96.26: If the speed of soundv el o0w89(a8uvzcf 5f in air is 340 m/s, the length of the organ pipe, open at both ends, that can resonate at the fundamental frequency of 136 Hveo c9alu50(fw8zv 8 fz, would be:

  98.35: A pipe that is closed at 6wc*26 lg dz)k w8qywcone end and open at the other resonates at a fundamental frequency of 240 Hz. The next lowest/highest frequency it resonates at is most nezc8 *6lq)6kgwcd2 ywwarly

  A natural horn (trumpet with n/i nzr** +kvyzo valves) is similar to an pipe open at both ends. A musician plans to creat v i*kz+yrzn/*e 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) is similar to an pipe2/ui-z 1/,abooeoqxe open at both ends. A musician plans to create a oeqooi,xa-2/ b eu/z1fundamental 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 both ends with the ae caiac 0mpciu98 9+j.ir oscillating 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 of size qa2ow(ht r :js e,-e3gcac/)g39 cm. The next highest resonance occurs with an air column of 65 cm. What is the frequency of thea3ccjh r) eqats:w2( g,o/eg- tuning fork? Assume that the speed of sound is 343 m/s.

  08.27: A tube of lenxoe1juh6k l +oqh7h66w(y5yfa2k, scgth $L_1$ 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 vlicl2y /jm*fnr, 5 .2kgtu( yis vibrating 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 ltfy (rnij2mvy ku c/ 2*,gl.5at its fundamental frequency, what frequency tuning fork would be needed at the open end?

  11.43: A standing wave is created in an air-filled tube)*l7w j:kti4r./rzx oscm w 8j open at both ends when a tuning fork of frequency 552 Hz is placed near one of the open ends. A tuning fork of frequency 64jw )r i /tzm7cksx*8ow4.lr j:4 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 column of air closeqw) i898 uxh+qf 5khhvd only at its bottom end produces a standing wave in the 3rd harmo)8fuvhx 98+i 5 hhwqqknic. 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 stridnewc)6:abwr2).f n , wf+hs ung fixed at both ends, adjacent antinodes are separated by a distance of 20 cm. Wave nf6 ,dw.2e rwbn))h:fsc+uwas travel on this string at a speed of 1200 cm/s. At what frequency is the string vibrated to produce this standing wave?

  The diagram below represents 5 differes *v q:b8jog*pnt standing sound waves set up inside of a set of organ objgs: q**p8vpipes 1 meter long.

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

  The diagram below represents 5 different standing sound waves set up ins/aoli/h ex cib /y9-n6g23dttide of a set of /cbg6ti/xy2n93o /lda-eiht organ pipes 1 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 7km u:nt;k7 se. ctdv8is placed over a tube open at both ends that is filled with air. As a ; mvs8 7.t:dnk tuc7ekresult, 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 speaxru2-q tin2) utfy8ae- /g w(sbe qz+/kers separated by 30.0 m each emit a constant frequency signal of 57.0 Hz in phase with each other. The speed of sound is 342 m/s. How /- asfq (e+bxn2 / gur-ue8i)2qtt zwymany 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 nlel7 qzx4h9- 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 st qllzh9- n74exanding wave?

  17.36: A scientist performs an experimenbe (l; 9f*y8g;ha.czg kqeds-t in which she determines the shortest length of a gas column needed to create resonance for a vibrating tuning fork *f9k; l hy;8(sedq. ca-zg egbover 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?