96.26: If the speed of sound in air is 340 m/s, the lengthej(*ukyew/ wm 2vp.gmsf-pw- 6 ip3c 8 of the organ pipe, open at both ends, that can resonate at tu w8-.vw2w3s m/kp* c i-p6 gfymjp(eehe fundamental frequency of 136 Hz, would be:

  98.35: A pipe that is closed at one end and open at the other resoob f)1wv+8x kjnates at a fundamental frequency of 240 Hz. The next lowest/highest frequency it resonates at is most nw 18jxobk) +fvearly

  A natural horn (trumpet with no valves) is similar to an pipe open at8bb4m8y,jtm/1 ifcu t both ends. A musician py8/c bbf1ut m8t4im,jlans 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 with no valves) ahvtti(64 vcw8ty6)nw8 do z: is similar to an pipe open at both ends. A musician plans to c 866ty: z)ctitohn d w4va(v8wreate a fundamental frequency of 256 Hz (middle C) using the horn
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 :i2n/l0 koost2i pws. both ends with the air oscillating in the $4^{th}$- harmonic. How many displacement nodes are located within the tube?

  07.24: A resonance occurs jcy4i81l 9v0 h+5(vehf9dg( tsusx su with a tuning fork and an air column of size 39 cm. The nex dgs 958x0j t 4hhul(iecsvuy1vfs(+9t highest resonance occurs with an air column of 65 cm. What is the frequency of the tuning fork? Assume that the speed of sound is 343 m/s.

  08.27: A tube of lengthape6 jr*2riiou74vqe+a f4x6)v0 c qf $L_1$ 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 vibrating in the 5th-harmonic fro8fl555k:a wfw,k8 g xtmsd 9uc4gl:oim a tuning fork of frequency 120 Hz placed at the open end. If this tube of air were to vibrate at its fundamental frequency, what frequency tuning fork would 8lx8fk:u4t5gk caw g di msf5: 9,owl5be needed at the open end?

  11.43: A standing wave is created in an air-filled tube open at both e 5( nga1cfrh4tr-qmmo- p1* vpnds when 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 tube? Assume room temh omtr(1r1 *maf5 4q c-vpp-ngperature

  14.21: A tuning fork placed over a 57 cm co/ 95oh cv/ dk17ap1mh0ubl qrklumn of air closed only at its bottom e cq5b/ mlk7v 1 /9ao0rhdp1hkund produces a standing wave in the 3rd harmonic. The speed of sound in air is 342 m/s. What is the frequency of the tuning fork?

  09.06: For a standing wave mode kpk t+c k)fik)dv+9e/on a string fixed at both ends, adjacent antinodes are separated by a distance of 20 cm. Waves travel on this string at a speed of 1200 cm/s. At what frequency is the string vibrated to produce this sv9 k)ke++kpftdkc/) itanding wave?

  The diagram below represents 5 diffl ayh)1xn+i;serent standing sound waves set up inside of a set ofsn+y)1h ;ix la organ pipes 1 meter long.

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

  The diagram below represents 5 different s/kgf- gqaiog)(rp :o6k;lh 4c tanding sound waves set up inside of a set of organ pipes 1 mpa r;oqc hgkf)l 6:ik-4g(go/eter 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 bothl6oti exg(n)0 ends that is filled with air. As a result, a standing wave ine l6o)n(tx0ig 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 each emit a constant frequenc. kgp/hhml o l;m-,k+ey signal of 57.0 Hz in phase with each +hm.pe,-o/l kh;kg lmother. 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 over a long tube closed at onedl2q /m1z ihq/ end producing the third lowest frequency standing wave for the tube. What frequency tuning fork would be needed /q m i1q2hdzl/to produce the fourth lowest frequency standing wave?

  17.36: A scientist performs an experimenamar5bo,,gtm1to0bhs,5)y.nd m -jeny f+z.t in which she determines the shortest length of a gas column needed to create resonance for a vibrating tuning fork over a tube closed at onjn5rs-n ,+ayo e.t1,,.h mgazbf5bd0 mmot )ye 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?