96.26: If the speed of sound in air is 34i8+l 0qj6l ixm (tp;n 5fyc0jiwe;zj90 m/s, the length of the organ pipe, open at both ends, that can resonate ;+eyt zj;ii0xp l5wc6q(jflj n98 0im at the fundamental frequency of 136 Hz, would be:

  98.35: A pipe that is closed at one e0y; vwgv; mfc0nd and open at the other resonates at a fundgvf m; 0c;0ywvamental frequency of 240 Hz. The next lowest/highest frequency it resonates at is most nearly

  A natural horn (trumpet with no valves) is similar f4 z19-yqcn6, 8hqs;zp rovqm to an pipe open at both ends. A musician plans to create a fundamental frequmq,rhs c1qfnq z96z y op;-v48ency 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 similarr u3/wgnch ve5l5v,(9e iwk (r to an pipe open at both ends. A musician plans to create a fundamental frei 9n3r/v(elg 5uv wwrch,ke(5quency 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 air oscilf,htv3t53 h thlating in the $4^{th}$- harmonic. How many displacement nodes are located within the tube?

  07.24: A resonance occurs with a tuning fork an6s9 ik c2vgd5ld an air column of size 39 cm. The next highest resonance occurs with an air columdc9svli2 6gk 5n 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 len(a)grr 7y fkkg/j:pp,gth $L_1$ 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 512 j) lfbw1+/st yprlwj;z -t-z/xwh. 7ax ytlth-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 fork would be needed jtljl;w z//1-ap y7rw1ytbhsx+x2 tz . wl-)fat the open end?

  11.43: A standing wave is created in an air-filled tube on*2trn9 vliqn*p5s pq9*e0c lpen at both ends when a tuning fork of frequency 552 Hz is placed near one of the open ends. A tuning forneln p 9r2*v5*tnicq p0s9*lqk 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 t8k8zpx3c+xuwem4zn*h p4d ,over a 57 cm column of air closed only at its bottom end 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 w*hn3,pctx 8xpd4zzm ku8 +e4fork?

  09.06: For a standing wave mode on a string fh,g1+v*wdgkjo w-8hgg rz9r:ixed 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 standowz gv, +g8dkghwj*rhr-19 g :ing wave?

  The diagram below represl7 wxfs40m+k r * fplolvp 53,iki-sn5ents 5 different standing sound waves set up inside of a set s 30*sf7pnv5lx k4wi 5ki-+f, lmprloof organ pipes 1 meter long.

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

  The diagram below represents 5v6w3ra) fmrf4 different standing sound waves set up inside of a set of organ p)43awv 6rrf fmipes 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 is placed over a tube open at both ends that is filzt zg 0m:r+ .:hr(hux3 i8tnyrled with air. Art:t8 0 ihz:hr3.+(zmny rugx s 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 each emit a cuie)qigt h0y-/fo 5, tonstant frequency signal of 57.0 Hz in phase with each other. The sp/ot5ef0h , g-)iyuiqteed 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 overyqvq6pu7so08u 5m. (qsj ;p rz a long tube closed at one end producing the third lowest frequency standing wave for 7(z vqj 6s m5rqoqs08;.uppuythe tube. What frequency tuning fork would be needed to produce the fourth lowest frequency standing wave?

  17.36: A scientist performs an experiment in which she determines the shortest ji2v ;ac* bg8i3fs1twlength of a gas column needed 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. Representi vg if3t1; 8sb*ja2wcing 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?