96.26: If the speed of sound in air is 340 m/s, the length xp7ley2q 9jg6 of the organ pipe, open at both ends, that can resonate at tpqyjx9 egl672 he fundamental frequency of 136 Hz, would be:

  98.35: A pipe that is closed at one end and open at the other resonates at a fun*jc8)i)ura pc damental frequency of 240 Hz. The next lowest/highest frequency it resonates at is uiac p8)rc)*jmost nearly

  A natural horn (trumpet with no valves) is simie828qz*xyejnuv;y3b*b:kw e s p)ni9 lar to an pipe open at both ends. A musician plans to create a fundamental freque;xu8evb9*zw3 jns yqe ke )pi b8:yn*2ncy 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 op ;a0 4gidcex8 2ag*alfen at both ends. A musician plans to create a fundamental frequency of 256 H480;dgxl g*efaaic a2z (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 fcdeqi1p nqh s0;l5 23with 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 size 39 cm. T:z /sz oy p tcprmh16ml-22yx3d/p2ushe next highest resonance occurs with an air column of 65 cm. What is the frequency of the tunin/3/:6p1d p2hy xtm2- uzlszoy 2 cmsprg fork? Assume that the speed of sound is 343 m/s.

  08.27: A tube of lengt;c5df8) /.in7fjvtlkc z9mx 6c 1yxfeh $L_1$ 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 eov.k bwmq;)iar i-((jnd is 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 at its fundamental frequency, what frequency;( .mk(bi)-r aowvj qi 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 ) c 9ydnrzm1s2ycg.-iwhen 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 length of tcn 1mcdy i 9r2z-g)ys.he open tube? Assume room temperature

  14.21: A tuning fork placed over a y f 1f*xiw7)uh57 cm column of air closed only at its bottom end produces a standing wave inw1fx7if yu)*h 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 standinp:m3b 3lw.efa3z x2 ekg wave mode on a string fixed at both ends, adjacent antinodes are separatedmk3p33fa2 z:b .ewel x 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 represet c/d9rx*1iments 5 different standing sound waves set up inside of a set of organ pipes 1 mdc 1 eimrx*9/teter long.

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

  The diagram below represents 5p b 3-um)4mx i7znk)eq different standing sound waves set up inside of a set of organ pipes 1i-zxmue)) pn 7qk4 m3b 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 ovew,+;q p-y zbkc)6fggx r a tube open at both ends that is filled with air. As a result, a sta6b qpky;, cfg-gwx+)z nding 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 const))g*6xz l-yi2ednfk * kfnp 9tant frequency signal of 57.0 Hz in 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 tig-fykz6*2nfk d ) n elx)p9*the speakers?

  16.27: A tuning fork of frequency f is placed over a long tube closed at on m9df :ur6riu )qg5kry+9g sn6e end producing the third lowest frequency stanrfgdm 996u 6inq +rksyr)u:g5ding wave for the tube. What frequency tuning fork would be needed to produce the fourth lowest frequency standing wave?

  17.36: A scientist perfor sbzy,zvtwket wv1)g. 32 6, eojk/99radyp(s ms an experiment 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 of the line as m, which one of the following choices correctly identifies the speed of waves through the gas in the exper ryjyp1,o6/tztk(swwesgk.a b z39)v2e9v d,iment?