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习题练习:Physics Unit12: Sound



 作者: admin发布日期: 2022-09-26 09:56   总分: 87分  得分: _____________

答题人: 匿名未登录  开始时间: 22年08月07日 09:59  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a fale..y6 ir yjv,t+ug3czse statement?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In general, sound is conducted fastest- -na4tv5r79oob sknmv.j r:t through

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the speed of sound in)jks4fpszvuivm 5gg 1e6,6l 9 a steel rod?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  As the temperature of the air increases, what happeigec4 pztr-a+2 p3k/k ns to the velocity of sound? (Assume that pk+-e t3i crazg 4p2/kall other factors remain constant.)

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the velocity of a 400 Hz sound, the velocity of a 200 Hz ). zql*(b pcgosound through .c ()zpq g*bloair is

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Compared to the wavelength of a 400 Hz sound, the wavelength of a 200 Hz sound ik x ryd2391rlpk6eyv3-gab:d)dfh 0fn alhf:gfvkeyby23-d 0d1rx 3 dr6a p9) kir is

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound vibrations with frequencies g3 zijx)6cvre) reater than 20,000 Hz are called

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound vibrations with frequency less than 2d/w2l:jo/;z 8ky xvey0 Hz are called

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Suppose that a sound source is emitting waves uniformly in all directionsuu,gebrur 7j1b;(z .7ri ;roi. If you b ;e,bijir1 r7. gru(u zo7u;rmove to a point twice as far away from the source, the frequency of the sound will be

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For spherically diverging 3tva:17atk/tip js 3hwaves, intensity is proportional to

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity of a point s(jb qlg;/w4 urource at a distance d from the source is I. What is the intenlrjb( / 4w;qgusity at a distance 2d from the source?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You double your distance from a sound source that is radiating equally ilk gz:9a uq16wn all directions. What happens to the intensity of the sound uzga:lq1w9 k6? It reduces to

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You double your distance from a sound source that is radiatio3rx v+nz7l6f wbq1,w u 5t)mx ;5zonxng equally in all directions. What happens to the intensity level of the soundo )lbnw+f73,orx1qn t x; uv m5w5z6xz? It drops by

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following increases as a sound becomes 77v-)r go tbtbci6 ee4sxh,p3 louder?

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You move slowly toward a speaker ei);ob ins/o9 omitting a pure tone. What characteristic of the sound increases ioo9isb)n /;o?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines "loudness" of a k,;ar 642 wmgvbpl1dpmusical note?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What determines the "pitch" of a m xo:b( eyj.*4xcv+xym usical note?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When sound passes from air into way fyu-zh jg4yk+y5 s1+ter

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Pressure and displacem yk -l vhbiw/4p:)jjr+ent waves are

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the standing pma 5ui 2)y mnupaaicf9/+ez2. mc*z1wave on a guitar string and the sound wave generated by the guitar as a result of this vibration. What do these 1am i2. *p2 zmfaa/9+pecuz 5niumy)ctwo waves have in common?

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a resonating pipe which is open at bot+x3h(hypt0 8(y jcbosh ends, there

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider an open pipe ofrn2q; t+ , 9sj3chb2gdiw(sg y length L. What are the wavelengths of the three lowest tones produced by this piscqj+n( gdrwyt 9b3s; i,2g2h pe?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lowest tone to resonate in an open pipe of length L is 200 Hz.j26 me( hbaw p)s0ullhzh:/di+2 mk i/ Which one of the followinwlhz:0)em2hm 6u hiakdj(b2is/ /+l pg frequencies will not resonate in the same pipe?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An open pipe of length L is resonating at its fundamental frs:p*d sczd 1s,equency. Which statement is corps1sd d cz:*s,rect?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a resonating pipe which is open at one end and r s0h)l)q1mnvclosed at the other, there

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a closed pipe of length L. What are the wavelengths of thpn srd 0y01cdl0u, 4o4m n17kxpiynk )e three lowest tones produced bdpc0 nni1 4, m74) n1rusolk d0x0ypyky this pipe?

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lowest tone to resonate in a closed pipe c f/kl/5f178nrf1meomijkz2 of length L is 200 Hz. Which of the following frequencies will not resonate in that pipl1e fff527k z1r ionmm/ckj/ 8e?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A pipe of length L closed at one end is resonating at itszpcbf*t15 7d5gfi/k c fundamental frequency. Which statement is corre7/i t5 zdf1k 5cbgpf*cct?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person stands between two speakers drivt d*/a y1p4bgsen by the same source. Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sou14/yt*sgabp d nd is 330 m/s. The person is
1.65 m from one speaker and 4.95 m from the other. What type of interference does the person sense?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In order to produce beats, the two sound wavew;:dcn w) c/ .hyjwfw(s should have

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two pure tones are sounded togethq u ftn2u i::hw2w/yi6er and a particular beat frequency is heard. What happens to the beai wi6:/ qt2uun2h w:fyt frequency if the frequency of one of the tones is increased?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Doppler shift explai9p m*8+i+ iptnoab57q6 fxe nbns

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound source approaches a stationary observer.ar(+lyj3s2obve m,+)jhx od) cs4la0 The frequency heard by the observ)d+lcb omhea34s yra(jj,sol)0v+x 2er is

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound source departs from a stationary observer. The frequency heard b4( c-ws+ ba;,*v d5 af*+ bd8 msoekzmofgaxx2y the observerc5xd8 o*babo zv,fa(*a x+d s mf+wkms24-e;g is

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a jet plane were to double its MACH-speed, itdb2 7z qiwkpp;wfsjf6 (40c; m)(syjas half-angle will decrease by a fap)6bzj p( 7ca ;k0 w4fsidy(q j;m2wfsctor of:

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The speed of an ultrasonic sound of frequency 4gj,h zs +cxw605 kHz in air is 352 m/s. What is the air temperatuw6 jx+0shcz g,re?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the ratio of the speed of sound luq,d kpy./0wud4pp47 q5m yiin air at $0 \; ^{\circ}C$ to the speed at $100 \; ^{\circ}C$?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a day when the spernr4 - z:iftr6cc:73b, cazjged of sound in air is 340 m/s, a bat emits a shriek whose echo reaches it 0.0250 scizfg r bj4c ,7r:-zrt6:3nca later. How far away was the object that reflected back the sound?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You shout at a cliff, and hear the echo i4jrx;o (hu( q: fpuni2n 4.00 s. The temperature is $0 \; ^{\circ}C$. How far away is the cliff?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you hear thunder 5.0 s after seeing a flash of lightning, the .). m+rizbld a: ,obwadistance to the lightning a.+)a.or d,mbzil w:b strike is about

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An echo is heard 2.0 s from a clifv55c ysl .r:zvxa/t:rf on a day the temperature is $15 \; ^{\circ}C$. Approximately how far is the cliff from the observer?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  On a $30 \; ^{\circ}C$ day, there is an explosion. The sound is heard 3.4 s after seeing the flash. How far away was the explosion?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You drop a stone into a deep well ; 5qdoqvor+ i)z ivu/r9,)mnb and hear the splash 2.5 s later. How deep is the well? (vuoq9;,ioqi+b n / )m5rdrz)vIgnore air resistance, and assume the velocity of sound is 340 m/s.)

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wavelength in air of a 7;.h a:bf8blo;cumh1h.km 2rs yd1o1iv-ot k sound wave of frequency 500 Hz is

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sound traveling in a u4uol k3+3lxgir at $23 \; ^{\circ}C$ enters a cold front where the air temperature is $2 \; ^{\circ}C$. If the sound frequency is 1500 Hz, determine the wavelength in the warmer air and in the colder air.

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the intensity level of a sound with indlzzq4v05w .sk.- 0 v iebwph8tensity $10^{-3} \; W/m^{2}$?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the intensity of a 70-dB sound wass 6/yj2 d6)+bmdmxx19 yih?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the ratio of 9qdi 2g* p2gtgs/q5octhe intensities of two sounds with intensity levels of 70 dB and 40 ggct2 *9/5p qqi2gosddB?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity level by 15 engi;i6 k:cm6zu3-hww28p r dxu gb,o*p ufnes in a garage is 100 dB. What is the intensity level generate,h -mo b*u:;68urw2 zu6ckp gpdwxi 3fd by one engine?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity at a distance of 6.0 m from a source that is p/g 3;re.*z7hxim tzlradiating equally in all directii. e*hl;zzg/r3 x mtp7ons is
$6.0 \times 10^{-10} \; W/m^{2}$. What is the power emitted by the source?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity at a distance of 6.0 m from a sourkbe+(n3bpg wl 4i)y9g ce that is radiating equally in all directionsbe ig)3ly wnp+9 (bk4g is
$6.0 \times 10^{-10} \; W/m^{2}$. What is the intensity level in dB?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A barking dog delivers about 1 mW of p0 fmci ep6g3eohm84/ power, which is assumed to be uniformly distributed in all directions. Wf4g m cpe/moi86 0eph3hat is the intensity level at a distance 5.00 m from the dog?

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The intensity level is 65 dB at a dist;spp vv 4sj(,dance 5.00 m from a barking dog. What would be the intensity level if two identj;pdv 4ps(v,sical dogs very close to each other are barking?

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At a distance of 15 m frodpeg l(n33 mw*/+t atom a sound source the intensity level is 60 dB. What is the intensity level (int/3dntwe (3m+ opa l*g dB) at a point 2.0 m from the source? Assume that the source radiates equally in all directions.

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The sound intensity level 5.0 m from a point source ieh+ 2+t;q e(ghyt3t1n3l 3 ufe-rqigus 95 dB. At what distance will it t g (e3 e+2;ythu1u q3-tg3lrf qei+hnbe 75 dB?

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The third harmonic of a comp*ff /zrguya++ lex tone has a frequency of 1200 Hz. What is the frequency of the fog+u+ *yaf rfz/urth harmonic?

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of the third harmonic of an open pipe is 9;x 0m(i0ayhwat+h 3dlwpk2r500 Hz. What is the length ofkwlh;(+ d mi0yh2rt 05a pw3ax the pipe?

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lowest tone to resonate in an open pipe of la*ks+r lz .oi klb451kength L is 400 Hz. What is the frequency of the lowest tone that willko 4k1liba sl5+k zr*. resonate in an open pipe of length 2L?

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An organ pipe open at both ends t+ ,2 (- kwx6pinc*kok6nhp v9mirm*ohas a length of 0.80 m. If the velocity of sound in air is 340 m/s, wm -(, pxk6i2k*9hp6 oot knrimn+wv*chat is the frequency of the second harmonic?

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-m long pipe is in a room it1o6vdjna sv8q+a7. where the temperature is $20 \; ^{\circ}C$. What is the fundamental
frequency if the pipe is open at both ends?

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The fundamental frequency in a pipe closed at o 8+voe)-kkx nrne end is 330 Hz. What is the freqv ok)8xk+nre -uency of the third harmonic?

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the length of the shortest pipe closed on one yb5r u ;oza+b3h 3g6*zw8h g)oata :nfend that will have a fundamental frequency of 60 Hz on a day who 5bo6wur*;8 az3h)3zyhfatnbg:ag +en the velocity of sound is 340 m/s?

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-m long pipe is in a room where the temper w ch3w-nhuqqg t*os79p5b./xature is $20 \; ^{\circ}C$. What is the fundamental frequency if the pipe is closed at one end?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 3.00-m long pipe is in a room where the temperature is ka5fexg-1z y6$20 \; ^{\circ}C$. What is the frequency of the second harmonic if the pipe is closed at one end?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A closed organ pipe of leng*lv7f ew91qp 5masl( hth 0.75 m is played when the speed of sound in air is 340 m/s. What is the fundamental fre mv s(57wflqh1e p*la9quency?

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two pipes of the same length: one is open and the othe3 x,a rc)gu/vvu*+uqsr is closed on one end. If the fundamental frequency of the ope agv uxs u/v*3),cq+urn pipe is 300 Hz, what is the fundamental frequency of the closed pipe?

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two adjacent sources each emit a frequency of 800k28(t8etf2 c vq*4b czyjj7j p Hz in air where the velocity of sound is 340 m/s. How much farther back would source 1 have to be moved so an observer in frotyejbckj c7*8 4v8 ( zfj2tpq2nt of the sources would hear no sound?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two speakers are placed side by side and dztldz6o8 5 gl. ; 6qzlx+m*qeiriven by the same frequency of 500 Hz. If the distance from a person to one speaker is 5.00 m and the person detects little or no sound, which of the following is a possible the distance from the person to the other speaker? (The sound speed is 34x6l8qoz6lz l;*5dz.egmqit +0 m/s.)

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two tunes have frequencies of 440 Hz and 444 Hz. What is the beatt w8uk)+o2fq yb 26xvi:owjhr)rhr * 6 frequency?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A music tuner uses a 550-Hz tuning fork to tune the frequency of aei3.bpl(.h le3ne)j0fa8 d9hytn : b a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is the fr 3led:3a e ap(lj .bie nb.8ny9h0h)ftequency of the instrument?

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wavelengths of the so368tjeh ,(tjaui x,phunds produced by two horns are 6 m and 7 m respectively. What beat frequency is heard when the horns a 3 8xauthhp6tjie (,j,re sounded on a day when the velocity of sound is 340 m/s?

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The corresponding violin strings on two violins in an d60 5p13f fx(arzyb/ot ,b3dnpci j8forchestra are found to prod31 6/bpcfdaz(, o30 tdfpfb ir8xj5nyuce a beat frequency of 2 Hz when a frequency of 660 Hz is played. What percentage change in the tension of one of the strings would bring them to the same frequency?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An observer approaches a stationary 1000-Hz sdxwl(4do ebnj2 999jk ound source at twice the speed of sound. The observer hears a fr9kd9 (xnw9 ob4 je2jdlequency of

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound source (normal frequency of 10myzxm 0(em;-h s qwl1+00 Hz) approaches a stationary observer at one-half the speed of sound.;1s memywm+(hx 0q-l z The observer hears a frequency of

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sound has a frequency of 1000 Hz. *gnh8,-o,x7g zayztwzg*fj . If a listener moves with a speed of 30 m/s away from the source, what is the frequency heard by the observer? (The g*fnxj7ay z -g,t w*h8 .ozzg,sound speed is 340 m/s.)

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A police car has an 800-Hz siren. It9 s1fzjc8vp eege,z.+ is traveling at 35 m/s on a day when the speed of sound through air is 340 m/s. The car approaches and passes an observer who is standing along the roadside. What change of frequency does thee, g1.jsp+c98 zvezfe observer hear?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the frequency heard by a stationary observer when a train approaches pkorc + ptv4p :;xs,vf(w( 4af4k zd.pwith a speed of 30 m/s. The frequenc4p4+;dc(xskta 4 :.v( pzvforfk p,wpy of the train horn is 600 Hz and the speed of sound is 340 m/s.

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A train is traveling toward you at 120 kms-;nf0-cfwpnw *smyv5q /,x*dcu0v e/h. The train blows its 400-Hz whistle. sx/w uv-fenq n 0ycdm;*5*wp0sfc-,v Take the speed of sound to be 340 m/s. What frequency do you hear?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You are moving at 120 km/h toward a stationary train. The trai4e1opms1,mo--f j o0o .7arc vjzuit2 n blows its 400-Hz whsu0tv12,f jm 14i oje7-czr op -moa.oistle. Take the speed of sound to be 340 m/s. What frequency do you hear?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A train is traveling away from you at 120 km/h. The train blows its 400-Hz w1 ot*l/0rhzpdhistle. Take the speed ofpr*0th /dlzo 1 sound to be 340 m/s. What frequency do you hear?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A train is traveling away from you at 120 km/h. It blows its whistle, and yuv;d )t s1pq3b8zkj9 rou hear a tone of 400 Hz. Take the speed of sound to d8stk)v; p uqz1j 3rb9be 340 m/s. What is the actual frequency of the whistle?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of a train horn is 500 Hz. Assume the speed of sound in air isn lsva/ ojoc(*8e3u(j 340 m/s. What is the frequency heard by an observer if the observer is moving away from the train with a speed ofnjo/ e(83( osj*va cul 30.0 m/s?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The frequency of a train horn is 500 Hz. Assufevuw)c7z0f:9r 6 s -jxsxh /qme the speed of sound in air is 340 m/s. What is the frequency heard by anr-x7ch )x6sqswe u0 zfj/ :vf9 observer if the observer is approaching the train with a speed of 30.0 m/s?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sonar is used to determine the speete81bv62q7b z2m9fkhf 0n k 9xq3m sjtd of an object. A 40-kHz signal is sent out, and a 42-kHz signal is returned. Assume the speed of sound ist mv3kzes2t0mqfb 72qxj 699kn1hf 8 b 345 m/s. How fast is the object moving?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The half angle of the conical shock wave producess u6. ycf,(cixa. ha/d by a supersonic aircraft is $60^{\circ}$. What is the Mach number of the aircraft?

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A jet flies at a speed of Mach 1.4. What is the half-angle of the conical shock fk -muk k4d0;xwave fkmdx -k0fk4u; ormed?

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87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The Concord airplane flies from the Unitm2:ng tkl)xv 3k;sh .ved States to Europe with a Mach number of 1.05 v3 )x;slkkmgt. 2:hvnwhere the air temperature is $5.0 \; ^{\circ}C$. What is the speed of the plane?

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