94.06: Which of the followi:q2k:ux s2ebxt 0m*fm ng statements about the speed of waves on a string are tr02tmm2bes f: ku:* xxque?
I. The speed depends on the tension in the string.
II. The speed depends on the frequency.
III. The speed depends on the mass per unit length of the string.

  97.23: String L and string H have the same tension and length. Scb8lrfte n6 q:/6/ q 4raunhl3tring L has mass m and s68uc64nf3 q l/rbh:etl/qan rtring H has mass 4m. If the speed waves in string L is v, the speed of waves in string H is

  07.44: A person vibrat hlz9g;qz)9i/3g mk nfes the end of a string sending transverse waves down the string. If the person then doubles the rate at which he 9qzifkn)mz; 9hg3 gl/ vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, has its tension fixed. A wave genua8,qhb,na9 ..kwqat,w.v ah) xe+py erator vibrates the string withx, e . ,t9hanqyqk)wbaa +.8,wuph.va a frequency $f$ producing waves of wavelength $\lambda$ which have speed v. The frequency of the wave generator now is doubled to $2f$. Which one of the following choices best describes the new values of the wavelength of waves produced and the speed of the waves on the string？

  95.01： Which is not associacld l 5p(p*fb/p6n/hbted with a sound wave?

  95.04： A wave has a frequency of 50 Hz. Thxu0ed hh7.b 6ze period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. The period of os0k0 vj+ycpug+p;o i 7lcillation wo07pyvkoj ++0lcpi u g;uld be:

  01.38: The S-waves (transverse) and P-waves (longitudinal) produced x2 hv3 0iu 5rac92kbylvq;(a7x0gwbp by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-wa;a73 0qrak(22cgxuv0bipv 5bh 9 ylwxves travel at nearly 7000 m/s, how far away must an earthquake be for the P-waves to arrive 2 minutes before the S-waves?

  17.07: A traveling sine wave of fre2jz. n m-jk6 hp7f6dnwquency 3.0 Hz is known to move at 6.0 m/s on a string. Whichnnjj mfd6-wpkz7. h62 one of the following figures best represents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements best descril 1kswqot*n8b d/ ,xcy92 gm4hbes Huygens’s Principle?,2b wknsoxdtqgy 91 *clm /8h4

  02.07: The diagram shows two water pulses which were orir 2r(9b*iqewv9xsps s8)hk b(ginally produced at point A and are beginning to be reflected from a wide barrier as shown. W8si prw s2rb)b(h*v9sxqke(9hich of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of sound is doubl-ag oma,3dfyb-f97 a;l bk:d ped, the wavelength:

  99.27: Assume that waves are prhuiwlopq o7ps* 2.56iopagating in a uniform medium. If the frequency o *.pp7loq uio5i26hwsf the wave source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. j9kclj24 4yp/5yb 28,hiwwoarfa5d pIts wavelength is approximate/fdcp hybarja82k yww5 lpoi4 ,j59 42ly

  The graph below was produce by a microphone in front of a tuning fork. I6wx 0,1wa;k2vqkgt/8 mpggqk t shows the voltage; 08qkq,/wkg gm26gk txvpaw 1 produced from the microphone as a function of time.


04.18: The frequency of the tuning fork is (approximately)

  The graph below was produce by a microphone in front of a tula mg)klm-/eu4ltp: f :,lok5 ning fork. It shows the voltage kfu e:ml45ltlp,m ):l ak -/og
produced from the microphone as a function of time.

04.19: In order to calculate the speed of sound from the graph, you would also need to know

  06.28: A radio signals ext33 h,q na,slgba+ ;d*zwwv48,i x with a wavelength of $1.2 × 10^{−4}\:m$ is sent to a distance asteroid, is reflected, and returns to Earth 72 hours and 48 minutes later. How far from Earth is the asteroid?

  08.46: A traveling wave has the form y = 3.0sin(2.5 x − 5.00,6mg( f ejozn t) where all quantities given are in MKS units, x is position, and t repre e0fm(n, ozj6gsents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcasts its signal with a wavel7t1flhv1y;ux/ h2b p kength of 3.40 m. At what frequencylb12tfx/;h uyhpkv 17 is this station broadcasting?