96.26: If the speed of sound in air is 340 m/s, ,y(5z6p a f x)ub0xqc;gf0it1 )xtv cdthe length of the organ pipe, open at both ends, that can resonate at z )dxqb( ci50,;xf1c tv 0t)g upyx6fathe fundamental frequency of 136 Hz, would be:

  98.35: A pipe that is cvfp1 /.r1qov0b(z cm ulosed at one end and open at the other resonates at a fundamental frequency of 240 Hz. The next lowest/highest frec 01ruv(o b qfmpz/.v1quency it resonates at is most nearly

  A natural horn (trumpet w040yo;iw rc 1 ygbrwd7ith no valves) is similar to an pipe open at both ends. A musici ;7r04byd ogww0ryci1an 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 no valves) is similar to an pipe open at both end - q7hw.,z8ndc2c b;bgp 9uwygs. A musician plans to create a fundamenta;b9cgc w- ynup78 2 dz,bwq.hgl 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 air oscillatingxmwe*gl wmxp9bn6,p :/3ey ;g in the $4^{th}$- harmonic. How many displacement nodes are located within the tube?

  07.24: A resonance occurs witfap x ko sc x:b2y-:q(:h.yl4nh a tuning fork and an air column of size 39 cm. The 4hs:any(ql x2po: kc f-y. b:xnext 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 length -ksv0sd*z8km$L_1$ 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 5thitn9a-ll 1 *pjgnj*1-k ziqvr9mc5d--harmonic from l1l*i ran-p-tq1 vd*c i59mj9jz -ng ka 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 at the open end?

  11.43: A standing wave is created in an air-filled tube open at both ends when.j0wo*h5eb(v1vn m xff,s 3fj 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 lw1f3njmob(j h*fsv5fv0x ,e. ength of the open tube? Assume room temperature

  14.21: A tuning fork placed over acj6j9+ f+hc c6d ok2/ay2/oiz2ioglb 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 frfl/ookc ib/2agc dzc2+y6j2o j +9 i6hequency of the tuning fork?

  09.06: For a standing wave mode on a string fixed at b pii4z+7.0)idutq pqoeq:j 5uoth ends, adjacent antinodes are separated by a distance of 20 cm. Waves td)4jqtqp0:oiq7i5 z+u up.ieravel 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 different standing sound w0x4oe .,qg vbtaves set up inside of a set of organ pipes 1 meter longgte vx .bq0,4o.

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

  The diagram below represents 5 differ41exxcy t )m7fent standing sound waves set up inside of a1yxc74 f) extm set 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 over a tube open at both ends that is fill2ur0 pt9zw(gvsj47 bc6nx*ojve gd) 6ed with air. As a resulr)xnv20e*g 4 9 cvup gjw6ztb6od(js7t, 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 spegv8h m4n xz9s,akers separated by 30.0 m each emit a constant frequency signal of 57.0 Hz in phase witnx,9 mg48hvzs h 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 j- lpsvp90r7il)) fym frequency f is placed over a long tube closed at one end producing the third lowest frequency standing wave for the tuy i)7-lpf0sp jlmv)9r be. What frequency tuning fork would be needed to produce the fourth lowest frequency standing wave?

  17.36: A scientist performs an exox*f9k ye 5dgk/.ykq ;periment 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 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 o x.q ;kye yogkf*k/9d5f the line as m, which one of the following choices correctly identifies the speed of waves through the gas in the experiment?