.5 kimn6yx75a9 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 diffraction experiment,ka;vl3f ooj -(5gqsn/s5bo eicg,tl ,2vf+ 9h if the width of the slit increases, what happens to the width of the central maximuo-sisq9oo(f 2hvvg ;t 5ba l+ cek5j 3,l,fn/gm 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; gq-a vbju31 4 *sp7lpnone has 4000 lines per cm and the other one has 6000 lines perbpjl pv- 41qg*n7sa3u cm. Make a statement comparing the dispersion of the two gratings.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two diffraction gratings with the same slit separation, the only 1qza76q mok3/ok xon +difference b/q+ao o 1k3 6qk7xmozneing 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 c+(jfkfyu;.( mbpp 2kqaused 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 wh9u7.5wsgxr 4+u1l ibd fymb )aves can interfere constructively or destructively, depending on their phase difference. One consequence ofgbu7b4 f)rh1ys .9idwl5xm +u 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, wheax+a 9f t)6khich is traveling in glass, strikes an air boundary, thereeh6fkat)+ax9 is

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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 b3wj;ldvu;;4hkr bzll),f4i a7 jvk7in air, is reflected by a glass surface, there w,ifj z ujbr3lv ;b4;7v4ldlka; )k7h is

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap film is being viewed in white light. As the film becomes very muchb3fabh8: dg) bwo7f7(q d t*cr thinner than the wavelength qd 7gr obbwad*7b 3f():hf8c tof blue light, the film

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of the wavelengtxba0 yfqgtb0wh5 9*ii f(on4+h of light in magnesium fluoride, what is the minimum thickness of magnesium fluohi*x0wng(59 4 ao f+qi0ftbbyride coating that must 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 illuofcb g5l 57hx5minated from above with monochromatic red light. When viewed from above, concentric bands of rx c7g fhob55l5ed and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What principle is responsible for the fact that certain lno;(d m 8qz (fkcc8r;4dgmh 6sunglasses can reduce glare from reco zkfc (d;6 ;mhrd8qm84nlg(flected 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 diqd 7+zx,q;3y e :.xzariwrn,rrection 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 obtai2h2+i jp.y lb7gk pg,cn polarized light in a dichroic material like a Polaroid 2 i jkg.2 7cb,+phlpygfilm?

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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 filmz+2*rw-jn+p8 gue5g a.ki quvs are perpendicular to each other, what is the percentage of the incident light which wrq.iz2 wn*gpa+gu- +e8kvj 5uill 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 mf4trg.6 2q q9 srba(lof 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 sunlig; ,3sb-h3 vsnin f75jhg;xplaht is greatest at

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following is diffraction NOT exhibitel0rb)h3ot xthj t5 ,6gpg rg71 (4tjfcd?

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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 thelkd 0pjb j0-e1 ;hf7p+ncbm9h zenith (overhead) than it does toward the horizon. This 0mp 9lb0d1;+-hk bejcpn hj7f 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 aj vdnqd8d89 ,y vacuum. It passes into glass, which has an index of refraction of 1.50. What is the wavevnd,8q9 d8dyjlength 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 intjrj .3wd65j yqt(zrad vyoa /z45u7)yo glass, which has an index of refraction of 1.50. What is the frequency of thjjv yd )q oy5dz73rar(.zut4 wj56a/ye light inside the glass?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Light has a wavelength of 600 nm in a vam6uus36xsl n/p9dk qz+k:f /hcuum. It passes into glass, which has an index of refraction of 1.50. What is the speed of the ligh6x9 fkluk :+d/hmsp /sq63znut 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 n kjb, (apg7ahbm:ijf27.pf1om 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 in air *f.c .gvl0idx 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 at .-:j u wy2 e;p7 svjdm1mctf:04i kzfhanz66y$1.96 \times 10^8 \; m/s$ 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 lty d62-dm y 70a9t0-ajpt j qmofn7pc;ight falls on these slits, and produces a fifth order interference fringe at ada; jp fnapq90m 60ttd -7motjc-y2y 7n 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 bright) p9 e vhu;uvv9( flmptn*/s1b fringe is seen at an angleb9nl/svp1u9fhm ; ev)v*tp( u 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 betwp. xiaat2w3a0 een the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find tpi .23wtxaaa0 he spacing between the first-order and
second-order bright fringes for light with wavelength of 600 nm.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a double-slit experiment, the slit separation is 2.0 mm, and two wavelen 8gc6kqn-y e3ij3 0juv/ty. ccgths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern fi je38/qtyck30 c .yjiugn6cv-rst 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 lied 4k 4longc3,ww96l jght of wavelength 634 nm falls3ww,lnc 4 k9j6dlo4eg on the slits. 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 incident on a Young's double slit setup that hamli ib(9gn qgip4tb* q1 -vr*-s a slit separation of 30.0 mm. The resultant bright fringe separation is 2.15 cm *gtvigqbq1b n-iip 49 lm-(r* 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 tr+kamxcb) .6 bx:v fa:wo wavelengths, 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 1.476a:vx xkrmaf6 c+b:b.) 0 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 consistingfm/u gd9 m1, j0gccfek/ixh)2 of blue light (wavelength 480 nm) and red light (wavelength 670 nm) is incident on a thick piec9m1)dx/ 0hcc2jm fgk,/ie ufg e 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. What u q.vh0dl)jfu -.ga a)tew4 7gis the angular width of the)tje.v4.) dau h0g7q uwg-laf 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 illusk p*qqgvc7 z w2tsk:ez0,51jminated by light of 550 nm wavelength.gqpq w0,ket: zc52v k sj*7s1z What is the angular 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 single slit a ijh,f-jn*7u 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe iaj i,n-u7jh*f n the diffraction 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 ni6x9avos j +n7cm)lj +m is incident on a slit 0.20 mm wide and the diffraction pattern is produced on a sc9++nij6lmso )c7 xavj reen 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 inx+ c.r7*qiy kvcident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the posit kvcxqi7.+*yr ion 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 sts3d l5s( wr/xgz 1f3a slit of width 0.300 mm. An observing screen is placed 2.00 m from (tls ws33dszx / f51rgthe 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, ita/ q8a(lk*w zms second ordeza a*q8/klm(w r 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 per cm. Th5xh xd :r- b-ae.b9h qd6poefce*)t,oe angle between the central maximum and the feea c-e)dxofpx h.59,b :-qbtor 6hd*ourth 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 uf,hbon7s() da grating that is 75 mm wide and ruled with 50,000 lin(d s u)fo,7bhnes. The 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 produce;tcn9g6o (mlts.* hfrs a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic sl9nmf; ts 6g*ro tc.(hource 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 centev9 x;nr6c:jqbss6i4 -jno;g imeter ruled on it. What is the angular separation between the second and the third orders on theqvj:rnib;n x6;g e49 o6css- j 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 spectr(.sk 3 hxtaa,7 sh9 x3gsewb1eal hues by a grating. If the grating has 2000 lines per centimeter, at what angle wil.9hws3ab1,hek g x 3ts7(x seal 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 dhvm8b)1wlc5 /b(xw mto calibrate a grating. If the first-order maximu5mb xdc)/m whv8wbl(1m 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 rjwn4dc(7*mb on a grating. If the th4(rjwnb dc7* mird-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 of wavelength 500 nm is incident normally on a vg im:4t +66of.ytnpwgrating. If the third-order maximum of the diff fmyt 64t6no p:w.gvi+raction 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 j0fghl yb9q20is separated from another glass plate at one end by a strand of someone's hair2 yh jg00qfl9b (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A soap bubble has an index of refraction jf6eqj c/ 8fi(of 1.33. What minimum thickness of this bubble will ensure maximum reflectance of normally incidentc /ejfj6f qi8( 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 illum+1s/m+ bpj j8ts f3e jd)bjmm)inates a soap film ( n = 1.33). What is the minimum thickness of film that will give jf ) m+besd 1s)tp+mm/3jjbj8an 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 coating (n = 1.30) on a grz4uin k,r5 v/ dzn6.xlass lens (n = r/vzk4dnun ,xri5. z61.50) 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 beam of unpola3a 1vmbdg5 jtvhl5hh:0+g 4 dtrized light and the intensity of the transmitted g0dvh:bda351 thgv mt4h5j+ llight is 1. A second ideal polarizer is placed in the beam with its referred direction rotated $40^{\circ}$ to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A polarizer (with its preferrez+,q xmr6 qh;pd 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 flat piece of glass at an angle ofek0hdw exe*x s :8z6+c ex*kzs 0e :ecw+hx6d8$57.3^{\circ}$. 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 combinationn ib rshqckw99)e kkxx*- +*7p. The transmission axes of thewib ) kxqh *+7*se 9knxrpc9k- polarizer and the analyzer are at $30.0^{\circ}$ to each other. What percentage of the unpolarized light gets through the combination?

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89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How far above the horizon is the Moon w r1l2: olhu 6udq8yhy mtn/7*nhen its image reflected in calm water is completely 6tr*l78hy ud:l2h1 /nunmy qo 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 -sso y pkod;)6z0r,ld 9l /re+avwkl /and then an analyzer. In this process, the intensity of the light transmitted is reduced to 10% oovkrlosd el z,+y l/ w)sk 9;p0ar/6d-f 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 traveling in vacuum and refl gn9dg:reya6wr a3 by*dz 3,u7ecting off a p*y3dyagwer76 3: 9bauz ,d ngriece of glass of index of refraction 1.48?

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