94.06: Which of the following statements about the speed of waves k x glhu6uugbt,1 ,i;tog*/j9(nknw , y6ps1mon a string are true?o,lbg ks nw9u,m1yu k;6gt*1nuj(/ h,p ixt6g
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/jc1 j: usok;v and length. String L has mass m and string H has mass 4m. If the speed waves in string L is v, the speed of wjus :/o1;k jcvaves in string H is

  07.44: A person vibrates the end of a string sending transverse waves down tll5; k0bmd.c.ydyu s .he string. If the person then dod5l. s. d u0.ymby;lckubles the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both end*y1w//w5e j vrbnk3 rlyf2v0ms, has its tension fixed. A wave generator vibrates t3mv k fwrry 2bv0eljw*5yn1//he string with 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 associated w)d98gr t/6lmas- pzxx ith a sound wave?

  95.04： A wave has a frequency of 50 Hz. The period of thiveln4 5 ;qs*ve wave is:

  04.04： A metal bar is vibrating x/ 0teg;ux:f6j3lt t 2wl5dzkwith a frequency of 200 Hz. The period of oscillation would b/dt2 ;l3 uztg0xek l56jfx w:te:

  01.38: The S-waves (transverse) and P-waves (longitud gqnbp1eey 2 cz09spozr-7 fc 7/(eu(kinal) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m//ku 71zfgnc(ye0zsp-7b q 92 pceroe(s, P-waves 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 frequency 3.0+*y0cz (z0bnvty ywx )q u ,l7;i6ucfq Hz is known to move at 6.0 m/s on a string. Which one of the following figures best represents what a one-meter section of the string could look like at a nxciyy y v,q0 f6w0 (ul;*q7tbc)+zzun instant of time?

  13.24: Which one of the following statements best describes Huygens’s Principjv bt(v-kmc7; *o7 eyrle?vy*v(- meb;7rk7tcjo

  02.07: The diagram shows two water pulses whpkpi7i-d, a* sy8ud )iich were originally produced at point A and are beginning tsi *k)p u8dp 7iad-i,yo be reflected from a wide barrier as shown. Which of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of sound is doubled, tavjc6rdwz8u rn7bb-8gg0 57rh j()o lhe wavelength:

  99.27: Assume that waves are propagating in a unifor0t7 uma5hg;b3) ezpk /xw 4 ttjmdsa0(m medium. If the frequency o t dh/gemz(k0utbs7ajpt5;4xa3 m 0 )wf the wave source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelengtzfa qzp(v*0n 9h is approximanav09 pqfz*z(tely

  The graph below was produce by a microphone in front of a tuning forkp50l8w t*by e1*yrft t. It shows the voltage produced from the microphone as a functiot*0 f58yb* et twly1rpn of time.


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

  The graph below was produce by a my-fg2 j:,eavdicrophone in front of a tuning fork. It shows the voltagv-eya,dg: f2j e
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 signal with a wajqr .im-4 fk o8lq99bovelength 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 ha4* -q miz kk-jns. t:-hl )kmt99xankes the form y = 3.0sin(2.5 x − 5.0 t) where all quantities given are in MKS units, x is position, and t represents time. What is the period of the wave (49 n k *tl.k)qtik maz9-m:kjsx n--hein seconds)?

  11.17: A new radio station broadcasts its sigm8ojzy 9sa rhy:;hm+9 nal with a wavelength of 3.40 m. At what frequency is this station broadcast8ay9y:sm9j+om z;h hring?