96.26: If the speed zbz (ap8b io0 gey+49a ,rmb*dof sound in air is 340 m/s, the length of the organ pipe, open at both ends, that can resonate at the fundamental frequenc grb+d zz8a*ebaopmb4,i (y 90y of 136 Hz, would be:

  98.35: A pipe that is clos)l5u tl*y3kb oc8*npd ed at one end and open at the other resonates at a fundamental frequency of 240 Hz. T3*)lk 5 bnol cp*td8yuhe next lowest/highest frequency it resonates at is most nearly

  A natural horn (trumpet with no valve kf. k-joy bz06gy:g21hzsc(,ykgk t8s) is similar to an pipe open at both ends. A musician plans to create a fundamental frequency of 256 Hz (middle C) uso8ky0 2gky 6sz zg-ckh 1gbfj(: ty.,king 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 ti wx s;x0+8o;mfqk6xends. A musician plans to create a fundamental frequency of 256 Hz (middle C) 6xikqo0 ;fms+xw;x t8using 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 tha(zhiv7z l2vv+5g54u yxx2de e 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 ofh9lhc0 y3i34 bz*5g a)r (odrlatfdu+ size 39 cm. The next highest resonance occurs with an air coluclzlao(dt h dr9b3g34f* )r+h a5y ui0mn 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 iu8 zwy1cp(v 5o4uzd2$L_1$ 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 vibrati: x1:hds bbk(xqt1 j7vng in the 5th-harmonic from a tuning fork of frequency 120 Hz placed at the o bjb(: qt1dxkhx:s7v1pen 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 cry ;v1;c-n t sv2vguwp*eated in an air-filled tube open at both ends when a tuning fork of frequency 552 Hz is placed near one of the open ends. A tuniv s2cvnpyu-g;1wt; v*ng fork 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 over a 57 cm column of air closed only a nf* h)8hgzs3 hv6xe*tt its bottom end producesehtg* )36 h8*hxsnzvf a standing wave in 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 standing wave-/kn*/sz9 qofuio l ,d mode on a string fixed at both ends, adjacent antinodes are separated by a distance of 20 cm. Wn-zu9/l ifq,so d/* koaves 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 different standing sounduqesd.e1pxs3(x ylod 1 j,+2p waves set up inside of oupqd2x s sle1+x3(j1,d p.eya set of organ pipes 1 meter long.

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

  The diagram below represents 5 dif9r7dflwu8 a1h ;mmdird:g92o ferent standing sound waves set up inside of a set of organ gu1 :fa7wdd8;9rm9 hdirom2l 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 0h/nv8n p.bdoo 3ffxzu .rdp +6bsk5;filled with air. ok fvd3;0xn8bo6d /u5sprbn+. . phzfAs 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 p5j;i-c f.mxw4cdfe8 a constant 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 ac;-d 5pwm4j.xif8 cefre there on the line between the speakers?

  16.27: A tuning fork of frequency f is pla/bj iadk+m9bfxl ,0a02 k ilz(ma/ 8ffced over a long tube closed at one end producing the third lowest frequency standing wave for the tube. What frequency tuning fork wouk9 bi0+kmx/fl fifzajda ( 0la8m2 ,/bld be needed to produce the fourth lowest frequency standing wave?

  17.36: A scientist performs an experbej8 gb* di98kiment 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 speedib 8bjdk89g*e of waves through the gas in the experiment?