96.26: If the speed kou l4p5e+)bbd f 5y0hu54f czof sound in air is 340 m/s, the length of the organ pipe, open at both ends, that can resopdhu45 kz f 4ub0o5f+y5lbce)nate at the fundamental frequency of 136 Hz, would be:

  98.35: A pipe that is closed at one end and open at the other r+x fx i9bk4t/iesonates at a fundamental frequency of 240 Hz. The next lowest/highest freqk/t i9x 4xb+fiuency it resonates at is most nearly

  A natural horn (trumpet with no valves) is similar to an pipe ope x48rc(m w:uidn at both ends. A music8 (:xd4cumi rwian plans 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 npkll3oo -g .m*o valves) is similar to an pipe open at both ends. A musician plans to create a fundamental frequency of 256 Hz (middle C) using top mg* .k3-lolhe 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 both ends with the air oscillathcrn-aad0dl 1213 yjz ing in the $4^{th}$- harmonic. How many displacement nodes are located within the tube?

  07.24: A resonance occurs with a tuning fork and an air column 5.uc *zrhp*jo*-b eea of size 39 cm. The next highest resonance occurs with an air column of 65 cm. What is the frequency of the tun. ez*eajboch5* -rup* ing fork? Assume that the speed of sound is 343 m/s.

  08.27: A tube of length bh p)c5ul. lq4$L_1$ 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 + 94xjjb qk(uq5th-harmonic from 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 fo9j +qj(4bxqu krk would be needed at the open end?

  11.43: A standing wave is created in a, qy-g971g0epkt j fg3)trj khn air-filled tube open at both ends when a tuning fogjj)th 71k q-g0gkr,ey p f9t3rk 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 temperature

  14.21: A tuning fork placed over a 57 cm colykobq2 0;o. 9uarja ;uumn of air closed only at its bottom end producej;oauy .9ur20;kqo bas 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 on a string fixed at both ends, adpm5c52az ady) jacent antinodes are separated by a distance of 20 cm. Waves travel on 525 aacdpmz )ythis string at a speed of 1200 cm/s. At what frequency is the string vibrated to produce this standing wave?

  The diagram below repres 8i7jxwkql.kj3( t/*cs1zcf lents 5 different standing sound waves set up inside of a set of organ fxl 7kli1(csk/t z .q3*j jw8cpipes 1 meter long.

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

  The diagram below represents 5 dign: i9026k rog pmd82 z yf+*yvngat7xfferent standing sound waves set up inside of a set of organ pipes 1 meter lonfynmgi* :a7v2yopxgrk2g t+8 zn d609g.


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 thatgb 8 l1jdn.u5o is filled with air. As a result, a standing wave in jou.nld5g1 8bthe $3^{rd}$-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 c6rwe)83wbl r2p. kj gkonstant frequency signal of 57.0 Hz i) rwkkp .3rw68gbje2ln phase with 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 frkt64m80 on 6 g:hnxsfj5w1cb qequency f is placed over a long tube closed at one end producing the third lowest frequency standing wave for the tube. What frequency tuning fork would be needed to produce the fourth lowest frequency xw86cos j1bm4g t06knqnf5:h standing wave?

  17.36: A scientist performs an experi)l2s zsojit)5/ *2t kt7yisaxew8k *yment in which she determines the shortest length of a gas column needed to create resonatt*a)j silkwy sy )it 257/z8oes2xk*nce 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?