94.06: Which of the following statements about the speed of wavesr (gl rz6wkfvb1qig8g9z7 6o) on a string are lb ggr r8fw)66g 9qvz(o1iz7ktrue?
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 tens(),bdb ew0 fkrion and length. String L has mass m and string H has mass 4m. If the speed waves in strinbkrfd)(0 ,ew bg L is v, the speed of waves in string H is

  07.44: A person vibrates the end of a stji gw 3b7-ke13(rv;mhej h pq0ring sending transverse waves down the string. If the person then doubles the rate at which he vibra1w 0jiv7g b(epq- hhe;3mj3krtes the string, the speed of the waves

  11.23: A string, clamped at both )b)rvlrhwq8);c qar e zw5-h,y8n3we ends, has its tension fixed. A wave generator vibrates the string with a f))wvyechqb5- )anewlr h38q8r w ;,zrrequency $f$ 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 assocugg 1nssm)-0a qpjn23 5 ioe);s4clk oiated with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The dg-t +rj9 +y fke56irt,uud7operiod of the wave is:

  04.04： A metal bar is vibrating with a frequency of 20, y5gy3yv9 .scp;s3:8qoh jekv au1jd0 Hz. The period of oscillation would bed83q5 g:y y kjho3,19pva ;s jyvsuce.:

  01.38: The S-waves (transverse) and:-q6 vcz2zz;n3;c d ,cniu hhm P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-waves travel at nearly 7000 m/s, how far away must an earthquake be for the P-waves to arriv,- hzzc;c6c:;nv z3qu nd mih2e 2 minutes before the S-waves?

  17.07: A traveling sine wave of frequency 3.0 Hz is known td lib6s st3( ee,g3mj;o 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 likesd j3g ebe s;l6im3t(, at an instant of time?

  13.24: Which one of tv3u/ m9wzn-u uhe following statements best describes Huygens’s Principle?nu/zmu w u3-v9

  02.07: The diagram shows two water pulses which were originally produced wd +1,r/sexm vat point A and are beginning to be reflected from a wide barrier as shv srdw+e1/xm,own. Which of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of- mk wvs905jkc sound is doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform medevpo e- m(p2a o6h*j)yium. If the frequency of the wavya6 pv ()*jeomp2 eh-oe source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its waveldvpnx5: t ;fxh- 0zr) a)3cgsmength is approximateld xpz cvth03 )s )gn-x:;fa5mry

  The graph below was produce by a m98 hqt.))fjer8avl bgo 4sj 2uicrophone in front of a tuning fork. It shows the voltage produced from the microphone as a f94js)r. t h88qofav2 ulj)gb eunction of time.


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

  The graph below was produce by a microphone in frontn9 h2bwmb,q9yw1 n1 ty9j 5vc0ilar4t of a tuning fork. It shows thjrtvhlqnb0aic b29 ,y1nmw49 y9w 15te voltage
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 wi jm,3y/3wha ceth 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 nnsrdave1 ,fr., ), ufhas 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 rvdrsannfef.,), 1 ,u period of the wave (in seconds)?

  11.17: A new radio station broatx+b6 d9pvt.g dcasts its signal with a wavelength of 3.40 m. At what freque+d9vxg.tp tb6ncy is this station broadcasting?