96.26: If the speed ofbwdo+cyjkb, cv g j025 +v5:i o.p;fcz sound in air is 340 m/s, the length of the organ pipe, open at b,cybojz5c ++pvfj 5o vkg; :w 2idb0.coth ends, that can resonate at the fundamental frequency of 136 Hz, would be:

  98.35: A pipe that is closed at one end and open at the other re4t22 (ip 88o mm3yvhmkyaxcu ;sonates at a fundamental frequency of 240 Hz. The next lowestmky;8x m 48h2(v iyp2cm3uoat/highest frequency it resonates at is most nearly

  A natural horn (trumpet with no valves) is similar to an pipe open at bo;yxen4iw7 3x t9p+ cg0 8o:vy5axrbmcth ends. A musician plans to create a fundamental frequency of 25c+c9xbamp wg7;53re0xtx4 ov yiny: 86 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) oq1 nz 8n*azyjy6k 1c4is similar to an pipe open at both ends. A musician plans to create a fundamenta8 ak4 yz1zjnoyc*6n q1l 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 bothk;sp,7yfte d ab35rv+.klif)g i/vi . ends with the air 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 n x.3(; lh;viykktac)size 39 cm. The next highest ) c.y3lka(tv;hxk i;nresonance 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 len*qfus5( osf6 ugth $L_1$ 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 vibratinm:os - u3c7qcqg in the 5th-harmonic from a tuninqccom u q7s3-:g 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 at the open end?

  11.43: A standing wave is created in an air-filled tube open a;i8h ali)f8pvke nn9)t both ends when a tuning fork of frequency 552 Hz is placed near one of the open ends. A tuning fork of frequency 644 Hz pra9))ipi8 ;8nkhne fv loduces the next highest harmonic for this tube. What is the length of the open tube? Assume room temperature

  14.21: A tuning fork placed oa:dlo d2flh7u;c 66zqver 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 fc 6a;d276 u ldoqlfhz:requency of the tuning fork?

  09.06: For a standing wave mode on a string fi 42jc+vjp8yzh xed at both ends, adjacent antinodes are separatej2ychj8v+z 4 pd 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 standing wave?

  The diagram below re ;ukd+2b vu9e mxba48bpresents 5 different standing sound waves set up inside of a set of organ piexbv2k m9b8 u;ua+db4pes 1 meter long.

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

  The diagram below represents 5 different stann3yyai2v*7eov 8 sr/g ding sound waves set up inside of a ysaie y*v 2gorn/ 378vset of 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 is placed ovhx.xhk3t7+na ykxz /,1zf)g xer a tube open at both ends that is filled with air. As a result, a standing wave in ) x7fyhh+kz,x z.n gxx/ t3k1athe $3^{rd}$-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 eac3(jz gc7s+zn wz;nnm 3h emit a constant frequency signal of 57.0 Hz in phase with each other. The zznms j+z;( cnnw7g3 3speed 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 one enal*p r7cp96/zb c5zpvd producing the third lowest frequency standing wave for the tube. What fr crpb/av9lczp7*5z6 pequency tuning fork would be needed to produce the fourth lowest frequency standing wave?

  17.36: A scientist performs an experiment in *1 9uk)e yh x1hywgv1owhich she determines the shortest length 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. Representing the slope of the line as m, which one of the following choices correctlvy )xw1yh9* o1 heg1uky identifies the speed of waves through the gas in the experiment?