96.26: If the speed of sound in /l1e n cirxulmuqi2 )f0q4 hd-(ma/d-xi3 s9 lair is 340 m/s, the length of the organ pipe, open at both ends, that can resonate at the fundamental frequency(u r2/da9mc -il-sh4 3diqiqf 0lx1ln uex)/m of 136 Hz, would be:

  98.35: A pipe that is clos:4: udiu q8qtk fkt07ced at one end and open at the other resonates at a fundamental frequency of 240 Hz. The next lowest/t4dikk:ut:fc0uq 87q highest frequency it resonates at is most nearly

  A natural horn (trumpet with no valves) is similar to av7:mfzp.y+nt3.k)(:xp2 sm a em jtco n pipe open at both ends. A musician plan :k7v3:2 pnmy.+)zpo t.tmajxe(fm scs to create a fundamental frequency of 256 Hz (middle C) using the horn.
00.33: If sound travels at 350 m/s, what must be the length of this horn?

  A natural horn (trumpet withyj htcx5cc: sk-;f qp 5e5tza4 j812wa:fps y3 no valves) is similar to an pipe open at both ends. A musician plans to create a fundamental frequency of 256 Hz (middle C) using the 4 h5ty;a wcszsf:qpa c8k 5j2-jy:3 ctepf1 x5horn
00.34: A talented musician can produce a number of overtones on this natural horn, What would be the frequency of the fourth overtone produced when the musician is playing a middle C fundamental?

  05.09: A tube is open at both ends with the air oscillating vawh 3.(jj5o4h8kyhh5b ob8f82an qyin the $4^{th}$- harmonic. How many displacement nodes are located within the tube?

  07.24: A resonance occurs if,puxltp ) )dl25jgxs4q8.kwith a tuning fork and an air column of size 39 cm. The next highest resonance occurs with an air column of 65 cm. Wha.g ts4uifl8p)5p x,kx2 qdl)j t is the frequency of the tuning fork? Assume that the speed of sound is 343 m/s.

  08.27: A tube of length u;o9pge*dpbq 3d (jxf yn l2+9$L_1$ is open at both ends. A second tube of length $L_2$ is closed at one end and open at the other end. This second tube resonates at the same fundamental frequency as the first tube. What is the value of $L_2$ ?

  10.17: A tube of air open at only one end is vibrati)lyod-: lm)m xf+ezb3ng in the 5th-harmonic from a tuning fork of frequency 120 Hz placed at the open end. If this tube of air were to vibrate at its fundamenm +b)lfm y exlzd-3)o:tal frequency, what frequency tuning fork would be needed at the open end?

  11.43: A standing wave is created in an air-filled tube open at both ends when j kcsp9w-.bda:ka,+i a tuning fork of frequency 552 Hz is placed near one of the open ends. A tuning fork of frequency 644 Hz produces the next highest harmonic for this tube. What is the length of the open tubew.,cp-:a +dskaj9b k i? Assume room temperature

  14.21: A tuning fork placed over a 57 cm column of air c)nj03mfv 5mhbg d 30og7s nz6dlosed only at its bottom end produces a standing wave in the 3rd harmonic. The speed of sound in air is7o3 6 d5 mgzmv0dn)hsb gnf0j3 342 m/s. What is the frequency of the tuning fork?

  09.06: For a standing wav lnrz9 t2viw,(e mode on a string fixed at both ends, adjacent antinodes are separated by a distance of 20 cm. Waves travel on this string atlivt,n2 9(zrw a speed of 1200 cm/s. At what frequency is the string vibrated to produce this standing wave?

  The diagram below represents 5 different standing sound waves set up inside of7ex 2 bb a(z p:fasaekr.*:2 )tkyf.sy a set o a2z(2y:k*pss. b :7a) rfet.k xbeafyf organ pipes 1 meter long.

01.25: What is the length of the longest wavelength shown?

  The diagram below represents 5 differenvhr8 stb z;0k.t standing sound waves set up inside of a set of organ pipes 1 bh0 zt. sr8kv;meter long.


01.26: Which organ pipe shows a standing wave which has twice the frequency of one of the other
waves shown?

  
Similary AP pastpaper question: Which of the following statements correctly relates the frequencies of
the organ pipes shown? Select two answers.

  15.18: A 680 Hz tuning fork is placed over a tube open at both ends thaf:yx+ ./ kff./y u5ie s7t(d66dda/d lurcblet is filledle+fy7/ /f56:u dufy aed.di bcd6/x(sl t kr. with air. As a result, a standing wave in the $3^{rd}$-harmonic is produced. The speed of sound in air is 340 m/s. What is the length of the tube?

  15.33: Two spherical speakers separated by 30.0 m a x(,4jbwm*ho each emit a constant frequency signal of 57.0 Hz in phase with,h w(mbxj *4ao each other. The speed of sound is 342 m/s. How many locations of complete destructive interference of the incoming signals are there on the line between the speakers?

  16.27: A tuning fork of frequency f is placed bj7l,v1h(v4 n0jmc8 7b t tgvfover a long tube closed at one end producing the third lowest frequency standing wave for the tube. What frequency tuning fork would bng 01t(hv 78cjj7b 4lv,fmbtve needed to produce the fourth lowest frequency standing wave?

  17.36: A scientist performs an experiment in which she determiixn+l d- 210 ig)p+np4 tvjmeanes the shortest length of a gas column endivam jg+)20x- l1+t p 4pnineeded to create resonance for a vibrating tuning fork over a tube closed at one end. She plots the gas column length against the inverse of the frequency for a set of tuning forks and finds that she has a straight line fit through the data. Representing the slope of the line as m, which one of the following choices correctly identifies the speed of waves through the gas in the experiment?